{"collection":"grad-noise-175k","coord":"t20_x36_u0_b129","data":{"index":166881,"ordinal":"163866585","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,add(min(D,P),P))","image":"frame_expr-166881.png","measured":true,"step":43455,"globalStep":43455,"value_mean":0.02120102196931839,"value_positive_fraction":0.5234375,"value_abs_mean":0.9448155164718628,"value_variance":0.9342045783996582,"value_stddev":0.9665426015853882,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.592133641242981,"gradient_energy_x":0.001278432784602046,"gradient_energy_y":0,"gradient_magnitude_mean":0.008956460282206535,"gradient_axis_bias":1,"gradient_nonzero_flag":1,"laplacian_mean":-1.1828665824609175e-9,"laplacian_energy":0.00022739947598893195,"laplacian_abs_mean":0.003653436666354537,"gradient_magnitude_variance":0.0011986576719209552,"gradient_magnitude_stddev":0.03462163358926773,"gradient_magnitude_cv":3.865548849105835,"gradient_magnitude_max":0.2524091601371765,"gradient_energy_over_variance":0.0013684718869626522,"laplacian_energy_over_variance":0.00024341506650671363,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.0032403988298028708,"scale_diff2_mid":0.03174262121319771,"scale_diff2_far":0.24888761341571808,"scale_diff2_near_over_variance":0.003468618029728532,"scale_diff2_mid_over_variance":0.03397823125123978,"scale_diff2_far_over_variance":0.26641660928726196,"value_histogram":[[[0.44921875,0.44921875,0.44921875],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.00390625,0.00390625,0.00390625],[0.015625,0.015625,0.015625],[0.015625,0.015625,0.015625],[0.00390625,0.00390625,0.00390625],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0,0,0],[0,0,0],[0.00390625,0.00390625,0.00390625],[0,0,0],[0.47265625,0.47265625,0.47265625]]],"scale_curve":[[[0.015625,0.0032403988298028708,0.003468618029728532],[0.0625,0.03174262121319771,0.03397823125123978],[0.25,0.24888761341571808,0.26641660928726196]]]},"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\",\"36\",\"0\",\"129\"]"}