Pages
perhaps the creation dtstamp should change to a version point draft number:
<directory-unique-file-name>.<version-number>.<draft-number>.<locale-code>.<character-set-code>.<file-type>
index.1.1.en.UTF8.html
Especially showing only the version number instead of the whole file name, writing the date in a small font, trimming off the year and offereing the date as we approach current time,