Stewart reads a "Daily Mail" dated for a Wednesday in July with a headline about Hambledown which has "only just happened." The relevant events in the pre-title sequence are date-stamped on screen as occurring over April 16-17.
The front and back covers of Jason's book "Index Finger, Left Hand" are shown but the description on the back refers to an entirely different book on housing problems.
In the shot where Sullivan shows Colonel Loring his ID it states the he is 5'6" tall and weighs 150 lbs.