Evidence row 572190

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "Get the call-out fee that applies to bookings. Use when the customer asks about the call-out fee, booking fee, or upfront cost for a booking.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "call_out_fee"
    },
    {
      "description": "Get a list of all services we provide. Use when the customer asks what services are available, what you can book, or similar.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_services"
    },
    {
      "description": "Service estimate summary card with external action link.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "booking_description": {
            "description": "A description of the work to be completed.",
            "type": "string"
          },
          "estimate": {
            "default": 1,
            "description": "The time, in hours, estimated to complete the job.",
            "minimum": 0.5,
            "type": "number"
          },
          "service_code": {
            "description": "The slug of the service to create a service estimate card for. Use a code from list_services (e.g. electrical, plumbing, heating_and_gas).",
            "type": "string"
          },
          "work_items": {
            "description": "Optional list of tasks/scope items for the job.",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "service_code",
          "booking_description"
        ],
        "type": "object"
      },
      "name": "service-estimate-card"
    }
  ]
}

What the leaf hashes

{"body":"c271d0e3c68c48ee3dbd0686ead7d347f9e50d1761ebbc2ce0f66d9153925004","id":572190,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140618305840,"prev":null,"subject":"50c1879c-bdaf-44f3-8382-0a36223edfff","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. 0xdf512b9884a60b399409791251a132b5b39f536113d3cfe16aecdf0d2caa729d
2. 0xd9336ec2b656ae6907952a29514336d773fca3dad6a0d467326e5536aab569fa
3. 0x22f31ac60da7eb24891c6689641a3d6e2ffc4d0ccd7ff235f574eb6f22c1bcc1
4. 0xb62ff146d1d7cc5510ff4473b69a9478f5489251fc9fc2bc5e1aeb9b25573a10
5. 0x18e3d5814fab7a1018c314acf1fbe7b6b05e5e454266d80dcb8b9431fc72a61e
6. 0xd9b3273f09aee3e4dc90ea49d9caea4513128f7b1d30306b2a39d89f543f8375
7. 0x61e80a9284d99b2d534c69c8c56b95da79da87f173cb9dc7d4c7267a18b5e6f3
8. 0x0f496e706dba6e14b56f312bed8e9f2dad6ee460548923cc875db2f3e8004d45
9. 0x4b4347eac21dd00060563d1397a662a0ce8e959e22d939e2446aaea7ffa5e8cc
10. 0x08e0f1bd6bf3e4c9b47c16b0b5b0237273606939ca8743780a1980f196214057
11. 0x03709f74cb0b24c98dc70bc1ac073c88e08f993278d3f978839bc9507a8217cc
12. 0x432466fcdd2910b1cfb374f6f8307f56042f761290246a54c4573b208b574ac2
13. 0x979156f4f0a1ab811055c0a4d2b45bfa74d4bef619c176540454ee8d15e5bebc
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4