cksum= 4150542987 1532460494 reference01.2013.2.ckp.gz
MD5(reference01.2013.2.ckp.gz)= 3f1e1b055df3a6f2b375b410df2e90b3
SHA1(reference01.2013.2.ckp.gz)= 9bc9959a3ece4e87712133d05aa5f78d2cc2cd97