Evidence row 2564907

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": "2026-11-03T09:54:00.124707Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:54:00.124707Z",
        "updatedAt": "2026-11-03T09:54:00.124707Z"
      }
    },
    "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": "1.35.0",
      "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":"9ea36e0b30fb2329a32492584f2a2091b01fbaf701b68e17372b341bbe9e1074","id":2564907,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701163805307,"prev":2546802,"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. 0x3cd12703396670c4a6ccc4c2650bd83ea8f9325447a6c54ade3723022243f874
2. 0x00b97ad1d276dec1212cd47be28ab324825e64f4222462bbab2fdb8f16e2299e
3. 0xb2bf2dd76246657e768df650f73c90172915354da436048bbba9b872306234a2
4. 0x91e2f9225cec5e219427923bf1e1b5a107ca85ecc1e0e00aa4de65b9b232146a
5. 0x6395482feee0eaf5ccb846733dec03f2312b494fa3339d036b615be07ff0932a
6. 0xa50945a221cc96df84daf25c8bffbbbddc2a7d415eb3768611cf2916afcf2bd1
7. 0x53d3daf590ae46568659b48222f612b3f7ad8a18d519677830ff6ec257f8496a
8. 0xa51cdbe6d6f35fafe4fbf2f17efa7fc2b7b38ca372559c46a35163aaf084bc93
9. 0x1586e5658a2d50e98205a9539bb5a0d1c6d1a7b06a11cf88c95c6d61c27c2b8a
10. 0x8cd006c29831af17f9402f3f1853127d21a86c52835895100a0977ad16ef2905
11. 0x14718d8f65d8e882d041b2a1cd08416d8b491b6df3eb757ffd35cbaadbba72a1
12. 0x87d8d5ba5e3e0b65990bb7bd8e0a29c7afabc8c68d041a504b52d6b12357eed7
13. 0x4b5945b20d05d42156c060247cc56b9fdec8b90fafd1729214fa76f3a01f9139
14. 0x5ab1ed3fc67f5a9ec3583839ed81e49e5b844fa19b679bd6a3514873d183203e
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7