1. 2009-09-28 [2] Webhooks in AX openid-spec Joseph A Holsten 2. 2009-09-28 [3] =?utf-8?Q?=EB=B6=80=EC=9E=AC_=EC=A4=91_=ED=9A=8C=EC=8B=A0? openid-spec canihop 3. 2009-09-18 [52] Attribute Exchange 2.0 openid-spec Dick Hardt 4. 2009-09-17 [2] Attribute Exchange Extension 2 (Validation) openid-spec Henrik Biering 5. 2009-09-11 [3] RP library authors openid-spec John Bradley 6. 2009-09-04 [13] XRD and OpenID 2.1 openid-spec John Bradley 7. 2009-09-02 [4] return_to url in the OpenID responses openid-spec Nat Sakimura