UTokyo Digital Archive Portal (IIIF)
The University of Tokyo Academic Assets Archives shared server publishes digitized collections via the International Image Interoperability Framework (IIIF). IIIF Image and Presentation APIs (manifests and collections) are exposed, alongside downloadable datasets containing IIIF Collections, table-format metadata (CSV/Excel), RDF/JSON-LD, and TEI/XML text. API documentation is published (in Japanese) on the portal.