It’s Times New Roman but every seventh letter is jarringly sans serif.
Original idea by ommanyte on Tumblr:
Times New Bastard is a modified version of Nimbus Roman No. 9 L and Nimbus Sans, original source here.
Using it on the Web
Turn on ligatures and
font-feature-settings: "kern" on, "liga" on; text-rendering: optimizeLegibility;
Using it in Microsoft Office
The font and related files in this directory are distributed under the
GNU AFFERO GENERAL PUBLIC LICENSE Version 3 (see the file COPYING), with
the following exemption:
As a special exception, permission is granted to include these font
programs in a Postscript or PDF file that consists of a document that
contains text to be displayed or printed using this font, regardless
of the conditions or license applying to the document itself.