OS3

Notation
Last bottom triple
LBT / One solved
Match the case drawing, including the side colours and the pieces already solved; hold the puzzle as drawn.
Your status
Recognition & spaced review

Algorithms (1)

(R') first, then:
BR' R' U' BR U BR' R U' BR U
My choice
10 HTM · 10 STM · 10 QTM
3-gen
rotationless
<BR,U,R>
Do R' first on the case as drawn. · Cubemuch

How this case is verified

The source's tracked-sticker identities define this case; its setup is reconstructed and checked against them. Setup: Ro U' BR' U R' BR U' BR' U R BR R. Every algorithm above was run by our logic engine from that state and reaches "lbt-solved".