{"collection":"grad-noise-175k","coord":"t20_x53_u0_b136","data":{"index":170305,"ordinal":"164553409","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,sub(pow(R,R),R))","image":"frame_expr-170305.png","measured":true,"step":70847,"globalStep":70847,"value_mean":-0.966288685798645,"value_positive_fraction":0.0058135986328125,"value_abs_mean":0.9669241309165955,"value_variance":0.026822708547115326,"value_stddev":0.16377639770507812,"value_min":-1,"value_max":0.14214083552360535,"value_range":1.1421408653259277,"histogram_probability_sum":1,"histogram_entropy_bits":0.40775033831596375,"gradient_energy_x":0.0027167031075805426,"gradient_energy_y":0.0027619993779808283,"gradient_magnitude_mean":0.008053631521761417,"gradient_axis_bias":-0.008267699740827084,"gradient_nonzero_flag":1,"laplacian_mean":-0.000004539326255326159,"laplacian_energy":0.01133041549474001,"laplacian_abs_mean":0.013558432459831238,"gradient_magnitude_variance":0.005411797668784857,"gradient_magnitude_stddev":0.07356492429971695,"gradient_magnitude_cv":9.134379386901855,"gradient_magnitude_max":1.346768856048584,"gradient_energy_over_variance":0.2042561173439026,"laplacian_energy_over_variance":0.4224187433719635,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0044674742966890335,"scale_diff2_mid":0.019282324239611626,"scale_diff2_far":0.04556296393275261,"scale_diff2_near_over_variance":0.16655567288398743,"scale_diff2_mid_over_variance":0.7188805341720581,"scale_diff2_far_over_variance":1.6986712217330933,"value_histogram":[[[0.95703125,0.95703125,0.95703125],[0,0,0],[0,0,0],[0.0003662109375,0.0003662109375,0.0003662109375],[0.0003662109375,0.0003662109375,0.0003662109375],[0.0004730224609375,0.0004730224609375,0.0004730224609375],[0.0005035400390625,0.0005035400390625,0.0005035400390625],[0.0013580322265625,0.0013580322265625,0.0013580322265625],[0.0031585693359375,0.0031585693359375,0.0031585693359375],[0.0028839111328125,0.0028839111328125,0.0028839111328125],[0.003326416015625,0.003326416015625,0.003326416015625],[0.0033111572265625,0.0033111572265625,0.0033111572265625],[0.0064544677734375,0.0064544677734375,0.0064544677734375],[0.006927490234375,0.006927490234375,0.006927490234375],[0.00433349609375,0.00433349609375,0.00433349609375],[0.003692626953125,0.003692626953125,0.003692626953125],[0.0035552978515625,0.0035552978515625,0.0035552978515625],[0.002166748046875,0.002166748046875,0.002166748046875],[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],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.0044674742966890335,0.16655567288398743],[0.0625,0.019282324239611626,0.7188805341720581],[0.25,0.04556296393275261,1.6986712217330933]]]},"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\",\"53\",\"0\",\"136\"]"}