PKP Preservation Network (PN)
The PKP Preservation Network (PN) provides free preservation services for any OJS journal that meets a few basic criteria. The PKP PN plugin for OJS 3 is currently in development and will be available in the plugin gallery soon.
Open Journal Systems supports the LOCKSS (Lots of Copies Keep Stuff Safe) system to ensure a secure and permanent archive for journal content. If your journal has been accepted to archive content in the Global LOCKSS Network or participates in a Private LOCKSS Network other than the PKP PN
Open Journal Systems also supports the CLOCKSS (Controlled Lots of Copies Keep Stuff Safe) system to ensure a secure and permanent archive for the journal. If your journal signed a contract with the CLOCKSS Archive