Evidence row 3423509

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/25DjuL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b72ec65d-31e0-42e4-91de-052280786c50/.well-known/agent-card.json"
    ]
  ],
  "name": "Nabino",
  "owner_address": "0x18f02fe84a647f546b31c08d1a3989da347ee1c1",
  "raw": {
    "agent_id": "342962",
    "agent_uri": "https://centralcity.ai/a/25DjuL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nabino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/25DjuL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nabino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b72ec65d-31e0-42e4-91de-052280786c50/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/25DjuL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T15:47:40Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nabino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/25DjuL"
}

What the leaf hashes

{"body":"74dfd8670f96a5ee6b93904bd35f9304a2bd614db1df91371fa2afc35263d9e0","id":3423509,"kind":"listing","method":"sync.erc8004/1","observed_us":1793893660347453,"prev":null,"subject":"erc8004:5042:342962","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xb3a5071a553ad5c7ad5b83103d5b66f7918a49df9271365ca00ab245b21e790a
2. 0x12563aa90b935fe7cfdec5f8f1d67c9878f96bd6f50a060d7bf4ea50eab23a06
3. 0x566c032bb1164cd324a2f12c00d0c914570d2b2e46b3e28b340308b742341a68
4. 0x5634010cc4d31084a2b2fc1cba024f0274beef868a610a336af9998f0646f3cc
5. 0x051cd0cf1793dfd7b65737f7c47271196a811fbac20a738039269454f9fd3a9a
6. 0x8335828ccd7c12ca50b1049584f489182507dec7ee2bc29f581a474559f63476
7. 0x6e262ca970a29f16a9baef658fa8abcbbf266dd78f47b614f976c399faa3c2e5
8. 0x15dc46d18edd2990a6b941a01425f6fbf6dd56e5b0d1d7d70d1b923beef693a1
9. 0xa2b0e9c421be264e2a3ddc12f477336f5d7be5de9d21f32d7033ee63b0b9819b
10. 0xbb95f50b05bd359c0e43543f41331ee59c8ac40ff22aab54f88be96051186f90
11. 0xe880190ec3fdd540b27f8df4a3336ac57c917af73283c3e28bfef28aab48549e
12. 0x15f142e4d7f993e508094067508c4ad3c7a70488133d7cbc852bada042990250
13. 0x15606313db283c3954cf1fa47163b39920e323427a56981ab81f7bc73b1b36a1
14. 0xe9b3feeda7ba0471328dce63fe578d2b6d168331915c3460a3110e4549c6245c
15. 0xfb7fd5d9f2dad2a875d0018c34534e495fa88fbef40533c4ec84080e09b402b0
16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94