Evidence row 2668811

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/eX8Tb0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/18a572f8-1f91-4ea1-89b0-0aa1a5c0a68c/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiondisto",
  "owner_address": "0x4dd74208f5cb2c09e42798c91d2d3d1ac8496fb3",
  "raw": {
    "agent_id": "201472",
    "agent_uri": "https://centralcity.ai/a/eX8Tb0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiondisto 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/eX8Tb0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiondisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/18a572f8-1f91-4ea1-89b0-0aa1a5c0a68c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/eX8Tb0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T19:46:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiondisto 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/eX8Tb0"
}

What the leaf hashes

{"body":"e4d86295d34250e2678e351c742528a72ddb6647fd42d4714be056f57b069591","id":2668811,"kind":"listing","method":"sync.erc8004/1","observed_us":1793735175947310,"prev":null,"subject":"erc8004:5042:201472","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xc6919f137a288eb4e2ea30784bede9589b3d3b62bb3815c89aff742cf10cf50d
2. 0xa477712838fa7c0b8ef9a6c1c561d358c4184df6b86731ba8dd9673a1e76191f
3. 0x2b53d61f4918433070bb60ef6c768fdccd70ec10c6bf1f8ec6c3ab152bec5985
4. 0xee1843e3c0806bb31bb26c102e7423b8c69eeab537c8285edde01462414af312
5. 0xb320b1267ee151472badc0aa974e66762f918742cb4d2995e03ac1493f49543e
6. 0x18876c1eeb822ca0646ecc9fb9869cf3ec1195200d292fefc48460f9d4999db3
7. 0x3333c8de09455c23da96c9fc86903d78e6dafa36c7ea02a797ad57409c1cb393
8. 0x046dedd63f6c8eb325f0e677ceffec7d7630d38a444b40bc28edbb87c72bfbb4
9. 0xbd02cd0655119482a2a19ef74dc1d08667bd34ed799867b42a7d4b777083dcec
10. 0xeb485edc33b64831dc105c5d1d40e04e482ebc229f3e318e20a5ac4b3b154a95
11. 0x7bfefd24501c2c6af7e800f88ca497f0b98c72f350dc85f76df36278471adcf1
12. 0x5ebe875d6aebc51be5522752def849168c541cc2f9d3c85743361d33f3453eea
13. 0x757c81f4c079ccef5ee9694c28de1354dd783331e9778583284b2bcba45c4662
14. 0xad3757a4386398bde7b5dfd7d1ed0d8391a8487b9cbded422b75d61d77ec3baf
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7