PUBLISHED under R67 (condition T-B) — NOT house-adjudicated. Build S371a. What PUBLISHED means here (R72): two non-drafting AI lanes (gemini + grok) read this record's anchor citation on different objects and agreed it SUPPORTS the record's statement; no citation on the record is disputed as support; its machine certificate is current. What it does not mean: no person has signed off on this record (adjudication: NOT_ADJUDICATED), the drafting lane's own reads count for nothing, and 3 of 3 unblocked uses were REVIEWED — the rest were read by one lane or none. Every label shown is the label as printed in the suite of record (Rev33.1_S369 (PDF sha256 b64ddcd9e16a6dcd…)); no house tier is assigned. The state is recomputed from the uses on every build and is withdrawn if they stop justifying it. Receipt: condition R67-TB · anchor SU-656f24a40d5283a7ffcdfcbd · master f97433d9e6ce3586 · S339.

LIB2-252 · Withdrawn canonical reactor half-angle from the moment law

class RETIREDmath status (as printed) —attachment (as printed) —scorecard tier word (as printed) none printedhouse tier not yet assignedreview state PUBLISHEDentry version 7

Statement

Earlier wording treated the reactor half-angle as canonical solely by appeal to the symplectic moment half-turn law.

Scope

domain	The claimed forcing of the reactor readout rule, not the moment operator identity or the retained reactor formula.

What this does not show. The retraction leaves the moment law and the numerical reactor formula intact while withholding a derivation of its readout rule.

Sources in the suite of record

Key — use ≠ record. A review state printed on a source use below names that use — one citation of the suite, read by the lane named in its warrant — not this record. The record's own review state is the one in the table above and is unchanged by any use-level state; a use may be LANE_PROPOSED or REVIEWED while the record it sits on remains IN_REVIEW (R45, R49).

Quotes are verbatim from the sha-pinned text extraction of the Rev33.1 PDF (A1584 §2.2, S309): mathematical typography — radicals, exponents, ≅ — can appear displaced in the extracted line. The PDF page is authoritative; the quote is what the machine gate matched.

Appendix B, The T-bridge does not canonicalize the half-angle — PDF p.160 (bytes of record)
review state: REVIEWED · role SUPPORTS · warrant: gemini read SUITE_TEXT_EXTRACT → SUPPORTS · grok read THE_RECORD → SUPPORTS

Earlier wording made the half-angle π/8 canonical by appeal to T 2 = −1. That inference is withdrawn.

The text extraction above lost mathematical typography. Restored from the sealed TeX source (rev32.7/tex/appendix_b_independent_verification.tex:176-177): Earlier wording made the half-angle π/8 canonical by appeal to T²=-1. That inference is withdrawn. (R87 house restoration: rendered from the tex, not the quote; the quote above is what the machine gate matched)

Appendix B, Readout choice rather than forced half-angle — PDF p.160 (bytes of record)
review state: REVIEWED · role CONTEXT · warrant: gemini read SUITE_TEXT_EXTRACT → CONTEXT · grok read THE_RECORD → CONTEXT

it does not select which angle is halved, does not fix the ray the entry is read off, and does not supply the squaring step.

Appendix B, Motivated moment structure and chosen readout — PDF p.160 (bytes of record)
review state: REVIEWED · role CONTEXT · warrant: gemini read SUITE_TEXT_EXTRACT → CONTEXT · grok read THE_RECORD → CONTEXT

The half-angle π/8 is therefore motivated by the moment structure and chosen by the readout rule

Evidence (availability is not outcome)

kind	reference	line / key	availability	note
registry	Rev29 correction, Appendix B p.154; s502/A1275	—	shipped	The suite withdraws the canonicalization inference and leaves readout forcing pending. Neither the moment identity nor the angle is recomputed.

What was said, and what retired it

historical statement	The half-angle π/8 is canonical because T2 = −1.
where it stood	Earlier T-bridge wording, explicitly retracted in Appendix B p.154; C2-006/C2-060
retiring decision	Rev29 T-bridge scope correction, carried in Appendix B p.154; forcing pending at s502/A1275
what the suite prints now	The half-angle π/8 is therefore motivated by the moment structure and chosen by the readout rule PDF p.154 (bytes of record)
successor records	LIB2-061 The reactor-angle formula retains an unforced round-trip readout
why retired	scope_narrowing + scientific_supersession — from the record's own words: `RESULT_CHANGED` → "correction"; `SCOPE` → "scope correction"

A successor is linked, never "derived from" the retired statement (charter §10.10).

Why this record is PUBLISHED (R67, condition T-B)

states a predicate	yes
uses on the record · unblocked	3 · 3
uses any lane has read	3 of 3
REVIEWED SUPPORTS use on the predicate, read by two non-drafting lanes	yes (1)
a SUPPORTS use on the predicate is DISPUTED	no
machine certificate current	yes

Machine certificate (R68)

state MACHINE_CHECKS_PASSED

policy sgtoe-clearance-policy-1.0-RATIFIED · sha16 ef7d6e7690514311

bound to master aad7a3ec6ce3b510 (the master the checks ran on; issued 2026-09-26T05:06Z)

checks

check	result	reason
`schema_valid`	PASS	exercised
`basis_current`	PASS	exercised
`quote_located`	PASS	exercised
`labels_literal`	N/A	class RETIRED not governed by the source_labels rule
`edges_resolved`	PASS	exercised
`bindings_valid`	PASS	exercised

A certificate says the record is well-formed, current, quote-on-page, label-literal, edge-resolved and binding-consistent on the bytes it was issued on. It is not a review, and it goes STALE the moment the master moves under it (R68). It is one conjunct of the PUBLISHED condition (R67), never the whole of it.

History

March library (v1) antecedents	no legacy antecedent identified
Track-2 claim ids	D-MIX-03 — cross-reference; the Track 1 / Track 2 join sets each one against what the sealed suite prints for this record. Where they differ, the suite is the record.
serials	s502 A1275
candidate ids (frozen list S304)	C2-006 C2-060

Drafting-lane note

The old forcing argument, not the numerical target, is retired. Its half-angle, ray and squaring choices remain distinct missing selections. No current Structural label is inferred for this historical record.

Receipt

round D1253 · parsed 2026-09-06T00:06Z · machine gates passed: CONTRACT, G1-quote-on-page, G2-numerals-declared, G4-ids-resolve, DAG-acyclic · content sha256 9944e66bdcaac81052e50f9bbe16fdfa0199b5b3f16f973b411d4e04c6225385

Review this entry

Reviewer verdict line (one per entry, as text): LIB2-252 | PASS or FAIL(G1–G8) or NOT RUN | quote | PDF page | one sentence. G1 source supports the exact scoped assertion · G2 evidence class fits (numbers ≡ digit source) · G3 labels as printed, not converted · G4 comparison typed · G6 public scope · G7 history real · G8 caution present and true. Machine surfaces: index.json · capsule.md.

Generated from library_v2.jsonl. Declared volatile fields (R36): BUILD_STAMP.
BUILD_STAMP S371a · 2026-09-26T22:53Z · master 01d1a5873ede42f5 · cut 9dcc6ce9a8ee3e02