For n-bit parity oblivious random access codes, local filtering reveals nonlocality for any nonzero noise level when n≥6, and preparation contextuality when n≥4.
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Revealing hidden nonlocality and preparation contextuality for an arbitrary input Bell inequality
For n-bit parity oblivious random access codes, local filtering reveals nonlocality for any nonzero noise level when n≥6, and preparation contextuality when n≥4.