{"collection":"grad-noise-175k","coord":"t20_x16_u0_b149","data":{"index":162881,"ordinal":"163058585","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(P,mlt(lrg(D,R),D))","image":"frame_expr-162881.png","measured":true,"step":11455,"globalStep":11455,"value_mean":-0.006166388280689716,"value_positive_fraction":0.4974212646484375,"value_abs_mean":0.9354416728019714,"value_variance":0.9225785136222839,"value_stddev":0.9605094790458679,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.8188445568084717,"gradient_energy_x":0.0012187371030449867,"gradient_energy_y":0.000018074153558700345,"gradient_magnitude_mean":0.01011585257947445,"gradient_axis_bias":0.970772922039032,"gradient_nonzero_flag":1,"laplacian_mean":-2.843295874299656e-7,"laplacian_energy":0.0004842177440878004,"laplacian_abs_mean":0.005068833474069834,"gradient_magnitude_variance":0.0011344869853928685,"gradient_magnitude_stddev":0.033682145178318024,"gradient_magnitude_cv":3.3296399116516113,"gradient_magnitude_max":0.4257239103317261,"gradient_energy_over_variance":0.001340602757409215,"laplacian_energy_over_variance":0.0005248525994829834,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.003025011857971549,"scale_diff2_mid":0.030927220359444618,"scale_diff2_far":0.23540645837783813,"scale_diff2_near_over_variance":0.0032788666430860758,"scale_diff2_mid_over_variance":0.0335225872695446,"scale_diff2_far_over_variance":0.25516143441200256,"value_histogram":[[[0.45379638671875,0.45379638671875,0.45379638671875],[0.00531005859375,0.00531005859375,0.00531005859375],[0.0028228759765625,0.0028228759765625,0.0028228759765625],[0.00213623046875,0.00213623046875,0.00213623046875],[0.0008697509765625,0.0008697509765625,0.0008697509765625],[0.00262451171875,0.00262451171875,0.00262451171875],[0.00103759765625,0.00103759765625,0.00103759765625],[0.00189208984375,0.00189208984375,0.00189208984375],[0.0013275146484375,0.0013275146484375,0.0013275146484375],[0.00091552734375,0.00091552734375,0.00091552734375],[0.0022430419921875,0.0022430419921875,0.0022430419921875],[0.0014190673828125,0.0014190673828125,0.0014190673828125],[0.0024566650390625,0.0024566650390625,0.0024566650390625],[0.00323486328125,0.00323486328125,0.00323486328125],[0.0091400146484375,0.0091400146484375,0.0091400146484375],[0.011260986328125,0.011260986328125,0.011260986328125],[0.0121307373046875,0.0121307373046875,0.0121307373046875],[0.00830078125,0.00830078125,0.00830078125],[0.0034637451171875,0.0034637451171875,0.0034637451171875],[0.0019378662109375,0.0019378662109375,0.0019378662109375],[0.0007171630859375,0.0007171630859375,0.0007171630859375],[0.00335693359375,0.00335693359375,0.00335693359375],[0.0010223388671875,0.0010223388671875,0.0010223388671875],[0.002960205078125,0.002960205078125,0.002960205078125],[0.0009307861328125,0.0009307861328125,0.0009307861328125],[0.0006561279296875,0.0006561279296875,0.0006561279296875],[0.002685546875,0.002685546875,0.002685546875],[0.00103759765625,0.00103759765625,0.00103759765625],[0.002899169921875,0.002899169921875,0.002899169921875],[0.0037841796875,0.0037841796875,0.0037841796875],[0.006500244140625,0.006500244140625,0.006500244140625],[0.44512939453125,0.44512939453125,0.44512939453125]]],"scale_curve":[[[0.015625,0.003025011857971549,0.0032788666430860758],[0.0625,0.030927220359444618,0.0335225872695446],[0.25,0.23540645837783813,0.25516143441200256]]]},"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\",\"16\",\"0\",\"149\"]"}