The artifact hash prefix 1722 is ambiguous and might mean any of the following:

1. 17224381f21ac5f160a952ccc00db3caaac22db0c0b61db2b2dbd8fa4605beb2 -

   Manifest of check-in [17224381f2] - Initial revision by gawthrop@users.sourceforge.net on 1996-08-16 12:50:41.

2. 1722ffefcbcf42af2fbda07763aa8beaf205117364450c6684570b9e1e6dca2b -

   Manifest of check-in [1722ffefcb] - Reads the cbg data structure form a file by gawthrop@users.sourceforge.net on 2003-03-14 12:49:50.