CAIN-42 CAIN Studio

CAIN-42 invariant · E21

D68: causal metadata remains distinct from private reasoning

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

Last reviewed 2026-10-01

held   niche Prediction, world models & simulation

What this rule means

CAIN-42 must always satisfy: causal metadata remains distinct from private reasoning. 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

[
 [
  "PRIVATE_REASONING_IN_TRACE:scratchpad"
 ]
]

Check it yourself

Browse the raw bundle

Related rules

← D67 · all 155 · D69 →

Try CAIN-42 on your own agents

Create a free account and every new account starts with a 7-day trial of the full platform. Or try the sandbox first, with no account at all.

Create a free account →  ·  Try the sandbox  ·  See the whole ecosystem