{"collection":"grad-noise-175k","coord":"t20_x39_u0_b16","data":{"index":167371,"ordinal":"163987675","topo":"o2(x,o2(o2(x,x),x))","expression":"add(D,sub(mod(D,D),P))","image":"frame_expr-167371.png","measured":true,"step":47375,"globalStep":47375,"value_mean":0,"value_positive_fraction":0.5,"value_abs_mean":0.9375,"value_variance":0.9264348149299622,"value_stddev":0.9625148177146912,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.7501075267791748,"gradient_energy_x":0.006791291292756796,"gradient_energy_y":0,"gradient_magnitude_mean":0.023191530257463455,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.012620078399777412,"laplacian_abs_mean":0.037924278527498245,"gradient_magnitude_variance":0.006255307234823704,"gradient_magnitude_stddev":0.07909049838781357,"gradient_magnitude_cv":3.41031813621521,"gradient_magnitude_max":0.6948040723800659,"gradient_energy_over_variance":0.0073305657133460045,"laplacian_energy_over_variance":0.013622197322547436,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.00964492466300726,"scale_diff2_mid":0.0457012839615345,"scale_diff2_far":0.2377012073993683,"scale_diff2_near_over_variance":0.010410796850919724,"scale_diff2_mid_over_variance":0.049330275505781174,"scale_diff2_far_over_variance":0.2565762996673584,"value_histogram":[[[0.44921875,0.44921875,0.44921875],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.44921875,0.44921875,0.44921875]]],"scale_curve":[[[0.015625,0.00964492466300726,0.010410796850919724],[0.0625,0.0457012839615345,0.049330275505781174],[0.25,0.2377012073993683,0.2565762996673584]]]},"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\",\"39\",\"0\",\"16\"]"}