Web bots are crawling through the internet all of the time to record changes. If we have a "read-only" access to the historical data, then we could have a method of verifying the dates so-called prior art.

Also, I would propose that "do (k)no(w) evil" Google be the benevolent keeper in these turbulent times.

[edit] Propaganda is the deliberate, systematic attempt to shape perceptions, manipulate cognitions, and direct behaviour to achieve a response that furthers the desired intent of the propagandist.

– Garth S. Jowett and Victoria O'Donnell, Propaganda And Persuasion