Operation Touchstone
E410913
Operation Touchstone was a series of underground nuclear tests conducted by the United States as part of its late–Cold War nuclear weapons development and verification program.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Operation Touchstone canonical | 2 |
| Operation Cornerstone | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4080597 — 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: Operation Touchstone Context triple: [United States nuclear weapons testing, hasPart, Operation Touchstone]
-
A.
Operation Starlite
Operation Starlite was a major early U.S. Marine Corps offensive in the Vietnam War, launched in August 1965 to preempt a Viet Cong attack near the Chu Lai base area.
-
B.
Operation Unicorn
Operation Unicorn was the contingency plan detailing the specific protocols and arrangements to be followed if Queen Elizabeth II died in Scotland.
-
C.
Operation Wunderland
Operation Wunderland was a World War II German Kriegsmarine naval operation in the Arctic aimed at disrupting Soviet shipping and naval forces along the Northern Sea Route.
-
D.
Operation Golden Orb
Operation Golden Orb was the extensive security and logistical operation devised to protect and manage events surrounding the coronation of King Charles III in the United Kingdom.
-
E.
Operation Diadem
Operation Diadem was a major Allied offensive in Italy during World War II aimed at breaking the German Gustav Line and enabling the liberation of Rome.
- 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: Operation Touchstone Target entity description: Operation Touchstone was a series of underground nuclear tests conducted by the United States as part of its late–Cold War nuclear weapons development and verification program.
-
A.
Operation Starlite
Operation Starlite was a major early U.S. Marine Corps offensive in the Vietnam War, launched in August 1965 to preempt a Viet Cong attack near the Chu Lai base area.
-
B.
Operation Unicorn
Operation Unicorn was the contingency plan detailing the specific protocols and arrangements to be followed if Queen Elizabeth II died in Scotland.
-
C.
Operation Wunderland
Operation Wunderland was a World War II German Kriegsmarine naval operation in the Arctic aimed at disrupting Soviet shipping and naval forces along the Northern Sea Route.
-
D.
Operation Golden Orb
Operation Golden Orb was the extensive security and logistical operation devised to protect and manage events surrounding the coronation of King Charles III in the United Kingdom.
-
E.
Operation Diadem
Operation Diadem was a major Allied offensive in Italy during World War II aimed at breaking the German Gustav Line and enabling the liberation of Rome.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
United States nuclear weapons testing program
ⓘ
nuclear test series ⓘ |
| compliesWith | prohibition of atmospheric nuclear tests ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| era | 1980s ⓘ |
| followedBy | Operation Aqueduct ⓘ |
| geologicalMedium | underground rock formations at Nevada Test Site ⓘ |
| location |
Nevada Test Site
ⓘ
linked to:
Nevada National Security Site
|
| nuclearTestSafetyStandard | limited to underground detonations ⓘ |
| operator |
United States Department of Defense
ⓘ
linked to:
Department of Defense
United States Department of Energy ⓘ
linked to:
U.S. Department of Energy
|
| partOf |
United States nuclear weapons development program
ⓘ
United States nuclear weapons verification program ⓘ
linked to:
United States nuclear weapons program
United States underground nuclear test series ⓘ |
| precededBy | Operation Musketeer ⓘ |
| programContext | United States strategic deterrent modernization ⓘ |
| purpose |
nuclear weapons development
ⓘ
nuclear weapons effects verification ⓘ |
| temporalContext | late Cold War ⓘ |
| testEnvironment | underground ⓘ |
| testMethod |
shaft test
ⓘ
tunnel test ⓘ |
| testType | underground nuclear test ⓘ |
| treatyContext |
Partial Test Ban Treaty
ⓘ
linked to:
Partial Nuclear Test Ban Treaty
|
| verificationRole |
stockpile reliability testing
ⓘ
weapons effects data collection ⓘ |
| weaponTypeTested |
fission weapon designs
ⓘ
thermonuclear weapon designs ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Operation Touchstone Description of subject: Operation Touchstone was a series of underground nuclear tests conducted by the United States as part of its late–Cold War nuclear weapons development and verification program.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Operation Touchstone