Evidence row 571055

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Validate and summarize a DiffCI observation report, including selective or full mode, affected-test counts, fallbacks, non-interference evidence, and the conservative next action.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "report": {
            "description": "A diffci.observation.v1 JSON report.",
            "type": "object"
          }
        },
        "required": [
          "report"
        ],
        "type": "object"
      },
      "name": "diffci_interpret_report"
    },
    {
      "description": "Plan change-aware CI validation, affected-test selection, test impact analysis, or GitHub Actions workflow checks. Returns a safe local DiffCI command without accessing the checkout or executing it.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "action": {
            "description": "Validation action. Defaults to check.",
            "enum": [
              "check",
              "observe",
              "init",
              "verify-workflow"
            ],
            "type": "string"
          },
          "platform": {
            "description": "Shell used only to render the display command. Defaults to posix.",
            "enum": [
              "posix",
              "powershell"
            ],
            "type": "string"
          },
          "repo": {
            "description": "Optional local repository path to pass as a single --repo argument.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "diffci_validation_plan"
    },
    {
      "description": "Perform a stateless preliminary safety check of GitHub Actions YAML: dedicated observer job, continue-on-error, dependency isolation, read-only permissions, and immutable DiffCI references.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "workflow": {
            "description": "One GitHub Actions workflow YAML document.",
            "maxLength": 262144,
            "type": "string"
          }
        },
        "required": [
          "workflow"
        ],
        "type": "object"
      },
      "name": "diffci_verify_workflow_text"
    }
  ]
}

What the leaf hashes

{"body":"ca3d2e090270f372a0a9f5154c3bf687a97cab98c6b901f52a16e68725952588","id":571055,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140011143889,"prev":null,"subject":"a2ac4ba4-9fe9-4dd9-b00b-3da7040c996d","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x1c69dc40eaa184296b37d1b6a0271a5ba2205955465125b58c5f1976a84c5513
2. 0xcb72aa6bff107ecff5a8bfb01a3506813bfe334c5317930c45e7212b45c7fa72
3. 0x351b1eb9fa58577cefe9963e668aaef4185cd0081972c7531510f63b44ac6b7c
4. 0x45136a4aefa85eac2e0ca7dc0de4ae6db2057c6f55b2f552295b08d1d83d482e
5. 0xc68330cefb42347c0aed6f60438dffbcd1eb3b7d8cd369dadca0a3a9d235a92e
6. 0x0e535fff399fa7172d3bdb7d8975bd72f46a8dbb8879d75fef79f7e20fd89dea
7. 0xebd62dd4f4ba42f5e8104e86f94240a77434a6da2a4e2133994747d01f729209
8. 0x01628139c8720d53b81052d54378266f91bbaf1da50b41d17039064c7d8c4a8c
9. 0x456d4496ea077854cc9f8bdb5b45c8452f2dd147595ed5b3e58d8fb8bccb1eb1
10. 0x0c5c54f5df112baf72379962bd804049b360df5a639cf3a5383ffe7edbe4f45b
11. 0xcd962c796f397570121ed906a802c577e41df857b8b57da8c41a4944a1468428
12. 0x92568e5a7cbd4782e9223d1910dad0adbcb676338daca49fde5bef5e84ecc1e2
13. 0x51f03aa38686601dad27c1b6449721baba5becb2342776edd179ef9189d62f57
14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4