As a LIPIcs/OASIcs author, you will be invited by e-mail to register at the Dagstuhl Submission Server. The server will guide you through the publication workflow. Preliminary information can be found here:
In September 2020, the scientific advisory board and the management of Schloss Dagstuhl - Leibniz Centre for Informatics adopted an Open Access Policy.
Since June 2020, Schloss Dagstuhl has been a direct member of DataCite, where it represents the special interests of the conference-focused publication culture in computer science.