{ "capability_id": "engineering.tolerance.worst_case", "tool_id": "worst-case-analysis", "engine": "worst-case-analysis", "calculation_version": "1.3.0", "generated_at": "2026-09-16T22:03:43.730Z", "engine_build": "2026-09-12", "test_count": 27, "passed": 27, "failed": 0, "tests_summary": { "golden": { "total": 7, "passed": 7 }, "boundary": { "total": 7, "passed": 7 }, "property": { "total": 13, "passed": 13 } }, "engine_tested": true, "expert_reviewed": false, "internally_reviewed": true, "review_kind": "internal", "source_checked": true, "reviewed_by": "CalculatorX tolerance / mechanical engineering review", "reviewer_role": "tolerance-engineer", "last_reviewed": "2026-09-12", "expert_review": { "status": "not_applicable", "reviewer": null, "note": "Internal domain review completed; not a named external expert review.", "kind": "internal" }, "internal_review": { "status": "approved", "reviewer": { "name": "CalculatorX tolerance / mechanical engineering review", "role": "tolerance-engineer" }, "reviewed_at": "2026-09-12", "scope": [ "formula", "assumptions", "limitations", "sources", "input semantics", "error codes", "REST compatibility", "unit policy", "tests" ], "layers": [ { "id": "model", "label": "Model / formula", "reviewed_at": "2026-08-12", "status": "current", "note": "Formula and engineering assumptions unchanged in v1.3.0.", "scope": [ "formula", "assumptions", "limitations", "sources" ] }, { "id": "interface", "label": "Interface / input semantics", "reviewed_at": "2026-09-12", "status": "current", "note": "Canonical non-negative magnitudes, REST signed compatibility, overflow, and unit label policy.", "scope": [ "input semantics", "error codes", "REST compatibility", "unit policy", "tests" ] } ], "kind": "internal" }, "page": "https://www.calculatorx.com/calc/engineering/worst-case-analysis", "api": "https://www.calculatorx.com/api/v1/calc/worst-case-analysis", "schema_input": "https://www.calculatorx.com/schemas/engineering.tolerance.worst_case.input.json", "schema_output": "https://www.calculatorx.com/schemas/engineering.tolerance.worst_case.output.json", "assumptions": [ "Linear 1-D magnitude stack only", "Unit sensitivity |cᵢ|=1", "Worst-case assumes every included contributor can reach its declared limit", "RSS comparison assumes consistent statistical basis and independence", "Canonical/UI magnitudes are non-negative; REST signed values ignore sign" ], "limitations": [ "1-D linear magnitude stack only — not a full nominal min/max dimensional chain", "RSS comparison assumes consistent statistical basis and independence", "MCP/agent input schema is canonical (tolerances[] ≥ 0); REST still accepts tol[] / tol1…tol8", "Canonical/UI magnitudes must be ≥ 0 (NEGATIVE_TOLERANCE_MAGNITUDE). REST signed values ignore sign (SIGN_IGNORED_FOR_TOLERANCE_MAGNITUDE)", "Unit is a shared label; all contributors must already use the same unit — no conversion" ], "boundary_conditions": [ "No tol → MISSING_REQUIRED_INPUT", "Canonical negative → NEGATIVE_TOLERANCE_MAGNITUDE", "binary64 overflow → RESULT_OVERFLOW" ], "sources": [ { "title": "NISTIR 6223 — Design for Tolerance of Electromechanical Assemblies", "section": "Worst-case tolerance analysis", "url": "https://nvlpubs.nist.gov/nistpubs/Legacy/IR/nistir6223.pdf", "supports": "Deterministic analysis using component max/min limits for assembly requirements", "kind": "reference" }, { "title": "ASME Y14.5 — Dimensioning and Tolerancing", "section": "Dimensional tolerancing / GD&T semantics", "url": "https://www.asme.org/codes-standards/find-codes-standards/y14-5-dimensioning-tolerancing", "supports": "Background language for