{"collection":"grad-noise-175k","coord":"t20_x22_u0_b144","data":{"index":164082,"ordinal":"163300986","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(P,mlt(sub(R,D),D))","image":"frame_expr-164082.png","measured":true,"step":21063,"globalStep":21063,"value_mean":0.015045257285237312,"value_positive_fraction":0.5072021484375,"value_abs_mean":0.9411754012107849,"value_variance":0.9275625348091125,"value_stddev":0.9631004929542542,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.8117530345916748,"gradient_energy_x":0.0009833131916821003,"gradient_energy_y":0.000029962156986584887,"gradient_magnitude_mean":0.009468297474086285,"gradient_axis_bias":0.9408607482910156,"gradient_nonzero_flag":1,"laplacian_mean":7.141430558021966e-8,"laplacian_energy":0.00012500745651777834,"laplacian_abs_mean":0.003214415395632386,"gradient_magnitude_variance":0.0009243422537110746,"gradient_magnitude_stddev":0.030402997508645058,"gradient_magnitude_cv":3.211030960083008,"gradient_magnitude_max":0.19694674015045166,"gradient_energy_over_variance":0.0010924064554274082,"laplacian_energy_over_variance":0.00013476982712745667,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.002577768871560693,"scale_diff2_mid":0.029988843947649002,"scale_diff2_far":0.24262279272079468,"scale_diff2_near_over_variance":0.0027790782041847706,"scale_diff2_mid_over_variance":0.03233080357313156,"scale_diff2_far_over_variance":0.2615702748298645,"value_histogram":[[[0.4399871826171875,0.4399871826171875,0.4399871826171875],[0.0067138671875,0.0067138671875,0.0067138671875],[0.0055389404296875,0.0055389404296875,0.0055389404296875],[0.00360107421875,0.00360107421875,0.00360107421875],[0.0023651123046875,0.0023651123046875,0.0023651123046875],[0.0019073486328125,0.0019073486328125,0.0019073486328125],[0.001678466796875,0.001678466796875,0.001678466796875],[0.0020599365234375,0.0020599365234375,0.0020599365234375],[0.0015106201171875,0.0015106201171875,0.0015106201171875],[0.0022125244140625,0.0022125244140625,0.0022125244140625],[0.00213623046875,0.00213623046875,0.00213623046875],[0.002044677734375,0.002044677734375,0.002044677734375],[0.0027923583984375,0.0027923583984375,0.0027923583984375],[0.003387451171875,0.003387451171875,0.003387451171875],[0.0047149658203125,0.0047149658203125,0.0047149658203125],[0.0101470947265625,0.0101470947265625,0.0101470947265625],[0.010284423828125,0.010284423828125,0.010284423828125],[0.0063934326171875,0.0063934326171875,0.0063934326171875],[0.00384521484375,0.00384521484375,0.00384521484375],[0.002197265625,0.002197265625,0.002197265625],[0.001861572265625,0.001861572265625,0.001861572265625],[0.001922607421875,0.001922607421875,0.001922607421875],[0.0013885498046875,0.0013885498046875,0.0013885498046875],[0.001678466796875,0.001678466796875,0.001678466796875],[0.001678466796875,0.001678466796875,0.001678466796875],[0.001495361328125,0.001495361328125,0.001495361328125],[0.00189208984375,0.00189208984375,0.00189208984375],[0.001800537109375,0.001800537109375,0.001800537109375],[0.0018463134765625,0.0018463134765625,0.0018463134765625],[0.00244140625,0.00244140625,0.00244140625],[0.0037994384765625,0.0037994384765625,0.0037994384765625],[0.462677001953125,0.462677001953125,0.462677001953125]]],"scale_curve":[[[0.015625,0.002577768871560693,0.0027790782041847706],[0.0625,0.029988843947649002,0.03233080357313156],[0.25,0.24262279272079468,0.2615702748298645]]]},"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\",\"22\",\"0\",\"144\"]"}