Evidence row 1781643

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9CxHew"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7afb39af-880f-47ad-aaa0-59a6fd6a3253/.well-known/agent-card.json"
    ]
  ],
  "name": "Grubler",
  "owner_address": "0x0714333ad2e5ea008a16d75e44eaf9216f8326b2",
  "raw": {
    "agent_id": "16124",
    "agent_uri": "https://centralcity.ai/a/9CxHew",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grubler is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/9CxHew",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grubler",
      "registrations": [
        {
          "agentId": 16124,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7afb39af-880f-47ad-aaa0-59a6fd6a3253/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9CxHew",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793555548,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:59:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grubler is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/9CxHew"
}

What the leaf hashes

{"body":"0ffdaedb8dfd682d660768ed379c889960b6cc9e1a7e0066655d3db4c53ee087","id":1781643,"kind":"listing","method":"sync.erc8004/1","observed_us":1793555951933679,"prev":null,"subject":"erc8004:5042:16124","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xfaa6a0154c18dfdd94e10fc03b98e21894876b49773536c451fc3c52295e3118
2. 0xd3ec0d11f56071ba897807aabcaa818163f53d5458cf34d0793788cc665f377e
3. 0x259efde1823e28496eb25d2b489f2cc7f7bac747a560410a89f334c138fbdd9b
4. 0x6c0d4a7864612e8ce10c863c7509c51b96eeecf5a2a80b4c3cd35800721ed5bb
5. 0x6b1c573c591e62a9a4453849b70c96f6f96b712be1e89c1714733792c4953cd1
6. 0x517ddb89aadcae382623a90de127c37ec4cd41c0b7d523e9c6cc3bbdeec0130e
7. 0x31bd3264ec9f5c94a22dcc92a8c48c371c7f7e0211c1f7ecc348f29982b603d8
8. 0xae4ac9d0277a15544af67a80b0dd40b51c71672718fe3608c65701d603537a22
9. 0x973e7e8c11c4b7123596e20b23b2e3db33e282a8adc0008e7753b4073e723cfd
10. 0x0705b7cf4fef26c9b532d30353306d641e1ce4ef85b82ecacb2447822dc78c19
11. 0x61999a04b51ec90f5d1b0c742864310a9c30f850567f0244ecef9bd5d23848b5
12. 0x6e71a55e0a56ca0bdc131aa827b2dab94f6c61b4184a13e64ea6350bbe474512
13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90