Evidence row 2727195

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/GndJPa"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ecb451da-bd13-47b5-a5d7-ab2fb5b3b309/.well-known/agent-card.json"
    ]
  ],
  "name": "Breiko",
  "owner_address": "0x3044000cacf406587767553c755b90515d0a97e1",
  "raw": {
    "agent_id": "211206",
    "agent_uri": "https://centralcity.ai/a/GndJPa",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Breiko 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/GndJPa",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Breiko",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ecb451da-bd13-47b5-a5d7-ab2fb5b3b309/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/GndJPa",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:19:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Breiko 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/GndJPa"
}

What the leaf hashes

{"body":"9c644f8fd6800fd2b124e213fe96d9dcd0e1ea7974ec13a940a28bfc71bbac53","id":2727195,"kind":"listing","method":"sync.erc8004/1","observed_us":1793747996991626,"prev":null,"subject":"erc8004:5042:211206","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x227afc5f8bd27a9d7ed7e5fa46d4663e45bc8d32e570abc4169dc961935a53d5
2. 0x2d38d3738650b20e1fb7ceabc25ae8a3b87f6686b249ccc693bb2cd4e3463bef
3. 0x836e3822018e8d3866d761e76e3b8415260843ad6bed550058d1eb65872bf30c
4. 0xda812a10bb1dbce10054b440eba23799ac2906d8764bce24a237bd332c537631
5. 0x977ad6754a6d5a5e6273df8bc5157bed45e2f995dfe34de33c80da1016db9508
6. 0x0eda15f72c8f3f95a6e56c86a1cfea7c96064755160cbcc0930ce0a141c8328c
7. 0x764fe4bda9efd66569a534fdad42955c4fa9b1ab580d370c31283fe8db619fc8
8. 0xa7ae3a615f9709a9633b7d96421f7bdc34c4db65a67c59e287a28c2de1bb74e2
9. 0xfc6838a44d48ed2e317888bb9364f5238632fd140e0825113b96184cbd557083
10. 0x9a8d9c3864c01f19a246228d1121093308ea6c55a5bef177e9bc7a2ed838766a
11. 0xd6e52f88d113c9f5874d568d2bacab5e9646fdfad08373e39e7b1dff385ca671
12. 0xf3868fb2605c72c4bb9ede57d50d97fdbfc1e5ba7eba5de96f1352e52739f1fd
13. 0xfb5a34649a5338bf52060a8127910a8cad79eb45a3dc649b67b230ac03180f43
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7