<p>I sent a research paper to caltech, how can I check if my paper have been received?
also how can I check if my mentor's rec has been recieved?</p>
<p>The best way to check would probably be to e-mail your admissions counselor. Contact info is here:
[Caltech</a> Undergraduate Admissions: Contact Us](<a href=“http://www.admissions.caltech.edu/contact]Caltech”>http://www.admissions.caltech.edu/contact)</p>