Evidence row 3414579

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": "2026-11-05T13:37:46.63875Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:37:46.63875Z",
        "updatedAt": "2026-11-05T13:37:46.63875Z"
      }
    },
    "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": "1.35.3",
      "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":"f9626aa2156c8c509f7ac7c987db7fc1b1d4947cb50a53075045c4ae691f8395","id":3414579,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888499803756,"prev":3396327,"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 2026-11-05 (322504 rows).

1. 0x7b6b698e1ee577781728c70b4ec0964f54b0490d6bd5844720e5b4205d8b9592
2. 0x3af253f1e2bafaaedada0f20bde981b89cb227f1636c39b3b3a25d9cccc4431b
3. 0x4e717d9b966ab190b4989f2474b3813f6854536bf755758d72b3a6319774b8ac
4. 0x1e14dd71055341b601c3171b15b086c0514738a3ff6c1330387a7412006ecbf1
5. 0x6462140e84b9357599ccac7533c8b9f0b21f7a6eb8b6af1c6f1f6423d35cd19c
6. 0xfbd8d3b593deb4673beba950e6a5793a16edbb4d268328beee7e4be08e85c726
7. 0x934cd47c0bbad508ea405f318c7dcbef5b84a50a2e1876e473f9c8aa8678255e
8. 0x1ff2fc3fd8f0cf453228fd3a345410e8e7e038406219c90725d9ca6b1e9093b2
9. 0xaeaa83c786ce31b6d6f8f0ed9013fb6c0350fe360f3c876ad647d474276819bd
10. 0x9916c42f6abf53be6d53075b85813e1b603e23815b80b688a6ecbf9896f03b09
11. 0xeb138e36543e20dbf6e12abf59031cd8d2502057b3a0d8ab8413106e1485f4f2
12. 0x5bc9582de59b2ef40078e69faad9cdccb3d5bf5f8a444354f4638c7bc32ba49c
13. 0x341a6f3fa17c526258f57b49c6ef122c8bdb0b7fba61add27ce3ed82362b8281
14. 0x295b2ff917e72ce7e3d94bc8c6718d80f4989a94f335a61261966c43aec141b1
15. 0x644b3663b447930221e9fe24f9d97eb640daf058f5ce062e43895179e35a3628
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94