During my adventure live-tweeting Warhol’s 8-hour film Empire with C-monster and WNYC the other night, I told the story of my one encounter with the artist. As a young factchecker at Artforum, I had to find out if Warhol had personally peed on the famous Oxidation paintings. I called up the Factory and explained my mission. I was told to hold on. After a while, a voice came on the line and said, “Hi, This is Andy.” “Mr. Warhol,” I stammered. “Did you, uh…urinate on the Oxidation paintings?” “Yes, I did,” he said. “Thank you very much,” I replied, and we hung up. Later I found out that many people in the studio had peed on the pictures.