Evidence row 579526

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Full trust report for one service: score, delivery/honesty rates, latency, and recent probes with chain-aware payment receipts. Accepts a label (\"weatherpro\") or full name (\"weatherpro.agentindex.eth\").",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "name": {
            "description": "Service label or ENS name",
            "type": "string"
          },
          "probes": {
            "default": 10,
            "description": "How many recent probes to include",
            "maximum": 50,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "check_trust"
    },
    {
      "description": "Search the AgentIndex registry for x402 services matching a capability, e.g. \"weather data\" or \"token prices\". Returns matching services with endpoints, prices and their probed trust scores.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "need": {
            "description": "What the service should do, in plain words",
            "type": "string"
          }
        },
        "required": [
          "need"
        ],
        "type": "object"
      },
      "name": "find_service"
    },
    {
      "description": "One call: pick the most-trusted service for a need, fetch the data from it, and return the data together with that provider's trust score and its latest on-chain probe receipt as proof. Use when you want the answer AND a record of why the source was trusted. Scam / low-trust providers are never selected.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "need": {
            "description": "The data you want, e.g. \"current ETH price\" or \"weather in Singapore\"",
            "type": "string"
          }
        },
        "required": [
          "need"
        ],
        "type": "object"
      },
      "name": "get_verified_data"
    },
    {
      "description": "End-to-end selection: describe a task, get back the single best service to pay (plus ranked alternatives and any services to avoid). Use this before spending money over x402.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "task": {
            "description": "The task, e.g. \"get current weather for Singapore\"",
            "type": "string"
          }
        },
        "required": [
          "task"
        ],
        "type": "object"
      },
      "name": "resolve_data_need"
    }
  ]
}

What the leaf hashes

{"body":"772ca2aa110d3d780060283680ba705caee749f0ffb5d63a47cbb523b09f2068","id":579526,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793143475118069,"prev":null,"subject":"028e1a17-c3c0-4667-97af-17cd42fadb15","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. 0xbde50ed2d934b126aca9b382e6512f52df2fc1e85d93d84d8ff8c7ebb5c6693c
2. 0xae2ad37b5e8cdd2f39f690af1c70d91b8f144af5214ca53d9bd80e3fc2a1b1d6
3. 0xafcdfab70d410ba1840cb9f4d344731fafd4a6767ed17757cd289147637ccee9
4. 0x0caf39ce44447ec71dd499a951edab46cb381bb91ec0b800e25cc31a8b06a8dc
5. 0xabd0f93cab5199bda89c4be1a5aa1956d68f0e1a2041cbc2256261e259dace73
6. 0x009b1f7d09818de19aaf5290581649f846d9d68a52b303898cb18e11adf762ab
7. 0x06d488b85d69daebc3b3dd8680c8bc51d04e92a2180ad3e8e62e671348bc2e23
8. 0x7d5645b18fb0e27b58689dbf3f18115681b3b1df2c693e1fc57c33c7be95d03f
9. 0x1a188a875faafbe522329923fd4d67fb7789578206dc5979e4dcb91e38e69f5d
10. 0xb5730aaf454574b87aecbe281b1049c1c07fcd497e3f4967148c82fa0999d672
11. 0xfa499b01c38798cdfce2dcc9719d658c988699d583028e4a7585d1e6521fb1a2
12. 0x92804c1cd4f73221d350049c90c3d17d86ce815c332f3b67c5894d2919efebf2
13. 0xb4800af1fe2ae822adba5c087faf1dc0bc2d7c9de2e3e602a2b65aefc1d53c94
14. 0xa453d1738637a5c663802d07ce095aa340c80d53a4288ae277a72e265868ce4e
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4