systemd-pcrphase-sysinit.service(8) on Linux
The text 81cb55056256, as Debian 13 (Trixie) shipped it. The page shows this text now.
Measure boot phase into TPM2 PCR 11, machine ID and file system identity into PCR 15
Flags it lists
-
--graceful -
--help -
--machine-id -
--tpm2-device -
--version -
-h