Evidence row 37275

What was observed

{
  "endpoints": [
    [
      "web",
      "https://flashdata.dev/docs/sources/youtube_transcript?utm_source=official-mcp-registry&utm_medium=integration&utm_campaign=intent_gtm_2026q4&utm_content=youtube_transcript-guide"
    ]
  ],
  "name": "YouTube Transcript — FlashData",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-15T10:24:05.275482Z",
        "status": "active",
        "statusChangedAt": "2026-10-15T10:24:05.275482Z",
        "updatedAt": "2026-10-15T10:24:05.275482Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "dev.flashdata": {
            "apiKeyUrl": "https://flashdata.dev/app/api-keys",
            "billing": "MIT software and installation are free. FlashData data calls use paid Credits. Pricing/job/result reads are free; client and model fees are separate.",
            "documentation": "https://flashdata.dev/docs/sources/youtube_transcript?utm_source=official-mcp-registry&utm_medium=integration&utm_campaign=intent_gtm_2026q4&utm_content=youtube_transcript-guide",
            "guideUrl": "https://github.com/rocosen/flashdata-mcp/blob/main/registry/guides/youtube_transcript.md",
            "inputExample": {
              "arguments": {
                "auto": true,
                "language": "en",
                "video_id": "dQw4w9WgXcQ"
              },
              "name": "youtube_transcript"
            },
            "installation": "Local MCPB / stdio; Node.js >=22.18.0; set your own FLASHDATA_API_KEY in protected client settings. See guideUrl for manual setup.",
            "limits": "auto=true selects existing automatically generated captions; it does not run speech recognition. Missing tracks do not fall back to uploader captions or another language.",
            "pricingUrl": "https://flashdata.dev/pricing",
            "source": "youtube_transcript",
            "task": "Read timestamped YouTube transcripts for citations",
            "tools": [
              "youtube_transcript",
              "get_job",
              "get_result",
              "get_pricing"
            ],
            "useResult": "Read results[0].segments. Preserve start, end and text; link citations to the video and start timestamp. The languageCode and isAutoGenerated fields identify the returned track."
          }
        }
      },
      "description": "YouTube transcript text with timestamps from existing caption tracks. Paid FlashData API.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://raw.githubusercontent.com/rocosen/flashdata-mcp/main/assets/logo.svg"
        }
      ],
      "name": "io.github.flashdata-dev/youtube-transcript",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your FlashData API Key with youtube_transcript access. Get a key at https://flashdata.dev/app/api-keys; data calls are paid.",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "FLASHDATA_API_KEY"
            }
          ],
          "fileSha256": "b06c28de3ac271d1be7f558cbe47437bb10203d3f2f7ba598a83d6f556b3718d",
          "identifier": "https://github.com/rocosen/flashdata-mcp/releases/download/smithery-task-servers-v0.1.1/flashdata-youtube-transcript-0.1.1.mcpb",
          "registryType": "mcpb",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.1"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "registry/servers/youtube-transcript",
        "url": "https://github.com/rocosen/flashdata-mcp"
      },
      "title": "YouTube Transcript — FlashData",
      "version": "0.1.2",
      "websiteUrl": "https://flashdata.dev/docs/sources/youtube_transcript?utm_source=official-mcp-registry&utm_medium=integration&utm_campaign=intent_gtm_2026q4&utm_content=youtube_transcript-guide"
    }
  },
  "source": "mcp_registry",
  "summary": "YouTube transcript text with timestamps from existing caption tracks. Paid FlashData API."
}

What the leaf hashes

{"body":"1b0149ad7b025661b1980ddc1e5fbd2d728f9b8444c6ecabbe4798c11cceccb2","id":37275,"kind":"listing","method":"baseline/1","observed_us":1793025389641222,"prev":null,"subject":"mcp_registry:io.github.flashdata-dev/youtube-transcript","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. 0x78175c4ec4b87a614be0383a832dcee0f72b8d09dd388565de75c37df3ff395e
2. 0x0e2b5776821675ff851189d5f3e652f6521f7c6bd67035f04adcbc9c39d78058
3. 0x76f24c4f91658cf55f25de01d202540bdd012c0ccc01075d6aef3469a2bd2179
4. 0x38f4f3b31ef2fe0160c45a643cbd2bc50f28646f28344f25aa45b726a459be5d
5. 0x904036e6cb8f0e59690fc665f82bd36e5d11b8481fa031adb14c8f972678660a
6. 0xd116f352cdef552a6adc1fce5c33b16ddd8ec08e4135cd38b662b6a3ab9770d1
7. 0x38cffd1ffbefe326599354242d2d6398d1464e48a948d9da851c2ef72dfba4c6
8. 0x7102fdf264cb2d9dc369e9da50c914762e1ba7632911c32bfefd0fc964c33121
9. 0xe7a567a06402dbc17c02e19cb76a342a6e2e155568ea808558236b065d1478f7
10. 0x7289d13e9c5129911e8dd0a94c4ccdb3088dca627d8df693e7d7c3b58bbbd576
11. 0x8fe7ebf89d10ac2e699de3f80f5dda3e72eef4ae079794ab7d1035929ad723cc
12. 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae