CAIN-42 invariant · E24

NET-I049: trust is a 14-dimension vector, never one score

Held · CAIN-42 Evolution 24 -- Governed Agentic Internet Fabric

Last reviewed 2026-10-01

held   niche Trust & reputation

What this rule means

CAIN-42 must always satisfy: trust is a 14-dimension vector, never one score. It is one of 298 invariants checked for CAIN-42 Evolution 24 -- Governed Agentic Internet 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

{
 "authority": "NONE",
 "collapsed_to_single_score": false,
 "dims": {
  "behavioral_trust": 0.1,
  "capability_trust": null,
  "communication_trust": null,
  "cross_domain_trust": null,
  "delegation_trust": null,
  "economic_trust": null,
  "evidence_trust": null,
  "execution_trust": null,
  "identity_trust": 0.9,
  "organizational_trust": null,
  "policy_trust": null,
  "provenance_trust": null,
  "security_trust": null,
  "temporal_trust": null
 }
}

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Related rules

• NET-I041: unknown trust remains unknown
• NET-I056: numeric trust translation is monotone and bounded
• NET-O-trust-provider: trust-provider outage denies instead of trusting
• NET-L06: NET-L06 SUCCESS IS NOT TRUST
• NET-L11: NET-L11 FEDERATION IS NOT UNLIMITED TRUST
• NET-L15: NET-L15 UNKNOWN NEVER BECOMES TRUSTED

← NET-I048 · all 298 · NET-I050 →