Open Scholarship, and indeed modern scholarship in general, rely on an increasing number of digital infrastructures to operate, with the expectation is that they will persist as the basis for scholarly practice in the longer term. This session will introduce some different scholarly infrastructures and then discuss how they address sustainability issues. Octopus is populated directly by researchers while CORE is populated by harvesting material from other sources. DataCite works behind the scenes to provide persistent identifiers for datasets and other non-traditional outputs, while CrossRef, among other services, performs a similar function for regular publications.