Evidence row 2604809

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Eehjr5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1a4265c3-9002-4136-a2a0-babe33bf1c6f/.well-known/agent-card.json"
    ]
  ],
  "name": "Kossa",
  "owner_address": "0xac98b87cd8faef245ee127d51f6584bdffe65de1",
  "raw": {
    "agent_id": "191316",
    "agent_uri": "https://centralcity.ai/a/Eehjr5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kossa 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/Eehjr5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kossa",
      "registrations": [
        {
          "agentId": 191316,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1a4265c3-9002-4136-a2a0-babe33bf1c6f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Eehjr5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793720076,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:37:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kossa 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/Eehjr5"
}

What the leaf hashes

{"body":"451a067b024f18f38879f8c1b67ea7c9e7f4cd6eb13f9191dc4fd48ba3a26c44","id":2604809,"kind":"listing","method":"sync.erc8004/1","observed_us":1793720262096210,"prev":2604611,"subject":"erc8004:5042:191316","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. 0xecfba01f472f885789e77f5a003abf0c7eb9b8aaff88f5f6fb7ebe4795fcd40d
2. 0x52cb0f570bb713002bc65c81b679c800b191e249c7fc45bd0cc46f4b6f78fe42
3. 0x353ba4c98274671a7c5864700418a032503fde0e74d7fca0eafd50a27fe975e0
4. 0xc4680191b6c7dd7ab65b67b352bc57a1e0017ba9ea6ddc9cffd49c8788ec00ed
5. 0xc9ff084d9140b3472a841dbb708442226bf5e8b4946dacf132e8dbec920b557b
6. 0x7a5313602e0db451ef2ff9eab7a7b8696296a15c9fa5e09e76c44e85212bdff9
7. 0x69e37e1dd19e1608843b040f5733e54390383c34ded3db80330a3ba85a65af8d
8. 0x43d823245848f2dc8159fd55dad1ed414b7e4a10095865d3a09dff7efc4453b2
9. 0x7b0986fcf5f761253911104b41802b110f7529931afdf5c3832abf3dc06ed826
10. 0x6f91166e6e902b5b530c5f6707389e1077de8063bc49431f6a033ba9700f09ac
11. 0xaf9c0db04fe42689dbde2c86141826b7166eba91e2c50272782f99d94eb41a6f
12. 0x3e14a54c6a439865af5ed15784a9e7980e57d2191e4f764053c87eab828b7071
13. 0x01e9de68aa9b43892927b1c264f77e0ac05047278992dbb0b29801b5ee9c6fd2
14. 0x2548979bbd7b1568b5a14db6fca0201979c48165192f2b55f45fa21471031e4f
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7