Evidence row 3987240

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": "2026-11-07T21:56:25.257737Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:25.257737Z",
        "updatedAt": "2026-11-07T21:56:25.257737Z"
      }
    },
    "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": "1.3.5",
      "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":"bdde011d06fe633cb72f5e60af3cd2dd79b9b77c0bdf5532526bd9e450ac0b24","id":3987240,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090328861305,"prev":3958456,"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. 0xbb908cb300dcf023464126d297809e73d7e51e1f1d371dc8337afbad4ceaacdb
2. 0xb852c65ea261d7bdc01a3589cfa4f3e7e4a7280953e4916b24cc487491e3e30a
3. 0xd2daa8a3f2b57b4f07f9f9a974cafcbeffe2e9e4283f5c41c676c72b5dc38803
4. 0xa823a4fd47dbaf8010e381c69089a24850b59a60c1f5ad529dbbbb03483baa8b
5. 0x75781b0cc0fe1292698e2000e4fdc908b3de624877c9411cab53a00d7d17088d
6. 0xf7fe8bbaa0d5576c3e3f33a2e476e26714b80684d43cb96707d18b1f8c052611
7. 0x3070a3a640a0885b8ffb78aa2662c012535df3cfc7bae62df8cd24c3ff76c084
8. 0x0c5c5f35e8237418511d9106d8de979af515626da44d1794a0a9b697eafef4ca
9. 0x76bf6703a314eb4c5bbad990199fb8de3b961695f5c5986ad800fd73705f409b
10. 0xc14d619f7cd2841cf8600d1e3cfdbd9d7eecb55f4fd8bb8eea15147574977ce9
11. 0x7e18f9a9b4dc1e1472498c09f852081c5e1abc90f7c9115e5bccd19fc93a73ce
12. 0x097b569d682dbcd636f68401d76ac57b13d562bbe574ba3f0952f3ad86a802e2
13. 0x597bca2edd57bc2e06f826c348f71c9868f1f1c93c364b62962fa5d28f3bb182
14. 0x7720754cd1d565acdb28ae2e3c2e759562843c986908d08656bf4c41e785a347
15. 0x2afbeaef1e4de4b2a6d70326e3dc41f9f1c65d4fc46630d217fc932790b0680c
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa