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"Playing Surface: The area below where the disc came to rest from which the stance for the next shot is taken. The playing surface is generally the ground but can be any surface deemed suitable for play by the tournament director or course official"
Top of the basket is not a "playing surface". Therefore, if 2-meter is in effect and disc comes to rest on top of a hanging basket over 2 meters, it would be a penalty stroke.
here's a twist on the question, however, regarding the "directly below it" in
"if a disc has come to rest above two meters, as measured from the lowest point of the disc to the playing surface directly below it".
does "directly below" mean along the line towards the center of the earth as evidenced by the direction of the pole in the basket OR does it mean along the line towards the closest point of contact with land? i.e. if ground under the basket was on a slope, the two distances could be different with the first being over 2 meters and the second being under 2 meters.
What if you climb a tree to get your disc and realize you have a better lie up in the tree than at the base. Can you make the tree a playing surface? I've seen this done during a casual round and the player was able to hit the green from up in the tree but would have needed two shot from the ground. So he save 3 strokes by throwing from where his disc landed.