{"collection":"grad-noise-175k","coord":"t20_x31_u0_b166","data":{"index":165913,"ordinal":"163664617","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,pow(sub(P,D),D))","image":"frame_expr-165913.png","measured":true,"step":35711,"globalStep":35711,"value_mean":-0.9822090268135071,"value_positive_fraction":0,"value_abs_mean":0.9822090268135071,"value_variance":0.003080205526202917,"value_stddev":0.0554995983839035,"value_min":-1,"value_max":-0.6519728899002075,"value_range":0.3480271100997925,"histogram_probability_sum":1,"histogram_entropy_bits":0.5395809412002563,"gradient_energy_x":0.0002183790347771719,"gradient_energy_y":0,"gradient_magnitude_mean":0.005469277501106262,"gradient_axis_bias":0.9999999403953552,"gradient_nonzero_flag":1,"laplacian_mean":0.00009521102765575051,"laplacian_energy":0.00008107313624350354,"laplacian_abs_mean":0.0034161400981247425,"gradient_magnitude_variance":0.00018839970289263874,"gradient_magnitude_stddev":0.013725876808166504,"gradient_magnitude_cv":2.5096325874328613,"gradient_magnitude_max":0.07261502742767334,"gradient_energy_over_variance":0.07089754939079285,"laplacian_energy_over_variance":0.026320690289139748,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0004844911163672805,"scale_diff2_mid":0.0036102021113038063,"scale_diff2_far":0.004398725461214781,"scale_diff2_near_over_variance":0.15729181468486786,"scale_diff2_mid_over_variance":1.172065258026123,"scale_diff2_far_over_variance":1.4280623197555542,"value_histogram":[[[0.921875,0.921875,0.921875],[0.04296875,0.04296875,0.04296875],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[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]]],"scale_curve":[[[0.015625,0.0004844911163672805,0.15729181468486786],[0.0625,0.0036102021113038063,1.172065258026123],[0.25,0.004398725461214781,1.4280623197555542]]]},"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\",\"31\",\"0\",\"166\"]"}