In that case normally the public disclosure comes from research papers: which are part of the public record. you can find a journal willing to publish pretty well anything and arxiv is available or even vixra.
In the case of Holmlid (50 + mainstream papers) and Santilli (a seminal book and plenty of papers both self published and in several journals ranking from the average to the bad ones) that did not help at all.
Omasa’s case was sad because he did not realize his system was causing cavitation and thus he did not cite any of the papers that would have supported his case of transmutation of elements in aqueous solution.