RSF Conference Series: Business, Management and Social Sciences utilizes the Portico. Portico was the first digital preservation service to be independently audited by the Center for Research Libraries (CRL) and certified as a trusted, reliable digital preservation solution that serves the needs of the library community (following the general metrics found in their Trustworthy Repositories Audit & Certification). The stated purpose of the CRL audit was to promote understanding of and, where justified, confidence in, digital repositories.