GPO PURLs

From: Keith Jenkins <kgj2_at_nyob> Date: Tue, 25 Aug 2009 17:17:43 -0400 To: CODE4LIB_at_LISTSERV.ND.EDU

Is it just me, or is the GPO PURL resolver down?  I keep getting a
timeout error...

For example:
    http://purl.access.gpo.gov/GPO/LPS4468

Does anyone know of any alternate place to lookup the real URL for GPO PURLs?

Keith