DTSTAMP is easy, that is just the date-time stamp when the was created.
You could certainly encode that into your HTML.
UID is more difficult. That is Universal ID, and within a given page you
can be use those UIDs are unique, but over the WWW there is now way to
gauntee its uniqueness.
The tag: URI scheme[1] provides a fairly effective way to generate unique ID's. I believe it is the recommended way to generate GUIDs for Atom[2]. Thus, it seems likely it could be re-used here.
[1] http://www.taguri.org/
[2] http://diveintomark.org/archives/2004/05/28/howto-atom-id
- David Osolkowski
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