Under the web archiving panel, you can see whether a page is archived or not. There are three different statuses:
Page is not archived - no web archiving has been made on this page.
Page is archived - the page is archived and ready.
Page is archived but not the latest version of the page - the page has been published AFTER archiving and thus this version of the page is not archived.
The Website archiving panel is located on the items:
The page published: 2019-02-05