Evidence row 2720585

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/a2OtFz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8ddf9801-7833-483a-811d-fa6c4d7a1cb3/.well-known/agent-card.json"
    ]
  ],
  "name": "Studino",
  "owner_address": "0x5f9d06a8c59a8cf1c74c0db9208d7653abd3fc87",
  "raw": {
    "agent_id": "208212",
    "agent_uri": "https://centralcity.ai/a/a2OtFz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Studino 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/a2OtFz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Studino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8ddf9801-7833-483a-811d-fa6c4d7a1cb3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/a2OtFz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:17:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Studino 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/a2OtFz"
}

What the leaf hashes

{"body":"71335c54fdef65c124d34deec3e2572a89827f0b5e678c2d86b4408d2ba4fbb6","id":2720585,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744267868184,"prev":null,"subject":"erc8004:5042:208212","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. 0xe41f67126a52bbb670f7ace1623bc9ae452f1553ed192be07ab299f9c179051c
2. 0x067a9cf3829df82b9af529156e91fcd7f3d69ef7aba5a86f42ef1be79b6766ce
3. 0x9cb36421f0f993666dd9a724d2db2e223eca65c6d45e4d5b76de5fff9bfe9fd0
4. 0xfe15f0ee91a99c4391124e8e9a6ab10d27785d1412180f3016006566c55fc0e6
5. 0x77897ea3174e3337e10c13e435a15d9cef54d88ec5629ea73f0f1d11854daad7
6. 0xe1165cdb14afa61f2cd528d8582a8547c79bb69a7eea008046a9007837f28f36
7. 0x6f52324a8ca08543b49089d07e5f0b3f6a999e808dd3f0cbc3083aaee35b4ade
8. 0x5e2c58b71ec22b6a13f8d7b2a42ea7eebc9ef77161e1e1a07a4122ac797587a2
9. 0x036df25fc3e113d8668e0629c8deca1c08501baef492c7dd90aa26614eb2d65a
10. 0xc2080293c028c9e4444d7791fc9661dd26419807c99fece58a575ab8caf7f274
11. 0x83afa8fe3cc064d8448370921ed67d6d4b3967f53c7f58b39256c81a304a9a30
12. 0x8a2b27ce9e13b66cef6d1fa09c15a96f8e498f7102ac3524efaae6737b11d546
13. 0x45ba4607b58bd503d8501bd96a0477f9bb52f44b7e9c7927ec982f240f262131
14. 0x88002651b75eed5296ce4ff2e29616d59737fbfdbd4eb1747342b2df0368963a
15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7