legislation_cosponsors: 119-hr-1061, T000486

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-1061	T000486	Rep. Torres, Ritchie [D-NY-15]	D	NY	2026-01-30	0