* 仕様書

[1] 
[CITE@en[Content Credentials : C2PA Technical Specification :: C2PA Specifications]], [TIME[2026-01-15T06:08:55.000Z]], [TIME[2026-01-27T01:38:09.099Z]] <https://spec.c2pa.org/specifications/specifications/2.3/specs/C2PA_Specification.html>

* 技術

[2] [CODE[urn:c2pa]]

[3] [CODE[rel=c2pa-manifest]]

** [CODE[C2PA]] 表 (OpenType)

[4] [CITE@en[Content Credentials : C2PA Technical Specification :: C2PA Specifications]], [TIME[2026-01-15T06:08:55.000Z]], [TIME[2026-01-27T01:53:20.843Z]] <https://spec.c2pa.org/specifications/specifications/2.3/specs/C2PA_Specification.html#_embedding_manifests_into_fonts>

* メモ