{ "protocol": { "name": "CVP", "version": "1.0.0-proposed", "revision": "2026-09-13", "spec_sha256": "f62725968356c92930531cd6085db76e216da06e95be53d636b0d2cf3218b148", "spec": "https://www.calculatorx.com/developers/cvp/spec/1.0" }, "document_status": "proposed", "calculator": { "id": "exponential-growth", "version": "1.0.8", "title": "Exponential Growth Calculator", "formula_family": "exponential_growth", "capability_id": "math.exponential_growth", "verification_revision": "2026-10-13.growth-range-node22" }, "profile": "engineering", "status": "STALE", "verification_status": "VERIFIED", "production_freshness": "STALE", "overall_trust": "VERIFIED_STALE", "runner": { "name": "cvp-runner", "version": "1.0.0" }, "environment": { "runtime": "node", "runtime_version": "22.20.0", "numeric_model": "IEEE-754 binary64", "os": "darwin" }, "suite": { "id": "exponential-growth", "version": "1.0.8", "uri": "https://www.calculatorx.com/evidence/math.exponential_growth/1.0.8.json", "verification_revision": "2026-10-13.growth-range-node22" }, "obligation_set": [ "CVP-PROV-01", "CVP-MODEL-01", "CVP-SCOPE-01", "CVP-UNIT-01", "CVP-REF-01", "CVP-GOLD-01", "CVP-BND-01", "CVP-INV-01", "CVP-NUM-01", "CVP-COV-01", "CVP-CONTRACT-01", "CVP-DEP-01", "CVP-ART-01", "CVP-PROD-01", "CVP-DIM-01", "CVP-PROP-01", "CVP-META-01", "CVP-ROUND-01", "CVP-IFACE-01" ], "provenance": { "mode": "direct", "sources": [ { "label": "NIST DLMF §4.2(i) The Logarithm", "kind": "other", "reference": "Principal logarithm ln z", "url": "https://dlmf.nist.gov/4.2" }, { "label": "NIST DLMF §4.2(iii) The Exponential Function", "kind": "other", "reference": "exp z and the real exponential", "url": "https://dlmf.nist.gov/4.2" }, { "label": "NIST DLMF §4.2(iv) Powers", "kind": "other", "reference": "Principal value z^a = exp(a ln z)", "url": "https://dlmf.nist.gov/4.2" } ] }, "reference": { "items": [ { "class": "O1", "reference_scope": "model", "scope": "model", "label": "Exponential growth and decay" }, { "class": "O3", "reference_scope": "expected_values", "scope": "expected_values", "label": "Precomputed mpmath 1.4.1 exp_growth (80 dps, python backend, round-to-nearest-binary64) — not Node Math.*", "engine": { "name": "exp_growth-mpmath-o3", "precision_bits": 265, "independent_of_iut": true, "library": "mpmath 1.4.1", "mpmath_dps": 80, "rounding": "round-to-nearest-binary64", "backend": "python", "generator_version": "1.0.0", "generator_sha256": "3453ec60bd03738a1f1f3723baed7e617ff49466452efab1844fe68b8f654cea", "table_sha256": "efdad939a92a67df1f3995db36c52bb87f428a59fc73568f789c02540f4372ee", "seed": "20260907", "source": "https://www.calculatorx.com/developers/cvp/reproduce/math-o3-tables.json", "public_table": "/developers/cvp/reproduce/math-o3-tables.json", "public_generator": "/developers/cvp/reproduce/generate-math-o3.py", "public_checker": "/developers/cvp/reproduce/check-math-o3-rest.py" } }, { "class": "O3", "reference_scope": "numerical_behavior", "scope": "numerical_behavior", "label": "Same O3 table vs IUT x(t)/solved variable; ≤32 ULP for iterated pow/log-ratio. Distinct from legacy Evidence case-level tol.", "engine": { "name": "exp_growth-mpmath-o3", "precision_bits": 265, "independent_of_iut": true, "library": "mpmath 1.4.1", "mpmath_dps": 80, "rounding": "round-to-nearest-binary64", "backend": "python", "generator_version": "1.0.0", "generator_sha256": "3453ec60bd03738a1f1f3723baed7e617ff49466452efab1844fe68b8f654cea", "table_sha256": "efdad939a92a67df1f3995db36c52bb87f428a59fc73568f789c02540f4372ee", "seed": "20260907", "source": "https://www.calculatorx.com/developers/cvp/reproduce/math-o3-tables.json", "public_table": "/developers/cvp/reproduce/math-o3-tables.json", "public_generator": "/developers/cvp/reproduce/generate-math-o3.py", "public_checker": "/developers/cvp/reproduce/check-math-o3-rest.py" } }, { "class": "O2", "reference_scope": "expected_values", "scope": "expected_values", "label": "Separate-module