{
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      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc6e1-3ecc-72a2-b19f-e2b524eb9e2d"
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      "occurred_at": "2026-08-03 09:07:58.267403+00",
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      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
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      "observed_since": "2026-08-02",
      "source": "scan",
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      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc6e1-3ecb-7a49-b935-0f14a469b83e"
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    {
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      "occurred_at": "2026-08-03 09:07:58.267403+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc6e1-3ecb-7626-a5d8-5dce86592f40"
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    {
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      "occurred_at": "2026-08-03 09:07:58.267403+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc6e1-3eca-77df-bf31-a2c4461c05a0"
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    {
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      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc1be-42a0-7961-a3da-e78c21c3113d"
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    {
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      "occurred_at": "2026-08-02 09:11:39.392428+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc1be-42a1-76e6-a863-9626807fcf5f"
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    {
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      "subject_kind": "server",
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      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:11:39.392428+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc1be-42a2-763e-85b7-e71b414de12d"
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    {
      "id": "chg_019fc1be-42a2-71cf-911c-9708824ebdd9",
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      "subject_kind": "tool",
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      "occurred_at": "2026-08-02 09:11:39.392428+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc1be-42a2-71cf-911c-9708824ebdd9"
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    {
      "id": "chg_019fc1be-42a1-7c24-b949-015838b9d4ad",
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      "subject_kind": "tool",
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      "occurred_at": "2026-08-02 09:11:39.392428+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fc1be-42a1-7c24-b949-015838b9d4ad"
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    {
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      "detail": {
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      "occurred_at": "2026-08-01 09:22:12.743801+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fbca1-9097-7b4d-b0db-ed2d57168d81"
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    {
      "id": "chg_019fbca1-9098-7cab-949e-e2abd342d955",
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      "subject_kind": "tool",
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:12.743801+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fbca1-9098-7cab-949e-e2abd342d955"
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    {
      "id": "chg_019fbca1-9099-737a-9dae-84f7f3b96fbd",
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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": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:12.743801+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fbca1-9099-737a-9dae-84f7f3b96fbd"
    },
    {
      "id": "chg_019fbca1-9099-7987-885f-e9e83b0e2def",
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      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:12.743801+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fbca1-9099-7987-885f-e9e83b0e2def"
    },
    {
      "id": "chg_019fbca1-909a-741f-997a-682c420fa7e9",
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      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:12.743801+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019fbca1-909a-741f-997a-682c420fa7e9"
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    {
      "id": "chg_019faf49-636b-7d1e-a648-1dd9dc98d6a5",
      "kind": "check.reverified",
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      "subject_kind": "check",
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      "from_code": "auth.none_destructive_unverified",
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      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
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        "tool": "forget"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 19:10:50.201766+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019faf49-636b-7d1e-a648-1dd9dc98d6a5"
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    {
      "id": "chg_019faf49-636e-7d06-8c2c-ecf960bbcadd",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 19:10:50.201766+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019faf49-636e-7d06-8c2c-ecf960bbcadd"
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    {
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 19:10:50.201766+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019faf49-636e-7726-967f-43a602abdf5f"
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    {
      "id": "chg_019faf49-636d-7130-893d-4033944b5ad1",
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      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 19:10:50.201766+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019faf49-636d-7130-893d-4033944b5ad1"
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    {
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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": "2026-07-29",
      "occurred_at": "2026-07-29 19:10:50.201766+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019faf49-636f-7a08-a3cf-30775e50de89"
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    {
      "id": "chg_019faf49-636f-7edd-90b1-e44b87e8f14b",
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      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 19:10:50.201766+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019faf49-636f-7edd-90b1-e44b87e8f14b"
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    {
      "id": "chg_019faa57-38f2-7c65-b3ef-dcdd2ad7dece",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "to_value": null,
      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 20:07:50.758592+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019faa57-38f2-7c65-b3ef-dcdd2ad7dece"
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    {
      "id": "chg_019faa57-38f3-79c7-a77e-ffe65d64921e",
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      "family": "",
      "subject_kind": "server",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 20:07:50.758592+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-hathitrust/hathitrust-mcp#chg-chg_019faa57-38f3-79c7-a77e-ffe65d64921e"
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      "occurred_at": "2026-07-28 20:07:50.758592+00",
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      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
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      "occurred_at": "2026-07-28 20:07:50.758592+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
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      "occurred_at": "2026-07-28 20:07:50.758592+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
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