{"collection":"grad-noise-175k","coord":"t18_x40_u0_b42","data":{"index":128448,"ordinal":"147786900","topo":"o2(x,o2(x,o2(x,x)))","expression":"add(D,div(D,dot(D,D)))","image":"frame_expr-128448.png","measured":true,"step":55991,"globalStep":55991,"value_mean":4.656612873077393e-10,"value_positive_fraction":0.5,"value_abs_mean":0.7679761052131653,"value_variance":0.6772474050521851,"value_stddev":0.8229504227638245,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":3.6369001865386963,"gradient_energy_x":0.1808861941099167,"gradient_energy_y":0.009291887283325195,"gradient_magnitude_mean":0.2544815242290497,"gradient_axis_bias":0.902282178401947,"gradient_nonzero_flag":1,"laplacian_mean":9.010528989605859e-10,"laplacian_energy":0.2577779293060303,"laplacian_abs_mean":0.2020294964313507,"gradient_magnitude_variance":0.1254442185163498,"gradient_magnitude_stddev":0.35418105125427246,"gradient_magnitude_cv":1.391775131225586,"gradient_magnitude_max":2.034425973892212,"gradient_energy_over_variance":0.2808103561401367,"laplacian_energy_over_variance":0.3806259334087372,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.26813164353370667,"scale_diff2_mid":1.3968865871429443,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.39591386914253235,"scale_diff2_mid_over_variance":2.062594175338745,"scale_diff2_far_over_variance":0,"value_histogram":[[[0.265625,0.265625,0.265625],[0.0078125,0.0078125,0.0078125],[0.0234375,0.0234375,0.0234375],[0.0234375,0.0234375,0.0234375],[0.015625,0.015625,0.015625],[0.03125,0.03125,0.03125],[0,0,0],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.0234375,0.0234375,0.0234375],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.03125,0.03125,0.03125],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.03125,0.03125,0.03125],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.0234375,0.0234375,0.0234375],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0,0,0],[0.03125,0.03125,0.03125],[0.015625,0.015625,0.015625],[0.0234375,0.0234375,0.0234375],[0.0234375,0.0234375,0.0234375],[0.0078125,0.0078125,0.0078125],[0.265625,0.265625,0.265625]]],"scale_curve":[[[0.015625,0.26813164353370667,0.39591386914253235],[0.0625,1.3968865871429443,2.062594175338745],[0.25,0,0]]]},"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\",\"40\",\"0\",\"42\"]"}