SEH-MPM P1 Post-Confirmatory Preregistration Package — 26 October 2026

Time-stamped preregistration package for the SEH-MPM P1 post-confirmatory analysis, frozen on 26 October 2026 before production P1 results were opened. This restricted deposit documents the prespecified post-confirmatory hardening stage of the study When Spatial Validation Learns Exploration History: Coupled Observability in Mineral Prospectivity Mapping. The package contains the frozen P1 specification, governance amendment, canonical hash records, A0 confirmatory-record closure materials, analysis code, unit tests, and verification evidence prepared before production P1 execution. The package is designed to preserve the distinction between:C — preregistered confirmatory evidence;P — prespecified post-confirmatory evidence; andE — exploratory evidence. The original frozen confirmatory SEH record is not modified by this package. The P1 analyses are intended to test structural transport versus spatial continuity and related mechanistic claims without retrospectively altering the preregistered confirmatory endpoints or thresholds. Access is restricted to preserve the timestamped preregistration record while the associated analyses and manuscript are in progress. Package SHA-256:9ab00e4d08cfc4a7504be556c55a234d3d3d47d08de18cc3ee7ddb3ffff0722f Principal researcher: Mohmmed HassanORCID: 0009-0002-2057-0417