dimensions and tolerances (not the Σ|t| algorithm itself)", "kind": "standard" } ], "methods": [], "fingerprint": "sha256:385eede741ce878fa115231e8c7a6758469899f23e10067431a6df315b7c33ef", "tests": [ { "id": "wca", "ok": true, "kind": "golden", "inputs": { "tol1": 0.1, "tol2": 0.2, "tol3": 0.1 }, "expect": { "stack": 0.4, "stack_rss": 0.2449489742783178, "wc_over_rss": 1.632993161855452 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 3, "tol": [ 0.1, 0.2, 0.1 ], "tolerances": [ 0.1, 0.2, 0.1 ], "unit": null, "stack": 0.4, "stack_worst": 0.4, "stack_rss": 0.24494897427831783, "rss_over_wca": 0.6123724356957946, "wc_over_rss": 1.632993161855452, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "empty", "ok": true, "kind": "boundary", "inputs": {}, "expectError": "MISSING_REQUIRED_INPUT", "code": "MISSING_REQUIRED_INPUT", "error": "need at least one tolerance" }, { "id": "two", "ok": true, "kind": "golden", "inputs": { "tol1": 0.5, "tol2": 0.5 }, "expect": { "stack": 1, "stack_rss": 0.7071067811865476 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 2, "tol": [ 0.5, 0.5 ], "tolerances": [ 0.5, 0.5 ], "unit": null, "stack": 1, "stack_worst": 1, "stack_rss": 0.7071067811865476, "rss_over_wca": 0.7071067811865476, "wc_over_rss": 1.414213562373095, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "one", "ok": true, "kind": "golden", "inputs": { "tol1": 0.2 }, "expect": { "stack": 0.2, "stack_rss": 0.2, "n": 1 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 1, "tol": [ 0.2 ], "tolerances": [ 0.2 ], "unit": null, "stack": 0.2, "stack_worst": 0.2, "stack_rss": 0.2, "rss_over_wca": 1, "wc_over_rss": 1, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "zeros", "ok": true, "kind": "golden", "inputs": { "tol": [ 0, 0, 0 ] }, "expect": { "stack": 0, "stack_rss": 0, "n": 3 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 3, "tol": [ 0, 0, 0 ], "tolerances": [ 0, 0, 0 ], "unit": null, "stack": 0, "stack_worst": 0, "stack_rss": 0, "rss_over_wca": null, "wc_over_rss": null, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "signed", "ok": true, "kind": "golden", "inputs": { "tol1": 0.1, "tol2": -0.2, "tol3": 0.3 }, "expect": { "stack": 0.6, "stack_rss": 0.37416573867739417 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 3, "tol": [ 0.1, -0.2, 0.3 ], "tolerances": [ 0.1, -0.2, 0.3 ], "unit": null, "stack": 0.6000000000000001, "stack_worst": 0.6000000000000001, "stack_rss": 0.37416573867739417, "rss_over_wca": 0.6236095644623235, "wc_over_rss": 1.6035674514745464, "warnings": [ { "code": "SIGN_IGNORED_FOR_TOLERANCE_MAGNITUDE", "severity": "warning", "detail": "Negative values are treated as tolerance magnitudes; the sign is ignored. This calculator does not encode dimensional direction.", "suggestion": "For +/− dimensional direction, use Tolerance Stack-up Engineering mode." }, { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "canonical", "ok": true, "kind": "golden", "inputs": { "tolerances": [ 0.1, 0.2, 0.1 ], "unit": "mm" }, "expect": { "stack": 0.4, "unit": "mm", "n": 3 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 3, "tol": [ 0.1, 0.2, 0.1 ], "tolerances": [ 0.1, 0.2, 0.1 ], "unit": "mm", "stack": 0.4, "stack_worst": 0.4, "stack_rss": 0.24494897427831783, "rss_over_wca": 0.6123724356957946, "wc_over_rss": 1.632993161855452, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "tol-array", "ok": true, "kind": "golden", "inputs": { "tol": [ 0.1, 0.2, 0.1 ] }, "expect": { "stack": 0.4 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 3, "tol": [ 0.1, 0.2, 0.1 ], "tolerances": [ 0.1, 0.2, 0.1 ], "unit": null, "stack": 0.4, "stack_worst": 