Not meant as a critique of your piece of conceptual art, but usually all blank paintings have some kind of story behind them.
Robert Rauschenberg: Erased de Kooning Drawing (1953) http://www.tate.org.uk/tateetc/issue8/erasuregenteel.htm
You might also get a kick out of The Clockworks Project: http://www.museumofconceptualart.com/clockworks/clockworks.html
Not meant as a critique of your piece of conceptual art, but usually all blank paintings have some kind of story behind them.
Robert Rauschenberg: Erased de Kooning Drawing (1953) http://www.tate.org.uk/tateetc/issue8/erasuregenteel.htm
You might also get a kick out of The Clockworks Project: http://www.museumofconceptualart.com/clockworks/clockworks.html