{"query": "3.4 DPMO → 6.0 σ", "count": 3, "results": [{"id": "card_v_5724fa2cfb10", "title": "3.4 DPMO → 6.0 σ", "shelf": "manufacturing", "surface": "secular", "snippet": "Verdict: HOLDS.\n• manufacturing.sigma_level: DPMO=3 → ~6.00σ (matches claim 6.0, diff 0.00 ≤ 0.2)\nSealed and independently re-checkable: https://narrowhighway.com/s/1288a45ce2079daf97ebabdd8db20d03f10", "authority_tier": "engine", "source": "Verified by the engine — manufacturing", "generated": false}, {"id": "card_domchk_manufacturing_claimed_sigma", "title": "Manufacturing: sigma", "shelf": "manufacturing", "surface": "secular", "snippet": "A worked check in manufacturing: sigma.\n\nGIVEN\n  dpmo = 233\n  k = 3\n  process_sigma = 2\n  sigma = 2\n  tolerance_sigma = 0.1\n\nCLAIMED\n  claimed_sigma = 5\n\nTHE ENGINE'S VERDICT\n  manufacturing.sigma_lev", "authority_tier": "reference", "source": "The verifier's own documented relation, and a run this engine performed against it (deterministic; re-runnable with tools/domain_goldens.py)", "generated": false}, {"id": "card_works_six_sigma", "title": "What 'six sigma' actually means", "shelf": "the-works", "surface": "secular", "snippet": "A process running at 3.4 defects per million opportunities is, by definition, at the six-sigma quality level — the target that named a whole discipline.  Worked & sealed by the engine — 3.4 DPMO → 6.0", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}]}