{"collection":"grad-noise-175k","coord":"t20_x40_u0_b143","data":{"index":167699,"ordinal":"164028203","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,mlt(add(D,D),D))","image":"frame_expr-167699.png","measured":true,"step":49999,"globalStep":49999,"value_mean":-0.23804005980491638,"value_positive_fraction":0.1875,"value_abs_mean":0.25339120626449585,"value_variance":0.04307255148887634,"value_stddev":0.20753927528858185,"value_min":-0.5311436653137207,"value_max":0.05747010558843613,"value_range":0.588613748550415,"histogram_probability_sum":1,"histogram_entropy_bits":3.202819585800171,"gradient_energy_x":0.006650143302977085,"gradient_energy_y":0,"gradient_magnitude_mean":0.07397640496492386,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0.0004810456302948296,"laplacian_energy":0.0010289562633261085,"laplacian_abs_mean":0.028549619019031525,"gradient_magnitude_variance":0.0011765615781769156,"gradient_magnitude_stddev":0.034301042556762695,"gradient_magnitude_cv":0.46367543935775757,"gradient_magnitude_max":0.12118202447891235,"gradient_energy_over_variance":0.1543940007686615,"laplacian_energy_over_variance":0.023888910189270973,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.012778345495462418,"scale_diff2_mid":0.085629403591156,"scale_diff2_far":0,"scale_diff2_near_over_variance":0.2966702878475189,"scale_diff2_mid_over_variance":1.9880272150039673,"scale_diff2_far_over_variance":0,"value_histogram":[[[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.125,0.125,0.125],[0.125,0.125,0.125],[0.125,0.125,0.125],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.0625,0.0625,0.0625],[0.125,0.125,0.125],[0.1875,0.1875,0.1875],[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],[0,0,0],[0,0,0]]],"scale_curve":[[[0.015625,0.012778345495462418,0.2966702878475189],[0.0625,0.085629403591156,1.9880272150039673],[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":"[\"20\",\"40\",\"0\",\"143\"]"}