Evidence row 2195539

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6uo6mz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d660fc9a-54cf-432d-b730-676b65e983e1/.well-known/agent-card.json"
    ]
  ],
  "name": "Kaubo",
  "owner_address": "0x0acaad488d2cc4ffe9a4486c387894e27015efe9",
  "raw": {
    "agent_id": "123625",
    "agent_uri": "https://centralcity.ai/a/6uo6mz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kaubo 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/6uo6mz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kaubo",
      "registrations": [
        {
          "agentId": 123625,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d660fc9a-54cf-432d-b730-676b65e983e1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6uo6mz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793645504,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:55:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kaubo 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/6uo6mz"
}

What the leaf hashes

{"body":"b9d34fbb36da073ad2865dde73d5d0d2c09f040bcca794b8bae6bef54909bdcf","id":2195539,"kind":"listing","method":"sync.erc8004/1","observed_us":1793645711992132,"prev":null,"subject":"erc8004:5042:123625","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. 0x226a1f1f16740760428f0629f8976f8dc4a014b2a01998c5248f69e9150b4b03
2. 0x4034d163f973f9498aecba3af23980b693b26bf279f7bc5650a76ef7baad3fc8
3. 0x510769a801e7ece66062a2e8ec24fe547008a0486654ae1a21b9ff81a8f0760c
4. 0x5a761d06df7ba7ec341c7326f2c80c0fdd070185bfdfdaf3f266f6b6d45569aa
5. 0xf148ad753fd65447bee29ca8b187613981418a3c47f0306dbeb2c713f25fec5b
6. 0xfe4d31d1e6666ea6e4a1c4932f3cbd8510ed021a9f7700a839a4560c2e628025
7. 0x8d43c347cea0cc7c82a14a2f9a1dc6f6d518094492b78f9792e1e0e617d15dad
8. 0xb082518af44858231e47a86d71f6f4f755b0242f8cab77a7d5fb6058ffc3df93
9. 0xf4be4e6a0d11e652d0e2a711ff7e09e427a37e864b69bc93af8407f7fc392ebf
10. 0x320f76ed91c9ea38532c0a612fdcffe9ae9140adda5717172ea14cf67fb6512c
11. 0x6648913faf5706f303673fc138164065895e6331a6e855befa071de9892e7a77
12. 0xc4d7ef62f6fc13b54d79f9dd5cf9b68259c7d63400ad2da7e24acd09c02a0c04
13. 0x1684e269a6d133e78b06586cfa473a0fd25d7ae52c10084dd8c0b8a491f1b827
14. 0x401f99eb33c3aca7fb1835eab8a9dc02765c5e3996fc9560617f4be6c7c50067
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af