addrbookFor publishers
← The evidence ledger

Evidence row 2599237

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:189381
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a5a89fd38762ce50f9362e9aa27ae487bfc699f690e98a37ff34ad9d1bc7a99c
Leaf
0x74259404b78cd1da8eceb55a357c2a100c5261078be34f44adf2ecbe107a2f43

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yqLXQh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/df9e6e92-d65a-4cbd-9fa3-32e0d5881644/.well-known/agent-card.json"
    ]
  ],
  "name": "Vioban",
  "owner_address": "0x6da42cb573ab39d86cd6d83e91ebd3743545b24b",
  "raw": {
    "agent_id": "189381",
    "agent_uri": "https://centralcity.ai/a/yqLXQh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vioban 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/yqLXQh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vioban",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/df9e6e92-d65a-4cbd-9fa3-32e0d5881644/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yqLXQh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T14:52:41Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vioban 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/yqLXQh"
}

What the leaf hashes

{"body":"a5a89fd38762ce50f9362e9aa27ae487bfc699f690e98a37ff34ad9d1bc7a99c","id":2599237,"kind":"listing","method":"sync.erc8004/1","observed_us":1793717561726523,"prev":null,"subject":"erc8004:5042:189381","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x7425cffdae81e3b336d3830edad79e126b1c5f9dbdd1b0bb6c9de52fa7ba8aaf
  2. 0x4938e5307048c77d299fbb3a98b20fcb1adb0ffb4d5c12c2933a33e7a505fe91
  3. 0xb150825df7b0734cd8723ade147ca74deebdf233b3f52e2693c263d69b719143
  4. 0x1753b357065eaa9e9e045d6bb150f918faf4913dbd3a6293cc60e99df624e81e
  5. 0x5bc9c95a054db04ab64e6fab8ac35716b66113cfa691056d5db2947c3f3c1587
  6. 0xd7c9c334ce203c35169249e5abccd789e17159be8c051bcdc53bde6f0a959b0e
  7. 0x6057b8fcab306689113e7e0583efc94925bd34f649e051ac00a4446842ed223d
  8. 0x00b4a1c95c94b5002472333e6542d4af0f583a21317608a21c6b1704084907f6
  9. 0xb3a4564a1486d384f14fecf304f17cdb696167655acb89bc0b29b2a8f97772e7
  10. 0x5400c343ac01303f264bbb08d597b6dea3e317b809362e3449d62561c3ddfeba
  11. 0x0ffa34a17b1cae8298e8209dd9bba6dbf5f624a591374dc19a823748c14a10f6
  12. 0xbfb5b86c3732e3821396df788c25997c105ee933690649fadb31f13174f0bc9d
  13. 0x0a2166fdbd0fb119437aa5c587d6d76eacdc831e2e2d305db6de877994a9e71a
  14. 0x8888e0d25075a71372832a4a34d226613212be78f7f52e7bc201b28be0cf3c7b
  15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
  16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON