Evidence row 1837683

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NUWftC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7d1d1903-c8b1-468d-bd00-b53f9dd1843d/.well-known/agent-card.json"
    ]
  ],
  "name": "Brirkik",
  "owner_address": "0xfd950ee3beda0ec1f6273f8d944483a88c816cd0",
  "raw": {
    "agent_id": "33397",
    "agent_uri": "https://centralcity.ai/a/NUWftC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brirkik 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/NUWftC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brirkik",
      "registrations": [
        {
          "agentId": 33397,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7d1d1903-c8b1-468d-bd00-b53f9dd1843d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NUWftC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793572048,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:29:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brirkik 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/NUWftC"
}

What the leaf hashes

{"body":"ae3fe3cd9cca284476166591a8785a211f63954b257c15125ef2cc8edcbe7de6","id":1837683,"kind":"listing","method":"sync.erc8004/1","observed_us":1793572159736150,"prev":null,"subject":"erc8004:5042:33397","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. 0x8209b8e1bdfc24307c0668a155542e73cc294243d1e18ce040decb5d2924a36d
2. 0x4304ab6e4b54d1609a3ac61885ad27892a3e8c6e876f48bdafe5bc0bafd07103
3. 0x7cd834ac5db076c89c957656b12e333fd90eae1edf0b45afdc4fa16529399c85
4. 0xb81e2cc80fcb058281b53cd6a8b529b8b34cda8db39132dd2f5d1a52c41e1e00
5. 0x66d45eeaa3016cbe1f9d56a03f5073087c8b73778c8489f259f08e21d15e0e54
6. 0xfbf583535b8902ef0686e4e94f8686d5f3c07d3d1bda933bdd0695d75c221710
7. 0x471624ce5435c1605fbdb37fd932a32aef31a798abeec2ccf5400fd740646921
8. 0x3c4833c116c4f1574eb69a9c095d7aeb470ae7bdba91a3c1b396650230e30311
9. 0x6190011eff1054059badb4ed3e55326eaa8f9048253fda156ea5af019a290ae7
10. 0x873831f5ce918f565ea7ca4d58c071b86e2451057cda3740a648078c182ca840
11. 0xbea523039fc6efbddaca597d24392f6e8fc3343451edc8d669d516f7a6fd6420
12. 0xe4ba6ed7f762b9a3246079bfb2f5f5d6c59cbb6756bb0b0058e19ec599ca5a64
13. 0x00e98613e718e0a689d577344d6db5596ac046beed8ae3ddd822ec8ac9c9cfdc
14. 0x19ce574eee56ae085b2ab0004d191db3debc9d29cba2d71de21a8710ca8151ed
15. 0x3950a937c3f98cedf9cbbc2f8905c10e3aac8ebc54b1e3468237d58bb254c496
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90