addrbookFor publishers
← The evidence ledger

Evidence row 2606159

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:192004
Recorded
Previous row
#2605900
Body SHA-256
30ee815036cf1a632f3469a4b69ac6e7ee6acd0f00db6cb0f814f92bb7ae28b5
Leaf
0xa968412212a6dbc6883b96391b9ff0320a7cfa582bfccd84716274b8fa1b2e12

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3EUeZZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ac96947b-f523-4fb7-8e71-bdcb1e0e06e9/.well-known/agent-card.json"
    ]
  ],
  "name": "Klokander",
  "owner_address": "0xab40557b8f835df3e2eb6f12613adeddfe352301",
  "raw": {
    "agent_id": "192004",
    "agent_uri": "https://centralcity.ai/a/3EUeZZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klokander 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/3EUeZZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klokander",
      "registrations": [
        {
          "agentId": 192004,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ac96947b-f523-4fb7-8e71-bdcb1e0e06e9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3EUeZZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793721174,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:54:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klokander 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/3EUeZZ"
}

What the leaf hashes

{"body":"30ee815036cf1a632f3469a4b69ac6e7ee6acd0f00db6cb0f814f92bb7ae28b5","id":2606159,"kind":"listing","method":"sync.erc8004/1","observed_us":1793721263634510,"prev":2605900,"subject":"erc8004:5042:192004","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. 0xa96840774613090408082b31242736431878e7f78416a65fffbb006646b02b65
  2. 0x97f1ccc8f6edddb3cd29d949caabc8cef2b546430888228d90af11a2b4813d64
  3. 0xb93e2171268e842f7eb30ec857b665e40f42e3d4f1e3741f1268bbef2d43376f
  4. 0xc82906afe3fdb97b2ce50ec0eee3de8b46bdd68975b2bbb7831ec96cc971c9ff
  5. 0x4d19eea0d9046a5422c605d4c517ef23137534591e810f53a3d9707639e9f2c7
  6. 0xfe902ac38cd4b55541b8ac5cfde0b7558a3337f5ad1f5cb8f35b5ca28a005519
  7. 0xa33460e04cd47340b2e4e7898eb93d381e885c0b4a8783f604464f33fdc9ef0a
  8. 0x1af54dd72bec78a0c21a3b9537461f401702038d88ba949ba3bf28847e472772
  9. 0x6edaed1258c438393ed312bc0f5f8ca43c1d3ca5f9f095b0ce333bc451d36098
  10. 0xdd52662f9c3a19b6e9bf5c86305cf39d602524f1428399b10a4f20245af29190
  11. 0xbd4eb34f821c3bdaef5a148f4de34016e65c46becfa08ef61ffbacb3393bd216
  12. 0x68ba01882f8cd5f05331ba4c13ed1736bd385302dfe369562d8c8dffb411db04
  13. 0x072b3d17bb7341e0a6f5545d34c6714e6464c4add696fb4eda76427e86b03107
  14. 0x0ca6f7cbe9f26e47db97b53988aa24d0ac07d16b5a4d91abf869814d4d297de9
  15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
  16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON