Evidence row 534418

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "MCP Canary plans, monthly prices (in cents), and limits, plus the free trial. The trial needs no payment and starts on the first monitor write.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_pricing"
    },
    {
      "description": "Connects to a remote MCP endpoint (Streamable HTTP, then legacy SSE), lists its tools, and classifies each tool's side effects from its MCP hints. Never calls a tool on the target. A target problem is status=failed with a stable failure code (e.g. TARGET_UNAVAILABLE, TARGET_AUTH_FAILED, MCP_PROTOCOL_ERROR). Private and loopback addresses are rejected.",
      "inputSchema": {
        "properties": {
          "headers": {
            "additionalProperties": {
              "type": [
                "string",
                "null"
              ]
            },
            "default": null,
            "description": "Optional HTTP headers for the target, e.g. Authorization. Sent to the target only, never stored.",
            "type": [
              "object",
              "null"
            ]
          },
          "url": {
            "description": "Absolute http or https URL of the MCP endpoint, e.g. https://mcp.deepwiki.com/mcp",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "inspect_endpoint"
    }
  ]
}

What the leaf hashes

{"body":"1020352e7f014f0028c04cd6494d938269017b26d4e49d16877420d1cdca4270","id":534418,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793128046978242,"prev":null,"subject":"9c4188d1-96b6-44bb-a88a-c17989a217de","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. 0xb653046adaaa6e8e8c34d343a5d73bb7712049ee0813b2bfa4eab5ef17efd85e
2. 0x21e0c94eb5882c63472151876d46a52a017e4226851e4098e3b3eafe97c2c5ae
3. 0x58ff644ce4f8d25b6426901d8531946a4e7a6ff98548bd4e12b95a3fd2368c2b
4. 0xecc6e0d664d2b9509d0bf0067c29387a4e5caa90724dbc5122bf72a34fe95866
5. 0x3a217c9a6bea7168c25e4af6063ab828ac2478fe7f4942fe18bfcd06e2d7f1e2
6. 0x929464471ee80f5e9cc76acc0ec8d397bbcbf56f52c22b9c8779a494c99d6a48
7. 0xce5176a44a3698d9538420a5064a0f33c77ad2cce441efe37a58af7990613f4e
8. 0x5e348304a52f9b905d9d7f39e8d11ae9cd8cbdf4bfb35ca3691c67ed630889d5
9. 0xcc91aea2f4298c07a1a51cf01f13c87d437727f24392bb8177e8531e680c5967
10. 0x175db15a04c1a86369f5eb59d2b3e2c2d769b0a50ba24bbaa058b429a8e02d8a
11. 0x805bcaa1830ca4b377189e2a58349e74a8199899ac6e62fc0e8e51150ca56185
12. 0x6e2f1bf13e63baa5946a254cc655175b50df835d2a257befe1759b4bc17ef93c
13. 0xdb8e341e9690aa686b29432c7b868b3859fb692c3ae3a679b8bc1219ebe3a597
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4