Russian authorities handed military summons to a rapper who attended a “nearly naked” party last month wearing only a sock on his penis, the Moskovsky Komsomolets tabloidreported Monday, citing a member of Russia’s state prison watchdog. A Moscow court fined and jailed rapper VACÍO (real name Nikolai Vasilyev) for 15 days in late December after finding him guilty of petty hooliganism and spreading “gay propaganda.” The court ruled that the party — thepublic backlash to which triggered show cancellations and on-camera apologies from artists who were filmed at the private event on Dec. 21 — had …