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A Trusted Community-Governed Archive

Our Mission

CLOCKSS (Controlled LOCKSS) is a not for profit joint venture between the world’s leading scholarly publishers and research libraries whose mission is to build a sustainable, geographically distributed dark archive with which to ensure the long-term survival of Web-based scholarly publications for the benefit of the greater global research community.

CLOCKSS is for the entire world's benefit. Content no longer available from any publisher ("triggered content") is available for free. CLOCKSS uniquely assigns this abandoned and orphaned content with a creative commons license to ensure it remains available, forever.

Download an overview of CLOCKSS in the following languages:

Reasons to Support CLOCKSS

• The archive is governed by, and for, its stakeholders, not a third-party. Publishers and librarians have equal say in deciding procedures, priorities, and when to trigger content.

• CLOCKSS' decentralized, geographically disparate preservation model ensures that the digital assets of the community will survive intact. Additionally, it satisfies the demand for locally situated archives with 15 archive nodes planned worldwide by 2010.

• Low operating costs make it possible for institutions of all sizes and budgets to participate in CLOCKSS.

• CLOCKSS is building an endowment and asks libraries, publishers and other supporting institutions to contribute. The more who participate, the lower the fees for all. Ultimately the goal is to have even lower participation fees.

• Orphaned and abandoned electronic scholarly content is permanently preserved in CLOCKSS, providing comprehensive reassurance that content will always be available. Open access content no longer available from the publisher, is available for free from CLOCKSS.

• CLOCKSS participants have the opportunity to be deeply involved in all aspects of our industry and help to keep the community’s best interests at the forefront. CLOCKSS has already made an impact on industry policies and practices.

• Libraries and publishers want a choice of archiving solutions. Rather than put "all their eggs in one basket," some institutions may prefer to participate in multiple archives.