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Evidence row 3026821

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:259941
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c91027ac8c70756773a6506184aa2ea0f645dfa3ee33fcb637a0df73bec851a9
Leaf
0xfd53018b775c4c43fc0fc6347541f9b959e61aa777a574e1e13923b6df91ad48

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NSpVu9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ae9549f8-5f72-4a24-8136-0692c35bc535/.well-known/agent-card.json"
    ]
  ],
  "name": "Niansus",
  "owner_address": "0xcaa82f1e668dd780ab1fdfda9e02c07db8d51822",
  "raw": {
    "agent_id": "259941",
    "agent_uri": "https://centralcity.ai/a/NSpVu9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niansus 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/NSpVu9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niansus",
      "registrations": [
        {
          "agentId": 259941,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ae9549f8-5f72-4a24-8136-0692c35bc535/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NSpVu9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793807633,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T15:57:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niansus 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/NSpVu9"
}

What the leaf hashes

{"body":"c91027ac8c70756773a6506184aa2ea0f645dfa3ee33fcb637a0df73bec851a9","id":3026821,"kind":"listing","method":"sync.erc8004/1","observed_us":1793807834827509,"prev":null,"subject":"erc8004:5042:259941","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0xfd530987294f88eeac0ea84ccb9106a9156cf2ab629c33afe00d8704aafafb22
  2. 0x162eb14f3972a2ee478982af068130a426cb6a696d55ce8d8399cab676f31343
  3. 0x4c475bfcbc5f1427376ac3416b7f09cd8e5c584f5217232678d9429f8c1d9057
  4. 0x6d12029bc22fd6bc0e4aff35451964ee6187d58b562850c121fcd9d022685fed
  5. 0xd7d245a0ef742373baa7ed9bda453acf6397367d4aa3af2041d3a4ffdf863d8b
  6. 0x8e325238d2b5ce5cdd874a659b8be5fe5db79d20a25cd1dd8e99abc725fa1f2a
  7. 0x8864627bb0cddc363a34a907a6c636da027f918891fa06f9a4f0d908919683eb
  8. 0x6be277a2a47c0a9f7a42f8eb5b492f94e5128cd0e2aa35b39365845ddd9bcc83
  9. 0x9b57e5c56b503e6ea5d81c9197eb959412c39e581374913142bf526c8d62fab9
  10. 0xe7302c259130932b01aa967b2c6fc3dfc7a2d2468249fe5603fd6d3818ea5b82
  11. 0x64e0ca7d3173f74f02b3dfd173c867d4a46a396c000126e293e9aca73057e291
  12. 0xb121bc1b49da9a29b5803bc152443979d440c933cbf6e1398b9c040b87301998
  13. 0xa4c6837c08296bf74558830f9995bd020c066ef20a961b83854210b3ececf637
  14. 0x22136ce0d951d9ba0a7af26db46b296e61b6d99bdcaac718cb7ad94fad708bef
  15. 0xf3c6700d5df4bc68d1e98c623150c4852d8000cd123b59c743588bef452bdd01
  16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
  17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON