addrbookFor publishers
← The evidence ledger

Evidence row 1849476

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:40329
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1843240675fc8b6ea086ea9207249293ab9dcb50266aa6b6d0866f0230c1930d
Leaf
0xbbadc685dc424598e330a4ecb0b4d3ed5976844f153e40fbcaeaf2b9c4a53c2b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hj9UA9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/86c6f4b7-53d3-4455-8a24-4d12446c9cfd/.well-known/agent-card.json"
    ]
  ],
  "name": "Sintero",
  "owner_address": "0xc61bde0394984f154e12d5834e922d44582b48c7",
  "raw": {
    "agent_id": "40329",
    "agent_uri": "https://centralcity.ai/a/hj9UA9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sintero 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/hj9UA9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sintero",
      "registrations": [
        {
          "agentId": 40329,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/86c6f4b7-53d3-4455-8a24-4d12446c9cfd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hj9UA9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793577469,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:00:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sintero 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/hj9UA9"
}

What the leaf hashes

{"body":"1843240675fc8b6ea086ea9207249293ab9dcb50266aa6b6d0866f0230c1930d","id":1849476,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577651985570,"prev":null,"subject":"erc8004:5042:40329","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. 0xbbad5095a803b83940c255a62a413dc22ca6b99b334f78ae2ee807649a63c7c2
  2. 0x0bca8ceb46564998a28693ed71d78a7bc88b4371e1d88aa8c2f8edd4d1e7c85f
  3. 0x58770200d15d70d3d838d528b82a58cd91c41ed1400da577c18a6e3f6fcb9717
  4. 0xcf81062fbb40517f784477a2af6eed902ecb635a2f526cfc141cfb2e591ffd98
  5. 0xda443dfd5a30074affc7f72d4aa7e56fa4763ddc8b29ec4b5946f58e0d8f154b
  6. 0x8dd724a9883a7809d9bce7765fd5b9879fc443fcff7f44657d104a5219f12a7f
  7. 0x5d0cf38261741339c54512a9c5297fb37bfa64467f571b04c6edc3d7eb1ea24d
  8. 0xa6df32509215f3a75e391efbe857f0f745cc94c765a10bb71482e3d5439a823f
  9. 0x6ddc58412561d62512cbdf0a494ea53d59fe63f48562eb4bce18cb46b47ebcb9
  10. 0xd9a7c4279fae82c814e559b20f0703127d0023acbf7ec3d836b0dee2fea47078
  11. 0xa096acd13e4401f402a610487f6a4efc1ca5b51db14b6209eb47bd0c5abf1d65
  12. 0xe58525446254d2108eb36448d0c82e228b172272ca44d008f01d5ed4cf747eac
  13. 0x626fb5c7d656fa8c4ab162a898cfff0f195757f6cb547860059c20e431ef93c9
  14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
  15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
  16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
  17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON