Aspectus Lab LLC - certificate signing roots (public keys) Made 2026-10-31. Algorithm Ed25519. Each private key was generated inside its own YubiKey (PIV slot 9c) and has no copy. Key id = first 8 hex characters of the SHA-256 of the raw 32-byte public key. root A id 833c069d YubiKey serial 37267246 5c1ca113b8dd1b16849075a25cc74aaa8db57635c567c912fa47d9e366abe0ba root B id 3d5ae145 YubiKey serial 37267275 c3561aff4792570ed3ccefc0bedec5d8913a62b8488713d2f1e1a12b12abdef2