{"service":"article50-detection","article":"EU AI Act Article 50(2)","post_to_verify":"POST { manifest: <C2PA-style signed manifest>, asset_hash?: string }","verifies":{"metadata_layer":"Ed25519 over canonical claim","watermark_layer":"declared, not checked"},"access":"free for all; unrestricted for authorities, media, fact-checkers, researchers, civil society","complements":"/api/article50 (issues a passport) — this proves the mark that endpoint otherwise trusts"}