Evidence row 2546802

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://speechmatics.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/speechmatics/"
    ]
  ],
  "name": "Speechmatics MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T07:15:37.254371Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:37.254371Z",
        "updatedAt": "2026-11-03T07:15:37.254371Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Transcribe audio and video with Speechmatics speech-to-text from Claude and any MCP client.",
      "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/speechmatics",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://speechmatics.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/speechmatics",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Speechmatics MCP by usefulapi",
      "version": "1.34.1",
      "websiteUrl": "https://usefulapi.io/speechmatics/"
    }
  },
  "source": "mcp_registry",
  "summary": "Transcribe audio and video with Speechmatics speech-to-text from Claude and any MCP client."
}

What the leaf hashes

{"body":"3c0b727a2787077300474def1fd3686daedbd926d85df4a4f4482f13d048cf2b","id":2546802,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690350531274,"prev":2130560,"subject":"mcp_registry:io.usefulapi/speechmatics","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. 0x7508557610763880390e63091f827bc91a999c9910ef8da2bb9feeaf2bf54433
2. 0x56c82892fb72c5dcbba7c36d17f07faebc38b99e879453595f1933d3b5e52adc
3. 0xf4b1cee26823af48b9c58219dc36c7f811c7401cb737e04989d9eb411495f043
4. 0xd08841a771c502a54f2290138129f8fa2feb8b65141673f09c4c27099c9f10f0
5. 0xfd359ddf4cd8d96687750c4572a43401d69a6d9b7cc2294f0538c87fdf03de5c
6. 0x9240cafdd967d37ec088e82c1818b018993572946184865c571226e6fff79e0c
7. 0x577d9c400a88b5055e0a3b8a719a517219f66a66d3cc3d2d818d73f519b72bd5
8. 0x18ba3a808d3575cac57f88319f82c7c201cb40212271c50b0c3ef72ac5860af4
9. 0xb03bc209bb5c41cce24beaf33237d33c678f5ae7341a67e3df43d396fe7e061c
10. 0xbda6163bc94877f325b771ccdf2ea9c518dd543726208dadf785b0f20b3a4d35
11. 0x96e64367ecd4158184ea3461474929705bea81c8d6c9fe1ba3ff777d6f4815c7
12. 0xbfb5b86c3732e3821396df788c25997c105ee933690649fadb31f13174f0bc9d
13. 0x0a2166fdbd0fb119437aa5c587d6d76eacdc831e2e2d305db6de877994a9e71a
14. 0x8888e0d25075a71372832a4a34d226613212be78f7f52e7bc201b28be0cf3c7b
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7