That specific filename, , appears to be a unique identifier often used in technical archives, law enforcement evidence, or specialized research databases.
If this relates to a public case or project, search the specific organization's Digital Evidence Portal or FOIA archive . 031823_001-1PON.mp4
If this was provided in a brief or report, check the Appendix or Footnotes for the hosting server address. That specific filename, , appears to be a
Standard format for automated exports from commercial fleet or smart-home security systems. That specific filename
The "PON" suffix is frequently used in Canadian law enforcement (Provincial Offence Notice) or specific digital evidence management systems like Axon.