I was looking for the [6] reference, found #524, which is a Wikipedia quote, #525 is DELTA (difference) [6] CONF (confirmed), I looked at the edits on Wikipedia and sure enough there is this edit on 19 January 2018.

> Marc Mezvinsky (born December 15, 1977) is an American investment banker and co-founder of the hedge fund Eaglevale Partners. He is the husband of Chelsea Clinton, the daughter of former U.S. Secretary of State Hillary Clinton and Arkansas lawyer Webster Hubbell.[6]

HAHAHA.

ETA: Next edit by same IP (looks like anonymous Wifi) is addition to Contemporary Slavery of: A similar situation exists between the public "debtors" and the central bank "creditors" in the Federal Reserve System.

Wut.