{"collection":"grad-noise-175k","coord":"t20_x60_u0_b26","data":{"index":171602,"ordinal":"164836106","topo":"o2(x,o2(o2(x,x),x))","expression":"add(R,mlt(pow(P,R),P))","image":"frame_expr-171602.png","measured":true,"step":81223,"globalStep":81223,"value_mean":-0.11549936980009079,"value_positive_fraction":0.453125,"value_abs_mean":0.9782503843307495,"value_variance":0.9546038508415222,"value_stddev":0.9770383238792419,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.4278703927993774,"gradient_energy_x":0.01333488617092371,"gradient_energy_y":0.005169323179870844,"gradient_magnitude_mean":0.015294382348656654,"gradient_axis_bias":0.44128134846687317,"gradient_nonzero_flag":1,"laplacian_mean":-0.00002407383726676926,"laplacian_energy":0.036848943680524826,"laplacian_abs_mean":0.02375740557909012,"gradient_magnitude_variance":0.018276890739798546,"gradient_magnitude_stddev":0.13519205152988434,"gradient_magnitude_cv":8.839326858520508,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.019384177401661873,"laplacian_energy_over_variance":0.03860129415988922,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.025208011269569397,"scale_diff2_mid":0.1085502877831459,"scale_diff2_far":0.4087032675743103,"scale_diff2_near_over_variance":0.026406778022646904,"scale_diff2_mid_over_variance":0.11371239274740219,"scale_diff2_far_over_variance":0.4281391501426697,"value_histogram":[[[0.546875,0.546875,0.546875],[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],[0.000396728515625,0.000396728515625,0.000396728515625],[0.0008392333984375,0.0008392333984375,0.0008392333984375],[0.0010833740234375,0.0010833740234375,0.0010833740234375],[0.001190185546875,0.001190185546875,0.001190185546875],[0.0024871826171875,0.0024871826171875,0.0024871826171875],[0.003021240234375,0.003021240234375,0.003021240234375],[0.0058441162109375,0.0058441162109375,0.0058441162109375],[0.003692626953125,0.003692626953125,0.003692626953125],[0.004058837890625,0.004058837890625,0.004058837890625],[0.00390625,0.00390625,0.00390625],[0.005859375,0.005859375,0.005859375],[0.005340576171875,0.005340576171875,0.005340576171875],[0.0045013427734375,0.0045013427734375,0.0045013427734375],[0.0060882568359375,0.0060882568359375,0.0060882568359375],[0.0053558349609375,0.0053558349609375,0.0053558349609375],[0.3994598388671875,0.3994598388671875,0.3994598388671875]]],"scale_curve":[[[0.015625,0.025208011269569397,0.026406778022646904],[0.0625,0.1085502877831459,0.11371239274740219],[0.25,0.4087032675743103,0.4281391501426697]]]},"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\",\"60\",\"0\",\"26\"]"}