C2PA Cameras Do Not Survive Contact with Reality (da.vidbuchanan.co.uk) | HN Screenshots

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Screenshot of da.vidbuchanan.co.uk: C2PA Cameras Do Not Survive Contact with Reality

First screen, captured 2 months ago.

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Screenshot of da.vidbuchanan.co.uk: S32 Unix Clock

S32 Unix Clock (da.vidbuchanan.co.uk)

135 points by g0xA52A2A 3 years ago | 15 comments

Screenshot of da.vidbuchanan.co.uk: How to hack time, with C2PA

How to hack time, with C2PA (da.vidbuchanan.co.uk)

50 points by Retr0id 23 days ago | 6 comments

Blog post by David Buchanan (retr0id) on manipulating or forging timestamps in C2PA content provenance metadata.

c2pa content-provenance timestamps digital-signatures

Screenshot of cadence.moe: What makes a good smartphone camera?

What makes a good smartphone camera?(cadence.moe)

92 points by zdw 5 months ago | 56 comments

Screenshot of duti.dev: HackEurope 2026: A short rant on AI and hackathons

HackEurope 2026: A short rant on AI and hackathons (duti.dev)

48 points by mindracer 2 months ago | 39 comments

Screenshot of da.vidbuchanan.co.uk: Text Editors Should Be Worse

Text Editors Should Be Worse (da.vidbuchanan.co.uk)

3 points by goranmoomin 2 years ago | 1 comments

Screenshot of blog.jgc.org: If you care about security you might want to move the iPhone Camera app

If you care about security you might want to move the iPhone Camera app (blog.jgc.org)

216 points by jgrahamc 10 months ago | 123 comments