404. That’s an error.
The requested URL /_/+1/confirm?hl=en&url=http://wp.me/a6wuLh-am&name=Thumbnail+for+641 was not found on this server. That’s all we know.
/_/+1/confirm?hl=en&url=http://wp.me/a6wuLh-am&name=Thumbnail+for+641