It's a message that contains a long string of seemingly random numbers. Instead of the sender's number, it says |OBSCURED|.
After a beat, another message from the same number makes the phone vibrate again. The numbers look like hexadecimals. As soon as Jon realises that, another message comes.
Then another, and another, and another. Soon, Archivist's phone is vibrating constantly. After some time, the phone gives up and turns off.
It boots back up by itself, but this time instead of its usual operating system, it shows a bunch of random letters and numbers.
Some of them light up green, and form a circle, which is then divided into fourteen parts, with the word |RITUAL| in the middle. The circle then cracks, there appears a fifteenth slice of the circle, and tries to jam itself into the circle. After a couple tries, the circle shatters and falls apart. The screen of the phone goes black, before words appear again.
|GROW I/US/IT. PREVENT/DESTROY/SHATTER THE RITUAL. SEEK/FIND/LOCATE VIKTOR BARUKHOV|
Jon's phone reboots again, going back to normal.]
Jon blinks several times after staring at the screen for a while. This is new. Too new. It's shattering the perfect routine—the perfect loop—that he's perfected for so long thus far. His first thought is to ponder if this is Elias' doing, but no, he believes this is something much more odd and powerful and beyond even his boss' comprehension.
Saying the name alone leaves an unusual taste in his mouth. At this point, though, there's not much else he can do. So, he decides to.. discreetly utilize some Institute funds on trying to find this person.