Update services

Hi All;

Question for you about update services.

I have setup https://rpc.pingomatic.com/, https://rpc.weblogs.com/RPC2 and https://rpc.technorati.com/rpc/ping as update services.

The question is, how long does it take before your posts are actually listed in the update services? How do I know they are actually pinging? For example, I have an account with technorati.com and do not see any of my posts. See https://www.technorati.com/blogs/writing%20white%20papers

Any ideas?

Mike