authenticitude 

Refers to the teen belief that authenticity is an attitude more than a reality. (From the Cleveland Plain Dealer, Jan 10 2007)

"I know that homeboy's buying a fake Coach purse for his bitch, 'cause he's cheap and he knows she'll still flaunt it due to her authenticitude."

authenticitude by Rick W January 14, 2007

Authenticide 

The possible result of disabling the control in Internet Explorer that blocks code not signed with Microsoft Authenticode.

Gerald committed Authenticide to get that shitty browser app to run and now all our computers got wiped be malware.

Authenticide by Toby Sumnners November 20, 2019