{"collection":"grad-noise-175k","coord":"t20_x56_u0_b15","data":{"index":170787,"ordinal":"164674491","topo":"o2(x,o2(o2(x,x),x))","expression":"add(R,sub(pow(P,P),R))","image":"frame_expr-170787.png","measured":true,"step":74703,"globalStep":74703,"value_mean":0,"value_positive_fraction":0.5,"value_abs_mean":1,"value_variance":1,"value_stddev":1,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1,"gradient_energy_x":0.01587301678955555,"gradient_energy_y":0,"gradient_magnitude_mean":0.007936508394777775,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.0317460335791111,"laplacian_abs_mean":0.01587301678955555,"gradient_magnitude_variance":0.015808288007974625,"gradient_magnitude_stddev":0.12573100626468658,"gradient_magnitude_cv":15.842105865478516,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.01587301678955555,"laplacian_energy_over_variance":0.0317460335791111,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.021052632480859756,"scale_diff2_mid":0.08421052992343903,"scale_diff2_far":0.3368421196937561,"scale_diff2_near_over_variance":0.021052632480859756,"scale_diff2_mid_over_variance":0.08421052992343903,"scale_diff2_far_over_variance":0.3368421196937561,"value_histogram":[[[0.5,0.5,0.5],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.5,0.5,0.5]]],"scale_curve":[[[0.015625,0.021052632480859756,0.021052632480859756],[0.0625,0.08421052992343903,0.08421052992343903],[0.25,0.3368421196937561,0.3368421196937561]]]},"renderer":1,"first_seen":"2026-09-23T00:00:00.000Z","last_seen":"2026-09-23T00:00:00.000Z","sightings":[{"at":"2026-09-23T00:00:00.000Z","data":null}],"axes":"[\"20\",\"56\",\"0\",\"15\"]"}