110000000110000000110000000110000000110000000110000110111111110000000110000000110
111111110100000010100000010100000010100000010100000010100000010100000010111111110
000001110000001110110001110110000000110000000110000000110001110000001110000001110
011000000011000000001000000001000000001000000011110000011110000011110000011110000
111111110100000010100000010100000010111111110000000110000000110000000110000000110
000000000000000000000000000110011001110011001110011001000000000000000000000000000
001111100001000100000000100000001000000010000000010000000010000000010000000010000
011111110010000000010000000010000000011111110000000010000000010000000010011111110
001111100001000100001000100001000100011111110011000110011000110011000110011111110
011000000011000000001000000001000000001000000011110000011110000011110000011110000
001111100001000100000000100000001000000010000000010000000010000000010000000010000
011111110010000000010000000010000000011111110000000010000000010000000010011111110
000001110000001110110001110110000000110000000110000000110001110000001110000001110
001111100000000100000000100000000100001111100000000110000000110000000110001111110
111111110100000010100000010100000010111111110000000110000000110000000110000000110
000000000000000000000000000110011001110011001110011001000000000000000000000000000
011000000011000000001000000001000000001000000011110000011110000011110000011110000
111111110100000010100000010100000010111111110000000110000000110000000110000000110
111111000100001000100000000100000000100000000111111110100000010100000010111111110
The cache is a 400ml 200ml Sistema in camo with an upgraded rubber seal and 'breather' valve. This was Jr Cacher #1's Science Fair project trying to improve the weather proofing of the typical cache container and allow any moisture inside the container to escape.
There is a cobalt chloride strip taped to the top of the lid that will change colour from blue (dry) to pink (damp). If you remember to note the colour when you sign the logbook then we would be interested to see how the 'improvements' fare in the field.
Update 17 August 2014: Changed the hint to help set solvers on the correct path.
Update 9 February 2015: Swapped out the container body for a smaller 200ml Sistema.