{"collection":"grad-noise-175k","coord":"t16_x17_u4_b20","data":{"index":89531,"ordinal":"130617257","topo":"o2(x,o1(o2(x,x)))","expression":"sub(D,cil(dot(R,R)))","image":"frame_expr-089531.png","measured":true,"step":33055,"globalStep":33055,"value_mean":-0.9893605709075928,"value_positive_fraction":0,"value_abs_mean":0.9893605709075928,"value_variance":0.0009660354116931558,"value_stddev":0.03108111023902893,"value_min":-1,"value_max":-0.8545840382575989,"value_range":0.14541596174240112,"histogram_probability_sum":1,"histogram_entropy_bits":0.5135706663131714,"gradient_energy_x":0.00020166614558547735,"gradient_energy_y":0.00003914079934475012,"gradient_magnitude_mean":0.005567479413002729,"gradient_axis_bias":0.6749196648597717,"gradient_nonzero_flag":1,"laplacian_mean":-0.000022925443772692233,"laplacian_energy":0.00020304217468947172,"laplacian_abs_mean":0.00544482609257102,"gradient_magnitude_variance":0.0002099524426739663,"gradient_magnitude_stddev":0.01448973547667265,"gradient_magnitude_cv":2.6025664806365967,"gradient_magnitude_max":0.08395420759916306,"gradient_energy_over_variance":0.2492734044790268,"laplacian_energy_over_variance":0.2101808786392212,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.00037722886190749705,"scale_diff2_mid":0.0014067484298720956,"scale_diff2_far":0.0014363178052008152,"scale_diff2_near_over_variance":0.3904917240142822,"scale_diff2_mid_over_variance":1.4562078714370728,"scale_diff2_far_over_variance":1.4868168830871582,"value_histogram":[[[0.9101715087890625,0.9101715087890625,0.9101715087890625],[0.064056396484375,0.064056396484375,0.064056396484375],[0.0257720947265625,0.0257720947265625,0.0257720947265625],[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],[0,0,0],[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]]],"scale_curve":[[[0.015625,0.00037722886190749705,0.3904917240142822],[0.0625,0.0014067484298720956,1.4562078714370728],[0.25,0.0014363178052008152,1.4868168830871582]]]},"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":"[\"16\",\"17\",\"4\",\"20\"]"}