c_hash — Code Hash
Location: payload · Format: string
A hash of the authorization code issued in the same response as this ID token, serving the same binding purpose as at_hash but for the code instead of the access token. Relevant to hybrid flows that return a code and an ID token together.
Defined in OpenID Connect Core 1.0 §3.3.2.11.
Decode a JWT and inspect its c_hash claim in the TokenPrism debugger — free, entirely in your browser.