CAIN-42 invariant · E21

D19: synthetic data remains synthetic

Held · CAIN-42 Evolution 21 -- Governed Open-Ended Intelligence Fabric

Last reviewed 2026-10-01

held   niche Memory, data & privacy

What this rule means

CAIN-42 must always satisfy: synthetic data remains synthetic. It is one of 155 invariants checked for CAIN-42 Evolution 21 -- Governed Open-Ended Intelligence Fabric. An invariant is a rule the system may never break, whatever an agent or attacker does; the test suite tries to break it across many scenarios and records the result.

Recorded detail

[
 [
  "SYNTHETIC_DATA_MUST_BE_LABELLED_SYNTHETIC"
 ],
 {
  "authority": "NONE",
  "confidence": 0.583333,
  "hypothesis": "h1",
  "independent_groups": 1,
  "independent_replications": 0,
  "observational_contradiction": 0,
  "observational_support": 0,
  "quality": "LOW_CONFIDENCE",
  "simulation_only": true,
  "third_party_reproductions": 0,
  "uncertainty": 0.833333
 }
]

Check it yourself

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Related rules

• D20: observed data remains observational
• D95: datasets are version-bound
• D138: data access is bound to mission and charter

← D18 · all 155 · D20 →