To answer your question from 2013, HDTracks claims the record labels that send them these digital releases do not give them any info most of the time. Strange then that AcousticSounds.com- while also very vague- will at least say when it's the same DSD from the original SACD process from 20 years ago, for instance. It's really very aggravating when there's this (probably) very high quality download and we can't know anything about it.
]]>Sheffield did direct to disc recordings.
http://sheffieldlab.com/item.php?item_id=49
http://sheffieldlab.com/content.php?content_id=1002