Evidence row 2720316

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2cNi6q"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b1768e7a-1e06-4a1d-bbc2-261b9ff0f528/.well-known/agent-card.json"
    ]
  ],
  "name": "Kobias",
  "owner_address": "0xc049996f73a258c4ed51d71ce3e5d9f2656e8eca",
  "raw": {
    "agent_id": "207826",
    "agent_uri": "https://centralcity.ai/a/2cNi6q",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kobias 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/2cNi6q",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kobias",
      "registrations": [
        {
          "agentId": 207826,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b1768e7a-1e06-4a1d-bbc2-261b9ff0f528/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2cNi6q",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793744212,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:17:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kobias 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/2cNi6q"
}

What the leaf hashes

{"body":"0f949b6e755e63070fe51bf315f467bfbd3490e406b6b26dac05cf3c4d108054","id":2720316,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744267175637,"prev":2719894,"subject":"erc8004:5042:207826","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. 0x284afb5db5b89970fca33a4fc86c327883972943ba73ecabe363e4961c79346e
2. 0x9ddd16f2ffabce9bd6d9c43033e242ef7b998570ce349e5dd02f4cfa4c88ef2b
3. 0xf349de1d76958fed2b0c98ccdd92187c49433e91e0fdce28932fb4731367e0e1
4. 0xa712411c817b018637b5a3d0471584aa71eede5a6420cf196efed19d14d8d452
5. 0x1ff0f674b0b34b34185da44e4818806c539739f8479720e523f4785d06f56d7d
6. 0xbb5cc51021522922a2b9554702b44dcd459dd1a920f3509ad2120cbb37622df7
7. 0x836de85af92d18fc676528e3ccd96ab8f3b9f7eef2a890257aef908ccc627541
8. 0x51dec2c509390296e0949e289d11fa745c7b2643ee6a4ea0c43727c8272764f2
9. 0x9db5fd968a9da282dab4b2817e2d0d62090f40ef4df77ec522348cdbed5289ce
10. 0xe670823746e551c245466819d04009c4be5ef1711c6c7b23a1b9adb16d9aaf44
11. 0xe82dc1b204640da59f5a2d29ab812be2372271c2488b9d821339e8d2d8900b71
12. 0xec2ddd443556613d59609a7b14c036e6d271882b780c25ab7f82c2f5014e2560
13. 0xb3e9e2c239d3f86889736f5f9dd6b63f9f0ffb6cb921a6e5d19759d9d3670816
14. 0xfa613c0d80cbcddee7d225a3ab575b2b3c7203ea9f8cf881bf1cd2ffed0f5a23
15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7