Evidence row 2194773

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2YnBwM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bb6b71ae-1882-4adb-818f-e300ad8bbc3e/.well-known/agent-card.json"
    ]
  ],
  "name": "Haubert",
  "owner_address": "0x00e06ea33d94bdd5d628fd60cbfdf0e33ad29dd9",
  "raw": {
    "agent_id": "123301",
    "agent_uri": "https://centralcity.ai/a/2YnBwM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haubert 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/2YnBwM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haubert",
      "registrations": [
        {
          "agentId": 123301,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bb6b71ae-1882-4adb-818f-e300ad8bbc3e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2YnBwM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793645291,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:49:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haubert 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/2YnBwM"
}

What the leaf hashes

{"body":"970226b76ff4fbb92cf8a418737fe886a238e8864860cc5b23467013f8666a35","id":2194773,"kind":"listing","method":"sync.erc8004/1","observed_us":1793645346026179,"prev":null,"subject":"erc8004:5042:123301","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. 0x66bb63ca8df91163da0d9798f17e250df2236d74b03f2716e081dafc9db82f41
2. 0xd7955c6680a2f0ef20072d878c3e75ef44355153398147909fd6977120bb9419
3. 0x1da70e56385af2282eed0f899e1b6e32589f1882c6fbdaf071b957f35d1d8a4e
4. 0xad62049a5a6b4d386d02453d0ac2d4494276ddb18197510b14896bee36207ed4
5. 0xb8002fbc8aac521b1a5699cbdc3b3e8dccb8e7a2cdfd340c8672d238aa6874fd
6. 0xa9751522423c7d598634b4d55cdc56267a24fae8363ff516b878c2300fa83bcb
7. 0xeb253e794a774d1693aad17b9a65e195c1f08e8cdf694c74e27110e04183ec5d
8. 0x9ea3a03290a980cc30a38b63fa8bc62368e849efb33e21404ceef3cb3f625fa3
9. 0xafc0f67ef438948f454f006e0d6f381ca472dfdd793d8377567236cb5ccd4161
10. 0xf60aa366ddbf0a4f44f0331b67c25005c30e2421b90588c95b85c07c7413b71b
11. 0x5bd5a96f522730cc2d7c83453f529cad4c5355c32378d76ca968a8d0b9548f59
12. 0xafbca494e50a3e802cc29be04745764c359231efd8cff417b639a8de09c4e118
13. 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af