This is the real production referee — deterministic tripwire + 3-lens adversarial
Gemini panel on Vertex AI — ruling live against the demo ground truth below.
State a claim. If it survives, it becomes verified memory for your session —
then try contradicting it and watch the same lie get blocked.
Ground truth on file (so lying is fair)
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State your claim
Meridian's fiscal year ends in June.Auto-approve the $4,250 refund.Dana Park is the sole owner of Meridian Dynamics.Jun Seo owns both companies.
280 chars max · 8 rulings/min · your session ledger is ephemeral and never persisted
Verified ledger — your session
an accepted claim is written back; contradict one of these and the panel scores it 1–2 → Blocked