<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">That wasn't quite my point. My point was that if some assertion changes once a minute, but might only be requested by anybody once a month, one would construct a solution fundamentally differently than if the assertion changed once a decade, and it might be requested once a day.<DIV><BR class="khtml-block-placeholder"></DIV><DIV><DIV><BR><DIV><DIV>On Apr 5, 2007, at 9:16, Brian Hernacki wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"> <FONT face="Verdana, Helvetica, Arial"><SPAN style="font-size:12.0px">It would seem preferable for the verifier to simply specify an arbitrary period of validity at the time of signing as there are likely to be more than just two cases.<BR> <BR> --brian<BR> <BR> <BR> On 4/5/07 9:13 AM, "Johannes Ernst" <<A href="mailto:jernst+openid.net@netmesh.us">jernst+openid.net@netmesh.us</A>> wrote:<BR> <BR> </SPAN></FONT><BLOCKQUOTE type="cite"><FONT face="Verdana, Helvetica, Arial"><SPAN style="font-size:12.0px">There seem to be at least two variations of attestation if we differentiate by how quickly the underlying statement (claim, ...) may change. E.g.<BR> <BR> 1. long-term: X is a citizen of country Y. If it changes at all, it takes years.<BR> 2. short-term: X is in the same room with me. It changes minute by minute.<BR> <BR> In the first case, we can do things like sign a claim and show that signed claim every time somebody asks. In the second, we might have to ask the asserting party in real time?<BR> <BR> </SPAN></FONT></BLOCKQUOTE><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">specs mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:specs@openid.net">specs@openid.net</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://openid.net/mailman/listinfo/specs">http://openid.net/mailman/listinfo/specs</A></DIV> </BLOCKQUOTE></DIV><BR></DIV></DIV><BR><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Johannes Ernst</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">NetMesh Inc.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><BR class="Apple-interchange-newline"></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN><IMG src="cid:9173E289-5D6D-4850-B823-FDF7D115EF12@local"></SPAN><SPAN><IMG src="cid:5CC41088-A082-4AA9-8169-EFD940AF9ADA@aviatis.com"></SPAN><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "> <A href="http://netmesh.info/jernst">http://netmesh.info/jernst</A><BR class="Apple-interchange-newline"></SPAN></SPAN> </SPAN></DIV><BR></BODY></HTML>