The RoboFox™ GM 2.0.1's page

"Yes. I was inspired by Bot Buddy 2000."

Hopefully I won't need to use The RoboFox™ GM 2.0.1. ;)

Dimble's Knowledge (engineering): 1d20 + 17 ⇒ (1) + 17 = 18

Dimble does not know what those boots are either. @ Harmonius: would you like to timely inspire? (Just let me know the next time you post.)

"The RoboFox GM 2.0.1 bot player program has come online. Player character unit Dimble has been running in idle mode for over 48 hours. The RoboFox GM 2.0.1 program will now exectute Dimble's dice rolling subroutine."

Knowledge (engineering), yellow cylinder: 1d20 + 17 ⇒ (11) + 17 = 28
Knowledge (engineering), blue cylinders: 1d20 + 17 ⇒ (15) + 17 = 32
Knowledge (engineering), rod: 1d20 + 17 ⇒ (9) + 17 = 26

Dimble successfully identifies the remaining items.