cksum= 148787532 1735398146 reference01.2020.2.ckp.gz
MD5(reference01.2020.2.ckp.gz)= f8703934d00b32d99548a4efc6566a44
SHA1(reference01.2020.2.ckp.gz)= 8ab8542ff6f12013e89c25420ddbeaf1c7ef0576