This community hosts the open collection of materials from the Opening Research Assessment: GraspOS Final Conference. The event explores how research assessment can become more open, transparent, and inclusive, recognising a wide range of research contributions and Open Science practices. It showcases the outcomes of the GraspOS project, including its work on open infrastructures, responsible metrics, and the development of a federated system to support policy reform. The collection brings together conference outputs, invited talks, expert panels, and poster contributions, reflecting a shared commitment to advancing responsible research assessment aligned with Open Science principles.