Evidence row 2154014

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9fbhyo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5ce68e82-b287-4775-8ee2-cda182410d7a/.well-known/agent-card.json"
    ]
  ],
  "name": "Kampeon",
  "owner_address": "0x115edeb364da16a36ef5d13f84413db5cf10ff14",
  "raw": {
    "agent_id": "102624",
    "agent_uri": "https://centralcity.ai/a/9fbhyo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kampeon 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/9fbhyo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kampeon",
      "registrations": [
        {
          "agentId": 102624,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5ce68e82-b287-4775-8ee2-cda182410d7a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9fbhyo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793629017,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:20:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kampeon 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/9fbhyo"
}

What the leaf hashes

{"body":"a184fbd2bb22775ecf36951f80f959adc88ec9f8f2e324d0fe869a07b838d497","id":2154014,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629256225681,"prev":null,"subject":"erc8004:5042:102624","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x8bd3a19971d714624a8d78794f05fa40feb1cf8e3e53d28e3f663fad24b7a88c
2. 0x730d252ce1e85607f6317c1f730ebdbd4b5ad3e4c779215c53a80268e2dc3bc4
3. 0x6a7b7c94fd608de804921c72ac52d31f0281744710a1b2bb4ab86c0e0b054a7a
4. 0x290c23e2445ccd99d876b66cd9ac48dcf04d8eb3c5229206669cd78452c546c8
5. 0x852a80659466b250b00c07f62e5ff6db6b9c73c2d4c98e81296f586eac836a5b
6. 0x406d5644ba51bf7e58977807af1081335954873e6b5c3bb451dda37297f4065f
7. 0xd9029218cf5c1c2496ec1f5e7f66f0a0a41a71ace0cc4bda4256a58a35475e5b
8. 0x168067ad131166b0339961741f679faee60899085fc7e2c1a7b80d0fb56f678a
9. 0x428bdbcef72cdc14acaeac3e297831c5093f186985557dd11dea1fa1c2a605f7
10. 0xaf2aaf227f831c8a842987a3bfe406b3d21044789353b00a712ec77ecd148294
11. 0xdedcc59313093f94e354f9f5eae92504749db7bc2b630e7f57de8dcba9fb5081
12. 0xeb929035f29f206d033b8132e6680865043bb8a18b5a9d2ddcc88589b82478a5
13. 0x749638e83897749b17c0b5a0587a19541d9c0e6d95590918e98f786991029466
14. 0xf38c9617f655dc8f7c8fa11461cb30752d581a6bbb15051130839452c80c4270
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af