Truth-Blind Lifecycle-Conditioned Metamorphic Testing: OpenSees Tier-A Evidence and Software
Abstract
Prospective truth-blind lifecycle-conditioned metamorphic-testing artifact for rollback-sensitive numerical software. The release records OpenSees 3.8.0 at commit 6e55293513192aa05c7e1205e66a5a1a1ed088c4, a frozen information-flow protocol, 24 constructed cases, 72 fresh native processes, isolated truth sidecars, detector outputs, post-freeze evaluation, canaries, source, executable, environment, licenses, and SHA-256 hashes. All 72 process outcomes matched the prespecified four-way branch; all 24 cases reproduced across three processes; all 27 detected runs ranked the prespecified candidate first; and no localization was emitted in the other 45 runs. This is a controlled Tier-A native material-API mechanism evaluation, not a field-prevalence estimate, solver-managed rejected-step trajectory, automatic recovery study, industrial validation, or production certification. Project code is BSD-3-Clause; numerical records and project-authored documentation are CC BY 4.0; linked OpenSees materials remain under the bundled upstream terms.
