addrbookFor publishers
← The evidence ledger

Evidence row 2101008

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:81566
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ef4aa8574493c9b86a6c4e19c48c8a35e6922678482928a1534b0dfb6f04ec2c
Leaf
0xf025f78aba717459ea14e1d9746efd77592604111aae3ba7294b7273795d9a87

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zCobO6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/08a734c0-df15-4656-96aa-e95c0c04be17/.well-known/agent-card.json"
    ]
  ],
  "name": "Krubik",
  "owner_address": "0xd76bf18656438ef9ec67c35f9b2585c0b5126822",
  "raw": {
    "agent_id": "81566",
    "agent_uri": "https://centralcity.ai/a/zCobO6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Krubik 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/zCobO6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Krubik",
      "registrations": [
        {
          "agentId": 81566,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/08a734c0-df15-4656-96aa-e95c0c04be17/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zCobO6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793611165,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:20:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Krubik 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/zCobO6"
}

What the leaf hashes

{"body":"ef4aa8574493c9b86a6c4e19c48c8a35e6922678482928a1534b0dfb6f04ec2c","id":2101008,"kind":"listing","method":"sync.erc8004/1","observed_us":1793611225549914,"prev":null,"subject":"erc8004:5042:81566","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xf025f25bd7c869fcedfcea88c488b7c3f404da461314058db3759ea3ed79f9cd
  2. 0x79ad537efa97bf39409ceb44237704d00b014ab6e8dd656995ffb7f45ef71ab7
  3. 0x9df2b154328671ef81c13cff5cc79cd31e4850f67ec5156bd397e75f2c50f2d9
  4. 0xe7fc17562790df52162decdd602b66a856765485e29cfdc18c9412265ac3b5c1
  5. 0x5f25fd5fa131dab4dfe85b2db7f3b4c3a7a4c727bbc7b17d6cd5f1a0ef7a6c15
  6. 0xfa8fcc29de2aa2270450a1f35cc776a459114ca4e62696c44ec81c1eab692319
  7. 0x8fe82555ee30e0e3fd71afbf0bfd98864253bf255b8ff28c374260c1cfc705d3
  8. 0x0106ef0a08a6d99a1f554efacd8cf5875f2870c4079407856de8bdcf00be95d7
  9. 0xc95e92805107398372912b30689502c87be7053a7e4465821d9b93e15948d624
  10. 0x49f3e99a33db0bf475df0070f3c1fdb396dd4d92772107b2babdb62a6c7a98f4
  11. 0x1f629f8654e40ac1eb46a732061a356b88841de73efb2bd0c301a7414c5c5fde
  12. 0xfe5fafbda84768aa127517412dad46b6d52750c98fd0471847d383ba9c0ebea4
  13. 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
  14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
  15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
  16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON