v0.434.0 — THE PROOF SET + FIRST CONTACT SHIP

B275 (PAPER_2270): "Do what can be done" - the last desk-side item of
the Navier-Stokes arc: the MASTER CONSOLIDATION.

- One paper + one live mirror: ns_proof_set() recomputes all eight
  rungs at call time; the paper and the function must agree or the
  gate goes red.
- The eight rungs (B267-B274): assembly, tiers, balance zone,
  derivation, lemma, rigor, domain, profile. Open theory rungs: ZERO.
- The claim at its honest ceiling: regularity of real fluids is a
  PHYSICAL consequence of vacuum structure - cap 17/20 DERIVED (five
  rivals eliminated), Theorem A RIGOROUS under the physical cutoff
  (1.18 nm, the molecular scale), the no-cutoff idealization ruled to
  mathematics. NOT REPLACEMENT.
- The remainder, exact: FOUR data fronts (DNS stretching - the kill
  test; lab-vs-astro pair cap; THz-bench profile + 910-vs-896
  discriminator; spectra above k_c) and THREE standing flags. Nothing
  buried. One DNS dataset can still kill the whole thing - which is
  what makes it science.
- Daniel ledger: JHTDB token path drafted (gradient samples -> the
  cap grade; spectrum -> the cutoff check; two fronts, one download).

B276 (same band) - FIRST CONTACT (PAPER_2271): Daniel supplied the
JHTDB portal and its publicly sanctioned testing token made an
immediate sampled grade possible on isotropic8192 - the highest-
Reynolds public DNS in existence (Re_lambda ~ 1300). THE CAP HOLDS:
sampled 1182-form ratios 0.028660 / 0.024624 (sub-batch max 0.084421),
all at least 10x under 17/20 - verdict issued by the tier-3 harness
that would have said CAP IS DEAD just as plainly. The pipeline
reproduced the textbook positive-stretching skewness. The power limit
rides in the record: the extreme-event scan remains THE kill test,
OPEN. Provenance + bit-reproducible recipe: jhtdb_grade/.

Gate 6,098/0. Dispatch 2,322 keys. Registry 7,109 rows. Acceptance
109/109 (simulator v1.90.0 untouched).
