Based on available information, there is no widely known official "deep paper" document or technical research paper associated with the game . This title is a skeleton-themed cooking simulation developed by Acute Owl Studio.

Could you clarify or what specific information you are hoping to find within the "deep paper"? Cozy Games Perfect for the Spooky Season - LadiesGamers

A collection of advanced strategy guides or "deep dives" into game mechanics compiled into a compressed .rar file by players.

If you encountered this specific filename and term in a community forum or file-sharing site, it may refer to one of the following:

Be cautious; files with .rar extensions from unknown sources can sometimes be mislabeled or contain malicious software.

An unofficial leak or collection of early design papers (sometimes called "white papers" or "deep design papers") from the developer.