{"collection":"grad-noise-175k","coord":"t18_x55_u0_b45","data":{"index":131466,"ordinal":"148392918","topo":"o2(x,o2(x,o2(x,x)))","expression":"add(R,pow(P,sub(P,D)))","image":"frame_expr-131466.png","measured":true,"step":80135,"globalStep":80135,"value_mean":-0.12616121768951416,"value_positive_fraction":0.4375,"value_abs_mean":0.9988387823104858,"value_variance":0.9819926619529724,"value_stddev":0.9909554123878479,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.0295244455337524,"gradient_energy_x":0.01441632118076086,"gradient_energy_y":0.000014168241250445135,"gradient_magnitude_mean":0.00800739973783493,"gradient_axis_bias":0.99803626537323,"gradient_nonzero_flag":1,"laplacian_mean":-0.000004785775217897026,"laplacian_energy":0.02856254205107689,"laplacian_abs_mean":0.015379984863102436,"gradient_magnitude_variance":0.014363551512360573,"gradient_magnitude_stddev":0.11984803527593613,"gradient_magnitude_cv":14.967161178588867,"gradient_magnitude_max":2,"gradient_energy_over_variance":0.01469510793685913,"laplacian_energy_over_variance":0.02908630669116974,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.019189702346920967,"scale_diff2_mid":0.08199373632669449,"scale_diff2_far":0.33470410108566284,"scale_diff2_near_over_variance":0.01954159326851368,"scale_diff2_mid_over_variance":0.0834972932934761,"scale_diff2_far_over_variance":0.34084174036979675,"value_histogram":[[[0.5625,0.5625,0.5625],[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],[0,0,0],[0.000030517578125,0.000030517578125,0.000030517578125],[0.0000457763671875,0.0000457763671875,0.0000457763671875],[0.000030517578125,0.000030517578125,0.000030517578125],[0.000030517578125,0.000030517578125,0.000030517578125],[0.0001373291015625,0.0001373291015625,0.0001373291015625],[0.0002288818359375,0.0002288818359375,0.0002288818359375],[0.00018310546875,0.00018310546875,0.00018310546875],[0.000274658203125,0.000274658203125,0.000274658203125],[0.0004119873046875,0.0004119873046875,0.0004119873046875],[0.0003204345703125,0.0003204345703125,0.0003204345703125],[0.0004119873046875,0.0004119873046875,0.0004119873046875],[0.0001983642578125,0.0001983642578125,0.0001983642578125],[0.0005645751953125,0.0005645751953125,0.0005645751953125],[0.0005950927734375,0.0005950927734375,0.0005950927734375],[0.4340362548828125,0.4340362548828125,0.4340362548828125]]],"scale_curve":[[[0.015625,0.019189702346920967,0.01954159326851368],[0.0625,0.08199373632669449,0.0834972932934761],[0.25,0.33470410108566284,0.34084174036979675]]]},"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":"[\"18\",\"55\",\"0\",\"45\"]"}