addrbookFor publishers
← The evidence ledger

Evidence row 1815811

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:19973
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
897e4a6c405550087d69daabb3496dde78cbd11ba7f942e3e260613d052966b0
Leaf
0x2166a1d6b4bcfd7c0ba9f858f758a60f4abbd431ebe79ee33ff1bbd2528839f5

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6GUMV1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/14df3eec-e747-4229-a428-1eb58cd1d828/.well-known/agent-card.json"
    ]
  ],
  "name": "Nempan47",
  "owner_address": "0x539f57075d8e2f7d80660c58f711cb822ad3bdb0",
  "raw": {
    "agent_id": "19973",
    "agent_uri": "https://centralcity.ai/a/6GUMV1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nempan47 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/6GUMV1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nempan47",
      "registrations": [
        {
          "agentId": 19973,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/14df3eec-e747-4229-a428-1eb58cd1d828/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6GUMV1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793560970,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:27:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nempan47 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/6GUMV1"
}

What the leaf hashes

{"body":"897e4a6c405550087d69daabb3496dde78cbd11ba7f942e3e260613d052966b0","id":1815811,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561247918085,"prev":null,"subject":"erc8004:5042:19973","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x21660d80f5659dd27af82bfc85e996a54d56c5fbb519ec8fb497bdad8ccbdd83
  2. 0x0665347c4232fbd0ebc6f2682761acfbf223341edb378bce339e9b3d91da2fec
  3. 0x9b1d1d10c9c8111f657082b0c9352037176edf4243f1b1525886a50770fe9081
  4. 0xe301969d458943fe1b1a392f5de5b88cd252f0099f77db027d32a25222d9e172
  5. 0x5f784c317220ea1cabb132c2573fd25feaaddc3a8dde3c1308dd2df55dd498ab
  6. 0xd67334b96969d11ee323ba8b85fd65562c962a0d4ee8a51c1b5604a444ddf724
  7. 0xd29f2e530d15d40951d9794449885707beaba27e80be93215a49384056c3dfa0
  8. 0x8080f76c8d3703e65f11b99941e69f4444246af4c4f501bbf75508e5355fa889
  9. 0x283e9078729b514f0d050d89849e1b01e71e4f5fce60ae46487fbac6908b9092
  10. 0x385ec94deb2d903b8c9c54a334cd764964eb6ee1e3c20ccdfd0351fa3e841673
  11. 0xadfa89de6b18eb9aea2e6ef948164cd93fd2ea9b3e98200ffa47cf4ed173fcac
  12. 0x3d8872b2c188ab107cca2a55e8d91df7ee5b37cb2a08d882178f84b48f381da2
  13. 0xd962e1b3842b353598d79ca5fe0b84b02369d05fe8f6e6103d51bf4d4d1edce4
  14. 0x175afd1319b72670e83bf74eef6f87ab2173061f5bacdfe981a6b0789c963022
  15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
  16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON