Technology

The tech could represent the end of visual fact — the idea that video could serve as an objective record of reality — as we know it.

We already declared that with the advent of photoshop.

I think that this is "video" as in "moving images". Photoshop isn't a fantastic tool for fabricating video (though, given enough time and expense, I suppose that it'd be theoretically possible to do it, frame-by-frame). In the past, the limitations of software have made it much harder to doctor up

not impossible, as Hollywood creates imaginary worlds, but much harder, more expensive, and requiring more expertise

to falsify a video of someone than a single still image of them.

I don't think that this is the "end of truth". There was a world before photography and audio recordings. We had ways of dealing with that. Like, we'd have reputable organizations whose role it was to send someone to various events to attest to them, and place their reputation at stake. We can, if need be, return to that.

And it may very well be that we can create new forms of recording that are more-difficult to falsify. A while back, to help deal with widespread printing technology making counterfeiting easier, we rolled out holographic images, for example.

I can imagine an Internet-connected camera

as on a cell phone

that sends a hash of the image to a trusted server and obtains a timestamped, cryptographic signature. That doesn't stop before-the-fact forgeries, but it does deal with things that are fabricated after-the-fact, stuff like this:

https://en.wikipedia.org/wiki/Tourist_guy