What it is
52-card engine mirrored from packages/quantum-deck on every verify:quantum-deck (p31-quantum-deck-core.mjs). Fair Shuffle · Suite Core is a core component of the P31 Labs sovereign cognitive infrastructure stack — built to run offline, deployed to the edge, and designed without dark patterns.
Static shell; core copied from packages/quantum-deck/src/deck.mjs. No wagering, no loot RNG. Short /deck in _redirects.
Core features
52-card engine mirrored from packages/quantum-deck on every verify:quantum-deck (p31-quantum-deck-core.mjs)
Shuffle uses globalThis.crypto.getRandomValues + unbiased int — same disclosure posture as magic-crystal
Save envelope p31.quantumDeckSave/0.1.0 — rules engines land in later milestones
How to use
1Tap Shuffle to draw a fresh permutation — inspect the first row of card ids
2Pair with K4 Tomography + market when teaching “measurement vs hidden information” metaphor
Architecture
Static shell; core copied from packages/quantum-deck/src/deck.mjs. No wagering, no loot RNG. Short /deck in _redirects.
P31 Labs, Inc. (Georgia nonprofit, EIN 42-1888158) builds open tools for cognitive sovereignty, communication clarity, and family coordination. This page is technical documentation, not medical or legal advice. Mission and support: phosphorus31.org.