Fake video threatens to rewrite history. Here's how to protect it

In an age of very little institutional trust, without a firm historical context that future historians and the public can rely on to authenticate digital media events of the past, we may be looking at the dawn of a new era of civilization: post-history. We need to act now to ensure the continuity of history without stifling the creative potential of these new AI tools. Imagine that it's the year 2030. You load Facebook on your smartphone, and you're confronted with a video that shows you drunk and deranged, sitting in your living room saying racist things while waving a gun. Typical AI-assisted character attack, you think. There's a 1970s interview video of Neil Armstrong and Buzz Aldrin on The Dick Cavett Show declaring, "We never made it to the moon.