{
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      "occurred_at": "2026-11-07 02:47:41.709039+00",
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      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1b3e7-97f7-7a2d-a3e1-be36084c49e4"
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      "occurred_at": "2026-11-07 02:47:41.709039+00",
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      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1b3e7-97f7-72f1-adab-5c498c20c2c3"
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      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1b3e7-97f6-78cc-bd61-6125866b3983"
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    {
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      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1b3e7-97f4-7dd7-95cc-29839bb169b4"
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      "occurred_at": "2026-11-05 02:43:46.508426+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a997-4955-7ed8-b28b-cc79497aaea4"
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      "occurred_at": "2026-11-05 02:43:46.508426+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a997-4955-700b-b667-a2f1f7d0f487"
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    {
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      "occurred_at": "2026-11-05 02:43:46.508426+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a997-4954-7266-972c-0ae6dd777ce6"
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    {
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      "occurred_at": "2026-11-05 02:43:46.508426+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a997-4959-762f-afb1-8cee04f52b07"
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    {
      "id": "chg_01a1a997-4958-7006-b7b1-be028785a984",
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      "occurred_at": "2026-11-05 02:43:46.508426+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a997-4958-7006-b7b1-be028785a984"
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    {
      "id": "chg_01a1a470-31fe-75d1-a43c-7fdf7a30edc6",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:42:58.650389+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a470-31fe-75d1-a43c-7fdf7a30edc6"
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    {
      "id": "chg_01a1a470-31ff-7671-9184-c844d16f1562",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:42:58.650389+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a470-31ff-7671-9184-c844d16f1562"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:42:58.650389+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a470-31ff-7cb6-a741-3851d542f5aa"
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    {
      "id": "chg_01a1a470-31fd-76ff-9646-831aa3b5b47d",
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      "subject_kind": "tool",
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      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:42:58.650389+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a470-31fd-76ff-9646-831aa3b5b47d"
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    {
      "id": "chg_01a1a470-31fe-7e70-86fe-31af9a6fa633",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:42:58.650389+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1a470-31fe-7e70-86fe-31af9a6fa633"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:41:05.255219+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19f48-1c2e-7c87-9b94-b99afba5be9f"
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    {
      "id": "chg_01a19f48-1c20-7be5-a33b-a2bedb34ba86",
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      "family": "auth-oauth",
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      "subject": "auth-oauth",
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      "from_code": "auth.rfc9728_invoke",
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      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
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      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:41:05.255219+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19f48-1c20-7be5-a33b-a2bedb34ba86"
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    {
      "id": "chg_01a19f48-1c27-7b51-ae01-14c48d71c257",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.70",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
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      "detail": {
        "days": "22",
        "added": "4",
        "breaks": "0",
        "removed": "0",
        "auth_transport": "1"
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      "occurred_at": "2026-11-03 02:41:05.255219+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Stability (0.70 → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19f48-1c27-7b51-ae01-14c48d71c257"
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    {
      "id": "chg_01a19f48-1c29-7973-8c75-e7c3e8da7f05",
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      "materiality": "security",
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:41:05.255219+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19f48-1c29-7973-8c75-e7c3e8da7f05"
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    {
      "id": "chg_01a19f48-1c2a-7a91-a0e0-8a13447cb131",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:41:05.255219+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19f48-1c2a-7a91-a0e0-8a13447cb131"