exponential-growth oracle", "engine": { "name": "exponential-growth-reference", "precision_bits": 53, "independent_of_iut": true } }, { "class": "O2", "reference_scope": "numerical_behavior", "scope": "numerical_behavior", "label": "Same O2 module backs ≤32 ULP scalar comparison vs IUT (iterated pow/log-ratio)", "engine": { "name": "exponential-growth-reference", "precision_bits": 53, "independent_of_iut": true } } ], "notes": "Legacy O3 mpmath tables are independent of Node pow/exp; do not claim an unrecorded MPFR backend. Additional exact-binary64-input references use Python Decimal at 1200/1600 digits with relative agreement 1e-100 (scripts/data/exponential-growth-review/generate-reference.py). Both tables cover listed inputs only. O2 live identities share V8 with the IUT. Continuous ratePct is k, not percent." }, "controls": { "CVP-PROV-01": { "result": "PASS", "applicability": "required", "notes": "Sources present on evidence" }, "CVP-MODEL-01": { "result": "PASS", "applicability": "required", "notes": "x₀(1+r/100)^t or x₀e^(kt)" }, "CVP-SCOPE-01": { "result": "PASS", "applicability": "required", "notes": "periodic r > −100%; continuous uses k=ratePct; inverse solves any missing field among x₀, r, t given x(t)" }, "CVP-UNIT-01": { "result": "PASS", "applicability": "required", "notes": "consistent time" }, "CVP-REF-01": { "result": "PASS", "applicability": "required", "notes": "O1 model + O3 mpmath table + O2 live identities" }, "CVP-GOLD-01": { "result": "PASS", "applicability": "required", "notes": "14/14 legacy golden; 25/25 oracle-backed numeric" }, "CVP-BND-01": { "result": "PASS", "applicability": "required", "notes": "6/6 CVP boundary · 6/6 legacy Evidence boundary" }, "CVP-INV-01": { "result": "PASS", "applicability": "required", "notes": "6 Evidence illegal-input + 4/4 oracle-backed error-code (exact_error_match, not ULP)" }, "CVP-NUM-01": { "result": "PASS", "applicability": "required", "notes": "CVP ≤32 ULP vs O3 when tabulated (iterated pow/log-ratio, not a correctly-rounded libm); legacy Evidence `tol` is not this policy. Evidence `tol_type` is absolute where declared." }, "CVP-COV-01": { "result": "PASS", "applicability": "required", "notes": "7/7 declared partitions (forward-periodic, forward-continuous, inverse-time, inverse-x0, inverse-rate, verify, invalid-domain) · 14 legacy golden / 6 CVP boundary unique cases · 6 Evidence invalid-input (may overlap boundary)" }, "CVP-CONTRACT-01": { "result": "PASS", "applicability": "required", "notes": "29/29 CVP contract · release-artifacts-aligned=PASS · schema-output-required-declared=PASS · schema-valid-input-executes=PASS · engine-success-output-validates-schema=PASS · schema-rejects-incomplete-input=PASS · input-schema-declares-xt=PASS · input-schema-accepts-inverse-time=PASS · input-schema-accepts-verify=PASS · input-schema-rejects-two-fields=PASS · output-schema-defines-consistency=PASS · input-schema-forward=PASS · rest-forward-output-schema=PASS · rest-forward-consistency=PASS · input-schema-forward-continuous=PASS · rest-forward-continuous-output-schema=PASS · rest-forward-continuous-consistency=PASS · input-schema-inverse-time=PASS · rest-inverse-time-output-schema=PASS · rest-inverse-time-consistency=PASS · input-schema-inverse-x0=PASS · rest-inverse-x0-output-schema=PASS · rest-inverse-x0-consistency=PASS · input-schema-inverse-rate=PASS · rest-inverse-rate-output-schema=PASS · rest-inverse-rate-consistency=PASS · input-schema-verify=PASS · rest-verify-output-schema=PASS · rest-verify-consistency=PASS · rest-success-payload-validates-schema=PASS" }, "CVP-DEP-01": { "result": "PASS", "applicability": "required", "notes": "engine exponential-growth; Node binary64" }, "CVP-ART-01": { "result": "PASS", "applicability": "required", "notes": "release_integrity.status=verified · digests: artifact_evidence_sha256=Evidence core (Trust freshness) · cvp_evidence_digest=artifacts.evidence_digest (fingerprint v2) · evidence_bundle_sha256=legacy Evidence JSON bytes · evidence_catalog_digest=attested_catalog_sha256 · production_sha256=bound production report · see artifacts.digest_registry" }, "CVP-PROD-01": { "result": "PASS", "applicability": "required", "notes": "Capability production binding: STALE · Site report: stale · STALE (freshness / digest drift after last PASS snapshot) · site report stale · local checks pass · local production checks PASS; capability production binding is not CURRENT — final status must stay STALE, not VERIFIED · attestation_id=b6db86a3946922a6529492107ca8043828115b3ffd21d9c4669ff69fb7f854ce · Capability production binding: STALE · Site report: STALE · Public schema 1.0.8 observed · production binding STALE · Semantic contract ✓ · Last attestation PASS · Evidence changed after the last successful production attestation. Re-attestation required. · Public/cache ✓ · Origin ✓ · schema_const=1.0.8 · report output-const=pass · evidence-sha256=pass · semantic-contract=pass · capability-html-public-origin-agree=pass · cvp-manifest-public-origin-agree=pass · cvp-latest-alias-agrees=pass · calculator-html-cvp-projection=pass · evidence-html-cvp-projection=pass · attested_evidence_sha256=8a224dbdcd21223942d0e73df9a3c58e3b2c63d744bd5164790a86cc92da0fc9 · verified_at=2026-10-13T06:22:29.870Z · evidence_attested_at=2026-10-13T06:22:29.870Z · last_confirmed_current_at=2026-10-13T06:22:29.870Z · rendered_at=2026-10-13T06:26:17.426Z · binds=cvp_core_sha256 · Capability production binding: STALE · Site report: STALE · Evidence changed after the last successful production attestation. Re-attestation required.", "check_result": "PASS", "production_state": "STALE", "binding_current": false }, "CVP-DIM-01": { "result": "PASS", "applicability": "applicable", "notes": "Engineering constant-rate model — consistent time units, not a unitless core identity" }, "CVP-PROP-01": { "result": "PASS", "applicability": "applicable", "notes": "3/3 property" }, "CVP-META-01": { "result": "PASS", "applicability": "applicable", "notes": "1/1 metamorphic" }, "CVP-ROUND-01": { "result": "PASS", "applicability": "applicable", "notes": "3/3 round-trips" }, "CVP-XCAL-01": { "result": "SKIP", "applicability": "not_applicable", "notes": "No related calculator in the same formula family / no related-identity peers declared — control not in obligation set" }, "CVP-IFACE-01": { "result": "PASS", "applicability": "applicable", "notes": "UI (SSR) · REST · MCP equivalent (MCP uses calc API handler). Success 21/21. Integration: URL → SSR result → Live graph current point (4/4). Hydration/slider/history are URL-canonical contracts, not a live browser session." }, "CVP-ORACLE-01": { "result": "PASS", "applicability": "higher_assurance", "notes": "O3 13/13 tabulated vectors vs IUT" }, "CVP-EXP-01": { "result": "SKIP", "applicability": "optional", "notes": "named expert review not performed" } }, "tests": { "golden": { "passed": 25, "total": 25, "failed": 0, "case_ids": [ "review-periodic", "review-long-periodic", "review-decay", "review-negative-time", "review-continuous", "review-continuous-decay", "review-time", "review-time-decay", "review-time-continuous", "review-initial", "review-initial-continuous", "review-rate", "review-rate-decay", "review-rate-continuous", "review-zero", "review-zero-continuous", "review-min-subnormal", "review-large-finite", "review-verify", "review-verify-mismatch", "g-eg-100-5-2", "g-eg-50-4-90", "g-eg-decay", "g-eg-cont", "g-eg-cont-neg" ] }, "boundary": { "passed": 6, "total": 6, "failed": 0, "case_ids": [ "r-minus-100", "r-below-minus-100", "solve-t-nonpositive", "solve-t-zero-rate", "solve-rate-zero-t", "boundary-eg-rate" ] }, "invalid": { "passed": 10, "total": 10, "failed": 0, "case_ids": [ "r-minus-100", "r-below-minus-100", "solve-t-nonpositive", "solve-t-zero-rate", "solve-rate-zero-t", "boundary-eg-rate", "invalid-forward-overflow", "invalid-forward-underflow", "invalid-continuous-overflow", "invalid-continuous-underflow" ], "comparison": "exact_error_match", "records": [ { "id": "invalid-forward-overflow", "comparison": "exact_error_match", "expected": { "code": "RESULT_OVERFLOW" }, "actual": { "code": "RESULT_OVERFLOW" }, "match": true }, { "id": "invalid-forward-underflow", "comparison": "exact_error_match", "expected": { "code": "RESULT_UNDERFLOW" }, "actual": { "code": "RESULT_UNDERFLOW" }, "match": true }, { "id": "invalid-continuous-overflow", "comparison": "exact_error_match", "expected": { "code": "RESULT_OVERFLOW" }, "actual": { "code": "RESULT_OVERFLOW" }, "match": true }, { "id": "invalid-continuous-underflow", "comparison": "exact_error_match", "expected": { "code": "RESULT_UNDERFLOW" }, "actual": { "code": "RESULT_UNDERFLOW" }, "match": true } ] }, "property": { "passed": 3, "total": 3, "failed": 0, "case_ids": [ "prop-t0", "prop-r0", "prop-double" ], "definition_ids": [ "identity-at-t0", "identity-at-r0", "double-at-100pct" ] }, "round_trip": { "passed": 3, "total": 3, "failed": 0, "case_ids": [ "rt-time", "rt-x0", "rt-rate" ] }, "metamorphic": { "passed": 1, "total": 1, "failed": 0, "case_ids": [ "meta-time-split" ], "definition_ids": [ "compose-time" ] }, "contract": { "passed": 29, "total": 29, "failed": 0 }, "cross_interface": { "passed": 21, "total": 21, "failed": 0, "case_ids": [ "iface-eg", "iface-review-periodic", "iface-review-long-periodic", "iface-review-decay", "iface-review-negative-time", "iface-review-continuous", "iface-review-continuous-decay", "iface-review-time", "iface-review-time-decay", "iface-review-time-continuous", "iface-review-initial", "iface-review-initial-continuous", "iface-review-rate", "iface-review-rate-decay", "iface-review-rate-continuous", "iface-review-zero", "iface-review-zero-continuous", "iface-review-min-subnormal", "iface-review-large-finite", "iface-review-verify", "iface-review-verify-mismatch" ] }, "ui_integration": { "passed": 4, "total": 4, "failed": 0, "case_ids": [ "ui-eg-100-5-2", "ui-eg-pop90", "ui-eg-decay", "ui-eg-outside" ] }, "o3": { "passed": 13, "total": 13, "failed": 0, "case_ids": [ "o3-eg-100m5m2", "o3-eg-50m4m90", "o3-eg-100mm10m10", "o3-eg-100m5mm10", "o3-eg-0m4m90", "o3-eg-16m100m1", "o3-eg-10000m5m11", "o3-eg-cont-50-0p04-10", "o3-eg-cont-50-m0p04-10", "o3-eg-solve-t", "o3-eg-solve-x0", "o3-eg-solve-rate", "o3-eg-half-life-50pct" ], "generator_id": "math-mpmath-o3", "seed": "20260907", "max_error_ulp": 23 } }, "coverage": { "partitions": [ { "id": "forward-periodic", "description": "Forward periodic x₀(1+r/100)^t", "exercised": true, "case_count": 41 }, { "id": "forward-continuous", "description": "Forward continuous