Generative AI and the Future of the Digital Commons: Five Open Questions and Knowledge Gaps. - Arman Noroozian; Lorena Aldana; Marta Arisi; Hadi Asghari; Renata Avila; Pietro Giovanni Bizzaro; Ramya Chandrasekhar; Cristian Consonni; Deborah De Angelis; Francesca De Chiara; Maria del Rio-Chanona; Mélanie Dulong de Rosnay; et al. (CoRR, 2025)