MD5 (grok-20091227.01.tar.gz) = 67dc670678a1ec92964908a66fc0c315
SHA256 (grok-20091227.01.tar.gz) = 56f8e3340638493854a865fd916806a0f158e6460eb3079b033c936a657940ef
SIZE (grok-20091227.01.tar.gz) = 8723617