x₀e^(kt)", "exercised": true, "case_count": 12 }, { "id": "inverse-time", "description": "Solve t from x₀, r, x(t)", "exercised": true, "case_count": 2 }, { "id": "inverse-x0", "description": "Solve x₀ from r, t, x(t)", "exercised": true, "case_count": 1 }, { "id": "inverse-rate", "description": "Solve r from x₀, t, x(t)", "exercised": true, "case_count": 1 }, { "id": "verify", "description": "Four-field displayed-precision verify", "exercised": true, "case_count": 2 }, { "id": "invalid-domain", "description": "Invalid inputs", "exercised": true, "case_count": 10 } ] }, "numerical": { "representation": "IEEE-754 binary64 (1+r/100)^t / Math.exp", "tolerance": { "type": "ulp", "value": 32, "rationale": "Iterated binary64 pow/log-ratio vs MPFR rounded to nearest f64 is not a correctly-rounded libm. A priori ≤32 ULP covers the published 90-period vector and inverse t = ln(xt/x0)/ln(1+r/100). Declared before evaluation.", "declared_before_evaluation": true }, "legacy_regression_notes": "Legacy Evidence JSON may record case-level `tol` (e.g. 1e-8). That is a regression epsilon, not the CVP numerical acceptance policy (this calculator: ≤32 ULP vs O3). CVP records list reference, actual, error_ulp, and the a-priori ULP threshold.", "max_error_observed": 23, "records": [ { "id": "review-periodic", "reference": 110.25, "actual": 110.25, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-long-periodic", "reference": 1705.9666670848003, "actual": 1705.9666670848055, "error_ulp": 23, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-decay", "reference": 34.86784401, "actual": 34.86784401000001, "error_ulp": 2, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-negative-time", "reference": 61.39132535407594, "actual": 61.39132535407591, "error_ulp": 4, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-continuous", "reference": 74.59123488206352, "actual": 74.59123488206352, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-continuous-decay", "reference": 33.51600230178197, "actual": 33.51600230178197, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-time", "reference": 2, "actual": 2, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-time-decay", "reference": 2, "actual": 2, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-time-continuous", "reference": 6.931471805599453, "actual": 6.931471805599452, "error_ulp": 1, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-initial", "reference": 16, "actual": 16, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-initial-continuous", "reference": 33.51600230178197, "actual": 33.51600230178197, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-rate", "reference": 100, "actual": 100, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-rate-decay", "reference": -50, "actual": -50, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-rate-continuous", "reference": 0.06931471805599453, "actual": 0.06931471805599453, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-zero", "reference": 0, "actual": 0, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-zero-continuous", "reference": 0, "actual": 0, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-min-subnormal", "reference": 5e-324, "actual": 5e-324, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-large-finite", "reference": 8.98846567431158e+307, "actual": 8.98846567431158e+307, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-verify", "reference": 1705.9666670848003, "actual": 1705.9666670848055, "error_ulp": 23, "threshold_ulp": 32, "suite": "golden" }, { "id": "review-verify-mismatch", "reference": 100.004, "actual": 