MD5 (xpi/gbrain-0.5.4-fx.xpi) = 4e58438e9a699fa0ea1d4eefeef75c10
SHA256 (xpi/gbrain-0.5.4-fx.xpi) = c8774facee3d0ab27c1b78dfac4ad50f63f19f464bcf5be7c2842f178fbff587
SIZE (xpi/gbrain-0.5.4-fx.xpi) = 10700