Is this the shortest published story ever?
And God said: DELETE line One to Aleph. LOAD. RUN.
And the Universe ceased to exist.
Then he pondered for a few aeons, sighed, and added: ERASE.
It never had existed.
Arthur C Clarke's siseneg is only 31 words long! Personally I really liked it when I read it in a collection of Clarke's short stories. (Sadly someone borrowed it and I have never laid eyes on it again.)
Does anyone know of anything shorter.