Triple

T14877502
Position Surface form Disambiguated ID Type / Status
Subject Zodiac Killer E349904 entity
Predicate notableCipher P59665 FINISHED
Object Z-408 cipher
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.
E1126074 NE FINISHED

How this triple was built (5 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Z-408 cipher | Statement: [Zodiac Killer, notableCipher, Z-408 cipher]
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.
  • 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
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Z-408 cipher
Triple: [Zodiac Killer, notableCipher, Z-408 cipher]
Generated 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.
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
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: notableCipher
Context triple: [Zodiac Killer, notableCipher, Z-408 cipher]
  • A. notableResistance
    Indicates that an entity is recognized for having mounted a significant or distinguished opposition or defense against another entity or force.
  • B. notableSuspect
    Indicates that an individual is a particularly significant or prominent suspect in relation to an event, case, or investigation.
  • C. coDecipherer
    Indicates that two or more entities jointly participated in deciphering or decoding something together.
  • D. isUndeciphered
    Indicates that something has not yet been successfully interpreted, decoded, or understood in terms of its meaning or structure.
  • E. notableRiddle chosen
    Indicates that an entity is a well-known or significant riddle associated with another entity (such as a person, work, or context).
  • F. None of above.

Provenance (6 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d822ee4f408190b6ac3b2fa434f0df completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69ded5e4e4448190a8796573bc6d1069 completed April 15, 2026, 12:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe6b54ad7c819082575245da07e358 completed May 8, 2026, 11:01 p.m.
NEDg Description generation batch_69fe6be21f148190bec0e5adfcc0a91a completed May 8, 2026, 11:04 p.m.
NED2 Entity disambiguation (via description) batch_69fe6c6ebe4881909334d772e45403f6 completed May 8, 2026, 11:06 p.m.
PD Predicate disambiguation batch_69de8c1a2bcc81908f914e2e2ced65eb completed April 14, 2026, 6:48 p.m.
Created at: April 10, 2026, 1:55 a.m.