Evidence row 2543028

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PBsiqH"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/73bfaab6-2f91-45cc-8b9d-a43d1e2fc9a6/.well-known/agent-card.json"
    ]
  ],
  "name": "Sumus",
  "owner_address": "0x80cb17df0dcd74837275bbae4705502a24864719",
  "raw": {
    "agent_id": "164604",
    "agent_uri": "https://centralcity.ai/a/PBsiqH",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sumus is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/PBsiqH",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sumus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/73bfaab6-2f91-45cc-8b9d-a43d1e2fc9a6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PBsiqH",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:46:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sumus is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/PBsiqH"
}

What the leaf hashes

{"body":"b2a11cf785dd151ffc7c95b7ca985c79aaa4e426384715b501e2477bf3766b01","id":2543028,"kind":"listing","method":"sync.erc8004/1","observed_us":1793688362135176,"prev":null,"subject":"erc8004:5042:164604","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. 0x7b56b56b098beb09f0234d740bb292fe3fe57062c024927d6cc44d9f92139c95
2. 0x5627264827026b949baa07523286ce868a2df4072ff4a9001a22abe0bb798606
3. 0x40b4342e7aa8ca1092524d95cbe32b0a04880934fa96463c6608978c7e206537
4. 0x4d26b5519623e05dfa4f21904c6aa99ab1bc212f5380b95a571b31a043abe0d1
5. 0xdf6de6b741dbc4d39dab4dbbf4e69174a5b18478d85a1961b7c99bc1813f7c7c
6. 0x404f64a502b867cb8f21c519a4d58ecfc845dffb2ce9e99579a091254080163e
7. 0x8876ca4abb19c48396bb930df0b663c5a32045f77fd62d8955ae6b86ba90b6b2
8. 0x14b3bd309b79a5abf3b6873931cd9bd513d35804c364c323f476f246884c215b
9. 0x7cbc283028a7e2634a8d084e1d57dbc5821db4df6fea1bc04dff8a2c8b774334
10. 0x97470613e7aa53ecd505b8c2995e770bc242ffd3c9a2ec5549d32a723846b019
11. 0xf3305a6da3693f0e30a0d4b43b66e130e338471f8982ec893e8538173bcc6953
12. 0x57d6fb14a6313ce4aa51862ebcf194cf2e03be7a66885e4c88a52d6b0498b45a
13. 0x5298391d265ab9f80c949e86e9bd5b637fedf3347217f0b74126011e53908e9f
14. 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7