0h4kyz1vxvlrwdmh724z6_source.mp4 -

The filename appears to be a system-generated identifier commonly used by video processing or hosting platforms rather than a standard video from a specific research paper.

The structure—a long alphanumeric string followed by _source —is typical for: 0h4kyz1vxvlrwdmh724z6_source.mp4

Platforms like Mux , JW Player , or Vimeo that assign unique IDs to original uploads (the "source" file) before transcoding them into various qualities. The filename appears to be a system-generated identifier

Uploading a screenshot of the video to an image search tool can often link it back to the original research project or project page. Can anyone tell me where media player finds video file name 0h4kyz1vxvlrwdmh724z6_source.mp4

Systems that store assets using hashes or UUIDs to prevent filename collisions. Contextual Possibilities