# LIB2-214 — SL-11: First-row Cabibbo-magnitude comparator

- class: COMPARATOR · review_state: PUBLISHED · house_tier: not yet assigned
- labels as printed: math_status NOT_PRINTED · attachment NOT_PRINTED · scorecard tier word none (PDF p.47)
- basis: {"pdf_sha256_prefix": "b64ddcd9e16a6dcd", "release": "Rev33.1_S369"}

## Statement

The ledger’s first-row-average comparator for |Vus| is 0.22431 ± 0.00085.

## Primary source

Paper 3, §2, Named comparator for the corrected first-row readout, PDF p.49: "compared with PDG 2026 0.22431 ± 0.00085"

## Machine

- url: /library-v2/LIB2-214/
- content_sha256: 16f762245466a45921ebffa7a415cab5761276f62931576593dbb9cb2cbc21ba
- candidate_ids: C2-189

## Freshness

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