on record
on record {adj. phr.}
1. An official or recorded statement or fact; said for everyone to know.
We do not know when the famous writer was born, but the date of his death is on record.
The two candidates went on television to put their ideas on record.
2. Known to have said or done a certain thing. — Usually used with "as".
The mayor went on record as opposing a tax raise.
The governor is on record as favoring the new highway.
That congressman is on record as an enemy of waste in government.
Contrast: OFF THE RECORD.
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Source: A Dictionary of American Idioms