{"collection":"grad-noise-175k","coord":"t20_x50_u0_b145","data":{"index":169711,"ordinal":"164432215","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,mlt(mlt(R,D),R))","image":"frame_expr-169711.png","measured":true,"step":66095,"globalStep":66095,"value_mean":0.0005061158444732428,"value_positive_fraction":0.5035400390625,"value_abs_mean":0.0756785124540329,"value_variance":0.0085886400192976,"value_stddev":0.09267491102218628,"value_min":-0.2642959654331207,"value_max":0.25614121556282043,"value_range":0.5204371809959412,"histogram_probability_sum":1,"histogram_entropy_bits":2.6369688510894775,"gradient_energy_x":0.000896722893230617,"gradient_energy_y":0.00006439002027036622,"gradient_magnitude_mean":0.027198057621717453,"gradient_axis_bias":0.8660094141960144,"gradient_nonzero_flag":1,"laplacian_mean":-0.000011607835403992794,"laplacian_energy":0.00013606672291643918,"laplacian_abs_mean":0.010134637355804443,"gradient_magnitude_variance":0.00022136920597404242,"gradient_magnitude_stddev":0.01487848162651062,"gradient_magnitude_cv":0.5470420718193054,"gradient_magnitude_max":0.0622233971953392,"gradient_energy_over_variance":0.11190513521432877,"laplacian_energy_over_variance":0.015842638909816742,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0018232072470709682,"scale_diff2_mid":0.014591341838240623,"scale_diff2_far":0.008359613828361034,"scale_diff2_near_over_variance":0.2122812569141388,"scale_diff2_mid_over_variance":1.6989117860794067,"scale_diff2_far_over_variance":0.9733338356018066,"value_histogram":[[[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],[0.00054931640625,0.00054931640625,0.00054931640625],[0.01617431640625,0.01617431640625,0.01617431640625],[0.0827484130859375,0.0827484130859375,0.0827484130859375],[0.165771484375,0.165771484375,0.165771484375],[0.2307281494140625,0.2307281494140625,0.2307281494140625],[0.2317352294921875,0.2317352294921875,0.2317352294921875],[0.1715240478515625,0.1715240478515625,0.1715240478515625],[0.0864715576171875,0.0864715576171875,0.0864715576171875],[0.0141448974609375,0.0141448974609375,0.0141448974609375],[0.000152587890625,0.000152587890625,0.000152587890625],[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":[[[0.015625,0.0018232072470709682,0.2122812569141388],[0.0625,0.014591341838240623,1.6989117860794067],[0.25,0.008359613828361034,0.9733338356018066]]]},"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\",\"50\",\"0\",\"145\"]"}