[OnACoffeeBreak]

That's what Content Authenticity Initiative (CAI) is trying to accomplish.

https://contentauthenticity.org/how-it-works

[colmmacc]

Keep in mind that CAI can't stop you from pointing your camera at a copied or faked work. There's only so much it can attest to.

[realharo]

You can add depth sensors or lidars. Still possible to fake, but more difficult.