{"collection":"grad-noise-175k","coord":"t20_x45_u0_b141","data":{"index":168702,"ordinal":"164230206","topo":"o2(x,o2(o2(x,x),x))","expression":"sub(D,sub(dot(R,P),P))","image":"frame_expr-168702.png","measured":true,"step":58023,"globalStep":58023,"value_mean":0.025051722303032875,"value_positive_fraction":0.511444091796875,"value_abs_mean":0.8981374502182007,"value_variance":0.865759015083313,"value_stddev":0.9304617047309875,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":2.3747992515563965,"gradient_energy_x":0.012072797864675522,"gradient_energy_y":0.01572878286242485,"gradient_magnitude_mean":0.056516412645578384,"gradient_axis_bias":-0.13150277733802795,"gradient_nonzero_flag":1,"laplacian_mean":0.00003793491123360582,"laplacian_energy":0.0205546785145998,"laplacian_abs_mean":0.03924800828099251,"gradient_magnitude_variance":0.024595798924565315,"gradient_magnitude_stddev":0.15683047473430634,"gradient_magnitude_cv":2.7749545574188232,"gradient_magnitude_max":1.6995826959609985,"gradient_energy_over_variance":0.032112378627061844,"laplacian_energy_over_variance":0.02374180220067501,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.03899656981229782,"scale_diff2_mid":0.3109332025051117,"scale_diff2_far":0.7292515635490417,"scale_diff2_near_over_variance":0.0450432188808918,"scale_diff2_mid_over_variance":0.35914522409439087,"scale_diff2_far_over_variance":0.842326283454895,"value_histogram":[[[0.398101806640625,0.398101806640625,0.398101806640625],[0.004486083984375,0.004486083984375,0.004486083984375],[0.00421142578125,0.00421142578125,0.00421142578125],[0.0044097900390625,0.0044097900390625,0.0044097900390625],[0.00537109375,0.00537109375,0.00537109375],[0.0047760009765625,0.0047760009765625,0.0047760009765625],[0.00518798828125,0.00518798828125,0.00518798828125],[0.005584716796875,0.005584716796875,0.005584716796875],[0.006683349609375,0.006683349609375,0.006683349609375],[0.0081329345703125,0.0081329345703125,0.0081329345703125],[0.00799560546875,0.00799560546875,0.00799560546875],[0.006683349609375,0.006683349609375,0.006683349609375],[0.0069580078125,0.0069580078125,0.0069580078125],[0.006683349609375,0.006683349609375,0.006683349609375],[0.006591796875,0.006591796875,0.006591796875],[0.0066986083984375,0.0066986083984375,0.0066986083984375],[0.006866455078125,0.006866455078125,0.006866455078125],[0.0070037841796875,0.0070037841796875,0.0070037841796875],[0.0069580078125,0.0069580078125,0.0069580078125],[0.0070648193359375,0.0070648193359375,0.0070648193359375],[0.0063323974609375,0.0063323974609375,0.0063323974609375],[0.0055084228515625,0.0055084228515625,0.0055084228515625],[0.0057220458984375,0.0057220458984375,0.0057220458984375],[0.0057525634765625,0.0057525634765625,0.0057525634765625],[0.0056915283203125,0.0056915283203125,0.0056915283203125],[0.0052337646484375,0.0052337646484375,0.0052337646484375],[0.005340576171875,0.005340576171875,0.005340576171875],[0.00555419921875,0.00555419921875,0.00555419921875],[0.005279541015625,0.005279541015625,0.005279541015625],[0.005096435546875,0.005096435546875,0.005096435546875],[0.0054168701171875,0.0054168701171875,0.0054168701171875],[0.4226226806640625,0.4226226806640625,0.4226226806640625]]],"scale_curve":[[[0.015625,0.03899656981229782,0.0450432188808918],[0.0625,0.3109332025051117,0.35914522409439087],[0.25,0.7292515635490417,0.842326283454895]]]},"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\",\"45\",\"0\",\"141\"]"}