The master system: identity invariant, admissibility before execution, and autonomous restoration under one fixed reference.
The terminal structural artifact of the Standing State. Identity is fixed as the invariant reference (I* = constant). State loses write-access to identity (∂I/∂S = 0). All trajectories are evaluated before execution through the admissibility gate: admissible paths execute, inadmissible paths halt. Jurisdiction is sealed (x ⇏ I*), preventing upward leakage from outcome into identity. Restoration is autonomous: Σ ↓ and B(t) ↑ release K_auto without force. Biology, finance, and cognition are not new coordinates; they are expressions under the same invariant reference. A becomes A, because A knows it is A.