: These are text files containing technical info about the video rip (bitrate, encoder, source). These are usually bundled in the original download folder from sites like STAGATV.
Since "paper" is not a standard technical term for video files, you are likely looking for one of the following: Big Sky S03E05 | STAGATV.COM.mkv.mkv
The file extension .mkv.mkv suggests the file may have been renamed incorrectly or is from a third-party distribution site. Ensure you have a reliable antivirus active when downloading associated "papers" or subtitle files from unofficial sources. : These are text files containing technical info