When files are copied or Moved within IM5 are they verified for integrity?
No.
IMatch uses the standard Windows copy/move routines. AFAIK they do not perform post copy/move integrity checks based on check-sums or something.
Correct.
http://blogs.msdn.com/b/oldnewthing/archive/2012/09/19/10350645.aspx (http://blogs.msdn.com/b/oldnewthing/archive/2012/09/19/10350645.aspx)