# Sources

Browser automation and curl verification retained sample video candidates from these independent public domains:

- Samplelib, source page: https://samplelib.com/sample-mp4.html, retained URL: https://samplelib.com/mp4/sample-5s.mp4
- Filesamples, source page: https://filesamples.com/formats/mp4, retained URL: https://filesamples.com/samples/video/mp4/sample_640x360.mp4
- Learning Container, source page: https://www.learningcontainer.com/mp4-sample-video-files-download/, retained URL: https://www.learningcontainer.com/wp-content/uploads/2020/05/sample-mp4-file.mp4
- W3Schools, source page: https://www.w3schools.com/html/html5_video.asp, retained URL: https://www.w3schools.com/html/mov_bbb.mp4
- MDN interactive examples, documentation page checked: https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/video, retained URL: https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4
- Test Videos UK, URL discovered from public gist https://gist.github.com/jsturgis/3b19447b304616f18657, retained URL: https://test-videos.co.uk/vids/bigbuckbunny/mp4/av1/360/Big_Buck_Bunny_360_10s_1MB.mp4

Supporting logs are in .logs/playwright-discovery.log and .logs/curl-verification.log.