{
  "definitions": {
    "face_opening_mm": "Mean signed normal distance between affine images of the same reference face; only opposing nonzero native digits for that cut are included. Null means no eligible pairs.",
    "interior_volume_change_percent": "Signed tetrahedral volume change of the fixed reference base below 15 mm; not the volume of a separated piece.",
    "centroid_x_from_start_mm": "Equal-mass native particle centroids of fixed reference regions, ordered left to right; displacement from reference positions.",
    "centroid_x_from_probe_mm": "Same centroids relative to the exact saved motion-start frame; null before it. Continuous push: final-cut end (tofu 3.30 s, banana 5.30 s); legacy knife-push/no-push: 4.00 s; impulse: probe_time_s.",
    "knife_on_material_x_n": "Negative of recorded material reaction on the knife in world x at the preceding completed substep; negative means the knife pushes material left. Excludes drive and board.",
    "knife_on_material_n": "World xyz force of the knife on the material, N; negative of the saved material reaction on the knife at the preceding completed substep. Zero at the initial state. Excludes drive and board.",
    "dynamic_viscosity_pa_s": "Newtonian dynamic viscosity from the saved material configuration, Pa s; missing historical configuration fields mean the elastic value zero.",
    "motion_start_time_s": null,
    "knife_material_force_n": "Norm of recorded material reaction on the knife at the preceding completed substep; excludes guide, drive and board forces.",
    "reference_volume_m3": 2.2578125000000015e-05,
    "tetrahedra": 8670,
    "cut_planes_m_in_execution_order": [
      0.0,
      -8.848156182660645e-38
    ],
    "cut_plane_source": "Median recorded blade position while cutting; uncut controls use the densest recorded position cluster. Axis-aligned paths that sweep laterally by more than half a material spacing are rejected.",
    "cut_normal_axes": [
      0,
      1
    ],
    "comparison_scope": "Native DexLab measurements; original authors sampling and full configuration are unavailable, so these are not same-condition cross-method scores.",
    "blade_depth_mm": "Positive downward distance of the recorded knife edge below the original material top; zero after withdrawal. Not prescribed groove depth.",
    "native_components": "Number of components in the native reference transfer graph, including unassigned bridges.",
    "base_intact": "One native component and no assigned cut digits in the fixed lower 15 mm of reference material; an empty gap metric does not establish intactness."
  },
  "frames": [
    {
      "state_frame": 0,
      "trace_frame": 0,
      "time_s": 0.0,
      "phase": "Initial",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": 0.0,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": 0.0,
      "knife_on_material_n": [
        0.0,
        0.0,
        0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 5,
      "trace_frame": 199,
      "time_s": 0.05,
      "phase": "Knife clear",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -0.8369042033164353,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 10,
      "trace_frame": 399,
      "time_s": 0.1,
      "phase": "Knife clear",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -0.9896762189103514,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 15,
      "trace_frame": 599,
      "time_s": 0.15,
      "phase": "Knife clear",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -1.153549629866668,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 20,
      "trace_frame": 799,
      "time_s": 0.2,
      "phase": "Knife clear",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -1.5034867757719672,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 25,
      "trace_frame": 999,
      "time_s": 0.25,
      "phase": "Knife clear",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -1.6740684100266967,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 30,
      "trace_frame": 1199,
      "time_s": 0.3,
      "phase": "Knife clear",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -1.871351150402878,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 35,
      "trace_frame": 1399,
      "time_s": 0.35000000000000003,
      "phase": "Knife clear",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -2.033708960248004,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 40,
      "trace_frame": 1599,
      "time_s": 0.4,
      "phase": "Cut 1",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -2.1218980172663215,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 45,
      "trace_frame": 1799,
      "time_s": 0.45,
      "phase": "Cut 1",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -2.1839698723461254,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 50,
      "trace_frame": 1999,
      "time_s": 0.5,
      "phase": "Cut 1",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -2.197516505600061,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 55,
      "trace_frame": 2199,
      "time_s": 0.55,
      "phase": "Cut 1",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -2.1751374676298507,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 60,
      "trace_frame": 2399,
      "time_s": 0.6,
      "phase": "Cut 1",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
        0,
        0
      ],
      "interior_volume_change_percent": -2.131609899910669,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 65,
      "trace_frame": 2599,
      "time_s": 0.65,
      "phase": "Cut 1",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
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      "interior_volume_change_percent": -2.06975901608224,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
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        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 70,
      "trace_frame": 2799,
      "time_s": 0.7000000000000001,
      "phase": "Cut 1",
      "face_opening_mm": [
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      ],
