{"collection":"grad-noise-175k","coord":"t20_x25_u0_b106","data":{"index":164647,"ordinal":"163422151","topo":"o2(x,o2(o2(x,x),x))","expression":"add(P,dot(eql(R,R),D))","image":"frame_expr-164647.png","measured":true,"step":25583,"globalStep":25583,"value_mean":0,"value_positive_fraction":0.5,"value_abs_mean":0.9375,"value_variance":0.9166825413703918,"value_stddev":0.9574353694915771,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.9790607690811157,"gradient_energy_x":0.0004914863966405392,"gradient_energy_y":0.0002064834552584216,"gradient_magnitude_mean":0.009428443387150764,"gradient_axis_bias":0.4083312749862671,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.00008485555736115202,"laplacian_abs_mean":0.0024472172372043133,"gradient_magnitude_variance":0.0006091271061450243,"gradient_magnitude_stddev":0.024680498987436295,"gradient_magnitude_cv":2.617664098739624,"gradient_magnitude_max":0.08797770738601685,"gradient_energy_over_variance":0.000761408475227654,"laplacian_energy_over_variance":0.0000925680942600593,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0018124256748706102,"scale_diff2_mid":0.022825894877314568,"scale_diff2_far":0.22457528114318848,"scale_diff2_near_over_variance":0.001977157313376665,"scale_diff2_mid_over_variance":0.024900544434785843,"scale_diff2_far_over_variance":0.24498696625232697,"value_histogram":[[[0.44140625,0.44140625,0.44140625],[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],[0.44140625,0.44140625,0.44140625]]],"scale_curve":[[[0.015625,0.0018124256748706102,0.001977157313376665],[0.0625,0.022825894877314568,0.024900544434785843],[0.25,0.22457528114318848,0.24498696625232697]]]},"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\",\"25\",\"0\",\"106\"]"}