Technical analysis on image authentication, perceptual hashing, and the fight against visual misinformation.
Every major social platform strips EXIF and XMP metadata on upload. C2PA's digital birth certificate dies the moment you share the photo. Here's what actually happens at the platform boundary — and why pHash is the only authentication layer that survives it.
Read articleC2PA promised to solve digital provenance. And it works — inside Adobe Lightroom, in professional newsrooms, within controlled archives. But the moment your image hits Instagram, Twitter, or TikTok, the credentials vanish. Here's what the coalition doesn't talk about, and why pHash is the piece they're missing.
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