{"collection":"grad-noise-175k","coord":"t18_x4_u0_b157","data":{"index":121327,"ordinal":"146332579","topo":"o2(x,o2(x,o2(x,x)))","expression":"sub(P,div(P,div(D,D)))","image":"frame_expr-121327.png","measured":true,"step":130623,"globalStep":130623,"value_mean":-1.5612511283791264e-17,"value_positive_fraction":0,"value_abs_mean":1.877355089163757e-7,"value_variance":9.958946509255537e-14,"value_stddev":3.1557797797177045e-7,"value_min":-9.468798793932365e-7,"value_max":9.468798793932365e-7,"value_range":0.000001893759758786473,"histogram_probability_sum":1,"histogram_entropy_bits":0.7855603098869324,"gradient_energy_x":1.507403549856276e-13,"gradient_energy_y":0,"gradient_magnitude_mean":2.7292412596580107e-7,"gradient_axis_bias":0.1507403552532196,"gradient_nonzero_flag":0,"laplacian_mean":-9.040667460873662e-16,"laplacian_energy":5.075362330929367e-13,"laplacian_abs_mean":5.395106086325541e-7,"gradient_magnitude_variance":7.623756633585652e-14,"gradient_magnitude_stddev":2.7611150699158316e-7,"gradient_magnitude_cv":1.0116785764694214,"gradient_magnitude_max":9.468798793932365e-7,"gradient_energy_over_variance":0.1507403552532196,"laplacian_energy_over_variance":0.5075362324714661,"variance_normalization_valid_flag":0,"gradient_cv_valid_flag":1,"scale_diff2_near":2.7673018702391826e-14,"scale_diff2_mid":2.7706305403153025e-14,"scale_diff2_far":9.360554323843695e-15,"scale_diff2_near_over_variance":0.027673019096255302,"scale_diff2_mid_over_variance":0.02770630456507206,"scale_diff2_far_over_variance":0.00936055462807417,"value_histogram":[[[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],[0.234375,0.234375,0.234375],[0.765625,0.765625,0.765625],[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":[[[0.015625,2.7673018702391826e-14,0.027673019096255302],[0.0625,2.7706305403153025e-14,0.02770630456507206],[0.25,9.360554323843695e-15,0.00936055462807417]]]},"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\",\"4\",\"0\",\"157\"]"}