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TopoBox-3D/protocol_D/train/PD_train_0398_b22/metadata.json

@@ -0,0 +1,147 @@
+{
+  "geometry_id": "PD_train_0398_b22",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 2,
+  "beta2": 2,
+  "geometry_family": "A",
+  "seed": 972362422,
+  "geometry": {
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+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
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+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
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+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0399_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PD_train_0399_b11",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
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+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1429440951,
+  "geometry": {
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+    "measured_min_clearance": 0.2062678267181131
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
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+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0400_b00/metadata.json

@@ -0,0 +1,79 @@
+{
+  "geometry_id": "PD_train_0400_b00",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 0,
+  "beta2": 0,
+  "geometry_family": "A",
+  "seed": 1986919871,
+  "geometry": {
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+    "cavities": [],
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0401_b12/metadata.json

@@ -0,0 +1,133 @@
+{
+  "geometry_id": "PD_train_0401_b12",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 2,
+  "geometry_family": "A",
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+  "geometry": {
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+      {
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+        "rotation_angle": 0.0
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+    "measured_min_clearance": 0.17260460715642223
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+  "box": [
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
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+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
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+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0402_b01/metadata.json

@@ -0,0 +1,99 @@
+{
+  "geometry_id": "PD_train_0402_b01",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 0,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 4569271,
+  "geometry": {
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+    "tunnels": [],
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+        "rotation_angle": 0.0
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+    "measured_min_clearance": 0.21713664441535663
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+  "box": [
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+    1.0
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+  "topology": {
+    "beta0": 1,
+    "beta1": 0,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 2,
+    "boundary_components": 2,
+    "n_vertices": 1924,
+    "n_edges": 11122,
+    "n_faces": 17361,
+    "n_tetrahedra": 8161,
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+    "mean": 0.8656138181686401,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0403_b20/metadata.json

@@ -0,0 +1,108 @@
+{
+  "geometry_id": "PD_train_0403_b20",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 2,
+  "beta2": 0,
+  "geometry_family": "A",
+  "seed": 852108521,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
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+          0.374929229366798,
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+        "radius": 0.12402863119868673
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+      {
+        "kind": "circular_cylinder",
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+          0.4694348147551854,
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+        "radius": 0.10255195142157307
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+    "cavities": [],
+    "measured_min_clearance": 0.11519231573202941
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+  "box": [
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+    1.0,
+    1.0
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+  "topology": {
+    "beta0": 1,
+    "beta1": 2,
+    "beta2": 0,
+    "beta3": 0,
+    "euler_characteristic": -1,
+    "boundary_components": 1,
+    "n_vertices": 2563,
+    "n_edges": 14603,
+    "n_faces": 22539,
+    "n_tetrahedra": 10500,
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+  "mesh_quality": {
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+    "p01": 0.6335891443490982,
+    "mean": 0.8536297678947449,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0404_b10/metadata.json

@@ -0,0 +1,94 @@
+{
+  "geometry_id": "PD_train_0404_b10",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
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+  "geometry_family": "A",
+  "seed": 890418338,
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+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
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+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0405_b02/metadata.json

@@ -0,0 +1,118 @@
+{
+  "geometry_id": "PD_train_0405_b02",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
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+  "beta1": 0,
+  "beta2": 2,
+  "geometry_family": "A",
+  "seed": 1940491292,
+  "geometry": {
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+        "rotation_angle": 0.0
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+        "rotation_axis": [
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+          1.0
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.2018295710010243
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+  "box": [
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+    1.0,
+    1.0
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+    "beta1": 0,
+    "beta2": 2,
+    "beta3": 0,
+    "euler_characteristic": 3,
+    "boundary_components": 3,
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+    "n_edges": 12987,
+    "n_faces": 20438,
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+    "mean": 0.8671877980232239,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0406_b21/metadata.json

@@ -0,0 +1,128 @@
+{
+  "geometry_id": "PD_train_0406_b21",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
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+  "beta1": 2,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1701761618,
+  "geometry": {
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+      {
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+          1.4319788937152707,
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+        "radius": 0.12476219936127034
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+      {
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+        "center": [
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+          0.7352383055880044
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+        "axes": [
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+    "measured_min_clearance": 0.11426011954479215
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+    "beta0": 1,
+    "beta1": 2,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 0,
+    "boundary_components": 2,
+    "n_vertices": 3063,
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+    "mean": 0.8596677780151367,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0407_b22/metadata.json

@@ -0,0 +1,147 @@
+{
+  "geometry_id": "PD_train_0407_b22",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
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+  "beta1": 2,
+  "beta2": 2,
+  "geometry_family": "A",
+  "seed": 82310787,
+  "geometry": {
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+          0.23724778227213775,
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+          0.16494090182315677,
+          0.16494090182315677
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
+      },
+      {
+        "kind": "sphere",
+        "center": [
+          0.2625371242530594,
+          0.34225553602194103,
+          0.7270880614981059
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+        "axes": [
+          0.13665958993163432,
+          0.13665958993163432,
+          0.13665958993163432
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.12309620468186512
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
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+  "topology": {
+    "beta0": 1,
+    "beta1": 2,
+    "beta2": 2,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 3,
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+    "n_edges": 18335,
+    "n_faces": 28609,
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+    "p01": 0.6342256188392639,
+    "mean": 0.8557662963867188,
+    "maximum": 0.9986422061920166
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0408_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PD_train_0408_b11",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1285766348,
+  "geometry": {
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+          0.4266771554967081,
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+    "cavities": [
+      {
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+          0.38759538434883034,
+          0.582708426609585
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.2589734705230312
+  },
+  "box": [
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+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2523,
+    "n_edges": 14775,
+    "n_faces": 23172,
+    "n_tetrahedra": 10919,
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+  "mesh_quality": {
+    "minimum": 0.5009663701057434,
+    "p01": 0.6555893886089325,
+    "mean": 0.8639143705368042,
+    "maximum": 0.9991490244865417
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0409_b00/metadata.json

@@ -0,0 +1,79 @@
+{
+  "geometry_id": "PD_train_0409_b00",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 0,
+  "beta2": 0,
+  "geometry_family": "A",
+  "seed": 612406310,
+  "geometry": {
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+    "cavities": [],
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+  "topology": {
+    "beta0": 1,
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+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 1,
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+    "n_faces": 13952,
+    "n_tetrahedra": 6503,
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+    "p01": 0.6758164846897126,
+    "mean": 0.8633638620376587,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0410_b12/metadata.json

@@ -0,0 +1,133 @@
+{
+  "geometry_id": "PD_train_0410_b12",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 2,
+  "geometry_family": "A",
+  "seed": 106497771,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
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+        "center": [
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+        "axes": [
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+    ],
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+    "beta3": 0,
+    "euler_characteristic": 2,
+    "boundary_components": 3,
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+    "n_faces": 24525,
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+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
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+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0411_b01/metadata.json

@@ -0,0 +1,99 @@
+{
+  "geometry_id": "PD_train_0411_b01",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
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+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1078620952,
+  "geometry": {
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+        "rotation_angle": 0.0
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+    "measured_min_clearance": 0.15398067739040017
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+  "box": [
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+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 2,
+    "boundary_components": 2,
+    "n_vertices": 1917,
+    "n_edges": 11057,
+    "n_faces": 17240,
+    "n_tetrahedra": 8098,
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+    "p01": 0.6713483309745789,
+    "mean": 0.8667593002319336,
+    "maximum": 0.9980815052986145
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0412_b20/metadata.json

@@ -0,0 +1,108 @@
+{
+  "geometry_id": "PD_train_0412_b20",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
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+  "beta1": 2,
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+  "geometry_family": "A",
+  "seed": 298865613,
+  "geometry": {
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+          0.2908530603424902,
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+        "radius": 0.10519335655628279
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+    "measured_min_clearance": 0.1339905756114006
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+  "box": [
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+    1.0,
+    1.0
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+    "beta1": 2,
+    "beta2": 0,
+    "beta3": 0,
+    "euler_characteristic": -1,
+    "boundary_components": 1,
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+    "n_edges": 15991,
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+    "mean": 0.8575543761253357,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0413_b10/metadata.json

@@ -0,0 +1,94 @@
+{
+  "geometry_id": "PD_train_0413_b10",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
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+  "beta2": 0,
+  "geometry_family": "A",
+  "seed": 752616833,
+  "geometry": {
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+    "cavities": [],
+    "measured_min_clearance": 0.24363807468852508
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+  "box": [
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+    1.0,
+    1.0
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+    "beta0": 1,
+    "beta1": 1,
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+    "beta3": 0,
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+    "n_edges": 12983,
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+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0414_b02/metadata.json

@@ -0,0 +1,118 @@
+{
+  "geometry_id": "PD_train_0414_b02",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
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+  "beta1": 0,
+  "beta2": 2,
+  "geometry_family": "A",
+  "seed": 1606855101,
+  "geometry": {
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+    "measured_min_clearance": 0.15262463854721567
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+    1.0,
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+    "beta0": 1,
+    "beta1": 0,
+    "beta2": 2,
+    "beta3": 0,
+    "euler_characteristic": 3,
+    "boundary_components": 3,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0415_b21/metadata.json

