Evidence row 3945615

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": "2026-11-07T09:18:18.959746Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:18.959746Z",
        "updatedAt": "2026-11-07T09:18:18.959746Z"
      }
    },
    "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": "1.3.3",
      "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":"2a4229a77d4c29e07559b3f812c93083fd1365d75c6ca0574f286b61169fac2f","id":3945615,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043459249529,"prev":3775633,"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 2026-11-07 (195826 rows).

1. 0xee62a8858c369463768e43c30ef3c97d02dc42637dcb4108c4efb137969112fd
2. 0x2201b304f6c06ad48c8e199e3608430de8af4e949306dccfd849ec1f00b66e4c
3. 0x2e335121be35a35aac26f1b3a9680146f49e08cf2262a8b0720f041d9480c9c0
4. 0x6f48f3853c9c06b68905a243e3292f825a220406fb8309091622c431be381917
5. 0x5781168cdf4ff1c9db53a6878bb603f3506d8102e711ef31fb29b2c1111b264e
6. 0x276f58d672d362aacddbc08d8cf799e4852af8bb5b83260816a092a1cb70f266
7. 0xca5e5549a221ce6b3bcbd7177d3d4438140d83ed20759bc9c14b3a99233c18c3
8. 0x937a60543b372cd9972d3fbd04722bf8b5fe28859a68a0f0ff8e9cf705af62dc
9. 0xeb0c701529e7abf9313705a4f1a53071e3d81110eea661788ece837be22bfc62
10. 0xb6005741b05553b04466718e86f99177585ad0c48b2330996f92e3fdefc07ab6
11. 0xb0d31234ce683ed34ae408df480afb1afaf4c602015b10e2147d05199d2ae10c
12. 0x1445664f351e6b07906aceeef12fd1c578d6060e36dce84e15f13b03195c47f2
13. 0xa246de0ecf2c7ea6bb3364bd51f238e41f260c2a06f814448edd91148e5d0d71
14. 0xf43413f83ed03b7c7cf9da72bbeca9e32610d671fd1e4e2b0c0cf6b3d8b94516
15. 0xb6dc07358d0932b83c713d4c82df6764849db6e58ee1c7cbc06d03f381a6b36b
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa