I resized the version of "Black Square" from the Wikipedia's Commons so that it was 20000 by 19814 pixels big and saved it as PNG. I uploaded it to Flickr with FD Flickr Uploader, a Yahoo Widget. Because of a bug in the widget the image in Flickr turned out entirely black.
Malevich's “Black Square” from 1913 is also called "dead square" by his contemporaries. To Kasimir Malevich, however, this square symbolized a "full void," in that it shown how painting could fulfill itself unaided by any reference to a specific external reality. For him the square represented pure Suprematism: "the supremacy of pure feeling" in and of itself. Malevich removes subject matter as such by shifting away from representation and mimesis and towards the purity of geometry.
Malevich's original (actually there were four) was not entirely black. By many visitors and critics throughout the decades stated the vibrant color of the painting. It was never seen to be entirely black. The accidentally created Flickr version however, is #000000 all over.