Evidence row 2543452

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Eu4Yba"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/952b7920-af76-476d-b540-c3a2cf41f579/.well-known/agent-card.json"
    ]
  ],
  "name": "Sifito",
  "owner_address": "0x686635b47738d36cea2fe1d87ba7cf641a02c590",
  "raw": {
    "agent_id": "164693",
    "agent_uri": "https://centralcity.ai/a/Eu4Yba",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sifito 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/Eu4Yba",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sifito",
      "registrations": [
        {
          "agentId": 164693,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/952b7920-af76-476d-b540-c3a2cf41f579/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Eu4Yba",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793688470,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:51:45Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sifito 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/Eu4Yba"
}

What the leaf hashes

{"body":"717b6fe7219704232ee22d4dd9a3b2b1e87f04015f518975841cd3401794430b","id":2543452,"kind":"listing","method":"sync.erc8004/1","observed_us":1793688705307426,"prev":2543117,"subject":"erc8004:5042:164693","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. 0x87e17cbf422c9f8145e8fa15e9fdebe31187f1272e1196b74c24a77bdbd1f44c
2. 0x04c7b95a1e55c0ad152a85a1908a4b16c638f049d7948884dd266781990ddc14
3. 0x699b9978e07739bf98e7de42b00b01f35b44f7e053084ee343682022b9201811
4. 0x29bdaa8cc49a6bbde23a63148704f4115d3387007597d4f7aae5e0b5d40662b2
5. 0x8de13a9fb9bd29858a553dd20605f564c132bdcbb8ba90a809f419d7ba8498c7
6. 0x86966c5a51e574cb9a9814d02426f0d7c5c225083775d609fa6fc54e83064c79
7. 0x877ae83dd01d779ea7591450254e1c57b4d76593f43790d0f21fbffeca134c12
8. 0x359dac0c0aac851f062bc65973a281bd3c7c36cd9ac487526bdc7dcbddaa02f7
9. 0xe21b27362caae0d5bdfb0e0ddf724479ff6c23401ce00cddd169094e88f95ef6
10. 0xabd3c5a8273d718a622674bbd7aa22c4dae3dcd710ca090ea777455823820001
11. 0x3468a2be64aa0285a6e2a732888fda05834c1b663f8465dbe2e5467a4afac786
12. 0xd20ec8842c47223f02740078dd0e5b5b17206d7372fcdbcf51b5e0e46355919a
13. 0xf7c67c96024b4a69e763701d06d6e4b51458c1259af3b5d0a9d5873b55301b3a
14. 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7