The cache is not at the posted coordinates.
To determine the location of this cache solve the puzzle below.
01001110
00110100
00110001
00100000
00110100
00110100
00101110
00110000
00110100
00110010
00100000
01010111
00111000
00111000
00100000
00110010
00110011
00101110
00110001
00110000
00111001