SourceS-0014
CLOCKSS Archive preservation statistics
References [14]2026-05-030 out · 1 in
CLOCKSS Archive. Preservation statistics and Triggered Content register, clockss.org and clockss.org/triggered-content/, accessed April 2026.
Key facts: 63.6 million articles. 568,210 books. 12 mirror nodes. 300 libraries. 691 publishers. 81 triggered titles released to the public on closure of the original publisher.
Use: Tier 2 exemplar for journal preservation; ~20-year operational history; demonstrates the trigger model under which preservation copies become public on publisher failure.
Original whitepaper reference: [14]