Uniquely identifying a project (in a distributed way)

I thought about using the description of a project vocabulary . It is for software, so I might need to modify it for hardware.

It is described in the Linked Open Vocabularies site hosted by the Open Knowledge Foundation, and is created by  Edd Dumbill
The particular link is: http://lov.okfn.org/dataset/lov/details/vocabulary_doap.html

I also found the Software Discovery Index which uses unique identifiers for software projects. I might want to check this out more. The particular link is:
http://softwarediscoveryindex.org/