Evidence row 2550307

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HI7Cfj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/17424fa8-34b1-41a4-a949-397fe5eb1963/.well-known/agent-card.json"
    ]
  ],
  "name": "Grosino55",
  "owner_address": "0xad31b1bfc73e7309078a8f44a64ed71d530edce4",
  "raw": {
    "agent_id": "168163",
    "agent_uri": "https://centralcity.ai/a/HI7Cfj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grosino55 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/HI7Cfj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grosino55",
      "registrations": [
        {
          "agentId": 168163,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/17424fa8-34b1-41a4-a949-397fe5eb1963/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HI7Cfj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793692311,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:55:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grosino55 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/HI7Cfj"
}

What the leaf hashes

{"body":"b9235fa40cfffdc8a4dc3be04c2c0bc9fb9a1dbd061c416c1f89d8cf1220188c","id":2550307,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692529965947,"prev":2550072,"subject":"erc8004:5042:168163","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. 0x3820ec92092b0877d612f67cd6436ec5bc34a4c8eb743a4294bf3e7aae49b3a3
2. 0x68a3c1a5b3b8768ea760713707100404274a19457e2fde93be32090783ea149a
3. 0xb98bff34b69bd43fc780b719dc191569933979bc181de4b40ab6f30ffa9f1820
4. 0xadf2341978de73d760b17ff9ba2ee1a95126685e6eadb62a32e7c93205c34824
5. 0x02c03e507bc89635a131ff7ba836f7f3513b7cf0b469507089ddc1dd7ed6eda5
6. 0xb9a6da647cc379bbcdfcfe2bd27659e6aa507789c3d0855e6dc1366d51c8d19d
7. 0x793fa77854ade5391f13b60e88a840ae0a719a36a978ba81f52ed72da721896e
8. 0x849d47e378fd0a8b0c3b8ffcd400ef34e23d3ff7b4440bcfa2ce3fc0b51db360
9. 0x27056ab83a7c43a98570bca8dc1db9df4c5f6b6fef08ed20f89120ce46e2fdbe
10. 0x84b93c51e6e3a4fed901e72fadf58c2ac78850d6e7aff637e6a5e8ddaa36e905
11. 0xd6527891a123a798c15b1d32f4f1284a6fcea1db136323708396ce1acec407e3
12. 0x3d491d5b32eb1e1c299a7c7dd81dcccdf16b08dcae13a6f0868ac0f3d565ee97
13. 0x4435d30c5484a03bc119547d2071d78d19849c42083678f1d6af8d6dd8f74a98
14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7