{"collection":"grad-noise-175k","coord":"t20_x51_u0_b135","data":{"index":169902,"ordinal":"164472606","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,sub(div(R,R),P))","image":"frame_expr-169902.png","measured":true,"step":67623,"globalStep":67623,"value_mean":-0.125,"value_positive_fraction":0.4375,"value_abs_mean":0.9375,"value_variance":0.9009312391281128,"value_stddev":0.9491739869117737,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.9662505388259888,"gradient_energy_x":0.00048828125,"gradient_energy_y":1.052268947655956e-17,"gradient_magnitude_mean":0.007936508394777775,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-5.767676891643703e-10,"laplacian_energy":0.000015500985682592727,"laplacian_abs_mean":0.0004960318328812718,"gradient_magnitude_variance":0.00042527588084340096,"gradient_magnitude_stddev":0.020622218027710915,"gradient_magnitude_cv":2.5983994007110596,"gradient_magnitude_max":0.06250005960464478,"gradient_energy_over_variance":0.0005419739172793925,"laplacian_energy_over_variance":0.000017205513358931057,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0012849506456404924,"scale_diff2_mid":0.01928453892469406,"scale_diff2_far":0.22450658679008484,"scale_diff2_near_over_variance":0.0014262471813708544,"scale_diff2_mid_over_variance":0.021405115723609924,"scale_diff2_far_over_variance":0.24919390678405762,"value_histogram":[[[0.50390625,0.50390625,0.50390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0.37890625,0.37890625,0.37890625]]],"scale_curve":[[[0.015625,0.0012849506456404924,0.0014262471813708544],[0.0625,0.01928453892469406,0.021405115723609924],[0.25,0.22450658679008484,0.24919390678405762]]]},"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\",\"51\",\"0\",\"135\"]"}