{
 "id": "LIB2-063",
 "entry_version": 7,
 "class": "CLAIM",
 "title": "The framework-angle Route-B readout gives the corrected Cabibbo value",
 "statement": "The data-selected Route-B readout |Vus| = sin θ12/√6 gives 0.225256 when the framework solar angle is used.",
 "scope": {
  "carrier": "The Route-B Peirce first-row correspondence",
  "domain": "The corrected framework-angle readout, not its rounded-angle variant or measured-angle diagnostic.",
  "group": null,
  "hypotheses": [
   "Use the framework solar angle rather than the measured NuFIT angle.",
   "Route B is selected against kaon data."
  ],
  "physical_target": "|Vus|",
  "quantifier": "The registered readout and its stated premises.",
  "real_form": null
 },
 "source_labels_as_printed": {
  "math_status": "NOT_PRINTED",
  "attachment": "NOT_PRINTED",
  "scorecard_tier_word": "Loaded",
  "pdf_page": 51
 },
 "house_tier": null,
 "review_state": "PUBLISHED",
 "scientific_status": "UNDER_REVIEW (house status not yet adjudicated)",
 "evidence_status": [
  {
   "kind": "computational",
   "availability": "unknown"
  }
 ],
 "primary_source": {
  "component": "Paper 3",
  "section": "§2, Route-B readout",
  "pdf_page": 48,
  "quote": "The CKM first row is canonically fixed by the Peirce J12 block through Route B: PMNS sin θ12 |Vus | = √ ≈ 0.22526. (1) 6"
 },
 "caution": "A derived block weight does not make the data-selected route a first-principles prediction.",
 "candidate_ids": [
  "C2-009",
  "C2-062"
 ],
 "basis": {
  "pdf_sha256_prefix": "b64ddcd9e16a6dcd",
  "release": "Rev33.1_S369"
 },
 "relationships": [
  {
   "type": "depends_on",
   "target": "LIB2-060"
  },
  {
   "type": "depends_on",
   "target": "LIB2-050"
  },
  {
   "type": "compares_with",
   "target": "SL-11"
  },
  {
   "type": "rests_on_premise",
   "target": "PRM-017"
  }
 ],
 "url": "/library-v2/LIB2-063/",
 "content_sha256": "b2fb35516ed4ae59dd411b6a67ce3a6f9508982f8cffc7d4c3190f242613ac4c",
 "build_stamp": "BUILD_STAMP S371a · 2026-09-26T22:53Z · master 01d1a5873ede42f5 · cut 9dcc6ce9a8ee3e02"
}