Google plus, yes you heard me right, is the tool you need to index your site, you can try it right now by creating a new site, don't ping yet, just head straight to google plus if you have an account with them, if not go register it is free.
just write a few descriptive comment about your site placing your link in the link section then post. that all you need for the search engine to index your site.
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if you do a search such as this site:url in google seearch engine you will find your new blog has been index in google and the time you made a post to google plus all off this will show up in google search engine.
this is what i do to fast index my sites in couples of mins