1. 2009-10-31 [6] OpenID 2.1: timed priv. assoc. assertions openid-spec Nat Sakimura 2. 2009-10-31 [1] Re: [OpenID] Content-Type for Key-Value Form response from openid-spec Andrew Arnott 3. 2009-10-26 [1] =?utf-8?Q?=EB=B6=80=EC=9E=AC_=EC=A4=91_=ED=9A=8C=EC=8B=A0? openid-spec canihop