I got an email from arQiv.org saying that someone searched for one of my articles on arXiv. This email was sent to my email address that I use for arXiv, but I thought that was private. Visiting the arQiv.org/about site did not yield any information. What is arQiv.org? Is it endorsed by arXiv.org (Cornell University)?
Their about page seems to be blank, and their terms and conditions read "I'm NOT a spammer! arQiv.org reserve the right to refuse service to anyone. You must agree to use our website." The heated denial of spamming is not very convincing, especially when they just e-mailed you out of the blue to announce that someone was searching for one of your articles on their site (which might be true but is unverifiable). Note that gathering e-mail addresses from the arXiv for spamming is possible but against arXiv policy. If arQiv.org e-mailed me, I would probably add them to my junk mail filter and forget about them. I can't imagine they are endorsed by or in any way connected with the arXiv, and I see no reason to think this site is going to make useful contributions to academia, even though they may have good intentions.