091522_001-1pon.mp4 -

In some systems, a "1" or "-1" suffix is automatically added when a file is a duplicate or a slightly modified version of an original.

Some operating systems use a tilde or similar characters (like ~1 ) to truncate long filenames for older system compatibility. 091522_001-1pon.mp4

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 In some systems, a "1" or "-1" suffix

Are you trying to track down the origin of this specific file, or Professional file naming conventions often use MMDDYY or

This denotes the first file or take in a series captured on that specific date. In a high-volume environment—like a drone flight, a dashcam, or a film set—this ensures each individual clip remains unique even if multiple recordings are made in a single session. 3. The Suffix: -1pon