To help out anyone trying to search for stuff,
* This exoplanet is now "Kepler-452b" (kepler_name),
* In the "Kepler Object of Interest" catalog, it's KOI "K07016.01" (kepoi_name),
* Its star is both K07016 and Kepler ID 8311864 (kepid),
* In the broader 2MASS sky survey, the star has the id "J19440088+4416392"
Sources (catalog search engines),
http://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph...
https://archive.stsci.edu/kepler/kic10/search.php
(edit): Here's a mirror of the Kepler catalog entries -- KIC for the star, KOI for the planet:
https://gist.githubusercontent.com/anonymous/deef2bd542224f3...