Evidence row 2519223

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/GS0hvJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4ff9a66f-c41a-431c-bf75-68e5d44668b0/.well-known/agent-card.json"
    ]
  ],
  "name": "Hialert",
  "owner_address": "0xef5169cc34b9dca05ed3f671a3468588e7dd029d",
  "raw": {
    "agent_id": "156169",
    "agent_uri": "https://centralcity.ai/a/GS0hvJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hialert 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/GS0hvJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hialert",
      "registrations": [
        {
          "agentId": 156169,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4ff9a66f-c41a-431c-bf75-68e5d44668b0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/GS0hvJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793678511,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:02:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hialert 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/GS0hvJ"
}

What the leaf hashes

{"body":"e0637f4cdcbc546159025a9b9fa103235fddab6dd612e808a213b27298a6acfd","id":2519223,"kind":"listing","method":"sync.erc8004/1","observed_us":1793678539601780,"prev":2518746,"subject":"erc8004:5042:156169","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. 0x39010fbb65140d172a94e68e2a5de5561733e229baa77d518441f28398a5dcb4
2. 0x903d5f6bc724cb3d6da0b9ee9f9f336be311d08573dd9b4b90a08c63676d8fef
3. 0x1c7285c148c418e69633232a0c928a67f0625ff7edd6b900438d775b022ee91d
4. 0xd05ba4aac8345d39faf3beef094bfb92d91f94f18561086bb870403957cfb871
5. 0xcdff334a25952f0484faa54fef006c535330c58bafb47f7b5b9ebb10630ff0db
6. 0x20205f5d1f975cd3b1237a217181259b50cea594d10b2fd56641e985dd3d39a3
7. 0xa4c6a66a6afb6d216bd7422f36a446530fe165df8b33b51f5e6dbe13e98eab6d
8. 0x571ce6816022ea7e50a2dfe6fde560c9135d5713112e19ecdd6596f60ce9082e
9. 0x701d38804cb7fb9da258cef097dcfb2a4d12cee257d85f79f880b23caf8bf1d8
10. 0x5b5aab865d79337206a86421d1a9ffc09f863f7295bae758c41e65a6315341c1
11. 0xfe90702be2b4dc29e6f3018751ac41b40b9688d02a21797c59715ea0cf4f6a19
12. 0x68b28488a5f1206d54658e4c56356c8dac4c799719ceeac59b9b83cd42375420
13. 0x9ff0540c065d2c066aa07e30d42707c88f5f7729bc3c89880661802495922729
14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7