expert authors of the DINI Certificate 2022 DINI e. V. Support improvement of information and communication services and further development of information infrastructures: At higher education and research institutions, On regional and national level. For Repository Operators / Hosts: Get orientation about best practices in the repository landscape; Ensure that you remain interoperable (metadata schemes, interfaces, technical side ...); Gain trust for your repository (the DINI Certificate stands for quality and trustworthiness / reliability). 32 Outreach License information (logos excluded): Creative Commons Attribution 4.0 International, https://creativecommons.org/licenses/by/4.0/deed.de On behalf of the DINI working group of Electronic Publishing: Pascal-Nicolas Becker, The Library Code, https://orcid.org/0000-0003-2169-1261 Daniel Beucke, Göttingen State and University Library, https://orcid.org/0000-0003-4905-1936 Isabella Meinecke, Hamburg State and University Library, https://orcid.org/0000-0001-8337-3619 Marcel Meistring, Helmholtz Open Science Office, https://orcid.org/0000-0001-6347-9926 Jochen Schirrwagen, RWTH Aachen University, https://orcid.org/0000-0002-0458-1004 This poster is an updated version based on: Vierkant et al. (2019). Trust me, I‘m a repository manager. Open-Access-Tage 2019 (OAT19), Hannover, Deutschland, https://doi.org/10.5281/zenodo.3449041. The Certificate The DINI Certificate of Open Access Publication Services 2022 pursues the following goals: Improving the publication infrastructure for electronic publishing; I. Strengthen Open Access based forms of publishing; II. Integration into national and international research infrastructures. III. 103 Submissions since 2004 7 The DINI Certificate Is frequently referenced in working papers of international infrastructure projects and initiatives for repositories and Diamond Open Access, such as DIAMAS, COAR, OpenAIRE; Is presented and discussed with the repository community at national and international conferences (e.g. Open Access Days Germany, PUBMET); Has taken steps towards internationalization (adaption to the requirements of Austrian publication services); Is recommended by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) for publication in trustworthy repositories; On-going development of the certificate also in the context of projects of the WG members (e.g. PID Network, openCost, CRAFT-OA); Is available in English and German. Who is DINI ? DINI (Deutsche Initiative für Netzwerkinformation / German Initiative for Network Information) founded in 2002; Member institutions such as research libraries, IT centers, media and service facilities; Organized in seven working groups. Aim and Mission No. of certificate versions since 2004 Publicize and recommend best practices; Foster the development of standards and their implementation; Register and advertise Competence Centers using modern web-based technologies; Improve interdisciplinary exchange through congresses, workshops, expert conferences, etc. Advertise funding programs and encourage new ones. Goals The present catalog of criteria translates these general expectations of scientific publishing into concrete minimum requirements of Open Access publication services. 71 Minimum requirements 53 Recommentations Within 11 certification aspects: Visibility of the services; Guidelines (policy); Support of authors and publishers; Legal aspects; Information security; Indexing and interfaces; Open metrics; Long-term archiving; OAI interface; OAI-PMH: additional requirements; Metadata requirements of the OAI interface. Revised by experts every three years. For Users: Deposit your resource in a reliable / trustworthy repository; Be sure your work will be permanently available; Be sure your work can be found in the best possible way / has optimal visibility (metadata, interfaces, indexing ...). For Institutions: Show the world your efforts and Commitment for the permanent operation of a