Philatelic Stamp Perforation Gauge (±0.05 Perf/2cm), Short-Tooth & Centering Grader

Deterministic ID-1 metric homography + sub-pixel semicircular perforation-hole FFT & individual tooth-tip envelope audit for re-perforation fraud engine (.jpg, .heic, .dng, .tiff) built for Stanley Gibbons, Scott Catalogue, Lighthouse / Leuchtturm, PSE Grading — zero-upload ephemeral Wasm RAM execution.

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Cloudflare Ephemeral Wasm RAM · 0% Retention

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