Evidence row 3396327

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": "2026-11-05T11:41:03.354094Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:41:03.354094Z",
        "updatedAt": "2026-11-05T11:41:03.354094Z"
      }
    },
    "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": "1.35.2",
      "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":"43e1fc0faf4216079e49f7f246973b2540b611b741a651cb5647d8376abda848","id":3396327,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881290953539,"prev":2726761,"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. 0xe212a328cd60e1c22322ad5a70e12e4c72fea7b1fc85fdc491f207de01e700de
2. 0x47474771d9707e63e611b57b0807409affa1b452359c628f1e2b5a56a88c325c
3. 0x1028d19eec993abf8039d09889a39293157b53f7a0c39055423203ae223ba0dc
4. 0x042232d3d8b755e744fda1071d7c3f31a9a878e728d61d223131b0ee7af88752
5. 0x541f855bd520bfddf3b0563b22410b7f922b5571056e6d2474a0c0fdc56cf1bc
6. 0x46e6b019de23e5035d623be2dd6c12d60f127fbe32fab7943bd98e3d5a3612e3
7. 0xb14d371e44d6fe17ed5c3a8ebce30a97e3ea7819888b9ebe29124b3aad20a2f8
8. 0x15b9d26ef1e7fe212bb6185d181ecb6294795bec707737ef0ebfd763b05a62de
9. 0xbbe79b9983ac19658b95e2ccbfedc612ed8e487a8c59970f4233b97942562980
10. 0x52de1fcf228adcd8a159b375a39bf2de6ffd39d27b96cc0355f38ec284a3f869
11. 0x7f467b6e7f88955ac12d81cfecc8b4a89c9abaad77e2e1ac2cd0f07a52d6a6ca
12. 0xc9fe133f20e9d3a24efd7bb11afcbbdc604a972dbe42b2d2133ec64a065c74d5
13. 0x53360dd4a714944f94296b461a01bcc564310b05565b05aea6e1a71feee1a57f
14. 0xce27876666d433e301388ab9a229faf79cf58e8e5e9d26b51a8919e49ef7c4fb
15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94