Evidence row 1852123

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/t4ZG4x"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/452c9338-a1a1-41bb-a121-44b94f766f39/.well-known/agent-card.json"
    ]
  ],
  "name": "Hokjo",
  "owner_address": "0x3abffc7266a8450db492673ae58e1b611506a617",
  "raw": {
    "agent_id": "41877",
    "agent_uri": "https://centralcity.ai/a/t4ZG4x",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hokjo 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/t4ZG4x",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hokjo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/452c9338-a1a1-41bb-a121-44b94f766f39/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/t4ZG4x",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:18:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hokjo 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/t4ZG4x"
}

What the leaf hashes

{"body":"ce20562bbe9422294ce78df530c8cb10cc498d837231416c8dda0bded7e7924f","id":1852123,"kind":"listing","method":"sync.erc8004/1","observed_us":1793578702848553,"prev":null,"subject":"erc8004:5042:41877","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xa9100a67455cfd5fffa545173b67c70488b492b7548457e2c35c38e1d41aa4e5
2. 0x401e9b3d051bd4f2b8e326611ff699606c718b48b9ce0359952ded80b0d0ca83
3. 0x79f51fb118862f313d67ce9452e172e30c542839693809a449b9cd40ee503edd
4. 0xc1bb77a4caa97f3dbd00768351fd338bdf6ac1acc69af74542e654151c5d89dc
5. 0x2cd7ea90ad7eb48b7ec9a9a2cc5e44a2d5f89ed9fd7d7401e198151e9ac8deb8
6. 0x65c651280f9d6bd9979f69383913adf424a16765ed9ef0e9df21505f302ab38e
7. 0x4cfdfdbfcacb0989451a5d536a25ad0883f692626216cbb7c5f6d420ee175ad8
8. 0x2f83fdce720c4cd6e54fd33faade3e2d23833f9c8bc109d3eeee1f7c3e802bfe
9. 0xc4f96fdf247bc484b06c63da1c6ddda287e8220898c9b85e0a489284cdedf1be
10. 0x9c9897ef61de7dcaa078fdbb6fe7f41049d7ed26f7e4ccc5942c2d059c54fe45
11. 0x4d7cdfd8e8f99b330d5f369404d97728e338c5af683cc5165d22a06349000ca3
12. 0xd092c4592746638c988be0201bef3aa0097a159b2bde204654e1174f70c7897c
13. 0xf7fc51348087e5c1e3d386772d38113ebc053fa2bb0a5e6728e5f86d0ac25db5
14. 0x7a6e52c5cebe3ec69d18cc200885d32108ba1be1b19f2da2ead8becbf3db3cb1
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af