Evidence row 2726850

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/useresponse/"
    ],
    [
      "mcp",
      "https://useresponse.usefulapi.io/mcp"
    ]
  ],
  "name": "UseResponse MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T22:30:40.340662Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:40.340662Z",
        "updatedAt": "2026-11-03T22:30:40.340662Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read tickets, topics, comments and users, and create tickets or comments in UseResponse.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/useresponse",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://useresponse.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/useresponse",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "UseResponse MCP by usefulapi",
      "version": "1.2.1",
      "websiteUrl": "https://usefulapi.io/useresponse/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read tickets, topics, comments and users, and create tickets or comments in UseResponse."
}

What the leaf hashes

{"body":"80a0744ecc5515072bbf942b16d8d50a0b114166009be6f3a26c1ba5cc9354e6","id":2726850,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747995190958,"prev":2564996,"subject":"mcp_registry:io.usefulapi/useresponse","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. 0x2b2fcdcb311e56aed65beb56a56ddedd5cfb0c4e29d56d72cb760e757563abce
2. 0x40b3a870a4cde71b437bb76460aa838a2d80b38bd0587043fcf157e97d798b26
3. 0x5ad361e5be076e985b2e6e84141504ff533dd26bf4573b12dcc4d313ae0f5b34
4. 0x0abb10d36468f5a2880ba8899a255f29796637eff4e4e0fe50dbc2e9c0864bfa
5. 0xdf64fff0f2499d27a77d5694491acdab133ce80365b85c413244cecee268cf9a
6. 0x1a865183eb0fd37e4c9f3491b7d383f9e8e26f55cd1110b958b02b85b9918ced
7. 0x4130854dc15e41031cd765b83d1131b2d0b99d93519b32a82febd6d4c0ec279a
8. 0x31318b2da12e4e279b9f5fb28ad5932c2fb99f3e4f5b561dafc0c01b5f7a31ee
9. 0x1596817cf41bf824e0ad616822e08fd1cb3756763d47be48c1996601cac6a612
10. 0x3475a17eedc413ef01a3da2283bb3aea924d3ee124d679c29b7eb2435c6fe0bd
11. 0x9ed85802dbd31e22b5ea6548582e592a9f1c047d9188aec7e552a02fbe54626e
12. 0xc0a2bc619c39316e7ee5b20431669dcc60158e09c215f1fec1c1d6f0b0032b01
13. 0x8ddeb3c56ce5cac471fe9abaa367318e8aee30e13a0d5b99301fb73047c7b8f4
14. 0xfa613c0d80cbcddee7d225a3ab575b2b3c7203ea9f8cf881bf1cd2ffed0f5a23
15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7