Evidence row 2062310

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ao61S6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e33a568f-1d96-419b-9726-70a553944235/.well-known/agent-card.json"
    ]
  ],
  "name": "Brefer",
  "owner_address": "0xc05891bed4c2a39877b9bb2325fb69dbe44d02ef",
  "raw": {
    "agent_id": "62891",
    "agent_uri": "https://centralcity.ai/a/ao61S6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brefer 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/ao61S6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brefer",
      "registrations": [
        {
          "agentId": 62891,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e33a568f-1d96-419b-9726-70a553944235/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ao61S6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793595762,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T05:08:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brefer 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/ao61S6"
}

What the leaf hashes

{"body":"e199d26c73f8e69eefc8dd70676d1e5109a180f43408768a2bc4561695daf5d4","id":2062310,"kind":"listing","method":"sync.erc8004/1","observed_us":1793596115885233,"prev":2061653,"subject":"erc8004:5042:62891","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. 0xc0a52412460d9dcb4d177245fc406c746d620782d84118ae3d13b908eb7ac623
2. 0x0627a1d8afd6afce55d022f9e3b71486edfe67dafbe9414a4a143000100694e1
3. 0x2b91275126a327251911a31388139d90aaa42e8d5af2eeba3ca4eba6fe233f26
4. 0xcada6187c36552154b754c729f4b8ddd81788cffffb8a87c15bc80022a34512b
5. 0xa8cb81a3a8cfde2514fbcfd0ae0d2c57b474a7cb74c45123d5bb1acf4337cdab
6. 0xcf823b937a8ce364445ade4d44010ce169c8c5f3a96bb2606f3db382140a9853
7. 0xca8e0d9cf67669420b82e954033c6343e80a07bc4a3bc7271c8fc82f7abf90ae
8. 0x230ac2580dc92ff7682a6785d5d6ca4f41334ea0331c2b288deb415c94bbced4
9. 0xcded976df53b4b813ae36d4a91fe825774b32010c95a64b8a6d76a658d072b5f
10. 0x5c351eb959108fa008847322ad4e07245662a4a78edc2bc3c5476a41d6885e04
11. 0x95159983c258f8c4252930e33402334b4c774b96e6b0585c9fabf412a911ddc3
12. 0x8b992b36405eba70b3e3ccbd97fc3bf4370ba72ddf1ebf2e1db6ef25d910b365
13. 0x513d275f726a7e76afc5d1c5ea455e84ec639b5765f0d561d290fbac6c078a4f
14. 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af