This specification registers a kind of URI that represents a JSON Web Key (JWK) Thumbprint value. JWK Thumbprints are defined in RFC 7638.
Cueva de las Manos (Cave of the Hands) in Santa Cruz, Argentina (© Adwo/Alamy)
Aerial view of the island Pantaleu near Sant Elm, Mallorca, Spain (© Dimitri Weber/Amazing Aerial Agency)
Spring Point Ledge Light in South Portland, Maine (© Haizhan Zheng/Getty Images)