it was also referenced ages ago that the number after the name referenced how many times that unit has been "rebooted" almost resetting the clock back to the consciousness transfered on robotic birth. factory reset, this was mentioned in reference to the tower bots who have like 47 after their name and spurt jibberrish cos their minds are addled. this highlights the need for the journal, and the year left part could mean a year left with his current consciousness before reboot and he forgets everything again