Ok, this is new. Last nightly failed with OpenDelta and when manually twrping it. Also, 20140609 seems to have gained some weight?
File should be 193.4MB according to dl page, but downloaded only 184.48 Tried mobile twice and desktop once.
The source-file can't possibly be corrupt now, can it?
Edit: 5th attempt did it. Removed files from /OpenDelta and OTA update successfull