Evidence row 2557843

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BBxWJa"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6fc3b3ac-f8a4-46b9-a0fa-556bdc884e93/.well-known/agent-card.json"
    ]
  ],
  "name": "Zintero",
  "owner_address": "0x72991968d317d5cf7e1c3548263b98eaa34bcd17",
  "raw": {
    "agent_id": "172274",
    "agent_uri": "https://centralcity.ai/a/BBxWJa",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zintero 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/BBxWJa",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zintero",
      "registrations": [
        {
          "agentId": 172274,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6fc3b3ac-f8a4-46b9-a0fa-556bdc884e93/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BBxWJa",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696819,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:08:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zintero 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/BBxWJa"
}

What the leaf hashes

{"body":"c944a7b668368459493514216c0926d8f580ba8bc156f318af8723e833b48942","id":2557843,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696935533277,"prev":null,"subject":"erc8004:5042:172274","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. 0xe4eb167164bf17bc35023424b1717fbc294fbcc4a2de6a0ddf15a2cfd445fa08
2. 0x5f6777535a85cef98aa00cb4e701cf7fdca79a9cc013bb33ef0f31284ac14239
3. 0x3b1da9110039a996d4f219278116058f6881867c9c8d6f4f3e92aff2c05314e4
4. 0x90fd8c90cbc3855cb4a4f38f4ba0d334ebaa0d24283e4462a2876cbf0ae75d24
5. 0xde1c9935a1c47887b3fac65ef47787734b8bff4416568f98f43245f7cf2ce775
6. 0xc3d330038cc042fe3a24d5740d7f156a26f26fcb937f7e2cd310488b8d450052
7. 0x3062d3057fdddff038afad1c8de34fc38fab1888f18869fd29f6db48f4ec7e9c
8. 0x9286919f7c25aca1405b776efd67e54ef7722d83c7334f62e171023f8c642a45
9. 0xa7871bc6bf079f7a607a8d96e053ae50ee66445afa2920c1f55a30d39e797490
10. 0xb83c48beb2294e7fc53ebc7ef8eed31ffc9baeda1bebcb83bf6a1581199af12a
11. 0x0e6c3d64ce3a31c2664fd2e8cc383bd4e14ae0dcd9b9fc8ef16f9fce0ef0dd79
12. 0x8a2b27ce9e13b66cef6d1fa09c15a96f8e498f7102ac3524efaae6737b11d546
13. 0x45ba4607b58bd503d8501bd96a0477f9bb52f44b7e9c7927ec982f240f262131
14. 0x88002651b75eed5296ce4ff2e29616d59737fbfdbd4eb1747342b2df0368963a
15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7