Red poster for an art exhibition titled "Proof Proof" showcases a list of participating artists' names including Mark Cáceres, Olive Froman, Jason Hendardy, Aidan Klimenko, Nicolas Mirzayantz, Lori Ordover, Sarah Samayn, William Smith, Daniel Trese, and John Waller. The exhibition runs from August 10-15 at Joseloff Gallery within Hartford Art School, with a closing reception on August 14 from 7 to 9 pm.