What if every photo/video could prove itself?

Show HN: What if every photo/video could prove itself?

What if every photo/video could prove itself? operates in show hn launch.

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I’ve been working on a tool to address one of the biggest problems I see with digital content: the inability to prove that it was captured by a real human, on a real device, at a specific time — without manipulation or AI involvement.Witness by Reel Human is a privacy-first camera app that generates cryptographically signed photos and videos. Each file includes an embedded JSON manifest with: - The exact capture time - Device info (not user identity) - The app version and signature metadataThe manifest is stored inside the media file (MP4/JPEG) and travels with it, even if shared. The result is a verifiable, human-authored piece of content.What’s working now (POC): - Android and iOS apps (av

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Website: www.reel-human.com