Evidence row 1756690

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Z2WuHx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3d26bfe8-feac-446a-a32c-f976e0d89b2c/.well-known/agent-card.json"
    ]
  ],
  "name": "Halan",
  "owner_address": "0xc9a08e42463684c0e4e82251e33e2ffe4f052232",
  "raw": {
    "agent_id": "3473",
    "agent_uri": "https://centralcity.ai/a/Z2WuHx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Halan 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/Z2WuHx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Halan",
      "registrations": [
        {
          "agentId": 3473,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3d26bfe8-feac-446a-a32c-f976e0d89b2c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Z2WuHx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793527032,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T09:58:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Halan 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/Z2WuHx"
}

What the leaf hashes

{"body":"61c98cb7c03c105367536ba13557d31ec17aa65ee4c457a51c1e4abce20a9af3","id":1756690,"kind":"listing","method":"sync.erc8004/1","observed_us":1793527127752904,"prev":null,"subject":"erc8004:5042:3473","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xcec14f4d6a622dd33299b129df04fb18525542b49891a33e93f351105aa7b5c6
2. 0x8f14519e2e7e3e8d207eaf1dc0121cbbd555e94876b6fa85d38fd98df57c24e6
3. 0xc804d90606bce9d8b23ba43d48cf18dea27ec98870fc1adfc8c7ead9dbe5f0e2
4. 0x22461c2546ab956413a9fca466e850ef6943999c20cf300af2165b1e41dfd2ea
5. 0xe97c4036f6cfad3fbc6f1189b4910da71d8bdc19d0d7b0bf6f9fa94f554b039f
6. 0xee4136df33157d8651ada9c39e544572a5e696fb6d0eefd98ad1bbc4409a2b6f
7. 0xf654f0073989e1e7ce7b44ff2efa13dbba369d1656b6027aa5c92e5c8294cabf
8. 0x840d0ab2856aed8dd53437b1db584455dbf46e993013f0767859f5656852ce51
9. 0xcc7f70e7f55809caaaa46af0e5568d5556d0e3e0404fb27cb75ebe60c9b978fb
10. 0x46e2f40d9239b906be828771d1f29838968b6bf4d3f2e3d864d4355c5cf590af
11. 0xd7bfbbb77dc5d5d466b6521e0baf91545ebd31875eed299a318febca71ae2180
12. 0x31c1c30af3d362a5daf962324b8763f11ef40cbbfc221f01b1d00db92e30a88f
13. 0xdac71a6781318034c1afd4a1a615965f2837dd22d52db9dcf4ff6d934cdde2b9
14. 0xc837737eae003d6217621fce98752787bb2b4be80aad499398bcd6fa49bd6996
15. 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90