Evidence row 2720071

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Xg4QWs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ac4ad801-6ca7-4b40-b8e0-4b810a6c0e7a/.well-known/agent-card.json"
    ]
  ],
  "name": "Grebano",
  "owner_address": "0x619376caa934e7d3c7634002f06af85772727baf",
  "raw": {
    "agent_id": "208003",
    "agent_uri": "https://centralcity.ai/a/Xg4QWs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grebano 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/Xg4QWs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grebano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ac4ad801-6ca7-4b40-b8e0-4b810a6c0e7a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Xg4QWs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:12:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grebano 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/Xg4QWs"
}

What the leaf hashes

{"body":"d49e0bdf6a4c38741005ec3c626f4e8592f03a02f5e180dddfa50f7c754c2334","id":2720071,"kind":"listing","method":"sync.erc8004/1","observed_us":1793743932813327,"prev":null,"subject":"erc8004:5042:208003","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. 0xef8aa46dc43f3a989100f40ed2b7c2c0d28894db878c62b18dc2643865f54bd1
2. 0xc2e04698e46172150b3905e0d006ee8a90df676aba8f67978f2f01e9642e2fac
3. 0x725db7e2fe152e4b8c1bc067668b592d5dc7d49a92c4a11b9b446aed81646380
4. 0xe566981f9d254418fb8bccc2e08b5e1271db00d281b73a2137a81692989b9a7f
5. 0x75d97768039c641cec8493d21ff7f1c059ccb66c14ee90a4832f3f1e46d16640
6. 0xd6c14f935efba549611072dcf0632bc9b23bc5947665b760b59089e41d82820c
7. 0xbb78fc97dc952091f2107a773f497aa081daa3ade722e40c436b3bed56ebca54
8. 0xd5f147821960f346c1acfe4aa8e953ed927170e09a9af81d69cc98e6aabb1604
9. 0x8f11e516349df23c3630c54fbc3d5be5aee81c45514b2746f6905b5f63b039a2
10. 0x31e117b47592513ada1a1ec885bc5adc1c8bbc1d2600ce6737db659ba85efac0
11. 0xb3936fe72a0590f9fb48bd4fc497d023f63e15eb9008c9cc808e0c9738f099d4
12. 0xa482cb38763d8734b11fadf9d66566266ddc789ac9fe593c0b9c09236845f918
13. 0x392d1f8e0d95573ecf5e48b86b7c22bc722ff63cad3e9bbf07a0e4b39157384e
14. 0x2548979bbd7b1568b5a14db6fca0201979c48165192f2b55f45fa21471031e4f
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7