Need help from probloggers.  Will this following list of pings hurt my site in the search engines if I use it for posts on WordPress.com?  Thanks.

http://www.xianguo.com/

http://www.zhuaxia.com/

http://blogbot.dk/

http://www.zingfast.com/

http://tailrank.com/

http://blogs.salon.com/

http://bloggarkivet.net/

http://wordblog.de/

http://blogg.de/

http://my.yahoo.co.jp/

http://www.pingoo.jp/

http://www.fc2.com/

http://blog360.jp/

http://reader.livedoor.com/

http://www.namaan.net/

http://ask.jp/

http://blog.goo.ne.jp/

http://www.cocolog-nifty.com/

http://www.tagclick.net/

http://hamo-search.com/

http://newsblog.jungleboots.org/

http://www.blogstyle.jp/

http://www.hatena.ne.jp/

http://31engine.com/

http://exblog.jp/

http://www.myblog.jp/

http://bakeinu.jp

http://www.blogoole.com/

http://www.blogpeople.net/

http://kutsulog.net/

http://blog-search.net/

http://www.technorati.jp/

http://speenee.com/

http://www.mitekaite.com/

http://bloggrevyen.no/

http://www.blogblogs.com.br/

http://blogs.yandex.ru/

http://www.blogsdominicanos.com/

http://www.bitacoles.net/

http://www.veneblogs.com/

http://pingqueue.com/rpc/

http://ping.feedburner.com

http://www.bloglines.com/ping

http://blogsearch.google.com/ping/RPC2

http://1470.net/api/ping

http://a2b.cc/setloc/bp.a2b

http://api.feedster.com/ping

http://api.feedster.com/ping.php

http://api.moreover.com/ping

http://api.moreover.com/RPC2

http://api.my.yahoo.com/RPC2

http://api.my.yahoo.com/rss/ping

http://bblog.com/ping.php

http://bitacoles.net/notificacio.php

http://bitacoles.net/ping.php

http://bitacoras.net/ping/

http://blog.goo.ne.jp/XMLRPC

http://blogbot.dk/io/xml-rpc.php

http://blogdb.jp/xmlrpc

http://blogmatcher.com/u.php

http://blogoole.com/ping/

http://blogoon.net/ping/

http://blogpeople.net/servlet/weblogUpdates

http://blogroots.com/tb_populi.blog?id=1

http://blogshares.com/rpc.php

http://blogsnow.com/ping

http://bulkfeeds.net

http://bulkfeeds.net/rpc

http://catapings.com/ping.php

http://coreblog.org/ping/

http://effbot.org/rpc/ping.cgi

http://feedsky.com/api/RPC2

http://holycowdude.com/rpc/ping/

http://imblogs.net/ping/

http://lasermemory.com/lsrpc/

http://mod-pubsub.org/kn_apps/blogchatt

http://mod-pubsub.org/kn_apps/blogchatter/ping.php

http://mod-pubsub.org/ping.php

http://packetmonster.net/xmlrpc.php

http://ping.amagle.com/

http://ping.bitacoras.com

https://phobos.apple.com/WebObjects/MZFinance.woa/wa/pingPodcast

http://blogupdate.org/ping/

http://blogupdate.org/sverige/ping/

http://ping.blo.gs/

http://ping.blogg.de/

http://ping.bloggers.jp/rpc/

http://ping.blogmura.jp/rpc/

http://ping.blogoon.net/

http://ping.cocolog-nifty.com/xmlrpc

http://ping.exblog.jp/xmlrpc

http://ping.fakapster.com/rpc

http://ping.feedburner.com

http://ping.feeds.yahoo.com/RPC2/

http://ping.myblog.jp

http://ping.rootblog.com/rpc.php

http://ping.syndic8.com/xmlrpc.php

http://ping.weblogalot.com/rpc.php

http://ping.weblogs.se/

http://pinger.blogflux.com/rpc

http://pinger.blogflux.com/rpc/

http://pingoat.com/

http://pingoat.com/goat/RPC2

http://pingqueue.com/rpc/

http://popdex.com/addsite.php

http://rcs.datashed.net/RPC2

http://rcs.datashed.net/RPC2 euro.weblogs.com

http://rcs.datashed.net/RPC2/

http://rpc.blogbuzzmachine.com/RPC2

http://rpc.blogrolling.com/pinger/

http://rpc.britblog.com

http://rpc.britblog.com/

http://rpc.icerocket.com:10080

http://rpc.icerocket.com:10080/

http://rpc.newsgator.com/

http://rpc.tailrank.com/feedburner/RPC2

http://rpc.technorati.com/rpc/ping

http://rpc.weblogs.com/RPC2

http://rpc.wpkeys.com

http://rpc.wpkeys.com/

http://services.newsgator.com/ngws/xmlrpcping.aspx

http://signup.alerts.msn.com/alerts-PREP/submitPingExtended.doz

http://snipsnap.org/RPC2

http://thingamablog.sourceforge.net/ping.php

http://trackback.bakeinu.jp/bakeping.php

http://weblogues.com/ping/

http://weblogues.com/RPC

http://weblogues.com/RPC/

http://xmlrpc.blogg.de

http://xmlrpc.blogg.de/

http://xping.pubsub.com/ping/

http://zing.zingfast.com