Or you can go one step further, use third party server to provide the link, because it's a burden to maintain your own server for many people. "Your server" is most likely somebody else's server anyway.

That will be google voice for url. The OP's method is use people's name as phone number.

Another problem with OP's method is that it's difficult to read for human, and very difficult to verify by eye. There is also no common parts for files organized in same hierarchy.