{"collection":"grad-noise-175k","coord":"t19_x4_u2_b15","data":{"index":140292,"ordinal":"154453440","topo":"o2(x,o2(o1(x),x))","expression":"sub(P,pow(frc(D),D))","image":"frame_expr-140292.png","measured":true,"step":2343,"globalStep":2343,"value_mean":-0.12407730519771576,"value_positive_fraction":0.4375,"value_abs_mean":0.9375,"value_variance":0.9036241769790649,"value_stddev":0.950591504573822,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.8649572134017944,"gradient_energy_x":0.0006538842571899295,"gradient_energy_y":0,"gradient_magnitude_mean":0.007936421781778336,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":2.0104742315396607e-9,"laplacian_energy":0.00012200693163322285,"laplacian_abs_mean":0.003017677227035165,"gradient_magnitude_variance":0.000591104500927031,"gradient_magnitude_stddev":0.024312639608979225,"gradient_magnitude_cv":3.0634257793426514,"gradient_magnitude_max":0.10893827676773071,"gradient_energy_over_variance":0.0007236241362988949,"laplacian_energy_over_variance":0.00013501955254469067,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0016536116600036621,"scale_diff2_mid":0.021588817238807678,"scale_diff2_far":0.22853247821331024,"scale_diff2_near_over_variance":0.0018299772636964917,"scale_diff2_mid_over_variance":0.02389136701822281,"scale_diff2_far_over_variance":0.25290656089782715,"value_histogram":[[[0.5,0.5,0.5],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.01171875,0.01171875,0.01171875],[0.0078125,0.0078125,0.0078125],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.38671875,0.38671875,0.38671875]]],"scale_curve":[[[0.015625,0.0016536116600036621,0.0018299772636964917],[0.0625,0.021588817238807678,0.02389136701822281],[0.25,0.22853247821331024,0.25290656089782715]]]},"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\",\"4\",\"2\",\"15\"]"}