legislation_cosponsors: 119-hr-2189, G000583

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
119-hr-2189	G000583	Rep. Gottheimer, Josh [D-NJ-5]	D	NJ	2025-09-10	0