Evidence row 2557705

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/SMUqoK"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d8ef48f5-9618-4b77-8c81-11413da942f4/.well-known/agent-card.json"
    ]
  ],
  "name": "Niadias",
  "owner_address": "0xd679a9b144d406ea9b27dfb4dbfda6c8308dd57b",
  "raw": {
    "agent_id": "172136",
    "agent_uri": "https://centralcity.ai/a/SMUqoK",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niadias 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/SMUqoK",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niadias",
      "registrations": [
        {
          "agentId": 172136,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d8ef48f5-9618-4b77-8c81-11413da942f4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/SMUqoK",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696777,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:08:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niadias 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/SMUqoK"
}

What the leaf hashes

{"body":"7fad461b57e8e9411686d2a654d68de45a090d84d9ae743404e79da8d7158950","id":2557705,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696934901293,"prev":null,"subject":"erc8004:5042:172136","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. 0xfd841baf16a67658cd9d30debea8ae82b2a5f4950a786611f3d176de1a3bd31b
2. 0x4d766ed34f9708fa1085392fb31a0ab568afee26858928eda262b9adbd637ea1
3. 0x49365147b776e16a7953557c5180ef29fe5488e82cc0a3e0d98a5bc77f95622a
4. 0x4397483afea737913609bc6b3df6aa4ca8a20006937d8455823be736e12e2a12
5. 0xc3d9e8acef7e766463e5f443c92fc18d610b8ac9f7e8e57f14b42eab05fbebd5
6. 0x4522dee9c7623e8a0835c04660be78babf489dbc710ec6a9770d4125cac5701c
7. 0x3a95be260f6fcbe61132bef3c397750f52bdfc166dc233245ecb56c642131ff0
8. 0xa51edd5b56e6d02030ed8668994461df46084fa82cb491893ea58481bfa544e8
9. 0x1132eb8533df781e86549a41d74676af6d8168a2668ef58ba241b2591f2798c3
10. 0x499c2ded4b2cfc429a59bf6508e177087d773e2fe340e957f0f283ad76a16f55
11. 0xfc6e95a3aa08288dc966a0cc9b3319e1e1943030f6154b3a614ecf3eec6261a8
12. 0x9beebae23e6ebd6d6b0bb00c7002e82c7e42625499974c6c936c5fe24f9a0f37
13. 0x60079cfab9dfee47546954dca240be72c67c7307edb40b9efb6dcbc22b705c62
14. 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7