Evidence row 2561280

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/tO9Ctu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c43fd52d-147a-42cb-8c76-5b5f1ceca9ba/.well-known/agent-card.json"
    ]
  ],
  "name": "Seifeon",
  "owner_address": "0xdfd7016c8aeaeb72eef5b492302e0f9ab6ddcd23",
  "raw": {
    "agent_id": "173882",
    "agent_uri": "https://centralcity.ai/a/tO9Ctu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Seifeon 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/tO9Ctu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Seifeon",
      "registrations": [
        {
          "agentId": 173882,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c43fd52d-147a-42cb-8c76-5b5f1ceca9ba/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/tO9Ctu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793699072,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:48:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Seifeon 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/tO9Ctu"
}

What the leaf hashes

{"body":"1d31d889e1d58991bc7ee1e1620428dadbf2435ed5eb55c6b7d90eefe0e42c26","id":2561280,"kind":"listing","method":"sync.erc8004/1","observed_us":1793699299218617,"prev":2560931,"subject":"erc8004:5042:173882","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xf129dd8bacab8ed79254d0e4bb499594d30b0736dd2fa45539d454a4ab6fda5d
2. 0xdc37e78cd50c98259927c9a43f3dd3fa3e207742314a1f3b604fcbf4fa3b8864
3. 0x8d2a07f559910e6a65cd03ae8557d4600f280a7ec185717efb95b01dc06591c2
4. 0x76c2fed126dc815d3e1c39e5febb558e5bf967a73ce08a7ff7a1e6b46c5f986f
5. 0x0301fe814d7d85b3883768480757d61ae3673dba906b7c44a5d9c516954578a4
6. 0xc3922687e401a9f5cff1e2fb7b6c2b1338b752e97a12313040bc9d5c2b136f45
7. 0x3bc10c28f9c2475bd7149c370bed7a44e23363e8b8a3a4682be8a9387c416820
8. 0xba4789d04435f4549fac39561ef47e8474cdfdbe1610887686371eb48078d69c
9. 0xb0784bf1c77a796cc2a8b274f55666e88c98a6d72734330a3ac3fc3163dfca7e
10. 0xcab6d9dbf894e7476ab2a2fbfc8466e8fd6072d330e0f5f79d137a5e5d1387ce
11. 0xb558a4bd9fb3834759bd23a86806281b8c8acb643fa7c6229f9a1fe6d831a9f8
12. 0x901c24c016dc6da511831e817ad3fe1ceee6eeae1e8a1c2772c3925e3a13e6a9
13. 0x392d1f8e0d95573ecf5e48b86b7c22bc722ff63cad3e9bbf07a0e4b39157384e
14. 0x2548979bbd7b1568b5a14db6fca0201979c48165192f2b55f45fa21471031e4f
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7