Evidence row 2590564

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NhFhwG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/63bc483a-8e33-4f06-b208-f5cc3aa31e39/.well-known/agent-card.json"
    ]
  ],
  "name": "Nioristo",
  "owner_address": "0xc83789e72738fc3534454246cd78302ae338e8ce",
  "raw": {
    "agent_id": "186223",
    "agent_uri": "https://centralcity.ai/a/NhFhwG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nioristo 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/NhFhwG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nioristo",
      "registrations": [
        {
          "agentId": 186223,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/63bc483a-8e33-4f06-b208-f5cc3aa31e39/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NhFhwG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793713671,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T13:50:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nioristo 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/NhFhwG"
}

What the leaf hashes

{"body":"a984ce02739704d319b2ba9e43e5d9ba2cf8c73acf7674ff84c70721e29851f3","id":2590564,"kind":"listing","method":"sync.erc8004/1","observed_us":1793713856518921,"prev":null,"subject":"erc8004:5042:186223","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. 0x089b8c6135833b263f2f41cf311e6e4bb6ebb62d5884d2dce214f9c40dd619ef
2. 0xe9147d95864eec836879559e46fe636706f4c50fbbeeb499f9534f0f1ad88713
3. 0x4485637e9f36ca23e8789e9a939846c7086bc20643f30e9c515a68fa72c5dd6b
4. 0x63f90c1efbd8c49999ea3483baa896050955d84b5f353aded27246e55c7b49f6
5. 0xa3dfae35c7ada0223134124ba1b8e391cd6a5eecea21ec1077538e6fb4538631
6. 0xc324b6f8ad86874657961905f36dbe22512370d88d340d1cd80ee9a43e503242
7. 0xb98d5f8369a417632891240ab6060d8662d4f386b0485eca18478bfe2496ad8d
8. 0x4001cf16a5efd69a451d1e12e881533aa9c7af670f0b481937cf953d6c348a22
9. 0x3534f26363646cb80913d72ff1aa411f10a1fbf3232c0660a038d4217a5e125d
10. 0x9851b97119781289ef2f9347f3174130103bb96a2068c0d2b150c07507310071
11. 0xb1798af914cffb15b3a652c823a0e63e62c673ba59be9a6fac95e9a8d2c07440
12. 0xaca26b4858c092fa669d65992083ad40aad05d636d4c6901ba18a08d12754f74
13. 0x394e8598ae2af6d79de9c7634464932da90d62d762702fa202424a45582a05df
14. 0x93ab7dcb2777a66a8864a3266602159fa29a49683bf095a1ec2a005ab2d78703
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7