PN — Reproducibility uses five mechanisms: fixed seed=42 propagated everywhere,…

Reproducibility uses five mechanisms: fixed seed=42 propagated everywhere, temperature=0.0 on all inferences, response caching by SHA-256 prompt hash, pinned software/model versions, and persisted run metadata (timestamp + run-spec hash) — achieving bit-exact warm-state reproducibility.

Source: PUMA project documentation · Traceability: corpus unit MEM-037 · Confidence: verified-at-primary-source