addrbookFor publishers
← The evidence ledger

Evidence row 2522286

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:157235
Recorded
Previous row
#2521775
Body SHA-256
015255cef2ee7a086117a429a9438298109b997ae2c839c73b6699d5a0968cf4
Leaf
0x85064dec6676c7f298702261ad20a929bdcce87ec6ebb2c63cc3000d2d823b0f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fqR150"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2cd4d917-0efd-467a-9385-bdbd57ed2eb0/.well-known/agent-card.json"
    ]
  ],
  "name": "Gravan",
  "owner_address": "0x1bf62b57c9f064f4e07b2b4eb6d27741356dffef",
  "raw": {
    "agent_id": "157235",
    "agent_uri": "https://centralcity.ai/a/fqR150",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gravan 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/fqR150",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gravan",
      "registrations": [
        {
          "agentId": 157235,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2cd4d917-0efd-467a-9385-bdbd57ed2eb0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fqR150",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793679607,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:25:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gravan 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/fqR150"
}

What the leaf hashes

{"body":"015255cef2ee7a086117a429a9438298109b997ae2c839c73b6699d5a0968cf4","id":2522286,"kind":"listing","method":"sync.erc8004/1","observed_us":1793679922483405,"prev":2521775,"subject":"erc8004:5042:157235","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. 0x850634bae6065575994de847e8141a721bbf331bf765250db6917a58e2cf1e8b
  2. 0x5fdf852b344b31d77423ceb6801800af15a9e0a74b145270dee4f7cd706790b7
  3. 0xf4f8527fa0542464f46039d843c4806d8aef870b77aef2f6ecdcacac74bdcf4c
  4. 0x259d9e5b7f1b39b41f9a29ec03d93b43a426d30be93110e22d9b2beb8c9110c5
  5. 0xb32d2ed77c9a7ee393480ba525f8c9fdf00ebdf15c9d0b60aebf399ffa48dde8
  6. 0x4eb9e69b1cc536c8cfbb91098233e9168f4a03309a7583e338f30d576a005cc3
  7. 0x2517b01b057dab893fca2fd2cccd6ba811852a6e2af45e6ec7521b0bb91ae7c0
  8. 0x16f9673b6a1857aad80021d79718fca1b91d53cb9c88be982c35ec7df72403c5
  9. 0x5865bbe133124255f1f205baa4c394a212784b8110cdcbb1b61d9d786affda71
  10. 0x73cdbde63d4a3d8d82f87c643fb76dfc11b3ac16058790e128d008ef8bb84c91
  11. 0xcfb7b93f3158220cf2d752d544579cb1fbb34a9323ccdf841059112766a87449
  12. 0x5af57549afdc2a7e441674bc679508a1abfa5e7e9f02bd519feb4e488340ac38
  13. 0x4c1bb7805c28c99914212233f31f3f9b3d39ed6d0209166fbe8eb2e894fc9168
  14. 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
  15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
  16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
  17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON