Evidence row 2166021

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/WzYyCi"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4f5f696e-0a63-412b-8db8-d134d917dca9/.well-known/agent-card.json"
    ]
  ],
  "name": "Nussik",
  "owner_address": "0xfd70bd0b1c968a420dfc02404ceb1fec39ef6298",
  "raw": {
    "agent_id": "108494",
    "agent_uri": "https://centralcity.ai/a/WzYyCi",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nussik 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/WzYyCi",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nussik",
      "registrations": [
        {
          "agentId": 108494,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4f5f696e-0a63-412b-8db8-d134d917dca9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/WzYyCi",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793634097,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:42:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nussik 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/WzYyCi"
}

What the leaf hashes

{"body":"4020c2a7ebfad7202d317f21c6b476bdd7b85c62ac13f749b145f925fc48597d","id":2166021,"kind":"listing","method":"sync.erc8004/1","observed_us":1793634172518485,"prev":null,"subject":"erc8004:5042:108494","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. 0xf5c948d1c71db494ed8d9dafecaaca71e77fdd735b9f72c824795adc165f8d6a
2. 0x4616613c09df70129627ff36154af009946de1f7ef9f96fdad8ee9b5cf87dd76
3. 0x9c758aefb4bbf2ed0671ca7cacc51428ad562b7eaecb7468b904843497829d52
4. 0x6290779584c671c21ebdb4c2b19b37b90b930f88572672e2863b0871da89064d
5. 0xb9f61a9b9f47b44c1f8a235611d50baabd59e505f20b4aea9c6f258884ccd5a2
6. 0xddd826ee6b3c92b72a00e4359e57fc23d6d7c48dcf0888bf40245fc333124f8b
7. 0xe342e5ad842cc9a1d275fb7568556fb760176b0a50d81f3dcdcbab7966e107f4
8. 0x0b1e0e9372af5e62a5e71bfc1d6fed0426b329a98e2297c8d8287cb63d256653
9. 0xf03b73f80a326c7dd36f707e99478ba70aa4db9cd13d11c3d46bad358c762ff7
10. 0xbda92690f69f57bcdba2092c02197e1a6f8384f07068e64ed9796e422e6d074b
11. 0xf88ffab9e660a2924ea3deb734ff7cbd058ff96c1f240523e0e20994eee49632
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