{
 "id": "LIB2-002",
 "entry_version": 9,
 "class": "CLAIM",
 "title": "Physical atmospheric registration of the internal 7/16 mismatch",
 "statement": "The registration sin²θ₂₃ = 7/16 is a Loaded-correspondence: the chirality and octant torsors admit exactly two equivariant bijections, and the registered map chooses one by convention.",
 "scope": {
  "carrier": "Chirality torsor and atmospheric-octant torsor",
  "domain": "PMNS atmospheric mixing",
  "group": "Z2-equivariant registrations",
  "hypotheses": [
   "The internal mismatch identity is recorded separately in G-360.",
   "The registered chirality-to-octant correspondence chooses one equivariant bijection by convention."
  ],
  "physical_target": "sin²θ₂₃ = 7/16, lower-octant registration",
  "quantifier": "The retained physical registration, not every equivariant identification.",
  "real_form": null
 },
 "source_labels_as_printed": {
  "math_status": "NOT_PRINTED",
  "attachment": "Loaded-correspondence",
  "scorecard_tier_word": null,
  "pdf_page": 59
 },
 "house_tier": null,
 "review_state": "PUBLISHED",
 "scientific_status": "UNDER_REVIEW (house status not yet adjudicated)",
 "evidence_status": [
  {
   "kind": "registry",
   "availability": "shipped"
  },
  {
   "kind": "computational",
   "availability": "unknown"
  }
 ],
 "primary_source": {
  "component": "Paper 3",
  "section": "§5.4, What survives, and it is not nothing",
  "pdf_page": 64,
  "quote": "A1566/D1244 finds that s501 does not uniquely register that mismatch to the physical lower atmospheric octant: the chirality torsor and the octant torsor admit exactly two equivariant bijections and s501 chooses one by convention."
 },
 "caution": "This registration does not derive the physical atmospheric octant. Excluding the loaded physical target does not by itself refute the internal mismatch identity unless the readout attachment is first derived.",
 "candidate_ids": [
  "C2-005",
  "C2-059"
 ],
 "basis": {
  "pdf_sha256_prefix": "b64ddcd9e16a6dcd",
  "release": "Rev33.1_S369"
 },
 "relationships": [
  {
   "type": "depends_on",
   "target": "LIB2-356"
  },
  {
   "type": "compares_with",
   "target": "SL-25"
  },
  {
   "type": "rests_on_premise",
   "target": "PRM-012"
  }
 ],
 "url": "/library-v2/LIB2-002/",
 "content_sha256": "b8d4b0e005af4b17daf506288ac1f7d6f67ea47d76ab0e705904126010a5f9bf",
 "build_stamp": "BUILD_STAMP S371a · 2026-09-26T22:53Z · master 01d1a5873ede42f5 · cut 9dcc6ce9a8ee3e02"
}