Evidence row 2192506

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Zav6un"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/87e8548f-b72f-444d-8a23-7393834881ac/.well-known/agent-card.json"
    ]
  ],
  "name": "Biadeon",
  "owner_address": "0x7943e147e49cc557b7e8007531085c7678779175",
  "raw": {
    "agent_id": "121902",
    "agent_uri": "https://centralcity.ai/a/Zav6un",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biadeon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Zav6un",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biadeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/87e8548f-b72f-444d-8a23-7393834881ac/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Zav6un",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:36:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biadeon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Zav6un"
}

What the leaf hashes

{"body":"0ce56a516bc635c7e25f35b46058b375d73a231c2e18aaa5892715be512805b2","id":2192506,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644613335204,"prev":null,"subject":"erc8004:5042:121902","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. 0xd07b530839e46f6808e3ad2abd32413a68f894505e8971c4afe7f1fa103c6d01
2. 0x4aca4cd0cb87fdeb9798abe518cc10bbd870641f18e11a0c12918c642e8ff585
3. 0x16e0070255b85ff877449ec7c1b4a01af4e6e4a899994dc5fb7aa8864043eabd
4. 0x1d5dddba52a5c3c87248616d1e48217eb8d6f0b0655d234f21185e3dbfb57254
5. 0x8ab437de0cd9988fc70d73e2ef6c45dd4b65516f758d413e06d283ab37fa5cc3
6. 0x932cf5d49a92a3e58a5a07cb018eae71e3095e4e085a906d88d8b4399c6fd0e4
7. 0x1cdaa74c9bcc409df9576e6b4909db97b37d7b8409597f2ee6aabd58d2b9adbf
8. 0x6d2ad2071030f6efae1ca4dbd503ce3f61568c37bf939fbdd1b3379e110e574f
9. 0x5f5abead42895d022523a4024f1676b0935ae2462c5c5bb2cafd09735786d1c2
10. 0x772a7d62e7f68f5fefc0c14f50afbed7127ff6e05fdec047ee9172692eb4a101
11. 0xa3e59ea5049f0fb500b94c99db5bf2f100811da0dccd9ed6404f70897aa1e5fd
12. 0x958b4a44f39e6f2ea70e91d6ebf20620245d2b968ca9c28f1b19f03aa4f5e55f
13. 0xc68903bc934de8372c6b911a71856ad742aaac2d4b2de9ce90e84a085da4373d
14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af