Evidence row 2954819

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gWRzBI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cf90ee0a-096f-4088-a9f0-5848759ab7bf/.well-known/agent-card.json"
    ]
  ],
  "name": "Barkias",
  "owner_address": "0x1240dedabd93b14f5aa2e722e8bb1eeec526241e",
  "raw": {
    "agent_id": "227536",
    "agent_uri": "https://centralcity.ai/a/gWRzBI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Barkias 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/gWRzBI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Barkias",
      "registrations": [
        {
          "agentId": 227536,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cf90ee0a-096f-4088-a9f0-5848759ab7bf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gWRzBI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793769530,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T05:22:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Barkias 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/gWRzBI"
}

What the leaf hashes

{"body":"fb668b024c5942181528c338eab61bc1066295614b8fd96d01a96594c4a1f250","id":2954819,"kind":"listing","method":"sync.erc8004/1","observed_us":1793769779928900,"prev":2954335,"subject":"erc8004:5042:227536","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x1248ed351180d959f27bc1154cb1cc94b6c1077b83b1f34cd3bd5fa2f8cac497
2. 0xfd1e843032b603705cbaf469a6e4e5866a5288f570fdf9022899a4eb8face928
3. 0x2e0285c983fe593d4037ae3f09943348541930b0acc540f13d7b43e33bfb2f6e
4. 0xc972bcd32c6fd21732be117684501b7984d2e25e4400852dc18f5aba1557c4fe
5. 0x4a8191c33e2d9a4b9ac7bf79857cf8c1bbb2adcf758eecbce8afb2bd0983287f
6. 0x53efff04a6478f3565acc89b648836077e55cc332f27575c15a5db88f8469a42
7. 0x7f022c685278f02752bb56743e17c9755f644f2940ee88d42677d5f118d50adc
8. 0xdca4bf52ba186eb3b6b6f20b58242ead68d34960fbb9a5a0ea24aeaf31a4c2ca
9. 0xeeeebf47764c9836b12c1dc904388b1ec6499733fd9e2108eeb53909b182abc9
10. 0x5b395fe6cb417d44805cd245608c67b4e4de6c4b43935ff11a97902799494cd4
11. 0x5470a680472a994f0b9cda58c0f1d71bd1aa74c255c951749a2b20206e08630f
12. 0x2d922e5fbe6e5a032695ac07dfcff60026b7206dcebb644067a402c7a1ee75e5
13. 0x0c961c90e8e90ea0bf2db9ef631f7a8ed79970c2c84fcf0e6534f1a7d66dc961
14. 0xe5d2c2f467f13039435593ecb6df4996e650e192b7ee29ddf612886f03e98dea
15. 0x39999cd980e41ec2b00689b8f721fe6463b8366a077d7faaeed19e6514cfbac4
16. 0xcdac863807ea81d51a9ab718457637e91824fd377a06759901352d9a23933554
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345