P6-ERIS reproducibility payload — Three Lock-In Modes classifier + data + figures (v1.0.0)

Reproducibility payload for the P6-ERIS manuscript "The Three Lock-In Modes — A Substation-Catchment Classifier of Grid Maladaptation Mode across 39 OECD Countries" submitted to Environmental Research: Infrastructure and Sustainability (IOP Publishing) on 6 August 2026. Contents. Manuscript PDF + .docx + Markdown source; Supplementary S2 Technical Appendix (§S2.1–§S2.8); DECLARATIONS.md (CRediT + CoI + funding + data availability + AI-assistance disclosure); four-step Python classifier engine; step_A_classification.json + step_B_event_backtest.json + results_final_snapshot.json + step_1_cohort_metadata.json; 6 main + 3 supplementary figures (SVG masters + 300 dpi PNG rasters); RESULTS_TABLE.md reproducibility manifest; CITATION.cff; SHA-256 file-manifest. Canonical anchor. SSI Index v4.23, snapshot vintage 15 July 2026, SHA-256 e1a4e294917b61c9591885accfb517c5ceb4c72bb84c37f6ee752351a6dc2430. The canonical is publicly hosted at https://ikengassiindex.github.io/. Reproducibility. Python 3.11, dependencies in data-payload/classifier/environment.lock, fixed random seed 20260805. Four-step pipeline: canonical load → classify + Gaussian W-perturbation bootstrap (B=1,000) → seven-event backtest → results-table assembly. Every empirical anchor in the manuscript body is reproducible from this deposit modulo the canonical vintage. Licence. Manuscript text + figures released under CC BY 4.0. Data + engine code released under CC BY-SA 4.0 as part of the SSI Index public-interest infrastructure-resilience initiative (Ikenga SL, Madrid, non-profit governance via SSI Index Foundation-in-formation). Related work. Berard (2026b), the SSI Index v4.0.2 methodology anchor in Journal of Infrastructure Preservation and Resilience (DOI 10.1186/s43065-026-00193-z), supplies the parent canonical framework. Berard (2026d), the Cohort-Robust Multi-Hazard Risk Modelling working paper on Zenodo (DOI 10.5281/zenodo.21625126), supplies the classification-stability validation methodology this classifier's bootstrap inherits.