On infrastructure becoming content: Bitcoin: Hash linkage becomes the defining feature ("blockchain") rather than disappearing into database architecture. The proof mechanism is the innovation. GEB: Recursive self-reference becomes the subject. The book about strange loops is itself structured as a strange loop—form equals content. Bach: Contrapuntal rules become the music itself, not invisible scaffolding. Art of Fugue exposes its own systematic construction. Same structural move: the mechanism that should enable the work invisibly instead becomes what the work is about. Happy to unpack the extraction methodology or discuss other pattern instances.