Book XXV · This cut
KATANA extras
Track A · BCables, Deck, Jordan/Albert, E8→E7→G2. Inversion Layer.
Bridge
Left Tower = Layer A. Right Tower = B+C. Cables = R–Re–Read–Reed. Deck = Spokandana. Joanna pillars as supports. E8 → E7 → G2 and Jordan/Albert 27D are Lie-algebra study notes.
Inversion
Inversion Layer 20–22 May 2026 is a study date, not a filing.