Evidence row 2567159

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2yVfQz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/087f7db1-d4d9-4eb4-b7ac-c134abfd752a/.well-known/agent-card.json"
    ]
  ],
  "name": "Gradis",
  "owner_address": "0xcc6403219bebe86736cfb333400204c63eda7f46",
  "raw": {
    "agent_id": "176962",
    "agent_uri": "https://centralcity.ai/a/2yVfQz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gradis 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/2yVfQz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gradis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/087f7db1-d4d9-4eb4-b7ac-c134abfd752a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2yVfQz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:38:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gradis 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/2yVfQz"
}

What the leaf hashes

{"body":"fa43c3b7dc63bcdd0eba3e8ac89e551ae29eb1d4b1bb996f8f128e0baf355333","id":2567159,"kind":"listing","method":"sync.erc8004/1","observed_us":1793702333954688,"prev":null,"subject":"erc8004:5042:176962","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. 0x1f102db51f39afa59818c9a481e480963944498d90c6b2de2f8a8d154b2d7fa5
2. 0x4a870ad2f4e60ac3f5df860523d99b3e3c2d68976756fc009bb1819b650782fd
3. 0x3545741e136203b37271135f4cba99fe50dd502f48e330cdae8cc20ddf612a25
4. 0x7b760689e89c22199bf61d967a0df270a7d3869cb100321938d71230a0140bfd
5. 0xa43485303f35ab19e94c48533f15fc0b8363c15233b2e5b77ec18158eadd3549
6. 0x461c763bd9029a393d2126a6cf648f41d7e0f0a064cfe9746f0845c4f63b5a9c
7. 0xc75737f34675a8947e4100a7c26a7f6ca7402534ed37b3d549191cd20c393173
8. 0xf2577a102dade37c4d0e29a1fcc8bc9c1ec22784de21a3f61283cac8fa3399c3
9. 0xc5a5264b2b705b9c8e2d4752d2670a5a56873f8e17d6fc627a06e14c305a2e5b
10. 0x908b2deaad3bb1379429260f4d5163d9874bca512caa64c816625b8d53225ffb
11. 0xbbac0627a9e9056071fe1c06fbb76cd0cf5f4d230196fa31639eca85fecf4cbf
12. 0xfb5073a06de63ee5241aed1dc0014e42833b5a8dff4bc279cc984332d7c8f40c
13. 0x6e86e82cdce44ed1e6f3cb733b0697b7f61258b10df0cb5522eff763f46425bd
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7