{
  "generated_at": "2026-05-03T15:50:29.017Z",
  "task_id": "a17f6bc3-a1d4-413a-a2d1-0d8c04d20c0f",
  "methodology": "Browser automation used Playwright CLI to open public sample-video pages and extract candidate MP4/WebM links. curl HEAD plus curl GET/range probes verified status, media type, byte length or downloaded byte count. One verified sample was downloaded under outputs/samples.",
  "downloaded_samples": [
    {
      "title": "W3Schools Big Buck Bunny MP4",
      "path": "outputs/samples/w3schools-mov-bbb.mp4",
      "bytes": 788493,
      "url": "https://www.w3schools.com/html/mov_bbb.mp4"
    }
  ],
  "rejected_candidates": [
    {
      "title": "Google Hosted Big Buck Bunny MP4",
      "domain": "commondatastorage.googleapis.com",
      "url": "https://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4",
      "curl_head_status": "failed",
      "curl_head_http_code": 403,
      "curl_get_status": "failed",
      "curl_get_http_code": 403,
      "note": "Rejected because curl HEAD and GET returned 403 for the HTTPS direct media URL during verification."
    }
  ],
  "candidates": [
    {
      "title": "Samplelib 5 Second MP4",
      "domain": "samplelib.com",
      "url": "https://samplelib.com/mp4/sample-5s.mp4",
      "format": "mp4",
      "source_page": "https://samplelib.com/sample-mp4.html",
      "discovery_method": "Playwright CLI extracted MP4 links from the Samplelib sample page.",
      "curl_head_status": "ok",
      "curl_head_http_code": 200,
      "curl_get_status": "ok",
      "curl_get_http_code": 200,
      "curl_content_type": "video/mp4",
      "curl_content_length": 2848208,
      "curl_size_download": 2848208,
      "curl_effective_url": "https://samplelib.com/mp4/sample-5s.mp4",
      "curl_checked_at": "2026-05-03T15:50:29.017Z"
    },
    {
      "title": "Filesamples 640x360 MP4",
      "domain": "filesamples.com",
      "url": "https://filesamples.com/samples/video/mp4/sample_640x360.mp4",
      "format": "mp4",
      "source_page": "https://filesamples.com/formats/mp4",
      "discovery_method": "Playwright CLI extracted download anchors from the Filesamples MP4 page.",
      "curl_head_status": "ok",
      "curl_head_http_code": 200,
      "curl_get_status": "ok",
      "curl_get_http_code": 200,
      "curl_content_type": "video/mp4",
      "curl_content_length": 574823,
      "curl_size_download": 574823,
      "curl_effective_url": "https://filesamples.com/samples/video/mp4/sample_640x360.mp4",
      "curl_checked_at": "2026-05-03T15:50:29.017Z"
    },
    {
      "title": "Learning Container Sample MP4",
      "domain": "www.learningcontainer.com",
      "url": "https://www.learningcontainer.com/wp-content/uploads/2020/05/sample-mp4-file.mp4",
      "format": "mp4",
      "source_page": "https://www.learningcontainer.com/mp4-sample-video-files-download/",
      "discovery_method": "Playwright CLI extracted the direct MP4 link from the Learning Container article.",
      "curl_head_status": "ok",
      "curl_head_http_code": 200,
      "curl_get_status": "ok",
      "curl_get_http_code": 206,
      "curl_content_type": "video/mp4",
      "curl_content_length": 10546620,
      "curl_size_download": 1024,
      "curl_effective_url": "https://www.learningcontainer.com/wp-content/uploads/2020/05/sample-mp4-file.mp4",
      "curl_checked_at": "2026-05-03T15:50:29.017Z"
    },
    {
      "title": "W3Schools Big Buck Bunny MP4",
      "domain": "www.w3schools.com",
      "url": "https://www.w3schools.com/html/mov_bbb.mp4",
      "format": "mp4",
      "source_page": "https://www.w3schools.com/html/html5_video.asp",
      "discovery_method": "Playwright CLI extracted video source URLs from the W3Schools HTML video tutorial.",
      "curl_head_status": "ok",
      "curl_head_http_code": 200,
      "curl_get_status": "ok",
      "curl_get_http_code": 206,
      "curl_content_type": "video/mp4",
      "curl_content_length": 788493,
      "curl_size_download": 1024,
      "curl_effective_url": "https://www.w3schools.com/html/mov_bbb.mp4",
      "curl_checked_at": "2026-05-03T15:50:29.017Z",
      "downloaded_sample": "outputs/samples/w3schools-mov-bbb.mp4"
    },
    {
      "title": "MDN CC0 Flower MP4",
      "domain": "interactive-examples.mdn.mozilla.net",
      "url": "https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4",
      "format": "mp4",
      "source_page": "https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/video",
      "discovery_method": "Browser check against MDN video documentation and direct MDN interactive example media URL.",
      "curl_head_status": "ok",
      "curl_head_http_code": 200,
      "curl_get_status": "ok",
      "curl_get_http_code": 206,
      "curl_content_type": "video/mp4",
      "curl_content_length": 1128375,
      "curl_size_download": 1024,
      "curl_effective_url": "https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4",
      "curl_checked_at": "2026-05-03T15:50:29.017Z"
    },
    {
      "title": "Test Videos UK Big Buck Bunny 1MB MP4",
      "domain": "test-videos.co.uk",
      "url": "https://test-videos.co.uk/vids/bigbuckbunny/mp4/av1/360/Big_Buck_Bunny_360_10s_1MB.mp4",
      "format": "mp4",
      "source_page": "https://gist.github.com/jsturgis/3b19447b304616f18657",
      "discovery_method": "Playwright CLI extracted public test-video URLs from a public GitHub gist listing sample videos.",
      "curl_head_status": "ok",
      "curl_head_http_code": 200,
      "curl_get_status": "ok",
      "curl_get_http_code": 206,
      "curl_content_type": "video/mp4",
      "curl_content_length": 1045545,
      "curl_size_download": 1024,
      "curl_effective_url": "https://test-videos.co.uk/vids/bigbuckbunny/mp4/av1/360/Big_Buck_Bunny_360_10s_1MB.mp4",
      "curl_checked_at": "2026-05-03T15:50:29.017Z"
    }
  ]
}