HA + independent Lean evidence · Research, not Alpha admission

AP029 — approximation record decision

Full irrationality (IR072/G121) remains open. Stable: 432. Alpha v35: 4,318. This checkpoint changes neither catalogue.

Exact named statement

forall n up ud rb rc. (NatSqrt2ApproxRecord(n,up,ud,rb,rc)) \/ ~(NatSqrt2ApproxRecord(n,up,ud,rb,rc))

ND0449 — NatSqrt2ApproxRecord

Fully expanded target AST

Complete certificate and independent checks

178 actual local proof nodes. Each node carries its complete ordinary HA proof body.

Full canonical proof bundle · Original HA receipt · Independent Lean receipt

Target SHA-256: b08c1a483e177d9fa80cb2c787464ff0ad2f2a27dc52543517056b1184e2896e
Bundle SHA-256: e51a07de3eaf87cd53ec90045924966c992a365365a5643f872ffa483d7c78b7

Checked statement containment

These exact targets occur inside this certificate. These links summarize containment, not direct dependency arrows; the downloadable bundle records every private lemma and ordered edge.

AP027 · CV032 · SQ001

Scope

constructively decide any supplied fifteen field approximation record by actual beta decoding complete sample decision and equality transport of all competing internal fields without unbounded search or classical axioms

None of these finite arithmetic statements closes an IR campaign parent. The analytic identification, interpolation and final positive irrationality certificate remain open.