Add recomputable fingerprint to contamination number (idx_sha + canonical recipe + method/params-status) per as_metoda-badawcza §5a

Fix contamination denominator: 9.02%->8.83% (1662/18820, nie 18430); czyste 17158 (Wartownik/Monter, rekoncyliacja z bajtami)

Add Known benchmark contamination section (LLMzSzL ~9% post-hoc finding, decontam-first); drop invalid license_link anchor

Fix YAML: valid front-matter (configs register, drop invalid license_link anchor)

Update card: per-config schema (web sans n_tokens_v32k), lineage, Pawel credit

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