Evidence row 2176303

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dXPb3I"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/34dcfa94-4266-4f00-83ec-d7ac9c53d9ae/.well-known/agent-card.json"
    ]
  ],
  "name": "Ribik",
  "owner_address": "0x6d1758f955a9f70145c60ccfeb49b39a472e8ae5",
  "raw": {
    "agent_id": "113911",
    "agent_uri": "https://centralcity.ai/a/dXPb3I",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Ribik 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/dXPb3I",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Ribik",
      "registrations": [
        {
          "agentId": 113911,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/34dcfa94-4266-4f00-83ec-d7ac9c53d9ae/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dXPb3I",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793638345,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:54:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Ribik 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/dXPb3I"
}

What the leaf hashes

{"body":"0116cb83074c5e11c1e733fb1c1288c423fe9bb331e20489a885417dc85f332f","id":2176303,"kind":"listing","method":"sync.erc8004/1","observed_us":1793638451524332,"prev":null,"subject":"erc8004:5042:113911","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xf63921399a6593a205ae44f4008fbcdd45153026a7528c0aff0863adc1f683bd
2. 0x1be60d4a12c8aca617959674e92da144fe44e07e362e65c83e1f75831827c416
3. 0xdc00f22b5cd47539d14bd061518ff36c23b5565c52832ef45e5faf51fce22791
4. 0xe754454fc5a2a6e05e8181e718093b67334a76e2cebd2c302100e2e6d59850be
5. 0xef33fc3d8ba094756bf59e572f1dfd555f620b29bd4b1d4dbe8247d87fd55401
6. 0x54a6233df3898bb2926f744827a61dc7d00942ea51bfd5000d90e6e7aa5eba3b
7. 0x89e3c4c33231a7ea0a013eafdb044218ef058fde0eadc6691d75777418a07cf2
8. 0x0e377c10df9aab07705614414d9b9a82e8993c293dc602c03308d58f790d4328
9. 0xbd298e77f51608a7c9c8e9d4982f96dd0718ca03f729d57831a532adc6f1a464
10. 0xd740175985cc75e925cb5a49d9690c08e1f936c1348cad94dbfe06d378629884
11. 0xe1e2352569523d4efc6bfc370502b55514e254ca4b18e29cdb4dcaec5aa0f4ab
12. 0x357b8b944aeb5a828c72699fe2ac56982a5ebd57521270f90ff495bcf87b9654
13. 0x54a66ecba86fe13527453978f73a6a3d80e1817889872b25f2a79c90d4b86982
14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af