The Ockham Digital Library Service Registry (DLSR) has reached its 1.0 milestone, and is now available for public use and download. The DLSR is a distributed registry of digital library services. Institutions can advertise their internet-available digital library services, such as Z39.50, OAI-PMH, OpenURL, etc., and discover other advertised services. The Ockham DLSR provides a user-friendly web interface, as well as machine accessible interfaces (SRU, OAI-PMH). More info on the Ockham project can be found in the paper The Problem of Mainstreaming Digital Libraries by Jeremy Frumkin.