At the bottom of the transmission, one line in plain English (translated, she realized, from a mathematical kernel that predated human language entirely): YOU ARE NOT THE FIRST. YOU WILL NOT BE THE LAST. 389339 IS YOUR TURN. Elara pushed back from the desk. Outside the window, the desert stars were cold and patient.
She looked at the number again.
She typed three commands: Decode. Sequence. Repeat. 389339
A match.