Without the specific visual content of that file, I can share the "informative story" of how these types of filenames—and digital video itself—actually work. The Story of the "Digital Fingerprint"
To prove a video hasn't been tampered with. 23331_9u328r1h.mp4
The first segment ( 23331 ) is often a shorthand for the date and time the file was created. Computers count time in seconds starting from January 1, 1970. Without the specific visual content of that file,
To find "lost" files on a hard drive based on their creation timestamps. 23331_9u328r1h.mp4