Perhaps I missed it, but how exactly does this posting verify that it's official? Other than the opening paragraph, the words 'official' and 'announce' do not

Perhaps I missed it, but how exactly does this posting verify that it's official? Other than the opening paragraph, the words 'official' and 'announce' do not appear anywhere else in the article -- nor can I find any links that point to anything resembling an 'official' announcement.