START WITH A QUESTION
Make the artifact.
Keep the receipt.
A bounded tutor for the five-day AI literacy course. The model is pinned for the exercise. Your transcript stays in this browser; the server records only a hashed session and turn metadata by default.
CURRENT EXERCISE
Receipt boundary: each response creates a chained server receipt containing exercise, model, character counts, usage, and hashes—not raw message text.
01 · PromptYou name the problem.
02 · TutorBounded model proposes a move.
03 · ArtifactYou check and keep what survives.
04 · ReceiptThe action becomes inspectable.
BIPU IO is an exercise environment, not an oracle. Model access may fail, in which case the app returns a deterministic fallback rather than pretending the provider answered.