{"collection":"grad-noise-175k","coord":"t20_x28_u0_b141","data":{"index":165285,"ordinal":"163543389","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,sub(dot(P,P),D))","image":"frame_expr-165285.png","measured":true,"step":30687,"globalStep":30687,"value_mean":-0.9962164163589478,"value_positive_fraction":0.000762939453125,"value_abs_mean":0.9963946342468262,"value_variance":0.0025539849884808064,"value_stddev":0.05053696408867836,"value_min":-1,"value_max":0.2229137420654297,"value_range":1.2229137420654297,"histogram_probability_sum":1,"histogram_entropy_bits":0.09701411426067352,"gradient_energy_x":0.00009932367538567632,"gradient_energy_y":0.00004599056774168275,"gradient_magnitude_mean":0.0010687534231692553,"gradient_axis_bias":0.3670191168785095,"gradient_nonzero_flag":1,"laplacian_mean":3.003509593813014e-11,"laplacian_energy":0.000048545429308433086,"laplacian_abs_mean":0.0005552289658226073,"gradient_magnitude_variance":0.00014407884737011045,"gradient_magnitude_stddev":0.012003284879028797,"gradient_magnitude_cv":11.231107711791992,"gradient_magnitude_max":0.25247901678085327,"gradient_energy_over_variance":0.05689706280827522,"laplacian_energy_over_variance":0.019007720053195953,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0004768666985910386,"scale_diff2_mid":0.004192802123725414,"scale_diff2_far":0.00928595382720232,"scale_diff2_near_over_variance":0.186714768409729,"scale_diff2_mid_over_variance":1.64167058467865,"scale_diff2_far_over_variance":3.635868549346924,"value_histogram":[[[0.9922027587890625,0.9922027587890625,0.9922027587890625],[0.0005340576171875,0.0005340576171875,0.0005340576171875],[0.0010986328125,0.0010986328125,0.0010986328125],[0.000701904296875,0.000701904296875,0.000701904296875],[0.0006561279296875,0.0006561279296875,0.0006561279296875],[0.0004730224609375,0.0004730224609375,0.0004730224609375],[0.0006103515625,0.0006103515625,0.0006103515625],[0.000762939453125,0.000762939453125,0.000762939453125],[0.0003814697265625,0.0003814697265625,0.0003814697265625],[0.0004425048828125,0.0004425048828125,0.0004425048828125],[0.000213623046875,0.000213623046875,0.000213623046875],[0.000274658203125,0.000274658203125,0.000274658203125],[0.0002288818359375,0.0002288818359375,0.0002288818359375],[0.0002593994140625,0.0002593994140625,0.0002593994140625],[0.00018310546875,0.00018310546875,0.00018310546875],[0.000213623046875,0.000213623046875,0.000213623046875],[0.000213623046875,0.000213623046875,0.000213623046875],[0.000152587890625,0.000152587890625,0.000152587890625],[0.000213623046875,0.000213623046875,0.000213623046875],[0.00018310546875,0.00018310546875,0.00018310546875],[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":[[[0.015625,0.0004768666985910386,0.186714768409729],[0.0625,0.004192802123725414,1.64167058467865],[0.25,0.00928595382720232,3.635868549346924]]]},"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\",\"28\",\"0\",\"141\"]"}