# LIB2-023 — The grammar detector selects the dark ray

- class: CLAIM · review_state: PUBLISHED · house_tier: not yet assigned
- labels as printed: math_status NOT_PRINTED · attachment NOT_PRINTED · scorecard tier word none (PDF p.169)
- basis: {"pdf_sha256_prefix": "b64ddcd9e16a6dcd", "release": "Rev33.1_S369"}

## Statement

The frozen braid/trace grammar's detector quadratic form has the unique top eigenspace R W0, identifying the dark axis within the declared selector construction.

## Caution

Selecting this dark ray does not select the distinct loaded boundary source ray or the nonlinear action shape.

## Primary source

Appendix E, §7, Dark attachment: detector eigenspace, PDF p.176: "The crown is prefrozen: the grammar’s own detector quadratic form on the 70-dimensional p-sector has spectrum 01 ⊕ (5/3)10 ⊕ 226 ⊕ (5/2)32 ⊕ (9/2)1 (house-recomputed exact) with a unique top eigenspace, frozen pre-target and shown post-freeze to be exactly RW0 (overlap 1.000000000000)."

## Machine

- url: /library-v2/LIB2-023/
- content_sha256: d0f0114182176c1b920e7a0f6a08ee4205646106719202fdbbf2c49c2ff0bcb6
- candidate_ids: C2-105

## Freshness

- BUILD_STAMP S371a · 2026-09-26T22:53Z · master 01d1a5873ede42f5 · cut 9dcc6ce9a8ee3e02
- Declared volatile fields (R36): BUILD_STAMP