Z-408 cipher
E1126074
UNEXPLORED
The Z-408 cipher is the first and most famous cryptogram sent by the Zodiac Killer, partially solved in 1969 and known for revealing a taunting message from the unidentified serial murderer.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Z-408 cipher canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14877502 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Z-408 cipher Context triple: [Zodiac Killer, notableCipher, Z-408 cipher]
-
A.
Lorenz cipher
The Lorenz cipher was a high-level German teleprinter encryption system used during World War II, whose interception and decryption by the Allies led to the development of the Colossus computers.
-
B.
Tunny cipher
The Tunny cipher was a high-level German teleprinter encryption system used during World War II for strategic communications, whose interception and decryption at Bletchley Park significantly aided Allied codebreaking efforts.
-
C.
Playfair
Playfair is a Scottish surname most notably associated with John Playfair, an 18th–19th century mathematician and geologist known for popularizing geometry and scientific ideas.
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D.
Lucifer cipher
The Lucifer cipher is an early block cipher developed at IBM by Horst Feistel that served as a foundational design precursor to the Data Encryption Standard (DES).
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E.
Enigma machine
The Enigma machine was a German electro-mechanical cipher device used extensively during World War II, whose codes were famously broken by Allied cryptanalysts.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Z-408 cipher Target entity description: The Z-408 cipher is the first and most famous cryptogram sent by the Zodiac Killer, partially solved in 1969 and known for revealing a taunting message from the unidentified serial murderer.
-
A.
Lorenz cipher
The Lorenz cipher was a high-level German teleprinter encryption system used during World War II, whose interception and decryption by the Allies led to the development of the Colossus computers.
-
B.
Tunny cipher
The Tunny cipher was a high-level German teleprinter encryption system used during World War II for strategic communications, whose interception and decryption at Bletchley Park significantly aided Allied codebreaking efforts.
-
C.
Playfair
Playfair is a Scottish surname most notably associated with John Playfair, an 18th–19th century mathematician and geologist known for popularizing geometry and scientific ideas.
-
D.
Lucifer cipher
The Lucifer cipher is an early block cipher developed at IBM by Horst Feistel that served as a foundational design precursor to the Data Encryption Standard (DES).
-
E.
Enigma machine
The Enigma machine was a German electro-mechanical cipher device used extensively during World War II, whose codes were famously broken by Allied cryptanalysts.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.