A dark counterpart for all three diagrams, *-dark.svg beside each original. Same geometry and wording; only the palette differs, re-toned role for role from the light one. Shared byte-for-byte with the other repositories.
The README picks by theme. Each diagram is a <picture> with a prefers-color-scheme: dark source over the existing file, so the light original stays the fallback and its path is unchanged.
Changed
The registrar’s logo has no check mark. Its ladder stops at the amber rung, checked by automation; the blue tick, a named person’s confirmation, is the curator’s alone. The logo is no longer shared byte-for-byte with the other repositories.
Fixed
A dark copy carries no stale content credential. The originals embed a C2PA manifest that signs their own bytes; recolouring changes those, so the copies ship without one rather than with a signature that cannot verify.