Docs, Sheets, Slides, chat, and music — one sovereign jar.
QPJ (Lantern) is the unified family gateway: progressive-disclosure modes, a PIN-elevated workshop, Yjs-collaborative Docs/Sheets/Slides, and a spatial music maker. Built on PGlite + Yjs + PQC.
What "quantum pickle jar" actually means
Try it. Enter the caregiver PIN (try 1234) and watch the workshop unlock.
Progressive disclosure is a security posture: a child's spark mode never reaches the caregiver workshop without a PIN. Per-person isolation, never persisted.
What's inside
Collaborative suite
Docs, Sheets, Slides on Yjs CRDT with PQC capability-token relay sync.
Progressive disclosure
Spark → maker → workshop modes, PIN-gated, per-person isolation.
Spatial music maker
Street-song: a collaborative spatial instrument with iframe bridge.
Sovereign identity
Ed25519 + ML-DSA-65 hybrid PQC identity per family member.
Built with
Questions people ask
Why modes?
Progressive disclosure is a security posture — a child's mode never reaches caregiver tools without a PIN.
What is inside the workshop?
Tokens, recipes, components, and a sandboxed AI studio.