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    {
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      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:41:05.255219+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19f48-1c2d-7e27-bb5b-b576eeb487d4"
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    {
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      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 02:41:05.255219+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19f48-1c2e-758c-8032-2ab4c2fd16d1"
    },
    {
      "id": "chg_01a19a23-5dc7-7129-bf8b-d2fe79b10ed0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 02:42:51.430951+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19a23-5dc7-7129-bf8b-d2fe79b10ed0"
    },
    {
      "id": "chg_01a19a23-5dc8-7678-9433-179a0e5f3d29",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 02:42:51.430951+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19a23-5dc8-7678-9433-179a0e5f3d29"
    },
    {
      "id": "chg_01a19a23-5dc8-7aa0-a602-6d11b3533cdf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 02:42:51.430951+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19a23-5dc8-7aa0-a602-6d11b3533cdf"
    },
    {
      "id": "chg_01a19a23-5dc8-7064-957c-9d94604b70ee",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 02:42:51.430951+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19a23-5dc8-7064-957c-9d94604b70ee"
    },
    {
      "id": "chg_01a19a23-5dc9-708d-a73d-bc94350318c0",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 02:42:51.430951+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a19a23-5dc9-708d-a73d-bc94350318c0"
    },
    {
      "id": "chg_01a194fc-c385-727d-839e-4e5349fd482b",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 02:42:35.45776+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a194fc-c385-727d-839e-4e5349fd482b"
    },
    {
      "id": "chg_01a194fc-c37e-794f-a9ff-3039bddf6bc0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 02:42:35.45776+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a194fc-c37e-794f-a9ff-3039bddf6bc0"
    },
    {
      "id": "chg_01a194fc-c382-76db-873b-552be0dba784",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 02:42:35.45776+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a194fc-c382-76db-873b-552be0dba784"
    },
    {
      "id": "chg_01a194fc-c384-713f-a64e-08d6bf4945a6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 02:42:35.45776+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a194fc-c384-713f-a64e-08d6bf4945a6"
    },
    {
      "id": "chg_01a194fc-c384-791d-8cb2-b111046d3cf4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 02:42:35.45776+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a194fc-c384-791d-8cb2-b111046d3cf4"
    },
    {
      "id": "chg_01a18fd6-2568-7bfe-8fc5-e8733d6c03fc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 02:42:18.475134+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18fd6-2568-7bfe-8fc5-e8733d6c03fc"
    },
    {
      "id": "chg_01a18fd6-256a-7661-be27-e2583b2ac91a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 02:42:18.475134+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18fd6-256a-7661-be27-e2583b2ac91a"
    },
    {
      "id": "chg_01a18fd6-256b-701a-a787-5e5f83cc0d91",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 02:42:18.475134+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18fd6-256b-701a-a787-5e5f83cc0d91"
    },
    {
      "id": "chg_01a18fd6-256b-7c5d-837b-f57c9bd29ea5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 02:42:18.475134+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18fd6-256b-7c5d-837b-f57c9bd29ea5"
    },
    {
      "id": "chg_01a18fd6-256c-7443-8e70-18a85fd728f1",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 02:42:18.475134+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18fd6-256c-7443-8e70-18a85fd728f1"
    },
    {
      "id": "chg_01a18aaf-90d7-78e8-9007-8d06c6d82934",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 02:42:03.883296+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18aaf-90d7-78e8-9007-8d06c6d82934"
    },
    {
      "id": "chg_01a18aaf-90cb-7866-9f2f-462fe3c39d24",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 02:42:03.883296+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18aaf-90cb-7866-9f2f-462fe3c39d24"
    },
    {
      "id": "chg_01a18aaf-90cf-77ff-a417-6b0caab3761f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 02:42:03.883296+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18aaf-90cf-77ff-a417-6b0caab3761f"
    },
    {
      "id": "chg_01a18aaf-90cf-7ddb-9f99-f9bd1d135b46",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 02:42:03.883296+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18aaf-90cf-7ddb-9f99-f9bd1d135b46"
    },
    {
      "id": "chg_01a18aaf-90d0-7416-8604-27ccd8baa397",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_entities"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 02:42:03.883296+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “compare_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18aaf-90d0-7416-8604-27ccd8baa397"
    },
    {
      "id": "chg_01a18aaf-90d1-782e-a959-997658f531de",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 02:42:03.883296+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a18aaf-90d1-782e-a959-997658f531de"
    },
    {
      "id": "chg_01a185c2-9a3b-7b77-a43d-b4319a739e50",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 03:44:45.335537+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a185c2-9a3b-7b77-a43d-b4319a739e50"
    },
    {
      "id": "chg_01a185c2-9a36-7b51-bcb3-c7b580a14350",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 03:44:45.335537+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a185c2-9a36-7b51-bcb3-c7b580a14350"
    },
    {
      "id": "chg_01a185c2-9a3e-7b05-96e2-429f59b51447",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 03:44:45.335537+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a185c2-9a3e-7b05-96e2-429f59b51447"
    },
    {
      "id": "chg_01a185c2-9a3f-7184-a100-6b80c173ba09",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 03:44:45.335537+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a185c2-9a3f-7184-a100-6b80c173ba09"
    },
    {
      "id": "chg_01a185c2-9a41-7031-92a2-ad0e6debdca9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "bet_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "bet_research"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 03:44:45.335537+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “bet_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a185c2-9a41-7031-92a2-ad0e6debdca9"
    },
    {
      "id": "chg_01a185c2-9a41-794e-b339-c445b2cbc6c8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 03:44:45.335537+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a185c2-9a41-794e-b339-c445b2cbc6c8"
    },
    {
      "id": "chg_01a185c2-9a41-7d2c-90e6-513a25938f09",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 03:44:45.335537+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a185c2-9a41-7d2c-90e6-513a25938f09"
    },
    {
      "id": "chg_01a1805f-125c-75cd-81f3-aefe2be118dd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 02:37:56.581353+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1805f-125c-75cd-81f3-aefe2be118dd"
    },
    {
      "id": "chg_01a1805f-1264-7cf1-b625-2f906ba05cdf",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 02:37:56.581353+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1805f-1264-7cf1-b625-2f906ba05cdf"
    },
    {
      "id": "chg_01a1805f-1262-7250-9cbd-e728410a516b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 02:37:56.581353+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1805f-1262-7250-9cbd-e728410a516b"
    },
    {
      "id": "chg_01a1805f-125f-7e63-82b6-b1f235752c79",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 02:37:56.581353+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1805f-125f-7e63-82b6-b1f235752c79"
    },
    {
      "id": "chg_01a1805f-125e-76bb-92c0-b6d8855fd490",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 02:37:56.581353+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1805f-125e-76bb-92c0-b6d8855fd490"
    },
    {
      "id": "chg_01a1805f-125e-7105-b099-cee32a011ab1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 02:37:56.581353+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a1805f-125e-7105-b099-cee32a011ab1"
    },
    {
      "id": "chg_01a17b39-e665-75be-9428-7aa202fb0196",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 02:39:14.412336+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17b39-e665-75be-9428-7aa202fb0196"
    },
    {
      "id": "chg_01a17b39-e665-7cac-8c1c-784befef8e6d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 02:39:14.412336+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17b39-e665-7cac-8c1c-784befef8e6d"
    },
    {
      "id": "chg_01a17b39-e666-7258-a8d7-d1a06b06756b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 02:39:14.412336+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17b39-e666-7258-a8d7-d1a06b06756b"
    },
    {
      "id": "chg_01a17b39-e666-76c6-ab9c-ec229747be64",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 02:39:14.412336+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17b39-e666-76c6-ab9c-ec229747be64"
    },
    {
      "id": "chg_01a17b39-e662-7e7c-9ea3-dec1ffb48f52",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.47",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "15",
        "added": "2",
        "breaks": "0",
        "removed": "0",
        "auth_transport": "1"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 02:39:14.412336+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Stability (0.47 → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17b39-e662-7e7c-9ea3-dec1ffb48f52"
    },
    {
      "id": "chg_01a17b39-e661-75a4-82b7-915d91168142",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 02:39:14.412336+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17b39-e661-75a4-82b7-915d91168142"
    },
    {
      "id": "chg_01a17b39-e664-7d4c-8c30-a4e0025b7f88",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 02:39:14.412336+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17b39-e664-7d4c-8c30-a4e0025b7f88"
    },
    {
      "id": "chg_01a17612-3a8a-78ed-906f-95aa9f1f656e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a8a-78ed-906f-95aa9f1f656e"
    },
    {
      "id": "chg_01a17612-3a83-7089-b714-befe78565079",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a83-7089-b714-befe78565079"
    },
    {
      "id": "chg_01a17612-3a84-73c3-abcb-58f41f70a1a5",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a84-73c3-abcb-58f41f70a1a5"
    },
    {
      "id": "chg_01a17612-3a88-7c6a-bc90-7afde927213d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a88-7c6a-bc90-7afde927213d"
