addrbookFor publishers
← The evidence ledger

Evidence row 2707702

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:202188
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a3fe59f927afb95d2c45877882fbb7ddcb7dc9cfc5a73d7d6f3217c4e1aedcbb
Leaf
0x0a426595ccd54997c6cf297ae004709509d93ece27deba8a98fa142ed19cb647

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/egO7ru"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0b11561e-e41e-4bab-ae0b-f70303935e40/.well-known/agent-card.json"
    ]
  ],
  "name": "Goban",
  "owner_address": "0x8420cb746c3f2f7fd05cf50930b4c5f278aa5165",
  "raw": {
    "agent_id": "202188",
    "agent_uri": "https://centralcity.ai/a/egO7ru",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Goban 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/egO7ru",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Goban",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0b11561e-e41e-4bab-ae0b-f70303935e40/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/egO7ru",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:03:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Goban 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/egO7ru"
}

What the leaf hashes

{"body":"a3fe59f927afb95d2c45877882fbb7ddcb7dc9cfc5a73d7d6f3217c4e1aedcbb","id":2707702,"kind":"listing","method":"sync.erc8004/1","observed_us":1793736208160679,"prev":null,"subject":"erc8004:5042:202188","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. 0x0a42b2b302c78623595b7dd369e429c087396b8c204eaa6a2933397d2b709d88
  2. 0xc2d72b3962679db89ef9d2453c32f0d57094f52b04a74a1ee0a5d78bb6239d35
  3. 0x71bc24e79a816790daf79b5d8afd77808684e8006b37be51d4dee527878c2cda
  4. 0x0a4f355d79e760163a01d33481e7b3e9e2fe40059f2540035f70011af9cdc222
  5. 0xd5fcbbd06283da3862423caa65fd3c8368b5d15622cf9145c3dca436e45405a0
  6. 0x90cc6baf31be32a7c21a69694d4c6e2e77bb8e433d861d9ee87f61d00b67c4a4
  7. 0x5be61cf9a603549ab0947a894917152e4de1739bcf6c2287dc1139e0cc17a327
  8. 0x90e4adaf073ac0ebf2cd436d936b9a0c4763e23a347b5772366134d215b13520
  9. 0xf129bcb7b3c0ef8833e7afd1557eb424761071a943c5d2affaa5370afa9d472d
  10. 0x8da61891cfe542dc1a0c3369742794ec4f5cd2e02066a57e2b0e60f91325c2f2
  11. 0x64a573459a5d7c396f2e309be2fa8794e34ec63768ec3e954efdd8f69ef511a6
  12. 0xc684de9fa4094ebc43f571cac3c9c0a908ecf227e27f0d3ebd806b77893c24db
  13. 0x77365e277a66401435f7d6ef2c2f391eb8bef5379137ac42138864d25b1fc624
  14. 0xa495b842d8f7d8efe4285381f8b862b8ab4fec0bfe90ede1e0c66f9fad72c871
  15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
  16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
  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