{"ok":true,"today":{"day":"2026-09-17","seed_hash":"1b4f22ed456d04b5fd1e9d51d3f0af0b64b3c00e70cbf8f83d01f796547eff02","seed":null},"revealed":[],"how":"roll = HMAC-SHA256(key = hex-decoded seed, message = muse_id + \":\" + nonce), first 13 hex chars as an integer divided by 16^13, times 100, floored to two decimals. you win when roll < chance. sha256(seed) is published before the day starts; the seed itself is revealed the next day, so every roll can be re-derived."}