{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "arc-mcp-arc-1",
  "component": "arc-1",
  "generated_at": "2026-09-20T16:44:17.636Z",
  "tracking_since": "2026-07-27",
  "counts": {
    "critical": 0,
    "security": 28,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b162-b793-7588-9563-96ba450e212b",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 22:00:31.525184+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a0b162-b793-7588-9563-96ba450e212b"
    },
    {
      "id": "chg_01a0b162-b791-71b8-b92f-e0f6abc79c5c",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.97",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 22:00:31.525184+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Stability (0.97 → unverified)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a0b162-b791-71b8-b92f-e0f6abc79c5c"
    },
    {
      "id": "chg_01a0add3-0931-7444-8efa-b1cae851ad52",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 05:24:43.820447+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a0add3-0931-7444-8efa-b1cae851ad52"
    },
    {
      "id": "chg_01a089c3-d62f-7086-96fd-064e164732c1",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 05:21:47.85394+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a089c3-d62f-7086-96fd-064e164732c1"
    },
    {
      "id": "chg_01a0675b-3e54-7b52-9fbc-b65994b2e861",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 13:00:27.944945+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a0675b-3e54-7b52-9fbc-b65994b2e861"
    },
    {
      "id": "chg_01a0675b-3e52-77b9-8433-f97cd7ce0ed7",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.97",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 13:00:27.944945+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Stability (0.97 → unverified)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a0675b-3e52-77b9-8433-f97cd7ce0ed7"
    },
    {
      "id": "chg_01a065b4-bcb7-7b82-a1ea-3c4a217cf7f9",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 05:18:58.637738+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a065b4-bcb7-7b82-a1ea-3c4a217cf7f9"
    },
    {
      "id": "chg_01a05a0d-8ec6-7b2e-9db8-d7f4cfd22376",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 23:00:32.700595+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a05a0d-8ec6-7b2e-9db8-d7f4cfd22376"
    },
    {
      "id": "chg_01a05a0d-8ec5-7c88-b7c8-51f4b95b337f",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.87",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 23:00:32.700595+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Stability (0.87 → unverified)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a05a0d-8ec5-7c88-b7c8-51f4b95b337f"
    },
    {
      "id": "chg_01a05a0d-8ec7-727b-a4a6-2e939657591f",
      "kind": "check.verdict",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_found",
      "to_code": "supplychain.malware_clean",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 23:00:32.700595+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Malware scan (fail → pass)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a05a0d-8ec7-727b-a4a6-2e939657591f"
    },
    {
      "id": "chg_01a05a0d-8ec7-7957-b8b7-bbe66bb76783",
      "kind": "malware.resolved",
      "family": "supplychain-malware",
      "subject_kind": "advisory",
      "subject": "gptMalware",
      "subject_child": "",
      "from_code": "supplychain.malware_found",
      "to_code": "supplychain.malware_clean",
      "from_value": "high",
      "to_value": null,
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 23:00:32.700595+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Malware indicator (automated code analysis) cleared",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a05a0d-8ec7-7957-b8b7-bbe66bb76783"
    },
    {
      "id": "chg_01a01874-a124-7bf8-9fe9-ba3ff1320e67",
      "kind": "malware.identified",
      "family": "supplychain-malware",
      "subject_kind": "advisory",
      "subject": "gptMalware",
      "subject_child": "",
      "from_code": null,
      "to_code": "supplychain.malware_found",
      "from_value": null,
      "to_value": "high",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "severity": "high"
      },
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 05:18:11.635897+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Malware indicator (automated code analysis) (high)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a01874-a124-7bf8-9fe9-ba3ff1320e67"
    },
    {
      "id": "chg_01a01874-a125-71bb-be76-b56312ca3e70",
      "kind": "malware.resolved",
      "family": "supplychain-malware",
      "subject_kind": "advisory",
      "subject": "gptMalware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_found",
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 05:18:11.635897+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Malware indicator (automated code analysis) cleared",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a01874-a125-71bb-be76-b56312ca3e70"
    },
    {
      "id": "chg_01a01874-a123-7767-b339-f87f38688cff",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_found",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "refs": "[\"gptMalware:QaxGS1T39CTQQipmcWap5Ih3ufPizNaLFYJA5wVE8fAA\"]",
        "severity": "high"
      },
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 05:18:11.635897+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Malware scan (unverified → fail)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a01874-a123-7767-b339-f87f38688cff"
    },
    {
      "id": "chg_01a0147b-f8f4-73ab-aeae-f3cc78509abd",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_found",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_not_cached"
      },
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 10:47:44.072538+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Malware scan (fail → unverified)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_01a0147b-f8f4-73ab-aeae-f3cc78509abd"
    },
    {
      "id": "chg_019fdaa5-5400-7105-bec5-f799c53ddbea",
      "kind": "check.verdict",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.tree_partial",
      "to_code": "cve.none",
      "from_value": "partial",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "188",
        "assessed": "189",
        "resolved": "188",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 05:14:55.818696+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Known CVEs (partial → pass)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fdaa5-5400-7105-bec5-f799c53ddbea"
    },
    {
      "id": "chg_019fd05a-2b88-7165-b670-f08a3f129b30",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_failed",
