The Rhizome Commissions webpage includes links to project proposals. These are real world examples of project proposals similar to the proposal for the Identity Online project.
For example, see:
Computers on Law & Order :Jeff Thompson http://www.jeffreythompson.org/rhizome/
For Your Eyes Only Or, When Is An Apple No Longer An Apple? by Adam Harvey http://ahprojects.com/commissions/rhizome-proposal-2012