I think such protocols are only useful for verifying whether the image came from an already known and trusted source. I don't see that it could verify whether some content is genuine or not if you didn't already know/trust the entity it is purported to come from (and trust that they would not provide you with false content).
Jason On Tue, Nov 7, 2023 at 8:14 AM John Clark <johnkcl...@gmail.com> wrote: > Now that AI art is so good it's becoming impossible to determine if a > photograph is real or fake, but a new open-source internet protocol > called "C2PA" may offer a solution. If camera and smartphone makers agree > to do so their products would all have a feature (which I hope you would be > allowed to turn off if you wish) that would make a cryptographic hash of > the picture and, thanks to GPS satellites, also have information on the > time and place the picture was taken, and on the type of camera and > exposure settings. Any alteration to the picture could easily be > determined. And if social media companies cooperated you could even figure > out when it was first posted on them. You could find out all of this stuff > with just one click, it would work something like this: > > What happens if real is actually fake? <https://truepic.com/revel/> > > Of course you could refuse to use C2PA, but if you did that would make > somebody deeply suspicious that your photograph is real. > > Cryptography may offer a solution to the massive AI-labeling problem > <https://www.technologyreview.com/2023/07/28/1076843/cryptography-ai-labeling-problem-c2pa-provenance/> > > John K Clark See what's on my new list at Extropolis > <https://groups.google.com/g/extropolis> > 5tt > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to everything-list+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/CAJPayv3QwOgZmxztpqErch8BuCi8Ffv5fN7WGpFYvFO%3DzotRHg%40mail.gmail.com > <https://groups.google.com/d/msgid/everything-list/CAJPayv3QwOgZmxztpqErch8BuCi8Ffv5fN7WGpFYvFO%3DzotRHg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CA%2BBCJUga656BaAOd6PBc2LF8mK84t_JOs69xx6DJY5gs7spzXg%40mail.gmail.com.
