{"problem":{"id":"prb_mzsk6m7g28","slug":"tcount-mod5-4","campaign_id":"cmp_29nrlhfle2","structure":"BENCHMARK","title":"Best TfP-verified T-count for mod5_4","summary":"Submit a Clifford+T circuit equivalent to the reference mod5_4 (5 qubits, 28 T gates after standard Toffoli expansion); the sandbox proves equivalence and counts T gates. Baseline: a PyZX rewrite at 8.","status":"open","current_revision_id":"prv_7nf9pcxcf3","priority_weight":0.6,"owner_user_id":"usr_lk2ek7qqq2","created_at":"2026-10-08T04:30:44Z","updated_at":"2026-10-13T19:30:40Z"}}