Evidence row 3378153

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qLiSLu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9971efe2-d3ae-428d-a747-35d1b88a3ffd/.well-known/agent-card.json"
    ]
  ],
  "name": "Posano",
  "owner_address": "0xd08d3092710d9a1904f27372fca1e9b253bcc784",
  "raw": {
    "agent_id": "325142",
    "agent_uri": "https://centralcity.ai/a/qLiSLu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Posano 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/qLiSLu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Posano",
      "registrations": [
        {
          "agentId": 325142,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9971efe2-d3ae-428d-a747-35d1b88a3ffd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qLiSLu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793867319,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T08:32:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Posano 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/qLiSLu"
}

What the leaf hashes

{"body":"b88bf8acf7fb214cb1c7a3c5bb6aa85f2b4dc46b9ca0cbd5461dea9b7fb23ce0","id":3378153,"kind":"listing","method":"sync.erc8004/1","observed_us":1793867564993066,"prev":null,"subject":"erc8004:5042:325142","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. 0xe89ff39b4463163e6d3cef92e59e737743230859f71df30dce2fcbaf2fb59f78
2. 0xc9becbc45bc73ddd02e6d3ea60ed1efecf8642378139eefe1795999a5c4f2e8b
3. 0x688b6409a4cc7014b994458bd9b201a8dec1a3121c5dc2eff1045c01e431918b
4. 0x147f512fa1be9b145777935de06f80e512c5e4ebb2033cf29b7a693e5bd7c987
5. 0x59c2082b78b5f37d3bc2fe59ef5168a44abb3d79e74721a808f22552377ff934
6. 0x13948cd3007fc029418dd5264d46d766deeb2c275a08bee32dba83798f67ba0c
7. 0x9cf7bb58aa9370cafe769556ef7c18935a03bb5dce5f023c3071e1327f6dab9d
8. 0xe1af5b84aafacd596f427a7e93bf99b230873d963c9e924f4d5c3b09d1c10bf2
9. 0x40093f0b7c7c7da1918d92f4bad8581442dd64be255713eaf948bd456c4df936
10. 0x6a75535a0fd18583e6a7e5aa9c538f3feafaff6626f93d3f1cb8faf50ad15a8d
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