Dr Octopus' robotic arms are generally portrayed as having their own intelligence. Have they ever been shown to operate after Dr. Octopus has died?
Comic continuities are preferred, but any are ok.
The only instance I am aware is in Civil War - Secret Wars #3. Otto Octavius' arms were ripped out of him and given to The Kingpin. They killed him and continued functioning on the rotting corpse. Thus his arms were still "alive", and would presumably work the same way if on Dr. Octopus when he died.