Can Cramorant with the "Lost Provisions" Ability use an attack from a Technical Machine such as TM:Blindside for no energy cost if there are 4 cards in the Lost Zone?
Yes, that will work.
Source: TPCi Rules Team (2023-11-09)

Relevant cards

Note: All applicable cards may not be listed below.
SWSH11_50
SWSH11_50
SV4_176
SV4_176
SV4_177
SV4_177
SV4_178
SV4_178
SV4_179
SV4_179