These strings are often searched for by people trying to trace the origin of a specific viral clip or "lost" media. How to find the actual content:
Occasionally, if a video goes viral on forums like Reddit or 4chan, users will reference the raw filename. 0gmrjkvlhyc7r80bsi54i_source.mp4
However, based on how these alphanumeric strings usually function, this specific file name is most frequently associated with or Reels that have been downloaded or cached. Where this file name comes from: These strings are often searched for by people
If you recently saved a video, it is likely the last one added. Where this file name comes from: If you
If you used a website or app to save a video from a private or public account, it often retains the original server-side filename (the "source").
When you view a Story on Instagram, your phone often saves the video data with a randomized string like this one.