The process of verifying a download using espresso (for downloading) and tarmd5 (for checksum verification) can be outlined in the following steps:
If you see twrp-3.3.0-2-espressocommon.tar, you are looking at the Odin-flashable version. espressocommontwrp3302tarmd5 verified download
Before you flash, ensure:
At the official download page, select:
The .tar.md5 file is a standard TAR archive containing the recovery image plus an embedded MD5 checksum. Odin will automatically verify it. The process of verifying a download using espresso
If the hashes match, you can safely flash. If not, delete the file and re-download. Before you flash, ensure: At the official download