Evidence row 2528496

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/1X9DVu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ee62c41d-2f6c-4d9b-9bb7-b2d8bfd983b0/.well-known/agent-card.json"
    ]
  ],
  "name": "Severo",
  "owner_address": "0x5e91c06cee59f99ca797b50f142f2167d31aa49d",
  "raw": {
    "agent_id": "159508",
    "agent_uri": "https://centralcity.ai/a/1X9DVu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Severo 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/1X9DVu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Severo",
      "registrations": [
        {
          "agentId": 159508,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ee62c41d-2f6c-4d9b-9bb7-b2d8bfd983b0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/1X9DVu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793682145,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T05:04:41Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Severo 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/1X9DVu"
}

What the leaf hashes

{"body":"57bb4c1d2ec9cacbd4338b2622883d24c9c43fb262dda5a5cac99e34ca9443bf","id":2528496,"kind":"listing","method":"sync.erc8004/1","observed_us":1793682281589616,"prev":null,"subject":"erc8004:5042:159508","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. 0x3d2790cdfdc2d1992abed292a4e1421864170f648e3bc8451cd3cd2ab10af458
2. 0xd98c9a092b50eb3e95e93c09fa58bcaaa069b033f5808100f3dc74d9f6e978cb
3. 0x4c017d4fb582e56015c40c3088bc8801cdf2fd0568a45da8f7a5c03fcaefab1c
4. 0x7ac7eba84c49c6308f071061b004ef7f9aeab148f42a87b452aee61f785b179a
5. 0x5bc0ba5770d5186c44a4fc3c4be4b8bf43d1e8549aed070eabe745735be020a7
6. 0x6c2bd8164c25c9abef48dcf95e6d511ee8f4181fdee5cb3bab915d989d6e6cb2
7. 0x58af49ccd196aa44fc93a5aa3e65906831ed9573bd6cc1c66e0a10d84861b142
8. 0x7dc3b2f54468dcd3ea13d3766c8c997e09ce63956d03993c936e7bee3c470956
9. 0xaf8f9aa91b8ce787b5c60665a6e8d0b9f5800152df8e5c8b615629842f0eaa26
10. 0xfd57a3274bcc7a8ee0bfcd3219aff04fa4497c8447a6a8c770ef9bf3c879b0c1
11. 0x55844d2618b0e272d1c2d4dc330e0c895e582d830d5c64d814aafcf4013d68a7
12. 0x87d8d5ba5e3e0b65990bb7bd8e0a29c7afabc8c68d041a504b52d6b12357eed7
13. 0x4b5945b20d05d42156c060247cc56b9fdec8b90fafd1729214fa76f3a01f9139
14. 0x5ab1ed3fc67f5a9ec3583839ed81e49e5b844fa19b679bd6a3514873d183203e
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7