Evidence row 577680

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":577680,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793142702269243,"prev":null,"subject":"af33a059-9df3-4eab-9cfd-21d50ae814f6","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. 0x43afebfc9e101413c67ea0799877a259947118e7772fad6244885b8de12ae793
2. 0x63d980940df2559e1b287cbf7758473aa6db7014dea21d92b47de01e9f18aba1
3. 0xf85937a3a6c8301707639f0cb6ca5dafd6c6c573898739e8ae5e5158086df942
4. 0x86d4a2550018e172d3d29dbd1eff81bf25822f800701ba938ce1c8f8a10fe049
5. 0xed28da49e7bbcecbf0d712593c7fa42f53001c41f5448a96de0ce45b5456eae6
6. 0x72bad32674b123376b59031bac883dda1a7ba008d6ab66c2c35c938dc0270216
7. 0x49e96463d4941803047c0b82c497b5893d01473ae5b36662afc8261795a4ee4f
8. 0x932a8052c1c2cc748a8a7b37c1ae682fde0fe373f205a3830b1a21192ac6085e
9. 0x75c3eeafdf882508ea28a7be9ee68abe405378a6bcb8901a6b54b3ec9ff80064
10. 0x5cfa63a10b3487db61c92c626c33b1eff3ac4075db618a1c0441712d51f536bc
11. 0x0e19abd28ae6841ef1d216f8789479240d9ce058f38983d79663e25a2f533e88
12. 0x73ca48521d1cc492ee4ab86757972943f96dcf68a114d6383fd5e527c332af36
13. 0x4b4a1e815a33d351cc45dfa35f97aef5faf461590a54756a40dc36a0bbabf04b
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4