Crossref

Crossref

Publishers International Linking Association Inc. d.b.a Crossref
Formation	1999; 25 years ago (1999)
Legal status	501(c)(6) organization
Headquarters	Lynnfield, Massachusetts, U.S.
Executive Director	Ed Pentz
Chair	Lisa Schiff, California Digital Library
Revenue (2021)	USD $11.3 million
Expenses (2021)	USD $8.5 million
Website	www.crossref.org

Crossref (formerly styled CrossRef)^[1] is a nonprofit open digital infrastructure organisation for the global scholarly research community. Uniquely and persistently recording and connecting knowledge through open metadata and identifiers for all research objects such as grants and articles. It is the largest digital object identifier (DOI) Registration Agency of the International DOI Foundation. It has 19,000 members from 150 countries representing publishers, libraries, research institutions, and funders and was launched in early 2000 as a cooperative effort among publishers to enable persistent cross-platform citation linking in online academic journals.^[2] As of July 2023, Crossref identifies and connects 150 million records of metadata about research objects made openly available for reuse without restriction. They facilitate an average of 1.1 billion DOI resolutions (clicks of a DOI link) every month, and they see 1 billion queries of the metadata every month.