Someone Trying to Vanish My Post About a Case on One-Sided Pseudonymity

Last month, I wrote about a Fourth Circuit decision in Doe v. Sidar, which discusses one-sided pseudonymity. Last week, Google received two requests that it remove that post from its indexes—and thus vanish it from search results—on the theory that the post violated the copyright in a Tumblr post, https://www.tumblr.com/case49news/745091056157196289/fourth-circuit-on-one-sided-pseudonymity-in-sexual: Re: Unknown NOTICE TYPE: DMCA Copyright…