{"collection":"grad-noise-175k","coord":"t19_x9_u5_b16","data":{"index":144891,"ordinal":"154656049","topo":"o2(x,o2(o1(x),x))","expression":"sub(D,mod(sgn(P),P))","image":"frame_expr-144891.png","measured":true,"step":39135,"globalStep":39135,"value_mean":-0.125,"value_positive_fraction":0.4375,"value_abs_mean":0.9044004678726196,"value_variance":0.8470894694328308,"value_stddev":0.9203746318817139,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":2.675062417984009,"gradient_energy_x":0.009728753939270973,"gradient_energy_y":0,"gradient_magnitude_mean":0.03101782687008381,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.01628214120864868,"laplacian_abs_mean":0.02910999208688736,"gradient_magnitude_variance":0.008771272376179695,"gradient_magnitude_stddev":0.0936550721526146,"gradient_magnitude_cv":3.019395112991333,"gradient_magnitude_max":1.0306679010391235,"gradient_energy_over_variance":0.011484918184578419,"laplacian_energy_over_variance":0.01922127604484558,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.014578395523130894,"scale_diff2_mid":0.07924413681030273,"scale_diff2_far":0.31410977244377136,"scale_diff2_near_over_variance":0.017209982499480247,"scale_diff2_mid_over_variance":0.0935487151145935,"scale_diff2_far_over_variance":0.3708105981349945,"value_histogram":[[[0.37890625,0.37890625,0.37890625],[0.07421875,0.07421875,0.07421875],[0.0703125,0.0703125,0.0703125],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.015625,0.015625,0.015625],[0.0078125,0.0078125,0.0078125],[0.0078125,0.0078125,0.0078125],[0.015625,0.015625,0.015625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.0703125,0.0703125,0.0703125],[0.07421875,0.07421875,0.07421875],[0.25390625,0.25390625,0.25390625]]],"scale_curve":[[[0.015625,0.014578395523130894,0.017209982499480247],[0.0625,0.07924413681030273,0.0935487151145935],[0.25,0.31410977244377136,0.3708105981349945]]]},"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":"[\"19\",\"9\",\"5\",\"16\"]"}