0.4, "stack_rss": 0.24494897427831783, "rss_over_wca": 0.6123724356957946, "wc_over_rss": 1.632993161855452, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "boundary-wca-zeros", "ok": true, "kind": "boundary", "inputs": { "tol": [ 0, 0, 0 ] }, "expect": { "stack": 0, "stack_rss": 0 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 3, "tol": [ 0, 0, 0 ], "tolerances": [ 0, 0, 0 ], "unit": null, "stack": 0, "stack_worst": 0, "stack_rss": 0, "rss_over_wca": null, "wc_over_rss": null, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "boundary-wca-signed", "ok": true, "kind": "boundary", "inputs": { "tol1": -0.1, "tol2": 0.2, "tol3": -0.3 }, "expect": { "stack": 0.6 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 3, "tol": [ -0.1, 0.2, -0.3 ], "tolerances": [ -0.1, 0.2, -0.3 ], "unit": null, "stack": 0.6000000000000001, "stack_worst": 0.6000000000000001, "stack_rss": 0.37416573867739417, "rss_over_wca": 0.6236095644623235, "wc_over_rss": 1.6035674514745464, "warnings": [ { "code": "SIGN_IGNORED_FOR_TOLERANCE_MAGNITUDE", "severity": "warning", "detail": "Negative values are treated as tolerance magnitudes; the sign is ignored. This calculator does not encode dimensional direction.", "suggestion": "For +/− dimensional direction, use Tolerance Stack-up Engineering mode." }, { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "boundary-wca-canonical", "ok": true, "kind": "boundary", "inputs": { "tolerances": [ 0.1, 0.2, 0.1 ], "unit": "mm" }, "expect": { "stack": 0.4, "unit": "mm" }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 3, "tol": [ 0.1, 0.2, 0.1 ], "tolerances": [ 0.1, 0.2, 0.1 ], "unit": "mm", "stack": 0.4, "stack_worst": 0.4, "stack_rss": 0.24494897427831783, "rss_over_wca": 0.6123724356957946, "wc_over_rss": 1.632993161855452, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "boundary-wca-many", "ok": true, "kind": "boundary", "inputs": { "tol": [ 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01 ] }, "expect": { "stack": 1, "n": 100 }, "expectWarning": null, "actual": { "mode": "worst_case", "n": 100, "tol": [ 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01 ], "tolerances": [ 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01 ], "unit": null, "stack": 1.0000000000000007, "stack_worst": 1.0000000000000007, "stack_rss": 0.09999999999999998, "rss_over_wca": 0.09999999999999991, "wc_over_rss": 10.000000000000009, "warnings": [ { "code": "RSS_COMPARISON_ASSUMPTION", "severity": "info", "detail": "RSS comparison assumes tolerance magnitudes have a consistent statistical basis and contributions are independent.", "suggestion": "For distribution-aware statistical analysis, use Monte Carlo Tolerance Analysis (engineering.tolerance.monte_carlo)." }, { "code": "WCA_MODEL_SCOPE", "severity": "info", "detail": "Worst-case bounds the declared 1-D linear stack when every included contributor remains within its specified limits. Model assumes unit sensitivity |cᵢ|=1.", "suggestion": "For nominal / direction / asymmetric ±Tol use Tolerance Stack-up. For general |cᵢ| use Uncertainty Propagation." } ] }, "tol": 1e-12 }, { "id": "boundary-wca-overflow", "ok": true, "kind": "boundary", "inputs": { "tolerances": [ 1e+308, 1e+308 ] }, "expectError": "RESULT_OVERFLOW", "code": "RESULT_OVERFLOW", "error": "Result overflowed the IEEE-754 binary64 range." }, { "id": "boundary-wca-canonical-negative", "ok": true, "kind": "boundary", "inputs": { "tolerances": [ 0.1, -0.2, 0.3 ] }, "expectError": "NEGATIVE_TOLERANCE_MAGNITUDE", "code": "NEGATIVE_TOLERANCE_MAGNITUDE", "error": "Tolerance must be a non-negative