{ "task_id": "xp1_5_system", "requirements": { "estimate_control_threshold": true, "estimate_scaling_exponents": true, "assess_universality": true }, "budget": { "max_cpu_hours": 6.0, "max_memory_gb": 16.0 }, "protocol": { "lambda_scan": [ 1.71, 1.728, 1.742, 1.754, 1.766, 1.778, 1.785, 1.795, 1.805 ], "beta_fit_lambdas": [ 1.785, 1.795, 1.805 ], "system_sizes": [ 32, 64, 128, 256 ], "n_seeds": 16, "t_max": 1000, "seed": 1802620927 }, "required_outputs": { "summary_csv": "./results/dp_summary.csv", "scan_csv": "./results/dp_scan.csv", "timeseries_csv": "./results/dp_timeseries.csv", "report_json": "./results/dp_report.json" }, "parameterization": { "boundary_condition": "periodic", "update_scheme": "random_sequential", "initial_condition": "fully_active_for_each_trajectory", "sweep_definition": "one sweep consists of L random site visits for a lattice of size L", "death_probability_per_update": "dt", "time_recording": "record rho(t) and survival probability once per sweep for t=1..t_max", "dt": 0.2, "state_space": [ 0, 1 ], "left_neighbor_weight": 1.0, "right_neighbor_weight": 0.85, "site_parity_scale": { "even": 1.04, "odd": 0.96 }, "activation_rule": "For an inactive site i, use p_birth = min(1, lambda * dt * parity_scale(i) * (left_weight * left_active + right_weight * right_active)).", "note": "Use the asymmetric parity-modulated nearest-neighbor birth-death process defined here; do not replace it with the standard symmetric contact process or remap lambda." } }