Evidence row 2181589

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OL80xo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9d739464-69e9-4b40-a9bf-5803eb6ed137/.well-known/agent-card.json"
    ]
  ],
  "name": "Bifo",
  "owner_address": "0xca8130e6c2edea050633817eed17cc9853919916",
  "raw": {
    "agent_id": "116690",
    "agent_uri": "https://centralcity.ai/a/OL80xo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bifo 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/OL80xo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bifo",
      "registrations": [
        {
          "agentId": 116690,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9d739464-69e9-4b40-a9bf-5803eb6ed137/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OL80xo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793640410,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T17:30:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bifo 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/OL80xo"
}

What the leaf hashes

{"body":"4f4faf823ea527cf75f5ea619370aa1cc06b11fad4435b0a9b338ff6df61cb72","id":2181589,"kind":"listing","method":"sync.erc8004/1","observed_us":1793640628402057,"prev":null,"subject":"erc8004:5042:116690","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. 0x379381d365aec1fbdb5d86d7bbfcfef071a05e3299afb9fb340298e9229abb12
2. 0x71bc2cfed57473dfbc540455a0fcd81493eee69a5fd0029218e504e8435104c2
3. 0x8fac078c7bde37e918752494a49647b36cafb014bab6761c2b6264e5a935cc27
4. 0x2fcb194f8b370dc841694a5b3de9ccca8ad31e2bcbcd2d2e5a8e1a6bd50038f8
5. 0x1d7baa8754c478164003184a6616432d77397202059112e15384334ab5981695
6. 0xe339c2c692cd2a4944c3b2ccd9161687acffe550dc54905330258b36b60d5e2c
7. 0xc675a4d7a4b4a0d8d5aca1c40e692307c5e49a141c2b2e2115ce44584a41bee6
8. 0x11364ed72fb14a81d38a5c8eaba3686c7eaf3638a531312545c57fd8be05e6ca
9. 0xd048abe8ed436399d897ec7213256e741424ff22947d58cfd8efbbb238033984
10. 0x808a49889c4ea41f01cf857b03f972f8b3471fa1bed38cf31b663dbac26c41aa
11. 0xf69e5498d61a996c78ff3e70adb2cc8fa90d5760f2afada04d5c046759a9c688
12. 0x4447e402cea61275117ac4e9975eae04626bad327ccc4f13f5d1b453b487c0d6
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af