{"collection":"grad-noise-175k","coord":"t20_x9_u0_b181","data":{"index":161506,"ordinal":"162775810","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(P,mod(mod(D,P),P))","image":"frame_expr-161506.png","measured":true,"step":455,"globalStep":455,"value_mean":-0.125,"value_positive_fraction":0.4375,"value_abs_mean":0.9977981448173523,"value_variance":0.9801515340805054,"value_stddev":0.9900259971618652,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":1.148755431175232,"gradient_energy_x":0.01545776054263115,"gradient_energy_y":0,"gradient_magnitude_mean":0.009228273294866085,"gradient_axis_bias":0.9999999403953552,"gradient_nonzero_flag":1,"laplacian_mean":0,"laplacian_energy":0.0316300094127655,"laplacian_abs_mean":0.0175030380487442,"gradient_magnitude_variance":0.015364255756139755,"gradient_magnitude_stddev":0.12395263463258743,"gradient_magnitude_cv":13.43183422088623,"gradient_magnitude_max":1.9693320989608765,"gradient_energy_over_variance":0.015770787373185158,"laplacian_energy_over_variance":0.032270532101392746,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.02002815715968609,"scale_diff2_mid":0.08147359639406204,"scale_diff2_far":0.33410272002220154,"scale_diff2_near_over_variance":0.020433736965060234,"scale_diff2_mid_over_variance":0.08312347531318665,"scale_diff2_far_over_variance":0.34086844325065613,"value_histogram":[[[0.55078125,0.55078125,0.55078125],[0.01171875,0.01171875,0.01171875],[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],[0.01171875,0.01171875,0.01171875],[0.42578125,0.42578125,0.42578125]]],"scale_curve":[[[0.015625,0.02002815715968609,0.020433736965060234],[0.0625,0.08147359639406204,0.08312347531318665],[0.25,0.33410272002220154,0.34086844325065613]]]},"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\",\"9\",\"0\",\"181\"]"}