If you are asking because the file is not working, users on communities like r/SwitchPirates typically suggest:
Most commonly, users asking for "paper" for an NSP file are looking for the latest signature patches required to launch unofficial or modified game files on custom firmware like Atmosphère . Potion Permit [010025F0126FE800][v262144][US].n...
Ensure your patches match your current firmware version. If you are asking because the file is