what do you mean? you want to know what you publisher's id is? just look in the code that is produced when you create an ad. the variable is called google_pub_id or something like that.
Wow. That's what I call bringing back an old post. This post is from 2005. Over 1,000 days old! lol. Nice. Live Link: http://forums.digitalpoint.com/profile.php?do=editoptions
in ur adsense account, go to "My Account", then look for "Property Information" ur id will be something like this pub-xxxxxxxxxxxxxxxxxx