# LIB2-003 — SL-25: NuFIT 6.1 lower-octant atmospheric 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.325)
- basis: {"pdf_sha256_prefix": "b64ddcd9e16a6dcd", "release": "Rev33.1_S369"}

## Statement

The ledger’s NuFIT normal-hierarchy, lower-octant comparator for sin²θ₂₃ is 0.470 with asymmetric errors +0.017 and −0.014.

## Primary source

Appendix X, Honest precision summary: Atmospheric angle bullet, PDF p.345: "NuFIT 6.1 NH (w/SK) global best fit 0.470+0.017 −0.014"

## Machine

- url: /library-v2/LIB2-003/
- content_sha256: 65fd240127992ad0c0661cf704b4070eceec4b86599979ac9835e3385cfd8800
- candidate_ids: C2-203

## Freshness

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