Imagine the Jars being packaged into a .war, their names would be:
WEB-INF/lib/common-1.0.jar
WEB-INF/lib/v1_6-1.0.1.jar
= not very distinct with regard to other jar files.
Maybe artifactIds like "oca-ocpp-common" and "oca-ocpp-v1_6" would make more sense?