  We show that in a non-equilibrium system of an exciton-polariton condensate,
where polaritons are generated from incoherent pumping, a ring-shaped pump
allows for stationary vortex memory elements of topological charge $m = 1$ or
$m = -1$. Using simple potential guides we can choose whether to copy the same
charge or invert it onto another spatially separate ring pump. Such
manipulation of binary information opens the possibility of a new type
processing using vortices as topologically protected memory components.
