Evidence row 2557034

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5AgeE7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b8def354-8f4a-439e-ae09-161cd242d891/.well-known/agent-card.json"
    ]
  ],
  "name": "Buko",
  "owner_address": "0xdc07ec8bebaa33eca2675d906357ea719086a16b",
  "raw": {
    "agent_id": "171588",
    "agent_uri": "https://centralcity.ai/a/5AgeE7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Buko 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/5AgeE7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Buko",
      "registrations": [
        {
          "agentId": 171588,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b8def354-8f4a-439e-ae09-161cd242d891/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5AgeE7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696331,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:03:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Buko 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/5AgeE7"
}

What the leaf hashes

{"body":"b25960c23f37475890ad57319e0d24b5f1eeebd849bb78196bc9de5f5e2c0358","id":2557034,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696598405035,"prev":2556743,"subject":"erc8004:5042:171588","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. 0xf3e96272b6e59dc1957c9dcd4b7487f71d9e9eb52eb5f70770817cba479b3ece
2. 0xdd57bfd80e02dfb1058a9f0dd18ca0c852f615c401cc3f9bcadb6147aff51b5f
3. 0x760c53b7bd341df2879bd2596837910f44d84b99c04d3fdae422bb8f7d464a37
4. 0x406fd466c9c3fc55a7dffdb8285cd524422ffc2220b597a5a340e7f61fbe4f1d
5. 0x24adb351dd62371fd4519cf9c6517db00fa3e135a85fc773394d7cee1d46677c
6. 0xe7ed67afb26b6914e5a3bd3343cde387a139819d61892231d30b365fcd0d90ef
7. 0xdc179104dd33074cd1ed4bd230f70af62cac11886f08fa4406e1ee669a725801
8. 0xdd404c2a49ec1dd9be111af7cb61767e896cfcaf17da7ed435f9184951189c7b
9. 0x999f9dfe580bed2f141f648e5116e1b53a2a2e258673d02e37b85849e4401f97
10. 0x16958350803a3cf90abff80ac1edffc8159b57b09a3527dedf61d6ed8c452b00
11. 0x447c0c370405a7cd5bae61ede97226fee9e3daec26fe4914c576f16c9a3cada8
12. 0x0d5cfc88bbad0c4b40a561ea1060fb7093bbc663a0c9b1ac75a449bd2a0fe549
13. 0x0ea954b95dc4e26bb21744a0d424db9da57e2da18185ea0406675355cc4a2429
14. 0xc456b1c820d564945f129896256bb07afc74e79940a2da0ea6e9440718d856c7
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7