What will happen if you make up a paper, along with authors, affiliations, the data and results. Say you include grave errors that should make any reviewer reject this immediately? Then you submit it to 307 open-access papers and wait for their response.
John Bohannon did exactly this and came up with 157 accepted publications.
The goal was to create a credible but mundane scientific paper, one with such grave errors that a competent peer reviewer should easily identify it as flawed and unpublishable. Submitting identical papers to hundreds of journals would be asking for trouble. But the papers had to be similar enough that the outcomes between journals could be comparable.
Read the full article at: http://www.sciencemag.org/content/342/6154/60.long