The 65th Helmholtz Open Science Online Seminar took place on Friday, October 21, 2022 from 11:00 am to 12:00 pm (CEST). Our speaker Ludo Waltman explained why openness of research information is a crucial prerequisite for more responsible approaches to research assessment. He discussed various initiatives promoting openness of research information, both in the Netherlands and globally, with a special focus on the metadata of scientific publications. He also discussed how organizations can support these initiatives and participate in them. Ludo Waltmann's presentation was followed by a question and discussion slot. The 60-minute event was held in English via the video conferencing tool Zoom. Ludo Waltmann's presentation was recorded.