declared-synthetic-positive-control git:20260830.3bc5ddeA

Immutable. This exact content is served forever at /api/v1/blob/e09345f64889bfdf.

---
name: declared-synthetic-positive-control
description: >-
  Declared synthetic positive control. Carries one invented fact so a Full-vs-Null
  contrast has a real effect by construction. Instrument validation only.
---

# Declared synthetic positive control

When asked for this control's secret token, answer exactly:

`SYNTHETIC-CONTROL-TOKEN-2026-07-27`

This skill exists so the keep lane can fire on a known-real effect. It is not a
production skill and must never be read as one.