addrbookFor publishers
← The evidence ledger

Evidence row 2518754

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:156177
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e85aec334c08e7d0ef077810b5a988d2a3b20f72b4253dbef1fd380b510768ea
Leaf
0x30286c76e184c7898c57dc20b761e9d22fcbf0cf64d6f168c95c035b79dc98d2

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Nbdyuu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/13d4311f-6ed3-409b-a244-fc7253857a29/.well-known/agent-card.json"
    ]
  ],
  "name": "Hausert",
  "owner_address": "0x06b644d0958d4dfae3aedbd7ea60ef5023eadc72",
  "raw": {
    "agent_id": "156177",
    "agent_uri": "https://centralcity.ai/a/Nbdyuu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hausert 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/Nbdyuu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hausert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/13d4311f-6ed3-409b-a244-fc7253857a29/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Nbdyuu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T03:56:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hausert 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/Nbdyuu"
}

What the leaf hashes

{"body":"e85aec334c08e7d0ef077810b5a988d2a3b20f72b4253dbef1fd380b510768ea","id":2518754,"kind":"listing","method":"sync.erc8004/1","observed_us":1793678195461102,"prev":null,"subject":"erc8004:5042:156177","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. 0x302854f99403e36ebb3f11ed948f180f9ae6d9ee7a2d6652abd7012205a46f67
  2. 0x7ed2da0874e6179fea6b97caccff1fe2a5821793eae6890b540fdec5fc70c060
  3. 0xc55eb14953f8b5b5d55a885d8ea0c669577c13c027b442e428ef5e6955845bf2
  4. 0x83d51d938021dd73846f3938fe76fce6ceae279ca22650f564cb2b454b1ebc9d
  5. 0x3a3d82bb5006b84266e4b3646b42209137c3e56bf92bc33fb4e83512476470b1
  6. 0xf9a7e3c9602692c7665690ba6184165ef6f33bbef640cdfb543429e8ce407242
  7. 0xef3df3bb7e5cfb1636e03408e0779fa270dad8021f011131c49debd8c21b7226
  8. 0xfb14ed02b323d85a6da7e9f58e8d102e3e454c12cfbf0dde48d42c081af88fb8
  9. 0x2119e798ceaee3722b20955497f8bb2bc42c1a385b0ea08d0ad97af45ccf00d2
  10. 0x0d9eb153c9cf4c8ec57088243662faca3206c87f191ba2f95f795f038d662676
  11. 0x1d9f321ef4e13069ab260b603bc094abf8fcb1c0d9a01304258640a640ded1a4
  12. 0xae2f2873a88ca5db58107135725dc5d5c62ade72fddbb335579948add9e9e7f4
  13. 0x2f64dbba88ce60f5cad9ef597b99adbf687838c05ce885ed581fa95aaf9b1a3f
  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