{"collection":"grad-noise-175k","coord":"t20_x22_u0_b166","data":{"index":164104,"ordinal":"163301008","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(P,pow(sub(R,D),D))","image":"frame_expr-164104.png","measured":true,"step":21239,"globalStep":21239,"value_mean":-0.9501244425773621,"value_positive_fraction":0.0267791748046875,"value_abs_mean":0.9927244782447815,"value_variance":0.08815392851829529,"value_stddev":0.2969072759151459,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":0.2875024080276489,"gradient_energy_x":0.02880505844950676,"gradient_energy_y":0.008023198693990707,"gradient_magnitude_mean":0.020780518651008606,"gradient_axis_bias":0.5642911195755005,"gradient_nonzero_flag":1,"laplacian_mean":-4.473314447750454e-7,"laplacian_energy":0.08061869442462921,"laplacian_abs_mean":0.04034111648797989,"gradient_magnitude_variance":0.03641848638653755,"gradient_magnitude_stddev":0.19083628058433533,"gradient_magnitude_cv":9.183422088623047,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.4177721440792084,"laplacian_energy_over_variance":0.9145218729972839,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.03539617732167244,"scale_diff2_mid":0.1166241392493248,"scale_diff2_far":0.20414522290229797,"scale_diff2_near_over_variance":0.40152692794799805,"scale_diff2_mid_over_variance":1.3229601383209229,"scale_diff2_far_over_variance":2.315781354904175,"value_histogram":[[[0.968048095703125,0.968048095703125,0.968048095703125],[0.00091552734375,0.00091552734375,0.00091552734375],[0.0008697509765625,0.0008697509765625,0.0008697509765625],[0.000579833984375,0.000579833984375,0.000579833984375],[0.0005340576171875,0.0005340576171875,0.0005340576171875],[0.0003509521484375,0.0003509521484375,0.0003509521484375],[0.0003509521484375,0.0003509521484375,0.0003509521484375],[0.0002593994140625,0.0002593994140625,0.0002593994140625],[0.00030517578125,0.00030517578125,0.00030517578125],[0.000274658203125,0.000274658203125,0.000274658203125],[0.0001983642578125,0.0001983642578125,0.0001983642578125],[0.0001983642578125,0.0001983642578125,0.0001983642578125],[0.0001373291015625,0.0001373291015625,0.0001373291015625],[0,0,0],[0.0000762939453125,0.0000762939453125,0.0000762939453125],[0.0001220703125,0.0001220703125,0.0001220703125],[0.001678466796875,0.001678466796875,0.001678466796875],[0.0011749267578125,0.0011749267578125,0.0011749267578125],[0.001190185546875,0.001190185546875,0.001190185546875],[0.00103759765625,0.00103759765625,0.00103759765625],[0.0002899169921875,0.0002899169921875,0.0002899169921875],[0.00030517578125,0.00030517578125,0.00030517578125],[0.0002288818359375,0.0002288818359375,0.0002288818359375],[0.0003204345703125,0.0003204345703125,0.0003204345703125],[0.0001373291015625,0.0001373291015625,0.0001373291015625],[0.000152587890625,0.000152587890625,0.000152587890625],[0.0001068115234375,0.0001068115234375,0.0001068115234375],[0.0001068115234375,0.0001068115234375,0.0001068115234375],[0.0001220703125,0.0001220703125,0.0001220703125],[0.0001373291015625,0.0001373291015625,0.0001373291015625],[0.0000762939453125,0.0000762939453125,0.0000762939453125],[0.01971435546875,0.01971435546875,0.01971435546875]]],"scale_curve":[[[0.015625,0.03539617732167244,0.40152692794799805],[0.0625,0.1166241392493248,1.3229601383209229],[0.25,0.20414522290229797,2.315781354904175]]]},"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\",\"22\",\"0\",\"166\"]"}