addrbookFor publishers
← The evidence ledger

Evidence row 1758969

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:3714
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
65b0770d1150010d7b6515eff1b28aa474cc2873d0562f45490f1abf6d114ebe
Leaf
0x1d02c49d21fed8e0154c0c87888e15b9182e1184c2cf037a93b59355398cabb3

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/e9TlVH"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/be9e825f-1738-4a8d-a113-8bf38c631c5d/.well-known/agent-card.json"
    ]
  ],
  "name": "Berkeon",
  "owner_address": "0xccb9fedcee82e3bec22f1222de9814083990f3c1",
  "raw": {
    "agent_id": "3714",
    "agent_uri": "https://centralcity.ai/a/e9TlVH",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Berkeon 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/e9TlVH",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Berkeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/be9e825f-1738-4a8d-a113-8bf38c631c5d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/e9TlVH",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T10:45:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Berkeon 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/e9TlVH"
}

What the leaf hashes

{"body":"65b0770d1150010d7b6515eff1b28aa474cc2873d0562f45490f1abf6d114ebe","id":1758969,"kind":"listing","method":"sync.erc8004/1","observed_us":1793529913727009,"prev":null,"subject":"erc8004:5042:3714","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. 0x1d02c06f0ce969de01ff327dc97acb475f1fde58d67a795461f40e6a7d3e0c06
  2. 0xde189aae960d129387ae2f64800d8d9dbde93eb74125b0d705c79a6c9e4a3901
  3. 0x0213b513c9b68ee25490c03765cdedd96baed2e92995c75ad1839520a136381e
  4. 0x12edbf80fa3ec61e8fbeb2480b9695a432f45ba3ccfb43cc7fa58fef359ad671
  5. 0xe692e05c46adb4832d690aecc9843930125cbc0d0e73e957c0c138c116c94fc1
  6. 0x88048801e4413b8100e1a388e143333c38768a37062b35a9b92d5d9382d6d566
  7. 0x2c76b1c6589e5750f4874ca230cd6cf59984a7d0a50794a44aae74ea7b6abc12
  8. 0x59f6f952518de064d9101e64d487fe466858d45d6940dd5391c1471b6d240587
  9. 0x4ca1f5ed6c13d75ad4de0ea30c77e0b9e7a38dab55e243ff7a71e54dbc094fd4
  10. 0xdefd52ea807fa947d66ce9e13589d7178a01b1d88026ef1801c7c10d5926916a
  11. 0x17a01b5105229ff0f84633f0a4dfa06aa656e4bc6ada581ab1148cead7230471
  12. 0x374e8677cb5f7470293815b5235e57fac081a54b8c9fd798307f056532e9581c
  13. 0xae521539711ad5a91adbe0dd002003819ce70e53b6a96152851758fc41b75098
  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