Evidence row 2560877

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OcxBBJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/dd1ec723-e4a9-4335-971f-c4f8644ffbf1/.well-known/agent-card.json"
    ]
  ],
  "name": "Staubino",
  "owner_address": "0x3ca7777f3ac0971bf7dc650fec6fa55d07ab5790",
  "raw": {
    "agent_id": "173828",
    "agent_uri": "https://centralcity.ai/a/OcxBBJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Staubino 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/OcxBBJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Staubino",
      "registrations": [
        {
          "agentId": 173828,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/dd1ec723-e4a9-4335-971f-c4f8644ffbf1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OcxBBJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793698855,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:42:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Staubino 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/OcxBBJ"
}

What the leaf hashes

{"body":"76f05c7cd4d76e03feba06c3e3c991603b3403c79418d960250a6225b41e8af4","id":2560877,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698962625495,"prev":null,"subject":"erc8004:5042:173828","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. 0x47778d86dc2f2fdcfdd4024723477dc1b460c0b601970529337a4ce8355ef8a9
2. 0x4e50d7fe7889c2d189dfccfbdf72d58eb3654e0d2b276a32474fc2d7c5b49043
3. 0xe766c270461860160a6f539a487dded88e430275e390b3e84006b3156db94f79
4. 0x4df37469987acac8aaa75dfa1ef9f556751d9b22ff876fed03632dc796d6c536
5. 0x57542097c0235e477135e73cc3b8c4d389554813fabe69f3a4ae781a04671118
6. 0xf28472837be126acc23a26d87eccadb9e96228a25e9c686d9308e3b26f4a6e23
7. 0xba6be789e62f97a9a0781e061e8560a891a331dd524103992ffdbfdd90fa62ef
8. 0xcbf82414b6baf494f5f3dbfd79fdbb38e4311e7539bf3127b3cee2b7b20e00fb
9. 0x064653ec1dc9217b531d9ae8026db0fad3184b91b1bdccc8fb09932ea987af43
10. 0xd8d9e366c656f8177192e760ee02618cbefdd574128918e42883cd128b2546ea
11. 0x7064711a2fc1a04971f791d258c106ad1e41246b906323f188ce5fcb61b161a4
12. 0x9f93f87a48cb4128b528f27fa91d5a06a616dd48953cc6f35cbf44c12248d2b3
13. 0x54c9072d283118fea94c9d38b8bd9055a74100c2f0d9bc8f677719bb2b7bc56e
14. 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7