The MD5 checksum functions as a compact digital fingerprint of a file. 
The MD5 hash is commonly used to verify the integrity of files.

The following checksums can be used to verify the following files hosted on this site:

c73d95e0bee5d6388b8a0ce1da7093de  gmfXML_v0_8_1_a.zip
dbcf58d948c98308977db0a9994b4954  gmfXML_v0_8_1_lib.zip
31af8f738d99ed4b0d2900af1347d671  gmfXML_v0_8_1_source.zip