An artifact becomes much more valuable when it's officially documented and comes with a history of the site and the people who lived there.
This decision was officially documented in the Beijing Treaty (1860).
This status does not receive any officially documented privileges.
For the post-1949 it is not as rich, but we're beginning to see beyond the officially documented story.
The village was first officially documented in the 17th century.
Unfortunately, all of this is not officially documented.
It is speculated, though not officially documented, that he spent the night there as well.
In the Territorial Division Law of 1897, the change was officially documented.
The edibility of the mushroom has not been officially documented.
Robles's murder, which surely followed, has never been officially documented.