Three codes were hidden in the HTML source of the A SHARED PURPOSE post on the Investigate Ingress blog.
[1] 4tyaatp7w78dza
[2] 8qdp2kzgsc2a2g
[3] sqvounuusnupuquouovquusovtspvu
Code #1
Observations
14 characters with the right amount of numbers for a valid passcode
Code #2
Observations
Passcode format is there go through your usual cipher routine
Code #3
Observations
A simple manipulation will get you a specific range