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Evidence row 2721656

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:208630
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
56c83c3883c8b1c1553af5a86b86f89e05d7b058bb17baec259d89829f27a251
Leaf
0x740d15440c5278a95967257d67582362a396db86963b3a63102e31b21d2c83cf

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QwBTIB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4a3a698e-0c8c-4666-850d-37f0a6aa9e68/.well-known/agent-card.json"
    ]
  ],
  "name": "Klazik",
  "owner_address": "0x80a8cb49e1a7b6bb6bb217bc66d24edce2455aa5",
  "raw": {
    "agent_id": "208630",
    "agent_uri": "https://centralcity.ai/a/QwBTIB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klazik 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/QwBTIB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klazik",
      "registrations": [
        {
          "agentId": 208630,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4a3a698e-0c8c-4666-850d-37f0a6aa9e68/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QwBTIB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793744670,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:28:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klazik 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/QwBTIB"
}

What the leaf hashes

{"body":"56c83c3883c8b1c1553af5a86b86f89e05d7b058bb17baec259d89829f27a251","id":2721656,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744939035024,"prev":null,"subject":"erc8004:5042:208630","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. 0x740ccadaa980292bbe7d6492997707067371e159fd664ddd86aa6f5b3d46a281
  2. 0xd4a211193a056a7662d786845c4494f4e7071b771073e24a492c06d7eec2aca6
  3. 0x986dfac87fe1995f67c1f9e615bd2e2fb7c550f8a3ca7afd90a0c6a508721f19
  4. 0x9d305b4e9d424185565948b04df8a4ec6cb65ed712340116f093829e9910c991
  5. 0xe404cea4aa82f1a7f2a82ac43623dde7a09eac5813571363a9551fe9093dfe38
  6. 0x7f5d7e8ed994859df79a7d3da03210cef0f7a607241461942124130686e26537
  7. 0xab864e7ab2354401d1db1d9fc6234bf9babbca7c06bc118a6bb33539468e1f76
  8. 0xf66ddf7025037788b1f2ed6c5208b5f9cc16e535531920a18d5634d9aca6baa7
  9. 0xaeef166bd8d06f8c7a8c200591e2f643d1355e9c50a53888e9e5aa7b67ebf512
  10. 0x5400c343ac01303f264bbb08d597b6dea3e317b809362e3449d62561c3ddfeba
  11. 0x0ffa34a17b1cae8298e8209dd9bba6dbf5f624a591374dc19a823748c14a10f6
  12. 0xbfb5b86c3732e3821396df788c25997c105ee933690649fadb31f13174f0bc9d
  13. 0x0a2166fdbd0fb119437aa5c587d6d76eacdc831e2e2d305db6de877994a9e71a
  14. 0x8888e0d25075a71372832a4a34d226613212be78f7f52e7bc201b28be0cf3c7b
  15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
  16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON