{
 "id": "LIB2-195",
 "entry_version": 11,
 "class": "CLAIM",
 "title": "The frozen symplectic braid representation has a nonscalar centre",
 "statement": "The registered B1 and B2 give a symplectic representation B3 → Sp(V56) with nonscalar centre (B1B2)³ = I − 2Pact; only the active sector projectivizes to PSL(2,Z).",
 "scope": {
  "carrier": "The registered braid generators on the frozen real V56 carrier",
  "domain": "The frozen symplectic braid representation, not the winding-category functor.",
  "group": null,
  "hypotheses": [
   "Use the registered B1, B2 and active-sector projector in Appendix T §14.2."
  ],
  "physical_target": null,
  "quantifier": "The registered construction and its stated premises.",
  "real_form": null
 },
 "source_labels_as_printed": {
  "math_status": "NOT_PRINTED",
  "attachment": "NOT_PRINTED",
  "scorecard_tier_word": null,
  "pdf_page": 313
 },
 "house_tier": null,
 "review_state": "PUBLISHED",
 "scientific_status": "UNDER_REVIEW (house status not yet adjudicated)",
 "evidence_status": [
  {
   "kind": "computational",
   "availability": "unknown"
  }
 ],
 "primary_source": {
  "component": "Appendix T",
  "section": "§14.2, Braid representation and centre",
  "pdf_page": 331,
  "quote": "exactly and are symplectic: a genuine representation B3 → Sp(V56 ). The centre is computed and is not scalar — (B1 B2 )3 = I − 2Pact — so there is no global PSL(2, Z); only the active sector projectivizes."
 },
 "caution": "The representation does not supply the missing functor to the winding category or identify the trace-three word with a physical lepton neck.",
 "candidate_ids": [
  "C2-104"
 ],
 "basis": {
  "pdf_sha256_prefix": "b64ddcd9e16a6dcd",
  "release": "Rev33.1_S369"
 },
 "relationships": [
  {
   "type": "related_to",
   "target": "LIB2-015"
  },
  {
   "type": "related_to",
   "target": "LIB2-194"
  },
  {
   "type": "related_to",
   "target": "LIB2-143"
  },
  {
   "type": "cited_by_section",
   "target": "E-C05.2.claims-used"
  },
  {
   "type": "cited_by_section",
   "target": "E-C05.2.derivation"
  },
  {
   "type": "cited_by_section",
   "target": "E-C05.2.prior-art"
  },
  {
   "type": "cited_by_section",
   "target": "E-C05.2.sources-receipt"
  }
 ],
 "url": "/library-v2/LIB2-195/",
 "content_sha256": "70fa18092207fb1df5172f088b93538fe3d78c8f138e23f59921ec3a7a57ac92",
 "build_stamp": "BUILD_STAMP S371a · 2026-09-26T22:53Z · master 01d1a5873ede42f5 · cut 9dcc6ce9a8ee3e02"
}