      "paired_faces": [
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        0
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      "interior_volume_change_percent": -2.000782025345893,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
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        -0.0,
        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 75,
      "trace_frame": 2999,
      "time_s": 0.75,
      "phase": "Cut 1",
      "face_opening_mm": [
        null,
        null
      ],
      "paired_faces": [
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        0
      ],
      "interior_volume_change_percent": -1.932020764791842,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
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      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 80,
      "trace_frame": 3199,
      "time_s": 0.8,
      "phase": "Cut 1",
      "face_opening_mm": [
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      ],
      "paired_faces": [
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      "interior_volume_change_percent": -1.8685365417636657,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
        -0.0,
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        -0.0
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.0
    },
    {
      "state_frame": 85,
      "trace_frame": 3399,
      "time_s": 0.85,
      "phase": "Cut 1",
      "face_opening_mm": [
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      ],
      "paired_faces": [
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      "interior_volume_change_percent": -1.8151916088376852,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
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      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 0.29538475112598706
    },
    {
      "state_frame": 90,
      "trace_frame": 3599,
      "time_s": 0.9,
      "phase": "Cut 1",
      "face_opening_mm": [
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      "paired_faces": [
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      "interior_volume_change_percent": -1.7741687532747408,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -0.0,
      "knife_on_material_n": [
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      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 1.6800000202408552
    },
    {
      "state_frame": 95,
      "trace_frame": 3799,
      "time_s": 0.9500000000000001,
      "phase": "Cut 1",
      "face_opening_mm": [
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      ],
      "paired_faces": [
        18,
        0
      ],
      "interior_volume_change_percent": -1.7505204312521228,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": 2.5652525156494494e-16,
      "knife_on_material_n": [
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        -9.905901425628783e-18,
        -0.00010239632099165826
      ],
      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.00010239632099165826,
      "native_components": 1,
      "base_intact": true,
      "blade_depth_mm": 3.0645968541769784
    },
    {
      "state_frame": 100,
      "trace_frame": 3999,
      "time_s": 1.0,
      "phase": "Cut 1",
      "face_opening_mm": [
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      "paired_faces": [
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      "interior_volume_change_percent": -1.7363475240175674,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -1.3970220278183582e-15,
      "knife_on_material_n": [
        -1.3970220278183582e-15,
        1.0360395813196044e-16,
        -0.0029313321230876343
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      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0029313321230876343,
      "native_components": 1,
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      "blade_depth_mm": 4.44747455562192
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    {
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      "trace_frame": 4199,
      "time_s": 1.05,
      "phase": "Cut 1",
      "face_opening_mm": [
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      "paired_faces": [
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      "interior_volume_change_percent": -1.740089008982848,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": 1.7692400685774198e-16,
      "knife_on_material_n": [
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        5.613082200662335e-17,
        -0.005697469749598251
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      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.005697469749598251,
      "native_components": 1,
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      "blade_depth_mm": 5.502212529371098
    },
    {
      "state_frame": 110,
      "trace_frame": 4399,
      "time_s": 1.1,
      "phase": "Cut 1",
      "face_opening_mm": [
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      "paired_faces": [
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      "interior_volume_change_percent": -1.7429508230398127,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
      "centroid_x_from_probe_mm": null,
      "motion_protocol": null,
      "knife_on_material_x_n": -4.571860332805086e-16,
      "knife_on_material_n": [
        -4.571860332805086e-16,
        7.263555676889391e-17,
        -0.0067112291100784385
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      "dynamic_viscosity_pa_s": 0.0,
      "knife_material_force_n": 0.0067112291100784385,
      "native_components": 1,
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      "blade_depth_mm": 5.863030730969731
    },
    {
      "state_frame": 115,
      "trace_frame": 4599,
      "time_s": 1.1500000000000001,
      "phase": "Cut 1",
      "face_opening_mm": [
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      "interior_volume_change_percent": -1.769730229234956,
      "inverted_tetrahedra": 0,
      "centroid_x_from_start_mm": [],
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