Bug Receipt v1.3.0 — verified audit gate
Verified impact
- Pre-registered A/B: 18/20 (90%) with Bug Receipt vs 7/20 (35%) without it (+55 percentage points).
- Exact paired McNemar p = 0.003418.
- Natural routing: 4/4; automatic receipts: 4/4; evidence-safety regressions: 0; candidate actions: 0.
- Corroborating run: 19/20 vs 7/20.
What changed
- Mandatory complete receipt for bug and incident closeout, even under concise prompts.
- SHA-verified raw benchmark reports, executable decision gate, and transparent quarantine history.
- Updated premium benchmark presentation and AI-readable metadata.
The measured claim is intentionally bounded to the published four-case coding-agent bug-closeout cohort.