{"collection":"grad-noise-175k","coord":"t19_x25_u2_b34","data":{"index":158098,"ordinal":"155301880","topo":"o2(x,o2(o1(x),x))","expression":"div(R,sub(frc(R),D))","image":"frame_expr-158098.png","measured":true,"step":144791,"globalStep":144791,"value_mean":0.10375866293907166,"value_positive_fraction":0.5408782958984375,"value_abs_mean":0.7408161163330078,"value_variance":0.6453612446784973,"value_stddev":0.8033437728881836,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":3.8617889881134033,"gradient_energy_x":0.30371561646461487,"gradient_energy_y":0.017834866419434547,"gradient_magnitude_mean":0.2657721936702728,"gradient_axis_bias":0.8890694975852966,"gradient_nonzero_flag":1,"laplacian_mean":0.00043009212822653353,"laplacian_energy":0.7360263466835022,"laplacian_abs_mean":0.3954547643661499,"gradient_magnitude_variance":0.2508782744407654,"gradient_magnitude_stddev":0.5008774995803833,"gradient_magnitude_cv":1.8846122026443481,"gradient_magnitude_max":2.8284270763397217,"gradient_energy_over_variance":0.4982488453388214,"laplacian_energy_over_variance":1.1404874324798584,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.2877906262874603,"scale_diff2_mid":0.8546181917190552,"scale_diff2_far":1.2222280502319336,"scale_diff2_near_over_variance":0.44593727588653564,"scale_diff2_mid_over_variance":1.3242478370666504,"scale_diff2_far_over_variance":1.8938665390014648,"value_histogram":[[[0.21759033203125,0.21759033203125,0.21759033203125],[0.010498046875,0.010498046875,0.010498046875],[0.0114898681640625,0.0114898681640625,0.0114898681640625],[0.0126190185546875,0.0126190185546875,0.0126190185546875],[0.01287841796875,0.01287841796875,0.01287841796875],[0.01397705078125,0.01397705078125,0.01397705078125],[0.014251708984375,0.014251708984375,0.014251708984375],[0.01513671875,0.01513671875,0.01513671875],[0.0176849365234375,0.0176849365234375,0.0176849365234375],[0.0179443359375,0.0179443359375,0.0179443359375],[0.018463134765625,0.018463134765625,0.018463134765625],[0.0193023681640625,0.0193023681640625,0.0193023681640625],[0.0197296142578125,0.0197296142578125,0.0197296142578125],[0.02056884765625,0.02056884765625,0.02056884765625],[0.02032470703125,0.02032470703125,0.02032470703125],[0.0166015625,0.0166015625,0.0166015625],[0.0156402587890625,0.0156402587890625,0.0156402587890625],[0.0142974853515625,0.0142974853515625,0.0142974853515625],[0.0134735107421875,0.0134735107421875,0.0134735107421875],[0.0144500732421875,0.0144500732421875,0.0144500732421875],[0.0132598876953125,0.0132598876953125,0.0132598876953125],[0.0128936767578125,0.0128936767578125,0.0128936767578125],[0.0128021240234375,0.0128021240234375,0.0128021240234375],[0.014678955078125,0.014678955078125,0.014678955078125],[0.014251708984375,0.014251708984375,0.014251708984375],[0.0150604248046875,0.0150604248046875,0.0150604248046875],[0.016448974609375,0.016448974609375,0.016448974609375],[0.0174102783203125,0.0174102783203125,0.0174102783203125],[0.0215911865234375,0.0215911865234375,0.0215911865234375],[0.022918701171875,0.022918701171875,0.022918701171875],[0.0221405029296875,0.0221405029296875,0.0221405029296875],[0.29962158203125,0.29962158203125,0.29962158203125]]],"scale_curve":[[[0.015625,0.2877906262874603,0.44593727588653564],[0.0625,0.8546181917190552,1.3242478370666504],[0.25,1.2222280502319336,1.8938665390014648]]]},"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":"[\"19\",\"25\",\"2\",\"34\"]"}