According to a spokesperson from IMAX, Oppenheimer's film reel

Harry S. Truman - News - IMDb

Oppenheimer' 70MM Imax Print Needs a Custom-Built Booth

Oppenheimer' Headed Back to Theaters for Limited-Time IMAX Re-Release

Christopher Nolan's Oppenheimer IMAX Film Prints Are 11 Miles Long & Weigh 600 Pounds - The Credits

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Film fans flock to see Oppenheimer in Sacramento, home to one of the few IMAX 70mm theaters - CBS Sacramento

Oppenheimer' Best Picture Earns Imax CEO Shoutout From Oscar Stage

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Where to watch 'Oppenheimer' in its epic 70mm Imax format - The Washington Post

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Movie Theater Memes

What is 'true IMAX'? Oppenheimer's hot debate, explained - Polygon