{"collection":"grad-noise-175k","coord":"t20_x37_u0_b145","data":{"index":167098,"ordinal":"163907002","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,mlt(mlt(D,P),D))","image":"frame_expr-167098.png","measured":true,"step":45191,"globalStep":45191,"value_mean":2.984279490192421e-11,"value_positive_fraction":0.5,"value_abs_mean":0.42342713475227356,"value_variance":0.3143840730190277,"value_stddev":0.5606996417045593,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":4.518298625946045,"gradient_energy_x":0.018759001046419144,"gradient_energy_y":0,"gradient_magnitude_mean":0.10082528740167618,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-9.38596748066567e-13,"laplacian_energy":0.005773330572992563,"laplacian_abs_mean":0.05170556530356407,"gradient_magnitude_variance":0.008592555299401283,"gradient_magnitude_stddev":0.09269603341817856,"gradient_magnitude_cv":0.9193729162216187,"gradient_magnitude_max":0.38670504093170166,"gradient_energy_over_variance":0.05966905504465103,"laplacian_energy_over_variance":0.018363939598202705,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0266681257635355,"scale_diff2_mid":0.1645636409521103,"scale_diff2_far":0.032700810581445694,"scale_diff2_near_over_variance":0.08482657372951508,"scale_diff2_mid_over_variance":0.5234477519989014,"scale_diff2_far_over_variance":0.10401547700166702,"value_histogram":[[[0.09375,0.09375,0.09375],[0.015625,0.015625,0.015625],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.01953125,0.01953125,0.01953125],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.01953125,0.01953125,0.01953125],[0.01953125,0.01953125,0.01953125],[0.03125,0.03125,0.03125],[0.015625,0.015625,0.015625],[0.03515625,0.03515625,0.03515625],[0.03515625,0.03515625,0.03515625],[0.05078125,0.05078125,0.05078125],[0.109375,0.109375,0.109375],[0.109375,0.109375,0.109375],[0.05078125,0.05078125,0.05078125],[0.03515625,0.03515625,0.03515625],[0.03515625,0.03515625,0.03515625],[0.015625,0.015625,0.015625],[0.03125,0.03125,0.03125],[0.01953125,0.01953125,0.01953125],[0.01953125,0.01953125,0.01953125],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.01953125,0.01953125,0.01953125],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.015625,0.015625,0.015625],[0.09375,0.09375,0.09375]]],"scale_curve":[[[0.015625,0.0266681257635355,0.08482657372951508],[0.0625,0.1645636409521103,0.5234477519989014],[0.25,0.032700810581445694,0.10401547700166702]]]},"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\",\"37\",\"0\",\"145\"]"}