Did Thomas Pynchon publish a novel under the pseudonym Adrian Jones Pearson?

Is it possible that the literary sensibility—person—that produced a clutch of novels under the name Thomas Pynchon has had a fat new novel out since April, under a different name, only to encounter a virtual vacuum of notice? That relative anonymity may have been expected, or might even have been among its aspirations, to prove a point?

From [Theory] | The Fiction Atop the Fiction, by Art Winslow | Harper’s Magazine