DR-NTU (Digital Repository) — OAI-PMH
A fully conformant OAI-PMH 2.0 metadata harvesting endpoint over DR-NTU, serving 11 metadata formats and declaring OpenAIRE CERIF-CRIS 1.1 compatibility on a second base URL. Administered by NTU Library (library@ntu.edu.sg) with an earliest datestamp of 2008-05-15, but implemented and operated by the DSpace-CRIS platform on 4Science infrastructure. Verified live 2026-08-19.