The Center for Research Libraries will conduct detailed assessments of Portico and HathiTrust with the objective of certifying them as trustworthy digital repositories.
Here's an excerpt from the press release:
Portico has agreed to cooperate with the CRL audit, with the goal of certification as a trustworthy digital repository. HathiTrust has asked CRL to assess its digital repository, which includes not only Google Books digitization content but a considerable amount of non-Google content as well.
Concurrently CRL is working with LOCKSS to assess the capabilities of the LOCKSS system for harvesting and archiving digitized primary source materials and related metadata. CRL is also gathering information about regional efforts to host licensed digital content locally. . . .
The general metrics to be used in the assessments will be the Trustworthy Repositories Audit and Certification checklist (TRAC). CRL has formed a panel of advisors who represent the various sectors of its membership, to further inform the assessment process. The Certification Advisory Panel will ensure that the certification process addresses the interests of the entire CRL community, and will include leaders in collection development, preservation, and information technology.