The exact identity of the disease is uncertain, and has been the source of much debate.

Someone, certainly, whose exact identity was as yet unknown.

The life, even the exact identity, of this politician is unclear.

The exact identity of the ship is not known, but there are several theories.

The exact identity of the dramatist is open to speculation.

Puma gave birth to a son in July 1916, though there is confusion about the exact identity of the child.

Also known only from a partial coracoid, its exact identity is uncertain.

The exact intended identity of these animals is not known.

The exact identity and relationships of this judge remain a matter of dispute.

We'll have to go elsewhere to discover the exact identity of the person who lives there.