given the title, check out this screenshot
and know that only the last commit hash finds the pertinent revision. any commit hash should find the pertinent revision.
(...this is part of a big ball of wax IMO like T201 and T1083 and I kind of forgot the big picture plan to fix all this... :/ )
this commit hash thing breaks workflows for @aurelijus and friends. (there's some conversation in IRC around this at the bottom-ish of this page -- https://secure.phabricator.com/chatlog/channel/%23phabricator/?offset=10000)