Evidence row 2109865

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vYWJ5O"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0d23413d-cf33-4dab-80ca-506ba2fb8de0/.well-known/agent-card.json"
    ]
  ],
  "name": "Briakisto",
  "owner_address": "0x2244a79a32283b1e22008570fe76e32314658949",
  "raw": {
    "agent_id": "84127",
    "agent_uri": "https://centralcity.ai/a/vYWJ5O",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briakisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/vYWJ5O",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briakisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0d23413d-cf33-4dab-80ca-506ba2fb8de0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vYWJ5O",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T10:26:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briakisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/vYWJ5O"
}

What the leaf hashes

{"body":"05d3fd837a9c5ad8874213e7d824dbeb0e43b9a11a5c0d9f7375dec7225c0658","id":2109865,"kind":"listing","method":"sync.erc8004/1","observed_us":1793615162595904,"prev":null,"subject":"erc8004:5042:84127","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xf8552dd6768c0aee793e9e19aa354e3713d38d12b880266f5d303b29ab45ec1a
2. 0x6efca465b95aa331e268ae020b0dfac421296f345b7aca8f6cd8aaaaacbde9f5
3. 0xe4a0345cdbb145d8e265ce4c05361da4472b19df2a6f21032e2d744b5fa8b13e
4. 0x28b6764d8029f525a99378165f94ff26f3f646269a895d53a15ca15433edd26c
5. 0x4c524bb6a1837434ab3e6f0d122c9f8712fe2dfd2677ed86eb13db09439ce0b2
6. 0x29940981772da5a7007cfef213d3007cd75be2952ff122f2f8a4232dca0cda6f
7. 0xbd5f1cfaf414ae9b44cb466c61e6b2235523491345137741df9bfea493062df7
8. 0x26b250df5a90c2ce65c7bb4afb20f6669edb9d95d1955ce66b2043ae8376a87e
9. 0x52fb7ff621c59a92f6f9725af898d5cca5c048696ddbc400a7034c4aa04fbc29
10. 0xdffc3ed5219b07cbc8baf5661801fc42b5ea8ac64a675f373ddbce795ee1447f
11. 0x7ca4ab6b95729415afe4ec2c696057601ff23d9012a337890d0a65b9cfb07419
12. 0x8a00eda7272b242a5d459dd311665f728d7901e563d49972ca46eaa90c1b6180
13. 0x89a7b363610c665a6d371ca58d69c8f4bfe13c5c1cb1ef833fc373cf504e2e58
14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af