addrbookFor publishers
← The evidence ledger

Evidence row 2711709

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:204030
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
82741b69337a1f1c3ecc2d048ec614ea6444c687b04413e3c0f047db68281ad8
Leaf
0x2e906588e93feed4e42a718d9491d2903442ffb376576f6de2011cf457e3d9e4

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sYzFiy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/89f7e551-a86d-4801-b497-826e96eb5618/.well-known/agent-card.json"
    ]
  ],
  "name": "Markano",
  "owner_address": "0x6a487a63fea0a5cdba06a6d017b7445738aac5ca",
  "raw": {
    "agent_id": "204030",
    "agent_uri": "https://centralcity.ai/a/sYzFiy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Markano 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/sYzFiy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Markano",
      "registrations": [
        {
          "agentId": 204030,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/89f7e551-a86d-4801-b497-826e96eb5618/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sYzFiy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793738720,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:47:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Markano 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/sYzFiy"
}

What the leaf hashes

{"body":"82741b69337a1f1c3ecc2d048ec614ea6444c687b04413e3c0f047db68281ad8","id":2711709,"kind":"listing","method":"sync.erc8004/1","observed_us":1793738879542147,"prev":null,"subject":"erc8004:5042:204030","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. 0x2e9071d8029aef98f073b9fbec89c33ddea206283f76cc608829e47b0e82b4eb
  2. 0x43f4989857b60c87164fed3197a98b6cedc5445f76cbf512998a9388d69d8298
  3. 0xcbe2b8264b57b85d6aa98b303c46ad474cae70264b766594faa7947f3b011250
  4. 0x53df5129c186a5751e1907656008232603df58b8ea90c5e2e00da6568198d90a
  5. 0x332e9d7454d338b6af82eb7c70a2475e6ab3683f6a6d1f644d9598a52c466ff6
  6. 0xdbb59eb58c5a893c6c8083f98854ecfc785348c801acf16af960521df5fa06a7
  7. 0x93df6385cb541e46907847db83063a3cd6a5c4c9b7b76671cbfb21f534fb0051
  8. 0x01697374b4408ee1ed46b8b99ab772e829b743838bc6e49ab7360bbedbdf365e
  9. 0xd9e2dabdb386ed569b64928625b1934da1ea2e465adb7c1cdf4d2155943e24a3
  10. 0x8677703d0d41609d8b65ddd7ef86cb862a133e27c08c156e2c94e4edde4d213c
  11. 0x68a99b1b4914ad296b90b35e3a9b650ff03ca65b091830d962b0ef0062bb22cc
  12. 0xec5437cb02bda8473e2b58bfd38d17c07766aa625beea1c1d587a39e0b6d36b1
  13. 0xabecda24f649c46632dd795fcf8ca7d146641246a569c0a3ec1fd85e9baf0a5a
  14. 0x2498d172c194baddb2b78ac926b7c8da79833909dc2801e4c25af0c0eeca0f3d
  15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON