Evidence row 1835250

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/CU88Xh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2af8e004-f193-4939-b39a-b26434528179/.well-known/agent-card.json"
    ]
  ],
  "name": "Viampeon",
  "owner_address": "0x372d9339180f87f58e28665b0dba62c879b912ac",
  "raw": {
    "agent_id": "31784",
    "agent_uri": "https://centralcity.ai/a/CU88Xh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Viampeon 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/CU88Xh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Viampeon",
      "registrations": [
        {
          "agentId": 31784,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2af8e004-f193-4939-b39a-b26434528179/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/CU88Xh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793570770,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:11:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Viampeon 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/CU88Xh"
}

What the leaf hashes

{"body":"503bec657701502a3f25d51e38c1540cc0821c416eea5d28f09e1696e534d30b","id":1835250,"kind":"listing","method":"sync.erc8004/1","observed_us":1793571118637106,"prev":1835013,"subject":"erc8004:5042:31784","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. 0xc4ab340df9500f065907df7895a0b693c5e44322cb58fd60d1c7fa0de114817c
2. 0xfebd39f753a2d12860dd38e711242f7206efa35f511a853fafa266d53059adec
3. 0x18e034dbca16b5db8308e97723a635147cf258098b2cb26b2d7295d65b796d03
4. 0x6289339e72c2a51d8ec113aa0fa3ac3c5e03b31389e479215b2504db63440cb8
5. 0x6e8aa7766d87b7c0f2a1ba24da9d485297de943a9eaece681758a53697c832b0
6. 0x73a29ffc20bfcfdd4be7a07c29242ee788a6e4105b67a89adfadd182cf00f30f
7. 0x5ee4040d3788b47f2e004737112fa9d79b855e4f6fb4a534764e377041f5c24c
8. 0x50294157ed0fd5b85f882526f44d1d3472583d7a1d9e950e768d59211787c343
9. 0x683e25fb552a11398d35ff61a63f0072681208028db30381519716e6a8455a09
10. 0xb569d3763d2df0f64d1f1b7a1eee0e519bcce95754baabddc68c7a29919b7af0
11. 0xe6a261cba1ad1eb2aab5d624bd4b22ef550feab3bd1bbc85310f237f87ac6b27
12. 0xd5ca92b6f641bfd600c48f81eea331e7e66b80f69968a36fa6367c54c06aee80
13. 0xefa31efdf607e8d04b8c9fc919db78fe5a26a3ddbd6b0e7563c8ca73dc801298
14. 0x5da52d6bfc8f88d79ebced4b6bebec468f5c2d8a21c193d44e901c7a6ce7941e
15. 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90