noun, noun or participle which takes 'suru', intransitive verb
become clear; be identified; turn out to be
Intransitive; describes a fact, identity, or cause becoming known or established, often through investigation or discovery. Common in news reports and formal statements.
事故の原因が判明した。
The cause of the accident has been identified.
彼の正体はまだ判明
His true identity has not yet been established.