Evidence row 1839200

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/W2Fq5N"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7b8cd022-2e8e-4df8-8c54-34ba776d0020/.well-known/agent-card.json"
    ]
  ],
  "name": "Kosto",
  "owner_address": "0x901f57aee8b8eea50903e7a5345cbe2f01e2259d",
  "raw": {
    "agent_id": "34318",
    "agent_uri": "https://centralcity.ai/a/W2Fq5N",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kosto 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/W2Fq5N",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kosto",
      "registrations": [
        {
          "agentId": 34318,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7b8cd022-2e8e-4df8-8c54-34ba776d0020/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/W2Fq5N",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793572783,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:40:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kosto 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/W2Fq5N"
}

What the leaf hashes

{"body":"4ac29a438f4cb7e9488f8dee4198152ce77a472c1b60c599fcc95fcd901917ec","id":1839200,"kind":"listing","method":"sync.erc8004/1","observed_us":1793572843188867,"prev":null,"subject":"erc8004:5042:34318","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. 0xcc3286be46aa8d44654361e04d097ea2e40980bc46cfcbce86989136fa2568c0
2. 0xa172e07f25334155fdeecf3fecd95c398af2f92cd149e6ee3892175c1bcd5c07
3. 0xa0014615524982bdd8e6d79407a62129845d7cf59ada5d510e98795e2e1b69f0
4. 0x4c5a151314071685dc26334f426d6b8e14dc00a875d3361de0700c02c6841322
5. 0xee82f8f5dfe0279196fc2a814913fbbc46d3aa96c29c8b04f15e6f5a7d13f04a
6. 0x3cb5add7b603ea0ef46b429b34cd81a12f1fd638cd414aa437e164156d12d035
7. 0x200e7b6218ae2fe522912f077c5d396ea74087365f1d29bc187a74d653f085cc
8. 0x69dadfff4b973bb7b44f78d52cba72636e513a95e1acebd99faa777e0b53a963
9. 0x1bb6c8cbe50012fbd717f79a82ad2c2c63f522c5350ea42cadd71cfb0338ee53
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