Evidence row 2529266

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/SicBE0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cf2092da-600d-47ba-910b-a68d9da4b3e9/.well-known/agent-card.json"
    ]
  ],
  "name": "Harkaton19",
  "owner_address": "0x100fcc876d7a5d5d6456e980daa670980615909f",
  "raw": {
    "agent_id": "159733",
    "agent_uri": "https://centralcity.ai/a/SicBE0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Harkaton19 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/SicBE0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Harkaton19",
      "registrations": [
        {
          "agentId": 159733,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cf2092da-600d-47ba-910b-a68d9da4b3e9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/SicBE0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793682471,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T05:10:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Harkaton19 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/SicBE0"
}

What the leaf hashes

{"body":"a03caac8823b712ccbef9c39c4b1566b728334e11a03d998829ca2f8a15a2e3f","id":2529266,"kind":"listing","method":"sync.erc8004/1","observed_us":1793682620778511,"prev":null,"subject":"erc8004:5042:159733","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. 0x069df95237b234a01b94f78a7b1045dd41b25076ab2678b256f8aa0f1baf2bfc
2. 0xb7a7784e4cfe62c6f05dbcb033d5ff576a1499061f2d40c09ac914226187bafb
3. 0x7c9ed6937cbf28ba8192a4c2f91b47997aa6398d6c43a20ff05e4bf624d868d4
4. 0x8370902d853748b3842e0f4f62046fe800d4e891862fde6a6f49d2dcf363fdab
5. 0x38a514855ca600187239370eb66b4e181f19781d8dc91e8da2350ff140af4a6f
6. 0x55604c317b4514fc7fc48add0ae802ae1df56749fff1838b0cf30fd757ad87c6
7. 0xc22b6fd6a0a3bfbb00e81bcd3126813c6ba961e0335544271a909670aa3ea634
8. 0xffac244901d75c26d4dc3017a20a3dad4032e8f24ca3e29aeae14fa4587ee382
9. 0xf775ae4a2ee839665dced601558fa2623537eb1adcd552854c52194b53aa0f83
10. 0xb7bdac6195c86d251d9af344f32b1b73fb488b39cc973929474b69c224e12408
11. 0x28af510117971e0a14cff23cc0c14163bca41b85bbf8f031c5b9b87a02a1f8fa
12. 0x03ee3ea4321cdab90fbd09c4031a0cefcea1b5b6bf7acf3c1e5f0b9e515098c7
13. 0x4e70d4f3d8061ba1880699efd21e122cab4e2a786faff4a0cdc4700d17a75055
14. 0x93ab7dcb2777a66a8864a3266602159fa29a49683bf095a1ec2a005ab2d78703
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7