{"collection":"grad-noise-175k","coord":"t20_x37_u0_b1","data":{"index":166954,"ordinal":"163906858","topo":"o2(x,o2(o2(x,x),x))","expression":"add(D,add(sub(D,P),D))","image":"frame_expr-166954.png","measured":true,"step":44039,"globalStep":44039,"value_mean":0,"value_positive_fraction":0.5,"value_abs_mean":0.9374999403953552,"value_variance":0.9161661267280579,"value_stddev":0.9571656584739685,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.9067693948745728,"gradient_energy_x":0.00359186134301126,"gradient_energy_y":0,"gradient_magnitude_mean":0.019457310438156128,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.001010386971756816,"laplacian_abs_mean":0.010964403860270977,"gradient_magnitude_variance":0.0032148307655006647,"gradient_magnitude_stddev":0.0566994771361351,"gradient_magnitude_cv":2.9140450954437256,"gradient_magnitude_max":0.2800307273864746,"gradient_energy_over_variance":0.003920534625649452,"laplacian_energy_over_variance":0.0011028425069525838,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.008857952430844307,"scale_diff2_mid":0.05969364941120148,"scale_diff2_far":0.2239023894071579,"scale_diff2_near_over_variance":0.009668500162661076,"scale_diff2_mid_over_variance":0.06515592336654663,"scale_diff2_far_over_variance":0.2443905919790268,"value_histogram":[[[0.4375,0.4375,0.4375],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0,0,0],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.0078125,0.0078125,0.0078125],[0.01171875,0.01171875,0.01171875],[0,0,0],[0,0,0],[0,0,0],[0,0,0],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.0078125,0.0078125,0.0078125],[0.4375,0.4375,0.4375]]],"scale_curve":[[[0.015625,0.008857952430844307,0.009668500162661076],[0.0625,0.05969364941120148,0.06515592336654663],[0.25,0.2239023894071579,0.2443905919790268]]]},"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\",\"37\",\"0\",\"1\"]"}