Evidence row 22230

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://youtubetranscriptdownload.com/api/mcp"
    ],
    [
      "web",
      "https://youtubetranscriptdownload.com/mcp"
    ]
  ],
  "name": "YouTube Transcript Downloader",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-07-05T07:27:50.128279Z",
        "status": "active",
        "statusChangedAt": "2026-07-05T07:27:50.128279Z",
        "updatedAt": "2026-07-05T07:27:50.128279Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Clean YouTube transcripts for agents: single videos, channels, playlists, plus AI caption cleanup.",
      "name": "com.youtubetranscriptdownload/transcripts",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer ytd_sk_... API key. Get a free key (25 free credits) at https://youtubetranscriptdownload.com/account",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://youtubetranscriptdownload.com/api/mcp"
        }
      ],
      "title": "YouTube Transcript Downloader",
      "version": "1.0.0",
      "websiteUrl": "https://youtubetranscriptdownload.com/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Clean YouTube transcripts for agents: single videos, channels, playlists, plus AI caption cleanup."
}

What the leaf hashes

{"body":"302b4416b1bce6744bd0791580580f97b8f6a70e3e3f574a6bfa537cff641df7","id":22230,"kind":"listing","method":"baseline/1","observed_us":1793025341603350,"prev":null,"subject":"mcp_registry:com.youtubetranscriptdownload/transcripts","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xb74a93bcfbbc5ede92a29a1b5725897a372e575a7d6b4b720013a462e60aa73a
2. 0x38a7c4b114c0f249a13bcfb130a92301d2363f281c1ffa2552c82aaa01fce0a0
3. 0x8e7fea5ce32f2c63d923b5e42dd6db895a3e08cca86d820158271c704d31905c
4. 0x9c13546968e465159046c1b13977049829814aec413c20d744f2a60e4ccb154c
5. 0xae7a43f5edd10bfa3b780c97b8a7915740a0881c17f27e001c7ffe324949853d
6. 0xed4698e0db5605537b2538e56cb2039b03196cba3a934123431c295c7f2a823e
7. 0xef25799f9a73333641a14f69a1611123e5d1fa9cd022102d0bcb339adc8975f9
8. 0x29e14119f2fad9c1ea9a1b61759c69c21bae9a6c22c6b56c321fa708abf5e425
9. 0xc5d9cb7f6d731c3618b060f97e1689bbbfdd7a0a2789cad5bdec6d6433b3b538
10. 0x46c12e190c4c718181898afa8461016dc1585a2f1b886b8ea20e5a33551df678
11. 0x552b4fce1ed8f44d691c0a47a6af5ee62ad904edb2ebdc55a5ed71fca6e7564f
12. 0x17930d484cab3f6850715eb0b77dd189c3c06f975cf9def12285fde3eb9b4234
13. 0x0d86419ca1dd0b62fd8b22ea2e8c74d441312cec3116a467bea429b43e026565
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae