: In legal or forensic contexts, a "paper" would refer to a chain of custody or an extraction report detailing when and how this specific file was downloaded or recorded.
If you are looking for a "paper" related to this, it is likely one of the following:
: A standard ISO-style date/time stamp used by Android and iOS file systems to prevent filename duplication. Potential Contexts
However, based on the technical specifications in the filename, Technical Breakdown