AI image generators have recently become capable of producing convincing visuals from text descriptions — and they’ve quickly become a favorite tool of purveyors of visual falsehoods. One popular tactic? Using AI to create fake “archival photos” that seem authentic because of their convincingly old-fashioned appearance, such as this recent viral rumor purporting to show a newly discovered photo of Bigfoot. But, of course, it’s not authentic. Let’s look at the facts.