https://www.da.vidbuchanan.co.uk/blog/android-c2pa.html

is a post about Google Pixel C2PA cameras experiencing contact with reality

Hi, I'm the author of the above. I also got a Sony A7 IV camera a few days ago. I already have a root shell on it. Although that wasn't even required to break Sony's C2PA implementation...

I'll write more about this in the future.