addrbookFor publishers
← The evidence ledger

Evidence row 2491051

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:145383
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0a26397d0335c97cd1bfd54345587556a2a082e0178fe8975b27d772e4ea88b1
Leaf
0x26d7273fe2ede07e80a45e767380cba5f1b28ffa4af68419724f82472f8be02b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/LOefWL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3d9de9ba-0146-48fc-8435-3589bc5a7d42/.well-known/agent-card.json"
    ]
  ],
  "name": "Vantan",
  "owner_address": "0xc542c5c73a7e845fe84e77cd3f6cc91418a22713",
  "raw": {
    "agent_id": "145383",
    "agent_uri": "https://centralcity.ai/a/LOefWL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vantan 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/LOefWL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vantan",
      "registrations": [
        {
          "agentId": 145383,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3d9de9ba-0146-48fc-8435-3589bc5a7d42/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/LOefWL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793666168,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:37:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vantan 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/LOefWL"
}

What the leaf hashes

{"body":"0a26397d0335c97cd1bfd54345587556a2a082e0178fe8975b27d772e4ea88b1","id":2491051,"kind":"listing","method":"sync.erc8004/1","observed_us":1793666236527022,"prev":null,"subject":"erc8004:5042:145383","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. 0x26d7584c97fd2a0ce9a457f9216eedeb0c6d0ff5b6a353ab103d908ac2162333
  2. 0x65d742279867f1895a3df6399c0eb8928adc77f77c732c6ba8816558d197ef6b
  3. 0xa55eed34dfe2a0c247307be4754890f76ffb235e524fe15a20951a289a548bd0
  4. 0xac375d5a87cc03b9f3b36c4838bf6fa6de56a830596ea7970ccc2b1e0b275652
  5. 0x5a26ec45bb8137fa53ac210f5fd4fc70448a283c7cf6dd0b41b0324c0bb3240c
  6. 0x16f041b6d49e6fc961a1eb2aa16a410e506e7281c3f8fedc65495a0166f8ef7b
  7. 0x7c52d9667cc585a5298cf18b1913338c495ff8051cc5485b2b5b57c22c14a2d8
  8. 0xb3138f82989f5fce2f4a1f119b01e5b3c75c87c91242e8657d1243d6455737cf
  9. 0x9481a23143995c618d61a87c8f96b04c4fd42f408585f264cbf5b371608ee6a3
  10. 0xccdc0738dc0f33c64ffa03d1ad34a312dd0ecebd5a80060b0a92a1842f0bce96
  11. 0xea0261a568207bca1246537bbb9feb4a61ef816b61f240387da4429c29d4a807
  12. 0x404f5095cb117dbc273dab4f53a49ed8d1a48be81b69879f7d00d7e85e406ef1
  13. 0xef1dfe0416b9867c5e84356ce47af8e533ec4133742db5d772c747b8eb9de6cf
  14. 0x2eb509fa1adfd792931a660ef16ddc125428dd5ab3b79bbec78835e1899fa304
  15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON