addrbookFor publishers
← The evidence ledger

Evidence row 1768457

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:5404
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
96ec15a8b102a6a56009cb869c0acf98deae71773a3b24971f387e786f6a823f
Leaf
0x21f7996f15350549ec918024a01edc44720b2618da77aac5f0c1b551ce8a9b2f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2YZNaR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3fd5758d-3820-459c-97b6-556b5ebcc5cf/.well-known/agent-card.json"
    ]
  ],
  "name": "Lafel",
  "owner_address": "0x055045d82c864d9e41c752cb5b7c8f1084cf5c40",
  "raw": {
    "agent_id": "5404",
    "agent_uri": "https://centralcity.ai/a/2YZNaR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Lafel 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/2YZNaR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Lafel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3fd5758d-3820-459c-97b6-556b5ebcc5cf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2YZNaR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T14:40:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Lafel 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/2YZNaR"
}

What the leaf hashes

{"body":"96ec15a8b102a6a56009cb869c0acf98deae71773a3b24971f387e786f6a823f","id":1768457,"kind":"listing","method":"sync.erc8004/1","observed_us":1793544043543493,"prev":null,"subject":"erc8004:5042:5404","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. 0x21f79b181125c8ed2215db309000a875240512de7314a1128343460fe162aec1
  2. 0x8da937cb9b46ddb5ac10468166078cf3130d454b512abb1c675ef7c1ebadda5f
  3. 0xb0826dc44e773275fd29d6fa53ee1e059c27235dda7986abb95123676a161d98
  4. 0xaf3ee9468bc4b20274909f5ea5a5e790f718b72fc2b91c26d7574dbb6538a2d2
  5. 0xd798cc8040c98c9312f62678639f96a5ecdc3c10f24411ab9206efc4b8739212
  6. 0x6e7480fded6c0e23d3bff0a64b7ca5d32ef87bea3e3c607d486f78c8868ddb01
  7. 0x024f4f96763276fdbb43166a92567b75e904520e440d67d7775156e73962f2d4
  8. 0xcaa864c26d34b87473ab74929ba2bf75e4d4b2ed4465f17fe78c088ea9dc098a
  9. 0x313cdfebea0b58f69c121a3c703e239063670b2492ca43bfdcfe90624edea570
  10. 0x0a738da3f49f39f1ed0d89e939e0ac82f68342761d75f39849be2d597ce28680
  11. 0xf99b4db0dfbd66a16105c00143cf875ab0172bb5f78d59a41a5aa4488644c5c2
  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