The Peripheral S1E4: "Jackpot" --- It's an Exposition Dump! | TV
: Lev is explaining how his family, the Klept, maintained power and wealth. "Deep paper" is part of their technological capability to manipulate or replicate physical reality through advanced assembly.
: The term underscores the Klept's "atavistic tribal unity" and their reliance on extreme violence and absolute control over information to survive the apocalyptic "Jackpot" events.