21 October 2026 (plan hashed locally, not externally timestamped), the first planned attempt at the question later run on three processors (superposition and entanglement). 48 Bell pairs among the untouched qubits; 0, 8 or 16 readouts of 39 other qubits against idles of the same length; concurrence from five two-qubit settings; 1200 shots; one job (dbchn7s24mrc73cjlvb0).
The pairs lose almost all their entanglement after 8 steps in both arms (median concurrence 0.79 at the start, 0.08 after 8 idles, 0.065 after 8 readouts, 0 after 16), so the comparison returns 1 by construction. It cannot tell. The follow-up design added a step count where the pairs survive. declared analysis output
plan (SHA-256 in PREREG.sha256) · run.py · analyze.py · raw counts · job record · submission log
Bones · Wayfinder · Sage · Shuttle · Nova
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“We found it.”