{"collection":"grad-noise-175k","coord":"t20_x52_u0_b141","data":{"index":170109,"ordinal":"164513013","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,sub(dot(R,R),D))","image":"frame_expr-170109.png","measured":true,"step":69279,"globalStep":69279,"value_mean":-0.8249728083610535,"value_positive_fraction":0.00634765625,"value_abs_mean":0.8259126543998718,"value_variance":0.0640745535492897,"value_stddev":0.2531295120716095,"value_min":-1,"value_max":0.26990121603012085,"value_range":1.2699012756347656,"histogram_probability_sum":1,"histogram_entropy_bits":2.63466215133667,"gradient_energy_x":0.003898897673934698,"gradient_energy_y":0.0011141931172460318,"gradient_magnitude_mean":0.04487093910574913,"gradient_axis_bias":0.5554865598678589,"gradient_nonzero_flag":1,"laplacian_mean":-0.00010961298539768904,"laplacian_energy":0.0015549889067187905,"laplacian_abs_mean":0.02232157438993454,"gradient_magnitude_variance":0.00299999606795609,"gradient_magnitude_stddev":0.05477222055196762,"gradient_magnitude_cv":1.2206612825393677,"gradient_magnitude_max":0.2921280264854431,"gradient_energy_over_variance":0.07823840528726578,"laplacian_energy_over_variance":0.024268431589007378,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.008906056173145771,"scale_diff2_mid":0.06836987286806107,"scale_diff2_far":0.0877683013677597,"scale_diff2_near_over_variance":0.1389952152967453,"scale_diff2_mid_over_variance":1.0670362710952759,"scale_diff2_far_over_variance":1.3697841167449951,"value_histogram":[[[0.562408447265625,0.562408447265625,0.562408447265625],[0.0523223876953125,0.0523223876953125,0.0523223876953125],[0.0517578125,0.0517578125,0.0517578125],[0.0486297607421875,0.0486297607421875,0.0486297607421875],[0.0419464111328125,0.0419464111328125,0.0419464111328125],[0.0390472412109375,0.0390472412109375,0.0390472412109375],[0.0361785888671875,0.0361785888671875,0.0361785888671875],[0.0333709716796875,0.0333709716796875,0.0333709716796875],[0.0283355712890625,0.0283355712890625,0.0283355712890625],[0.024444580078125,0.024444580078125,0.024444580078125],[0.020050048828125,0.020050048828125,0.020050048828125],[0.01617431640625,0.01617431640625,0.01617431640625],[0.0148773193359375,0.0148773193359375,0.0148773193359375],[0.0103759765625,0.0103759765625,0.0103759765625],[0.0077972412109375,0.0077972412109375,0.0077972412109375],[0.0059356689453125,0.0059356689453125,0.0059356689453125],[0.0032958984375,0.0032958984375,0.0032958984375],[0.00177001953125,0.00177001953125,0.00177001953125],[0.0009002685546875,0.0009002685546875,0.0009002685546875],[0.0002899169921875,0.0002899169921875,0.0002899169921875],[0.000091552734375,0.000091552734375,0.000091552734375],[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]]],"scale_curve":[[[0.015625,0.008906056173145771,0.1389952152967453],[0.0625,0.06836987286806107,1.0670362710952759],[0.25,0.0877683013677597,1.3697841167449951]]]},"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\",\"52\",\"0\",\"141\"]"}