There's a new ARG afoot on Bungie.net. No, I don't mean Owl Sector. Newer:
https://www.bungie.net/en/net/sim
What does your combination look like? Mine is: Square, Circle, Square, Diamond, and Diamond.
Edit: So it turns out that this ARG seems to be a continuation of the Owl Sector ARG. If you go to the Owl Sector website, there is a number at the top of the screen which is clickable. Doing so will take you to the link I provided where you can run your simulation.