The SCFL Invariant Substitution v1.0 specification defines the canonical procedure for replacing one invariant with another inside the Standard Coherence Fidelity Layer (SCFL) measurement architecture. It establishes the structural, mathematical, and procedural rules that ensure substitutions are scientifically valid, drift‑free, and comparable across domains. This artifact formalizes: The substitution admissibility criteria, defining when an invariant is eligible for replacement based on stability, coherence, and falsification status A seam‑defined substitution protocol, ensuring that the replacement occurs without altering upstream parameters, perturbation families, or simulation timing windows Equivalence‑class rules, specifying when two invariants can be treated as structurally identical for measurement purposes A deformation‑tracking mechanism, enabling detection of drift, rupture‑layer activation, or coherence loss introduced by the substituted invariant A summary‑row substitution record, providing a reproducible, reviewer‑safe audit trail for archival and cross‑institutional comparison A non‑drifting, parameter‑frozen workflow, preventing post‑hoc reinterpretation or retroactive tuning of substitution outcomes The substitution framework enables controlled comparative testing, invariant benchmarking, and cross‑domain evaluation while preserving SCFL’s scientific posture of reproducibility, falsifiability, and institutional neutrality. This artifact is frozen as v1.0 for archival and citation.
Ronald Brogdon (Tue,) studied this question.