100.004, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "g-eg-100-5-2", "reference": 110.25, "actual": 110.25, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "g-eg-50-4-90", "reference": 1705.9666670848003, "actual": 1705.9666670848055, "error_ulp": 23, "threshold_ulp": 32, "suite": "golden" }, { "id": "g-eg-decay", "reference": 34.86784401, "actual": 34.86784401000001, "error_ulp": 2, "threshold_ulp": 32, "suite": "golden" }, { "id": "g-eg-cont", "reference": 74.59123488206352, "actual": 74.59123488206352, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "g-eg-cont-neg", "reference": 33.51600230178197, "actual": 33.51600230178197, "error_ulp": 0, "threshold_ulp": 32, "suite": "golden" }, { "id": "rt-time", "reference": 64, "actual": 64, "error_ulp": 0, "threshold_ulp": 32, "suite": "round-trip", "hops": { "forward": { "reference": 64, "actual": 64, "error_ulp": 0 }, "reverse": { "reference": 2, "actual": 2, "error_ulp": 0 } } }, { "id": "rt-x0", "reference": 32, "actual": 32, "error_ulp": 0, "threshold_ulp": 32, "suite": "round-trip", "hops": { "forward": { "reference": 32, "actual": 32, "error_ulp": 0 }, "reverse": { "reference": 16, "actual": 16, "error_ulp": 0 } } }, { "id": "rt-rate", "reference": 32, "actual": 32, "error_ulp": 0, "threshold_ulp": 32, "suite": "round-trip", "hops": { "forward": { "reference": 32, "actual": 32, "error_ulp": 0 }, "reverse": { "reference": 100, "actual": 100, "error_ulp": 0 } } }, { "id": "meta-time-split", "reference": 1.1025000000000003, "actual": 1.1025000000000003, "error_ulp": 0, "threshold_ulp": 32, "suite": "metamorphic", "hops": { "base": { "reference": 110.25, "actual": 110.25, "error_ulp": 0 }, "follow": { "reference": 121.55062500000003, "actual": 121.55062500000003, "error_ulp": 0 }, "relation": { "reference": 1.1025000000000003, "actual": 1.1025000000000003, "error_ulp": 0 } } }, { "id": "o3-eg-100m5m2", "reference": 110.25, "actual": 110.25, "error_ulp": 0, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-50m4m90", "reference": 1705.9666670848003, "actual": 1705.9666670848055, "error_ulp": 23, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-100mm10m10", "reference": 34.86784401, "actual": 34.86784401000001, "error_ulp": 2, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-100m5mm10", "reference": 61.39132535407594, "actual": 61.39132535407591, "error_ulp": 4, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-0m4m90", "reference": 0, "actual": 0, "error_ulp": 0, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-16m100m1", "reference": 32, "actual": 32, "error_ulp": 0, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-10000m5m11", "reference": 17103.393581163135, "actual": 17103.39358116314, "error_ulp": 2, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-cont-50-0p04-10", "reference": 74.59123488206352, "actual": 74.59123488206352, "error_ulp": 0, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-cont-50-m0p04-10", "reference": 33.51600230178197, "actual": 33.51600230178197, "error_ulp": 0, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-solve-t", "reference": 22.51708530541104, "actual": 22.51708530541102, "error_ulp": 6, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-solve-x0", "reference": 16, "actual": 16, "error_ulp": 0, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-solve-rate", "reference": 100, "actual": 100, "error_ulp": 0, "threshold_ulp": 32, "suite": "o3" }, { "id": "o3-eg-half-life-50pct", "reference": 1, "actual": 1, "error_ulp": 0, "threshold_ulp": 32, "suite": "o3" } ] }, "interfaces": { "compared": [ "ui-ssr", "rest", "mcp", "ui-url-result-graph" ], "result": "PASS", "notes": "UI (SSR) · REST · MCP equivalent (MCP uses calc API handler). Success 21/21. Integration: URL → SSR result → Live graph current point (4/4). Hydration/slider/history are URL-canonical contracts, not a live browser session." }, "artifacts": { "evidence_bundle_sha256": "6bf94acac9e0ae608701bb68ff21cd35c083a17709c6215f52c5dfdf39e476ee", "evidence_digest": "204be80f9a80d9c46268f0c3f107c6a2767fd3f995d3b14e2356da907de7bdd3", "production_sha256": "8a224dbdcd21223942d0e73df9a3c58e3b2c63d744bd5164790a86cc92da0fc9", "attested_catalog_sha256": "6186d9f9c642e2b117ca4b72014d212f663656bb36624b7c12dbc67c29ee9f34", "production_checks": [ { "id": "math.exponential_growth:output-const", "status": "pass", "detail": "output const 1.0.7 vs capability 1.0.7", "scope": "last_attestation_snapshot", "current": false, "attestation_binding_current": false, "attested_at": "2026-10-13T06:22:29.870Z" }, { "id": "math.exponential_growth:evidence-sha256", "status": "pass", "detail": "fd4a8afd1600", "scope": "last_attestation_snapshot", "current": false, "attestation_binding_current": false, "attested_at": "2026-10-13T06:22:29.870Z" }, { "id": "math.exponential_growth:semantic-contract", "status": "pass", "detail": "20/20", "scope": "last_attestation_snapshot", "current": false, "attestation_binding_current": false, "attested_at": "2026-10-13T06:22:29.870Z" }, { "id": "math.exponential_growth:capability-html-public-origin-agree", "status": "pass", "detail": "public 1.0.7 vs origin 1.0.7", "scope": "last_attestation_snapshot", "current": false, "attestation_binding_current": false, "attested_at": "2026-10-13T06:22:29.870Z" }, { "id": "math.exponential_growth:cvp-manifest-public-origin-agree", "status": "pass", "detail": "math.exponential_growth/1.0.8/2026-10-13.growth-range-node22/engineering/204be80f9a80", "scope": "last_attestation_snapshot", "current": false, "attestation_binding_current": false, "attested_at": "2026-10-13T06:22:29.870Z", "projection_compared": false }, { "id": "math.exponential_growth:cvp-latest-alias-agrees", "status": "pass", "detail": "math.exponential_growth/1.0.8/2026-10-13.growth-range-node22/engineering/204be80f9a80", "scope": "last_attestation_snapshot", "current": false, "attestation_binding_current": false, "attested_at": "2026-10-13T06:22:29.870Z", "projection_compared": false }, { "id": "math.exponential_growth:calculator-html-cvp-projection", "status": "pass", "detail": "matches Trust display", "scope": "last_attestation_snapshot", "current": false, "attestation_binding_current": false, "attested_at": "2026-10-13T06:22:29.870Z" }, { "id": "math.exponential_growth:evidence-html-cvp-projection", "status": "pass", "detail": "matches Trust display", "scope": "last_attestation_snapshot", "current": false, "attestation_binding_current": false, "attested_at": "2026-10-13T06:22:29.870Z" } ], "digest_registry": { "digest_algorithm": "sha256", "canonicalization": "json-sorted-keys-utf8", "entries": [ { "name": "cvp_core_sha256", "field": "artifacts.cvp_core_sha256", "digest_scope": "cvp_verification_fingerprint_v2", "value": "204be80f9a80d9c46268f0c3f107c6a2767fd3f995d3b14e2356da907de7bdd3", "note": "Immutable verification core; excludes attestation/live-status and Evidence contract counts" }, { "name": "cvp_evidence_digest", "field": "artifacts.evidence_digest", "digest_scope": "cvp_verification_fingerprint_v2", "value": "204be80f9a80d9c46268f0c3f107c6a2767fd3f995d3b14e2356da907de7bdd3", "note": "Alias of cvp_core_sha256 (historical field name)" }, { "name": "artifact_evidence_sha256", "field": "release_integrity.digests.evidence_core_sha256", "digest_scope": "evidence_artifact_core", "value": "ae1a7c0b284c187e3cbc071ca64c0a26f1f19671d0bca5a0872a247ac130acf3", "note": "Published Evidence JSON core — Trust freshness / production bind subject" }, { "name": "evidence_catalog_digest", "field": "artifacts.attested_catalog_sha256", "digest_scope": "capability_catalog", "value": "6186d9f9c642e2b117ca4b72014d212f663656bb36624b7c12dbc67c29ee9f34", "note": "Capability catalog integrity; site-wide, not per-suite fingerprint" } ] }, "cvp_core_sha256": "204be80f9a80d9c46268f0c3f107c6a2767fd3f995d3b14e2356da907de7bdd3" }, "dependencies": [ { "name": "exponential-growth-engine", "version": "1.0.8" }, { "name": "exponential-growth-reference-oracle", "version": "1.0.0" }, { "name": "exponential-growth-o3-mpmath-table", "version": "math-mpmath-o3" }, { "name": "node", "version": "22.20.0" } ], "attestation": { "status": "STALE", "href": "/.well-known/calculatorx-production-attestation.json", "id": "b6db86a3946922a6529492107ca8043828115b3ffd21d9c4669ff69fb7f854ce", "attested_at": "2026-10-13T06:22:29.870Z", "last_confirmed_current_at": "2026-10-13T06:22:29.870Z", "site_attestation_current": false, "capability_attestation_current": false, "bound_snapshot_status": "pass", "live_report_status": "stale", "bound_attested_at": "2026-09-29T09:41:45.368Z", "live_updated_at": "2026-10-13T06:24:01.155Z", "bound_snapshot": { "status": "pass", "attested_at": "2026-09-29T09:41:45.368Z", "site_stale_count": 23 }, "live_site_status": { "href": "/.well-known/calculatorx-production-attestation.json" }, "bound_snapshot_site_stale_count": 23, "site_stale_capability_count": 23, "stale_reason": "Capability production binding: STALE · Site report: STALE · Evidence changed after the last successful production attestation. Re-attestation required.", "evidence_attested_at": "2026-10-13T06:22:29.870Z" }, "domain_review": { "status": "ABSENT", "spec_version": "1.0.8", "external_third_party": false, "note": "Named expert review not performed" }, "timestamps": { "verified_at": "2026-10-13T06:22:29.870Z", "generated_at": "2026-10-13T06:22:29.870Z", "rendered_at": "2026-10-13T06:26:17.426Z", "notes": "verified_at/generated_at mark the first publication of this cvp_core_sha256 (artifacts.evidence_digest alias) for suite verification. evidence_attested_at/attested_at is the first production bind of that core digest. last_confirmed_current_at is the latest site-wide report that still confirms CURRENT. rendered_at is this JSON serialization and is not part of cvp_core_sha256 / evidence_digest. Production attestation binds cvp_core_sha256 (binds evidence_digest). Causal order: verified_at ≤ evidence_attested_at ≤ last_confirmed_current_at. attestation.bound_snapshot.site_stale_count is the site-wide stale capability count at Manifest bind time — not a live value. Fetch attestation.live_site_status.href for the current site report." }, "links": { "legacy_evidence": "https://www.calculatorx.com/evidence/math.exponential_growth/1.0.8.json", "evidence_page": "https://www.calculatorx.com/evidence/math.exponential_growth/1.0.8", "calculator": "https://www.calculatorx.com/calc/math/exponential-growth", "schema": "https://www.calculatorx.com/developers/cvp/schema/cvp-evidence-1.0.json", "protocol": "https://www.calculatorx.com/developers/cvp/spec/1.0", "manifest": "https://www.calculatorx.com/evidence/math.exponential_growth/1.0.8.cvp.json", "manifest_immutable": "https://www.calculatorx.com/evidence/math.exponential_growth/1.0.8/2026-10-13.growth-range-node22.cvp.json", "manifest_core": "https://www.calculatorx.com/evidence/math.exponential_growth/1.0.8/2026-10-13.growth-range-node22.204be80f9a80.cvp.json" } }