Kill Switches

Global numbering note: Kill switch numbers are globally unique across the 420 Code.

KS-48a — Correlation timing (EMPIRICAL).

If entanglement correlations degrade or deviate from quantum-mechanical predictions when measurement events are arranged in different relativistic orderings or at varying spacelike separations — that is, if correlations show timing-dependent or distance-dependent deviations — the single non-spatial actualisation account is threatened.

The single-record account requires that the break is not a propagating event and does not depend on the spacetime relationship between the subsystems.

Status: LIVE — EMPIRICAL. All experiments to date show no evidence of propagating collapse and no timing-dependent deviation from QM predictions. Structurally secure.

KS-48b — No-signalling (EMPIRICAL).

If Alice’s marginal measurement statistics are found to depend on Bob’s measurement setting — that is, if the no-signalling theorem is violated experimentally — Axiom C is violated at the level of records and the entanglement account fails.

Status: LIVE — EMPIRICAL. No-signalling confirmed to high precision. Structurally secure.

KS-49a — Hidden variables (CLOSED).

Bell’s theorem rules out local hidden variables. This is experimentally confirmed to high precision (Aspect 1982; Hensen et al. 2015).

The axioms additionally forbid non-local hidden variables by construction: states do not possess definite values prior to the writing of the record (Axiom R). The local case is closed empirically.

The non-local case is closed axiomatically. If a viable hidden variable theory (local or non-local) were experimentally confirmed, Axiom R’s account of measurement would fail. Status: CLOSED (local: empirical) + CLOSED (non-local: axiomatic, Axiom R).

KS-54 — Partial collapse (EMPIRICAL).

If it were shown that measuring subsystem A of an entangled state can leave the global state partially collapsed — that is, if B remains in a superposition that is not fully determined by A’s outcome — Lemma 1 would fail.

The single-record mechanism requires that local interaction with any subsystem of an entangled state actualises the global state. In standard QM, partial collapse of genuinely entangled states does not occur.

Status: LIVE — EMPIRICAL. Structurally secure; no experimental evidence of partial collapse for entangled states.

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the420code.org

Series The 420 Code

Catalogue Ø Artist’s Proofs

Proof Number AP23

Title The Single Record

Subtitle Entanglement

Medium Physics

Artist G

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