legislation_cosponsors: 119-hres-971, H001100

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-hres-971	H001100	Rep. Hurd, Jeff [R-CO-3]	R	CO	2026-02-13	0