In all honesty your guess is as good as mine Since I don t utilize a committed identity I can not say I m sure myself I added that entry to Wikipedia Number sign since the former target of WP HASH which was Wikipedia Manual of Style Number signs previously had a hatnote that said WP HASH redirects here For user committed identity see WP Committed identity I added the entry because it seem that there might be some sort of connection given that someone else placed that hatnote but I m not seeing it