legislation_cosponsors: 119-hr-7705, V000129

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-7705	V000129	Rep. Valadao, David G. [R-CA-22]	R	CA	2026-02-25	1