certtool(1) on macOS
The text 99ac2c708f61, as macOS 26.5, macOS 26.4, macOS 26.3, macOS 26.2, macOS 26.1, macOS 26.0, macOS 15.6, macOS 15.5, macOS 15.4, macOS 15.3, macOS 15.2, macOS 15.1, macOS 15.0 shipped it. The page shows this text now.
create key pairs, certificates and certificate signing requests for use with Keychains