As the linked article points out, practices can vary widely across fields (and in fields where preprints are available, maintaining authour anonymity in a doubl

As the linked article points out, practices can vary widely across fields (and in fields where preprints are available, maintaining authour anonymity in a double-blind setting furthermore relies on revieweres not having come across a preprint of the paper that is being reviewed which in turn can easily happen in smaller research-communities).