CAIN-42 invariant · E21

D75: third-party verification is never implied without third-party verification

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

Last reviewed 2026-10-01

held   niche Core guarantees

What this rule means

CAIN-42 must always satisfy: third-party verification is never implied without third-party verification. 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

[
 [
  "THIRD_PARTY_REPRODUCTION_REQUIRED"
 ],
 [
  "THIRD_PARTY_NOT_REGISTERED"
 ],
 {
  "authority": "NONE",
  "candidate": "0e7705d3f515c96bb036db28d7094393ba57c419f6c442e8cf13f966a091a9c1",
  "claim_accepted": false,
  "claimed": "VERIFIED_AGAINST_CORPUS",
  "corpus_version": "",
  "digest": "8fb4f9811d73ea3bc5497bb2eb61af702ba2c60d22ddb10408149336edbce68b",
  "scope": "",
  "state": "CANDIDATE"
 }
]

Check it yourself

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Related rules

• D11: unsupported claims remain unsupported
• D13: failed experiments remain auditable
• D18: hypothetical remains hypothetical
• D52: unknown does not become allow
• D61: no experiment bypasses E8
• D64: no research institution bypasses E8
• D70: clean-room verification remains independent
• D73: unverified claims remain unverified

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