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PLB-CASE-0003

What is the signal, and who sent it?

OpenmysteryPluribus · safe through S1E9
updated Oct 2, 2026 · 4 theories · 2 clues · 3 open questions

The event that joined the world started with a signal. The case weighs whether it was aimed rather than accidental, whether the number thirteen is meaningful, and whether the Others will stop before everyone is joined.

What we know

The signal's precision points to intent rather than a natural accident.
Exactly thirteen immune looks designed, not random.

Competing explanations

How the linked clues affect each explanation. These are not scores: they show how much evidence there is to explore. Pick an explanation, then a clue.

4 competing explanations

Open questions

Was the signal aimed, not accidental?
Does the number thirteen mean something?
Will the Others stop before everyone joins?

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A case maps existing Pluribus theories, clues and characters onto one question. It never duplicates them, and every relationship shown has a rationale you can inspect.