      "to_code": "stability.insufficient_history",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 05:16:38.089876+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: not enough scan history yet (needs a 30-day window).)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fd05a-2b88-7165-b670-f08a3f129b30"
    },
    {
      "id": "chg_019fc8ff-b015-7702-987a-05112f0242b1",
      "kind": "malware.identified",
      "family": "supplychain-malware",
      "subject_kind": "advisory",
      "subject": "gptMalware",
      "subject_child": "",
      "from_code": null,
      "to_code": "supplychain.malware_found",
      "from_value": null,
      "to_value": "high",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "severity": "high"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 19:00:27.784337+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Malware indicator (automated code analysis) (high)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc8ff-b015-7702-987a-05112f0242b1"
    },
    {
      "id": "chg_019fc8ff-b016-75da-bf11-628cfc0693c2",
      "kind": "malware.resolved",
      "family": "supplychain-malware",
      "subject_kind": "advisory",
      "subject": "gptMalware",
      "subject_child": "",
      "from_code": "supplychain.malware_found",
      "to_code": "supplychain.malware_found",
      "from_value": "high",
      "to_value": null,
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 19:00:27.784337+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Malware indicator (automated code analysis) cleared",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc8ff-b016-75da-bf11-628cfc0693c2"
    },
    {
      "id": "chg_019fc490-d77b-7941-af0a-7066151e62c4",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.tree_partial",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "189",
        "assessed": "189",
        "resolved": "188",
        "unresolved": "1",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 22:20:54.493388+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Known CVEs (unverified → partial)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc490-d77b-7941-af0a-7066151e62c4"
    },
    {
      "id": "chg_019fc490-d77a-72c3-8286-d74e5b25e0ba",
      "kind": "check.reverified",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "tier": "none"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 22:20:54.493388+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc490-d77a-72c3-8286-d74e5b25e0ba"
    },
    {
      "id": "chg_019fc490-d77a-7b0c-8c0f-84b6fe7af0b0",
      "kind": "check.reverified",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "repo": "arc-mcp/arc-1"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 22:20:54.493388+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Provenance (unverified → pass)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc490-d77a-7b0c-8c0f-84b6fe7af0b0"
    },
    {
      "id": "chg_019fc490-d77b-7e70-9294-73e4a0791afb",
      "kind": "provenance.repo_changed",
      "family": "build-provenance",
      "subject_kind": "package",
      "subject": "repo",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.verified",
      "from_value": null,
      "to_value": "arc-mcp/arc-1",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "arc-mcp/arc-1",
        "from": ""
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 22:20:54.493388+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The attested source repository moved (arc-mcp/arc-1)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc490-d77b-7e70-9294-73e4a0791afb"
    },
    {
      "id": "chg_019fc29e-da53-77be-8339-2e7f4277ac5d",
      "kind": "malware.identified",
      "family": "supplychain-malware",
      "subject_kind": "advisory",
      "subject": "gptMalware",
      "subject_child": "",
      "from_code": null,
      "to_code": "supplychain.malware_found",
      "from_value": null,
      "to_value": "high",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "severity": "high"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 13:16:58.297983+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Malware indicator (automated code analysis) (high)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc29e-da53-77be-8339-2e7f4277ac5d"
    },
    {
      "id": "chg_019fc29e-da54-7810-81b1-1bd5fbe039a0",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_found",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "refs": "[\"gptMalware:QY5gY3T3qEhUu4wjoZ6oH01Jd92xrrQxPK01bz5IDQFA\"]",
        "severity": "high"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 13:16:58.297983+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Malware scan (unverified → fail)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc29e-da54-7810-81b1-1bd5fbe039a0"
    },
    {
      "id": "chg_019fc29e-da55-7162-80b1-26c0f45af589",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_failed",
      "to_code": "stability.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 13:16:58.297983+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fc29e-da55-7162-80b1-26c0f45af589"
    },
    {
      "id": "chg_019fbdd6-8cef-71f3-b6d1-cf4e113565ac",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_pending",
      "to_code": "stability.sandbox_failed",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "status": "failed"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 14:59:42.435234+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: our sandbox run of this package did not complete, so we have no schema to compare.)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fbdd6-8cef-71f3-b6d1-cf4e113565ac"
    },
    {
      "id": "chg_019fb1c9-1414-7de7-b965-268bbb56e5a4",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 06:49:32.940481+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/arc-mcp-arc-1/arc-1#chg-chg_019fb1c9-1414-7de7-b965-268bbb56e5a4"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 83,
        "to": 87,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 25,
          "to_days": 26
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 83 to 87. That category is still filling its 30-day observation window: 25 days of observed history at the previous scan, 26 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 84,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-17",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-16",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-09-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 80,
        "to": 83,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 24,
          "to_days": 25
        },
        "partial": false,
        "compared_to": "2026-09-11",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-11",
      "total": 83,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-10",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}