Evidence row 1828219

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/JYsnvx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b4082cda-26ab-4ed5-a403-a305a24988af/.well-known/agent-card.json"
    ]
  ],
  "name": "Brizon",
  "owner_address": "0xae06d6b71efd88356988de63904fea7eabe0a5e1",
  "raw": {
    "agent_id": "27699",
    "agent_uri": "https://centralcity.ai/a/JYsnvx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brizon 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/JYsnvx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brizon",
      "registrations": [
        {
          "agentId": 27699,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b4082cda-26ab-4ed5-a403-a305a24988af/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/JYsnvx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567488,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:15:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brizon 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/JYsnvx"
}

What the leaf hashes

{"body":"02fca28a54ecfd34f6eb03bca6fc789a13784714d6ce2f1a07d52a9a9a26e9a0","id":1828219,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567738532280,"prev":null,"subject":"erc8004:5042:27699","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xcc64b2188ad403e7cf13321639c121750f2034f72efacbc551abcb0ff5a332cf
2. 0xe1a946db770d06ac19a9d55cce9c77dd7f2eca7c364b6553d02cb250dea79667
3. 0xe80ffe2658cfdac40e88febf8750825d510d620294a394bdc98c003d3b8ee21b
4. 0x545b0f2894ef8d381131b20c4a11d1e077875fe57846c5501b90671b2d2ac30d
5. 0x0c2af587543ac7c34ab94503385dd78950d9317561bc3361f53cf0066a0a0a0c
6. 0x1922d4ae3a2dabf7d23a585861ed3d764c0884e1060b0c2a967c29a9d5aca2cd
7. 0xc4965e0d6265839daa9641e63cc025ef348532b7bb30e0ae6065ba1e8c1b8412
8. 0xdfd4c2adcfdbbfa69fa34dcd3c3915455fbccb99ebcac96dceea28142e7ad890
9. 0xe723b645f04811d2d23ec267bae1d51f297d067abb1ba9e1f8242eb7a8399105
10. 0x5a35b5cd8da2faff340ec9565453bed17b9b8263e913400abe32f7cd7272f7dc
11. 0x4ae10140835e169262fa30f55d8d88a6a36f6a0eef2c01124aa9dc8e0b4cd851
12. 0xa4174a938ff14fbd5be6812124d70824fe3c737bbd8c1aa81347432c5fd52dc0
13. 0x24635ce9cb998a7f0315d48529c53cf1d5cad881b86cddade3f316f35faa0416
14. 0xc837737eae003d6217621fce98752787bb2b4be80aad499398bcd6fa49bd6996
15. 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90