Conspiracy theorists.. what does it take to know that you've been proved right? Like what is the Gold Standard? Is it acknowledgment by the MSM?

"Conspiracy, in common law, is an agreement between two or more persons to commit an unlawful act or to accomplish a lawful end by unlawful means." (Britannica)

So you would need proof via written communication between the conspirators, an independent witness (unlikely), audio/visual recordings, a money trail through electronic accounts, and/or physical evidence of a direct chain of causation.