Evidence row 2554995

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/CnqAX6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0fd18c16-1c3b-4daa-9039-40613593a62f/.well-known/agent-card.json"
    ]
  ],
  "name": "Zossino",
  "owner_address": "0x32e9e4c51aa9194ceeeb8c95eab95ff9df2e8e25",
  "raw": {
    "agent_id": "170515",
    "agent_uri": "https://centralcity.ai/a/CnqAX6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zossino 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/CnqAX6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zossino",
      "registrations": [
        {
          "agentId": 170515,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0fd18c16-1c3b-4daa-9039-40613593a62f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/CnqAX6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793695017,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:40:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zossino 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/CnqAX6"
}

What the leaf hashes

{"body":"4be21a49ba89ea345c5bf272966ae8e7baccd148ab9254d585a0b7bc80a64b99","id":2554995,"kind":"listing","method":"sync.erc8004/1","observed_us":1793695218041287,"prev":2554761,"subject":"erc8004:5042:170515","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. 0xff912d92bfac59d6c845be552a072b8837fb7760ce6cdd6a5b015539fe92159e
2. 0xecba3b87bd788e9b230ade1813832c16712b19644267613674a0e4e415ff3505
3. 0x96bcdb37df98a39c02124ddd28272dbca9af21485b5ceb4d12d2026452d8719e
4. 0x26ba35c152bdc69d6b38f47d4f3b9e3f850d8a760aa8bf65c54152109d1e4192
5. 0x169e40d00a9efe292142cd6e7a4869e5872e5ab32f0c21188bc747953ae5c964
6. 0x7cc870d3800d5605f1f6412bef27f0e073debc1044b3c9d17a83fd95d3e9ac99
7. 0x849381cfb82a25f8919d957eba49dbc1f05d896e15c25ee1053ff6a0fd053a1d
8. 0x0f57500e19c1125d777dcf920369a7cef784798e38bb76058060f73690251f55
9. 0x7c57fc9a5082eff6d854a3dd798896ffc18b2e574570c1cace27022ed38e1943
10. 0x0cca8452005744c75bde38b12350611a378c67790f27ba8b7ad56b108e01715a
11. 0x9488eeddea1831e87396367c60538bbe9ca9277e342d62604aa4bac80200d3bb
12. 0x424223067996c6779cf410507a2b2177dc12548f2863913b8c34fabf662141f7
13. 0x54a6c4f1a32dea245c883e7129cc7c46a6cb711ffd9df5ff949c0ac3758e91ed
14. 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7