HEIMDALL · Division
The guardian that says no —
and proves why.
Verification gate for high-consequence decisions. Grounds every claim, weighs proportionality, refuses what it can’t prove. It can refuse — it cannot grant permission.
REFUSEClaim can’t be grounded — action cannot proceed; failed claim named.verdict
HOLDTrue, but doesn’t bear the load — escalated for human judgment.verdict
ABSTAINStakes can’t be assessed — gate will not stamp what it can’t see.verdict
NO OBJECTIONGrounded and proportionate — still not permission. Authority stays human.verdict
SENTINEL — deterministic SOC alert triage — 94.0% held-out accuracy. No approval verdict on the gate.