Evidence row 2726761

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": "2026-11-03T22:29:08.127947Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:29:08.127947Z",
        "updatedAt": "2026-11-03T22:29:08.127947Z"
      }
    },
    "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": "1.35.1",
      "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":"89eed15e2d0503fb865d0ccb986e1e362853d699a8e6167675fa19f20f71bb42","id":2726761,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747994957763,"prev":2564907,"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. 0x47434561ad8a2fb9e4947dd93687d72399be89dedbc8897a21f5994bf9c17c10
2. 0x47bd4eec27933cd1092176d491546e34b4a2cd31512b6e0263a9b2d52f559a0d
3. 0x8a885fc2c31f17c1d4d8684cc1af8190c1440ec7a7ffca0911c96d4c966b7465
4. 0xd4c8bf94a2419fa7aec2f9db35fcb32a26441c17d9639c97902f4ca564aaf9a2
5. 0xe8afa44089f5cb338d487ad8be19b761f89c3b7459dd9130c58a42807480dc3c
6. 0xf97d729dbd2eb9b304794ada59453206ab8289fc68d27e5ddb279a23aaa7da2c
7. 0x308388261fb5b06ea13f5ba2598b8bc58783528bbe19decaffdf3c3f464c0d35
8. 0x46d6abf33ab2ec12ac39955631030efc73c117501f936585f057c8660942235f
9. 0x3008c57f70b141640f832766d04c57103f5d927b37ecd8edc33234a4d75f5f1c
10. 0xd8d9e366c656f8177192e760ee02618cbefdd574128918e42883cd128b2546ea
11. 0x7064711a2fc1a04971f791d258c106ad1e41246b906323f188ce5fcb61b161a4
12. 0x9f93f87a48cb4128b528f27fa91d5a06a616dd48953cc6f35cbf44c12248d2b3
13. 0x54c9072d283118fea94c9d38b8bd9055a74100c2f0d9bc8f677719bb2b7bc56e
14. 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7