Evidence row 2994737

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/saFMrF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/74fa1757-2b76-41c3-baa4-0dc54955dc6b/.well-known/agent-card.json"
    ]
  ],
  "name": "Biokano",
  "owner_address": "0x60a8f6a4133ce19da9717b8a5eff844dfd96013c",
  "raw": {
    "agent_id": "243544",
    "agent_uri": "https://centralcity.ai/a/saFMrF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biokano 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/saFMrF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biokano",
      "registrations": [
        {
          "agentId": 243544,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/74fa1757-2b76-41c3-baa4-0dc54955dc6b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/saFMrF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793790059,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T11:05:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biokano 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/saFMrF"
}

What the leaf hashes

{"body":"671cd3613a0e3da8a67cd22a91b68ee1c73e3d8c294da34839ef5f7868d23fc1","id":2994737,"kind":"listing","method":"sync.erc8004/1","observed_us":1793790307403064,"prev":null,"subject":"erc8004:5042:243544","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xc8ae9e186b1f71a2161862d012add2f187ebc4de54180ececd15006beebba379
2. 0x331a5ab83912074bb5729af4b455597e1f86098611f2e5a14db96d4c715dab16
3. 0x3343ad00a7ca731940cd2325ebeb26bf04c85286d23e23919cc9e1d40177991f
4. 0x070716f0e8b9a0e480c20fe17c76a9c06f8d8056dbf60b9d3d882f74d18a2266
5. 0x5eb6b5958d696735ba6b3423ec719b8005e1c531600452946439e956ed6b8262
6. 0xf68d08f879b73025cb9747614e385d06f8ec5d9b79fdddba55a49eabd08961a3
7. 0x68fb0108b8ecc634022a7d0fb3e9831b3de2b678f3c9fba03090c337f17cd6c5
8. 0xd2e92fea9721d85901363194872c6d30d9500e93e6ab1e0e592c2743fd8ed8b4
9. 0x5fdbdb7091d90229e4c6fe09d87442ecea482374451a4592d859a806dd732c54
10. 0x69349ba728f7455960272a26011a00fcc942b3963b00274ce9eb061bc9a61ec2
11. 0x3c56edc432850043b52acfe968399f6853c97a45256aba26d8a99e0c249090e2
12. 0x6aaa2a689c83ead51ff3e19f515aea8059782b585ddf1f95d3887b3a6ea2f5de
13. 0x47b695342d1ff603ef448d2b6064dad9c6bc657dc08e80d74a4638d529397425
14. 0x90012fcf29099b73d24dc68936adf2b2365bf0be4f4ecef52e4c03a41113ab4a
15. 0x90983442ab42e700d20428d242c4145406c7d45f3761d2e64f4fe48376715c6a
16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345