{"collection":"grad-noise-175k","coord":"t18_x41_u0_b141","data":{"index":128748,"ordinal":"147827400","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(D,sub(D,dot(D,R)))","image":"frame_expr-128748.png","measured":true,"step":58391,"globalStep":58391,"value_mean":0.004186057485640049,"value_positive_fraction":0.519012451171875,"value_abs_mean":0.1403372436761856,"value_variance":0.031188424676656723,"value_stddev":0.17660243809223175,"value_min":-0.5258705615997314,"value_max":0.5964610576629639,"value_range":1.1223316192626953,"histogram_probability_sum":1,"histogram_entropy_bits":3.547938585281372,"gradient_energy_x":0.0010249433107674122,"gradient_energy_y":0.001035850727930665,"gradient_magnitude_mean":0.04103881120681763,"gradient_axis_bias":-0.005292822606861591,"gradient_nonzero_flag":1,"laplacian_mean":-0.00012142670311732218,"laplacian_energy":0.00020655665139202029,"laplacian_abs_mean":0.0115995854139328,"gradient_magnitude_variance":0.00037661127862520516,"gradient_magnitude_stddev":0.019406475126743317,"gradient_magnitude_cv":0.472881019115448,"gradient_magnitude_max":0.12461861968040466,"gradient_energy_over_variance":0.06607560813426971,"laplacian_energy_over_variance":0.0066228630021214485,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.003983355592936277,"scale_diff2_mid":0.045167118310928345,"scale_diff2_far":0.06353295594453812,"scale_diff2_near_over_variance":0.12771904468536377,"scale_diff2_mid_over_variance":1.4482014179229736,"scale_diff2_far_over_variance":2.0370686054229736,"value_histogram":[[[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.0004425048828125,0.0004425048828125,0.0004425048828125],[0.003997802734375,0.003997802734375,0.003997802734375],[0.0131378173828125,0.0131378173828125,0.0131378173828125],[0.026702880859375,0.026702880859375,0.026702880859375],[0.0401153564453125,0.0401153564453125,0.0401153564453125],[0.058807373046875,0.058807373046875,0.058807373046875],[0.0838775634765625,0.0838775634765625,0.0838775634765625],[0.1128692626953125,0.1128692626953125,0.1128692626953125],[0.1408843994140625,0.1408843994140625,0.1408843994140625],[0.1457672119140625,0.1457672119140625,0.1457672119140625],[0.1295166015625,0.1295166015625,0.1295166015625],[0.098663330078125,0.098663330078125,0.098663330078125],[0.065155029296875,0.065155029296875,0.065155029296875],[0.0408172607421875,0.0408172607421875,0.0408172607421875],[0.0211334228515625,0.0211334228515625,0.0211334228515625],[0.010498046875,0.010498046875,0.010498046875],[0.0053863525390625,0.0053863525390625,0.0053863525390625],[0.00201416015625,0.00201416015625,0.00201416015625],[0.000213623046875,0.000213623046875,0.000213623046875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.003983355592936277,0.12771904468536377],[0.0625,0.045167118310928345,1.4482014179229736],[0.25,0.06353295594453812,2.0370686054229736]]]},"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":"[\"18\",\"41\",\"0\",\"141\"]"}