Evidence row 3456877

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vHBtb7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c44a6ade-b41e-4be4-b9a6-5a0caf50e48f/.well-known/agent-card.json"
    ]
  ],
  "name": "Barkis",
  "owner_address": "0x9b5de6cc90fac57e868ce97c73327b52cc9e9f73",
  "raw": {
    "agent_id": "353479",
    "agent_uri": "https://centralcity.ai/a/vHBtb7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Barkis 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/vHBtb7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Barkis",
      "registrations": [
        {
          "agentId": 353479,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c44a6ade-b41e-4be4-b9a6-5a0caf50e48f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vHBtb7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793912211,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:59:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Barkis 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/vHBtb7"
}

What the leaf hashes

{"body":"1e355c8e1e89ed0220a2e07e2e9eaa69b4fd42d4ca3d9d7b2255a6e123f39854","id":3456877,"kind":"listing","method":"sync.erc8004/1","observed_us":1793912387459388,"prev":3456291,"subject":"erc8004:5042:353479","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xe91b99b6d9a3b2a5a0babd14554f9841e28d8b1a6b634044e0fdee899628f7f3
2. 0x04ec192c7ae4b19c829c0a400d5a4f506cebde528cd306a05b70355c6db3a823
3. 0x05b40c175f232b0847953c066debf0fd12558ae07ef07d5ea1aa9bed320a317f
4. 0x632137fc24e2f7916249ada2a8af7584bae51651a446c48ef3063a588014b5c7
5. 0x7931356b3c79cefdc4cf7b214d79974815738681e3375311659b3b16896ca708
6. 0xcbf6ba7463d821afe1a0984d40160a1358e887855f6906aaafd0163ad70a0203
7. 0xc759873aee5828c2bcee7da114fa569c0b9df543b8f71726934bb79f96194278
8. 0x69954cafaf5a63f9a03653d893461596d2212701df3b04b64b1fd59837319564
9. 0x828300c397bd2c25573a51394b8cd2990cf05d77c9e72d055b549b116349b09e
10. 0x70184c32b911b676b2b139e0b2d0f885f6911e89864e8b04e7e30b68a77b68eb
11. 0x863f9f70a2c444c7a173d4280d21be07efbc5b75ec441be36b06b2c151a063b3
12. 0x0d71082bcd7635f145ced61d25269e0dd1764cc417ac22439b289c957bd63b71
13. 0x3462d641429cec10c8b5b5ba021c51334ad8d483cede88120521fea301eb9622
14. 0x541b1a8c30ddf11073cc1260fda10cc5489dc4a22cfd9742e0f2f43db5f207c2
15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94