I’ve been involved in Project CreDIT a bit, since I read an article on it in Nature: Allen, L. et al. 17 April 2014. Publishing: Credit where credit is due. Nature 508, 312–313, doi:10.1038/508312a and wrote to the authors, since it seemed to overlap some of the ideas I’d been thinking about called transitive credit: Katz, D.S. 2014.