At the moment, no.
http://platform.xwiki.org/xwiki/bin/preview/DevGuide/DsXWikiDoc
(bottom of the first paragraph)
Each document has a tags object which has a GUID number that does stay
the same and could be called with a database query, but this is far from
an elegant solution.
flyisland wrote:
I notice that the value of ID of the xwiki doc changed
after I renamed the
doc to another Space. For some reasons, I'd like get the same doc use
a unchanged, unique value, can I do that with XWiki?