{"collection":"grad-noise-175k","coord":"t7_x8_u0_b1","data":{"index":5540,"ordinal":"57167416","topo":"o2(o1(x),x)","expression":"sub(sqt(R),R)","image":"frame_expr-005540.png","measured":true,"step":44327,"globalStep":44327,"value_mean":-0.9501160383224487,"value_positive_fraction":0.04296875,"value_abs_mean":0.963946521282196,"value_variance":0.05554106831550598,"value_stddev":0.2356715202331543,"value_min":-1,"value_max":0.24926044046878815,"value_range":1.249260425567627,"histogram_probability_sum":1,"histogram_entropy_bits":0.33147722482681274,"gradient_energy_x":0.005766112823039293,"gradient_energy_y":0.005543615203350782,"gradient_magnitude_mean":0.009988892823457718,"gradient_axis_bias":0.019673118367791176,"gradient_nonzero_flag":1,"laplacian_mean":-0.000002847381438186858,"laplacian_energy":0.023642001673579216,"laplacian_abs_mean":0.019438453018665314,"gradient_magnitude_variance":0.01120842806994915,"gradient_magnitude_stddev":0.10586985945701599,"gradient_magnitude_cv":10.598758697509766,"gradient_magnitude_max":1.7574574947357178,"gradient_energy_over_variance":0.20362821221351624,"laplacian_energy_over_variance":0.42566704750061035,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0,"scale_diff2_mid":0,"scale_diff2_far":0.008562851697206497,"scale_diff2_near_over_variance":0,"scale_diff2_mid_over_variance":0,"scale_diff2_far_over_variance":0.15417154133319855,"value_histogram":[[[0.95703125,0.95703125,0.95703125],[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],[0.0022430419921875,0.0022430419921875,0.0022430419921875],[0.00958251953125,0.00958251953125,0.00958251953125],[0.01422119140625,0.01422119140625,0.01422119140625],[0.0169219970703125,0.0169219970703125,0.0169219970703125],[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":[[[0.015625,0,0],[0.0625,0,0],[0.25,0.008562851697206497,0.15417154133319855]]]},"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":"[\"7\",\"8\",\"0\",\"1\"]"}