Evidence row 2159528

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dw5kKk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/582d1464-36a3-427f-a5fd-df2dd4c055e8/.well-known/agent-card.json"
    ]
  ],
  "name": "Brikeon",
  "owner_address": "0x1b2ae557981a833923060f86d882a8ee28283508",
  "raw": {
    "agent_id": "105021",
    "agent_uri": "https://centralcity.ai/a/dw5kKk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brikeon 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/dw5kKk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brikeon",
      "registrations": [
        {
          "agentId": 105021,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/582d1464-36a3-427f-a5fd-df2dd4c055e8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dw5kKk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793631106,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:57:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brikeon 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/dw5kKk"
}

What the leaf hashes

{"body":"7f746a4a1b3db0a7bf004e4ca4d2b95314eccd9f6be0161382689bd34f1bc4b8","id":2159528,"kind":"listing","method":"sync.erc8004/1","observed_us":1793631430727189,"prev":2158881,"subject":"erc8004:5042:105021","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. 0x642e5f0286af7899dfd7222f9c1cb6e1250f6dbb53bc9a2814d326b700284673
2. 0x5f6b6632cc675bdff9582df2cf037938c2640d0b69c1271cac1c3611eddb9918
3. 0xa6d9fb7e39d44a010a4288c45f3d414df2dd6fb281eedb8ca3a0931005b91904
4. 0x43d27a26c1c6b093f3cbd49e6e7bc0cc263e12a7ac621dc1eca2b720b80a0e38
5. 0xb60c903e2f7eb646e9bc8a460df60a81a6f66c274a98571fb64f168348ea3819
6. 0xabf5934b1e3c3b7609b05f9de3205717c380aa31aa022ebd15f2714ff0785a68
7. 0x15dea9308898531932e4d64362e7c8167f643cfdea658df84a2e3b368a1ee61d
8. 0xc0ca36174556f0186882b7494ccda2adc91de4b259e6331bee1cd25dcc64331d
9. 0xf38e83f1f2bd19dbdcc20ee741ca98e57b53eeebf6d2e52223ea43129ee914cd
10. 0xed23230cae016d4bea7b0b06141097f6e0a2719f04330c15743279f4f64b386a
11. 0x33d105a457c79e0b2de160c1b603c1f3845d9097f59a6bb2bcaa6572c0bbac63
12. 0xfb198b5e9ed6a30d23cc6c63e240376a59838835d128c19ba80c223b34685b35
13. 0x43843187ed08d9e521651cb9dfff6531be94049b43e391bab5e05b93fc4383d3
14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af