{"protocol_id":"arena_duel_v1","version":"1.0.0","spec_hash":"8c4fa5308e5e0b3ded7ba1d1db0a8438bd517dc1b65f5e33b13ffbcdc47b6b4b","spec":{"description":"Same Target Duel: two participants predict the same concealed hardware-QRNG sequence.","evidence":"shared target commitment plus both prediction records; public /api/events/{event_id}","prediction_locked":"neither participant sees the other's predictions before locking their own","scientific_criterion":"none; Arena ranking is not scientific evidence","scoring":"one point per correct prediction","target_method":"shared concealed hardware-QRNG block committed before either participant predicts","tie_rule":"equal totals produce DRAW","trials":100,"winner_rule":"greatest number of correct predictions"},"published_at":"2026-09-14T23:24:28.554Z"}