Evidence row 2158103

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OX7eou"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2f3326b9-5ea3-40af-83c5-840135413d58/.well-known/agent-card.json"
    ]
  ],
  "name": "Bukuvert",
  "owner_address": "0x124792c2e3040b07bd3b067395e28549b7f83699",
  "raw": {
    "agent_id": "104856",
    "agent_uri": "https://centralcity.ai/a/OX7eou",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bukuvert 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/OX7eou",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bukuvert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2f3326b9-5ea3-40af-83c5-840135413d58/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OX7eou",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:45:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bukuvert 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/OX7eou"
}

What the leaf hashes

{"body":"75ccb9366948e96430201a5b05d3ac3ba54336f03b1258ff14180779e7f62219","id":2158103,"kind":"listing","method":"sync.erc8004/1","observed_us":1793630711181451,"prev":null,"subject":"erc8004:5042:104856","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. 0xe45a210f42c730067a0af92de17052148686dfb263f7fd1907d43bbed275de13
2. 0xe35db5fed5d2a83aa09a11d175d05758a141db8b628e7c9f4746324d3e98b07e
3. 0x21d6ef6a416300fc627af6aa0d89864f5af978bc8a69863602d53c6172477745
4. 0xd45552ce473d6d19d7a4f8462161ce2b8802c9da238de0be5e35521fd51f096e
5. 0x6bd6ba63de081759d70b0d7450566a227f6004f28ee9fdf796eb70973a0ea604
6. 0x6b9461069ea6fcd7443596df1857cceefaedb99f927767db7a630ec3498e282d
7. 0x0dd048b26c96fc752f00e7e0aaa329779a2f3a58cba6fdc10489ab5d5460f6a3
8. 0x315fa0112d2c0498424e4a933837a2455d034f7e1a9bdbbcd4b6f3eace3aa4d5
9. 0xce47f0b4b70b7e60108b4e194ca5d00d9bc2741c83b2d4d25e1fe2b23cfeff77
10. 0xd067d2a3fb0205ae430314972d29795e777d38db315df596f6576650017eb4a3
11. 0xcf1656df47779b123d1f86c1f7f8f7586e0e8f27f4bdc7eb3239bf76a8cd8ae9
12. 0x22bf176b50c1376a81c95eb70dd7c6a4714266ec78d08fbb68be60b003a0354c
13. 0x5dd9fbf811b05f3e5af51f812b6eea86a039a192f115aecc0fd37a502e3a04f1
14. 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af