Yeah it's always been one of those things that was never able to be confirmed or disproven. He was a bit of a freak back on Tumblr before he got really Internet famous, so it's certainly possible. But we'll probably never know.I remember a while ago when they first came out, the ones of him shaving his junk, his dick and his balls, there was a lot of certainty that it was him. It was from a chan site, so it might not be, but there was a lot of verification discussions and they came to the conclusion it was him.
there's some obvious photoshops in that gallery, but the close up shots I personally think are 98% Cameron's junk.