    },
    {
      "id": "chg_01a17612-3a8c-7743-aa79-3ce4fbcefef6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a8c-7743-aa79-3ce4fbcefef6"
    },
    {
      "id": "chg_01a17612-3a8e-7c37-8d9e-4a4092746553",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "company_facts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "company_facts"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “company_facts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a8e-7c37-8d9e-4a4092746553"
    },
    {
      "id": "chg_01a17612-3a8f-775f-a0cb-8092136ec2e3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a8f-775f-a0cb-8092136ec2e3"
    },
    {
      "id": "chg_01a17612-3a91-7ab3-9a5d-716bedc99d4f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "entity_profile",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "entity_profile"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a91-7ab3-9a5d-716bedc99d4f"
    },
    {
      "id": "chg_01a17612-3a97-700f-94cf-1230b2e26a44",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_fill_risk",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_fill_risk"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “polymarket_fill_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a97-700f-94cf-1230b2e26a44"
    },
    {
      "id": "chg_01a17612-3a99-7cfd-8894-28b4c158e122",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolution_audit",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolution_audit"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “resolution_audit” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a99-7cfd-8894-28b4c158e122"
    },
    {
      "id": "chg_01a17612-3a9f-7477-87a3-f4f610cdac3c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolution_diff",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolution_diff"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “resolution_diff” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3a9f-7477-87a3-f4f610cdac3c"
    },
    {
      "id": "chg_01a17612-3aa1-71b4-8523-c28d93e7cef9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "subscribe",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "subscribe"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “subscribe” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3aa1-71b4-8523-c28d93e7cef9"
    },
    {
      "id": "chg_01a17612-3aa2-76d0-bd00-be37e3d44f13",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 02:37:48.480598+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a17612-3aa2-76d0-bd00-be37e3d44f13"
    },
    {
      "id": "chg_01a13319-ee5a-7a97-a18d-c53ec5e97aa9",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 02:31:39.81931+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a13319-ee5a-7a97-a18d-c53ec5e97aa9"
    },
    {
      "id": "chg_01a13319-ee5c-7585-a5c9-bd5971b56085",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 02:31:39.81931+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a13319-ee5c-7585-a5c9-bd5971b56085"
    },
    {
      "id": "chg_01a12db1-07e2-7ef0-93cd-957c043bc462",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 01:18:55.528504+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a12db1-07e2-7ef0-93cd-957c043bc462"
    },
    {
      "id": "chg_01a12db1-0837-7329-aff6-3338594369a9",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 01:18:55.528504+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a12db1-0837-7329-aff6-3338594369a9"
    },
    {
      "id": "chg_01a12db1-0839-7003-aca2-03c6c0fb3791",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
      "subject_child": "",
      "from_code": null,
      "to_code": "auth.registration_cimd",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 01:18:55.528504+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a12db1-0839-7003-aca2-03c6c0fb3791"
    },
    {
      "id": "chg_01a12db1-083f-7470-8caf-30bbb7584228",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "43",
        "judged": "43"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 01:18:55.528504+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-codex-contaminants/codex-contaminants-mcp#chg-chg_01a12db1-083f-7470-8caf-30bbb7584228"
    }
  ],
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      "date": "2026-11-07",
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      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
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    {
      "date": "2026-11-06",
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      "tracked": true,
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    {
      "date": "2026-11-05",
      "total": 84,
      "delta": 15,
      "tracked": true,
      "explained": true,
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      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-11-04",
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      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
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    {
      "date": "2026-11-03",
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      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-11-02",
      "total": 83,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-11-01",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
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    {
      "date": "2026-10-31",
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}