magnitude." }, { "id": "property-wca", "ok": true, "kind": "property", "detail": "0.4", "expect": 0.4, "actual": 0.4 }, { "id": "property-permutation", "ok": true, "kind": "property", "detail": "order-invariant", "expect": 0.4, "actual": 0.4 }, { "id": "property-sign-invariance", "ok": true, "kind": "property", "detail": "sign-invariant", "expect": 0.6, "actual": 0.6000000000000001 }, { "id": "property-sign-ignored-warning", "ok": true, "kind": "property", "detail": "sign-ignored-warning", "expect": "SIGN_IGNORED_FOR_TOLERANCE_MAGNITUDE", "actual": "SIGN_IGNORED_FOR_TOLERANCE_MAGNITUDE" }, { "id": "property-scale", "ok": true, "kind": "property", "detail": "WC(k·t)=|k|WC(t)", "expect": 0.8, "actual": 0.8 }, { "id": "property-monotonic", "ok": true, "kind": "property", "detail": "add |t| ≥", "expect": 0.4, "actual": 0.45 }, { "id": "property-wc-ge-rss", "ok": true, "kind": "property", "detail": "Σ|t| ≥ √Σt²", "expect": 0.24494897427831783, "actual": 0.4 }, { "id": "property-one", "ok": true, "kind": "property", "detail": "single", "expect": 0.2, "actual": 0.2 }, { "id": "property-zeros", "ok": true, "kind": "property", "detail": "all-zero", "expect": 0, "actual": 0 }, { "id": "property-canonical", "ok": true, "kind": "property", "detail": "tolerances[]", "expect": 0.4, "actual": 0.4 }, { "id": "property-scale-n", "ok": true, "kind": "property", "detail": "n=1000", "expect": 1, "actual": 1.0000000000000007 }, { "id": "property-warnings", "ok": true, "kind": "property", "detail": "structured warnings", "expect": 2, "actual": 2 }, { "id": "property-wc-over-rss", "ok": true, "kind": "property", "detail": "WC/RSS", "expect": 1.632993161855452, "actual": 1.632993161855452 } ], "tier": "internally_reviewed", "verification": { "tests": { "passed": 27, "total": 27, "golden": 7, "boundary": 7, "property": 13 }, "contract_checks": { "passed": 8, "total": 8 } }, "evidence_core_generated_at": "2026-09-12T08:46:25.940Z", "rendered_at": "2026-09-16T22:03:43.730Z", "release_integrity": { "status": "verified", "scope": "workspace", "production_attestation_required": true, "calculation_version": "1.3.0", "artifacts": { "engine": "1.3.0", "page": "1.3.0", "capability": "1.3.0", "evidence": "1.3.0", "input_schema": "1.3.0", "output_schema": "1.3.0", "mcp_contract": "1.3.0" }, "digests": { "input_schema_sha256": "9aad061f476a351cdcbe3256b8acc8d684a701499f9a3a35e97058aa2e141f80", "output_schema_sha256": "abd371ac9a76f0e7e9c13648cb220b15a2e9d154c98dd00d109186bda1f48251", "evidence_sha256": "0f9ce80fc3570b84e256eafbb9157d18c84db56b7c65a0fe46e2fbc3dbbe29e9", "evidence_core_sha256": "0f9ce80fc3570b84e256eafbb9157d18c84db56b7c65a0fe46e2fbc3dbbe29e9", "capability_sha256": "5d7763481cc234bfd2781f847ab135bc4903369ae31bc9cb92ab3f8c34fe28a9", "engine_sha256": "c8d4ccdbfeaf61d7b024d4e1babb0c2ba3b324c1b37bd0cb456a526d8d2b1bd1", "mcp_contract_sha256": "863098b311a7b17dc4b229a6302b90b3545b175f716e5d84772c7be8e9716b86" }, "contract_checks": { "total": 8, "passed": 8, "failed": 0, "items": [ { "id": "contract-page-version", "status": "pass", "detail": "1.3.0" }, { "id": "contract-capability-version", "status": "pass", "detail": "1.3.0" }, { "id": "contract-input-schema-version", "status": "pass", "detail": "1.3.0" }, { "id": "contract-output-schema-version", "status": "pass", "detail": "1.3.0" }, { "id": "evidence-version-matches-manifest", "status": "pass", "detail": "1.3.0" }, { "id": "schema-valid-input-executes", "status": "pass" }, { "id": "engine-success-output-validates-schema", "status": "pass" }, { "id": "schema-rejects-incomplete-input", "status": "pass" } ] }, "report": "https://www.calculatorx.com/.well-known/calculatorx-release-integrity.json" } }