ssh-sk-helper(8) on macOS
The text 0e435e77c0a2, as macOS 13.5, macOS 13.4, macOS 13.3, macOS 13.2, macOS 13.1, macOS 13.0, macOS 12.5, macOS 12.4, macOS 12.3, macOS 12.2, macOS 12.1, macOS 12.0.1 shipped it.
OpenSSH helper for FIDO authenticator support
Flags it lists
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-v