091522_001-1pon.mp4 -

Some operating systems use a tilde or similar characters (like ~1 ) to truncate long filenames for older system compatibility.

Are you trying to track down the origin of this specific file, or 091522_001-1pon.mp4

In specific media workflows, "pon" may be an internal shorthand for a specific camera angle, a "point of note," or a technical setting. 4. The Format: .mp4 Some operating systems use a tilde or similar

The first segment almost certainly represents a date: . Professional file naming conventions often use MMDDYY or YYMMDD to ensure chronological sorting in digital folders. 2. The Sequence Number: 001 or In specific media workflows

The filename appears to follow a structured naming convention typically used for automated archiving or professional media production. 1. The Date Stamp: 091522