ProofMode – Video Authenticity Standard (divine.video)

Divine.video announced ProofMode, a cryptographic “notarization” standard for video that shifts the fight against deepfakes from artifact detection to provenance verification. Instead of chasing ever-fainter visual traces of synthetic media, ProofMode augments Nostr NIP-71 video events with signed proof metadata so observers can cryptographically verify a clip’s integrity and capture origin. That matters for the AI/ML community because it enables robust provenance-aware workflows—better dataset curation, more trustworthy evidence for moderation/forensics, and a way to break the detection arms race as generative models improve. Technically, each ProofMode proof bundles OpenPGP signatures and a signed manifest, SHA-256 hashes of the file and sampled frames, and optional device hardware attestation via platform services (Apple App Attest / Android Play Integrity). ProofMode exposes tiered assurances: Full Hardware Attestation (strongest—PGP + device attestation), Software Verification (PGP only, no hardware guarantee), Integrity Only (PGP proves no post-signing change), and No Verification. It’s an extension to Nostr video event kinds (34235/34236) and is backward compatible—clients ignore unknown tags. Important caveats: ProofMode proves a clip was captured on a given device and not altered after signing, not that its content is factual or not staged; privacy trade-offs exist because stronger proofs may disclose limited device metadata. ProofMode support on Divine.video is in development, and broader adoption and attacker-resistant attestation will determine its real-world impact.