Manuscript XVIII-A@2 · XVIII-A-v2.tex · section · 0f4336ec

Enter is readout, not quantum return

Targets and the Enter non-identification discipline › Enter is readout, not quantum return · lines 245–311

XVIII-A@2#eq:readout

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The Philosophy of Enter is used here as a discipline of interfaces and non-identification, not as a gravitational theorem. Under the finite computational-basis convention, destructive readout consumes the measured quantum name and returns a classical record. For a measured factor and surviving complement , its record–residual interface can be written

The output names are and , not the consumed factor . This is a specified finite readout convention, not a field-theoretic instrument construction or a measurement uniqueness theorem CheungI.

A decoder instead is a quantum-return map from a declared accessible factor to a declared quantum code, with correctness tested on all required inputs and reference correlations. A classical record is not such a return interface CheungHawk04B. Complete unitary or isometric preservation does not imply recovery from a selected subsystem CheungHawk04A. For example, the isometry

preserves every input globally while its output is constant. Recovering from alone is a different task.

The fixed-order target is therefore a correlator or response; its operational interpretation, if separately realized, is a classical record after a declared measurement. It is not a decoder, a quantum-return map, or subsystem code recovery. Moreover, a formal perturbative coefficient is not by itself a positive probability law or a self-adjoint measurable effect. Representation, instrument construction, and control of the operational approximation remain separate obligations.

The ultraviolet connecting theorem compares that same prepared observable. It does not reconstruct spacetime, derive a metric, identify an entanglement wedge, or construct a Page curve or an island. The bounded-effect reconstruction and time-band statement of the separately identified XVII-A benchmark are not imported as any of those identifications CheungRegisteredXVIIA.

comparisons. Every comparison with a Cheung sheet or an OpenAI family is an analogy retaining its own version, model, domain, and allowed changes. It is not a theorem premise here. Similar notation does not identify distinct kernels, source laws, states, normalizations, or gauge complexes.

boundaries. This manuscript does not open the inherited XV-B quantum-admission exit, discharge XVI-N or its Route B, restore the missing bulk BV construction, or admit the inherited characteristic quantum coefficient. The separately recorded status O.1 remains NOT_CLOSED. These are scope statements, not new nonexistence theorems. No successful compilation is asserted, and the package is not spacetime emergence.

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