legislation_cosponsors: 119-hr-6903, P000613

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-6903	P000613	Rep. Panetta, Jimmy [D-CA-19]	D	CA	2025-12-18	1