# Truth-Chain Infrastructure Truth-Chain Infrastructure is the provenance and authentication layer of [[Cognitive Sovereignty Infrastructure]]: a chain of custody for digital claims and media. ## Components [[DARPA SemaFor]] and MediFor contribute media-forensics research. [[C2PA]] defines a provenance standard, and [[Content Credentials]] expose signed creation and editing claims to users. Watermarking, anomaly detection, source records, and conventional chain-of-custody controls provide complementary evidence. ## Critical limitation Provenance is not truth. A valid signature can show that a signer made a claim about an artifact; it cannot alone establish that the depicted event occurred or that the signer’s claim is accurate. ## Privacy boundary A truth-chain can become a surveillance chain if creator metadata involuntarily exposes journalists, whistleblowers, activists, or abuse survivors. Selective disclosure, consent, pseudonymity, and identity protection are first-class requirements. ## Source [[articles/Cognitive-Cyber Warfare Measures and Countermeasures#Truth-Chain Infrastructure|Cognitive-Cyber Warfare — Truth-Chain Infrastructure]].