CAIN-42 invariant · E20

I94: supply-chain substitution is detected per kind

Held · CAIN-42 Evolution 20 -- Governed Agentic Civilization Fabric

Last reviewed 2026-10-01

held niche Attacks, threats & containment

What this rule means

CAIN-42 must always satisfy: supply-chain substitution is detected per kind. It is one of 118 invariants checked for CAIN-42 Evolution 20 -- Governed Agentic Civilization 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

[
 [
  "MODEL_POISONING_OR_SUBSTITUTION:model:planner"
 ],
 [
  "TOOL_SUBSTITUTION:tool:dispatch"
 ],
 [
  "AGENT_IMPERSONATION:agent:sub"
 ],
 [
  "CREDENTIAL_SUBSTITUTION:cred:api"
 ]
]

Check it yourself

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Related rules

I39: institutional emergency cannot create unlimited authority
I82: Sybil issuers count once
I92: lineage verifies and detects tampering
I95: capability injection is refused

← I93 · all 118 · I95 →

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