@@ -0,0 +1,128 @@
+{
+  "geometry_id": "PD_train_0415_b21",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
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+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 854690291,
+  "geometry": {
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+          0.7283351537950252,
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+      {
+        "kind": "sphere",
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+          0.4018637313160812
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+          0.14006846939555107,
+          0.14006846939555107,
+          0.14006846939555107
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.11698503597675705
+  },
+  "box": [
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+    1.0,
+    1.0
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+  "topology": {
+    "beta0": 1,
+    "beta1": 2,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 0,
+    "boundary_components": 2,
+    "n_vertices": 2903,
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+    "n_faces": 26120,
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+    "p01": 0.6434915602207184,
+    "mean": 0.8553650379180908,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0416_b22/metadata.json

@@ -0,0 +1,147 @@
+{
+  "geometry_id": "PD_train_0416_b22",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 2,
+  "beta2": 2,
+  "geometry_family": "A",
+  "seed": 732561050,
+  "geometry": {
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+    "tunnels": [
+      {
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+        "radius": 0.13034667550091902
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+  "box": [
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+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 3,
+    "n_vertices": 3140,
+    "n_edges": 18317,
+    "n_faces": 28599,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0417_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PD_train_0417_b11",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 565342670,
+  "geometry": {
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+        "rotation_angle": 0.0
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+    "measured_min_clearance": 0.21398226892718
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+  "box": [
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+    1.0
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+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
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+    "n_edges": 14468,
+    "n_faces": 22654,
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+    "p01": 0.6629836165904999,
+    "mean": 0.8635661602020264,
+    "maximum": 0.9983733892440796
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0418_b00/metadata.json

@@ -0,0 +1,79 @@
+{
+  "geometry_id": "PD_train_0418_b00",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 0,
+  "beta2": 0,
+  "geometry_family": "A",
+  "seed": 1750257310,
+  "geometry": {
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+    "measured_min_clearance": 1.0
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+    "euler_characteristic": 1,
+    "boundary_components": 1,
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+    "p01": 0.6758164846897126,
+    "mean": 0.8633638620376587,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0419_b12/metadata.json

@@ -0,0 +1,133 @@
+{
+  "geometry_id": "PD_train_0419_b12",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 2,
+  "geometry_family": "A",
+  "seed": 476459005,
+  "geometry": {
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+      {
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+          0.45841621250663034,
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+        "radius": 0.13279964251369902
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+    "cavities": [
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+        "center": [
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+        "axes": [
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+      {
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+          0.7174599496372414,
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+          0.16263270662402168,
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+        "rotation_axis": [
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+          1.0
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.11990734373873696
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
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+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 2,
+    "beta3": 0,
+    "euler_characteristic": 2,
+    "boundary_components": 3,
+    "n_vertices": 2738,
+    "n_edges": 16045,
+    "n_faces": 25153,
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+    "mean": 0.8613671064376831,
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+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0420_b01/metadata.json

@@ -0,0 +1,99 @@
+{
+  "geometry_id": "PD_train_0420_b01",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 0,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1088768472,
+  "geometry": {
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+    "tunnels": [],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
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+          0.4683842978802871,
+          0.28282009382642503
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+        "axes": [
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+          0.12605793286527697,
+          0.12605793286527697
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.15676216096114806
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
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+  "topology": {
+    "beta0": 1,
+    "beta1": 0,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 2,
+    "boundary_components": 2,
+    "n_vertices": 1916,
+    "n_edges": 11088,
+    "n_faces": 17325,
+    "n_tetrahedra": 8151,
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+    "p01": 0.6659650206565857,
+    "mean": 0.8647660613059998,
+    "maximum": 0.999798059463501
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
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+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0421_b20/metadata.json

@@ -0,0 +1,108 @@
+{
+  "geometry_id": "PD_train_0421_b20",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 2,
+  "beta2": 0,
+  "geometry_family": "A",
+  "seed": 1676660690,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
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+          0.39521490745147325,
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+          0.24232091167196187,
+          0.39521490745147325,
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+        "radius": 0.12406381109166095
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+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.6301241777858344,
+          0.4362165697623549,
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+          1.6301241777858344,
+          0.4362165697623549,
+          1.0
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+        "radius": 0.10904360780009202
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+    ],
+    "cavities": [],
+    "measured_min_clearance": 0.11825710058030092
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
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+  "topology": {
+    "beta0": 1,
+    "beta1": 2,
+    "beta2": 0,
+    "beta3": 0,
+    "euler_characteristic": -1,
+    "boundary_components": 1,
+    "n_vertices": 2754,
+    "n_edges": 15903,
+    "n_faces": 24723,
+    "n_tetrahedra": 11575,
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+  "mesh_quality": {
+    "minimum": 0.47639915347099304,
+    "p01": 0.6458163106441498,
+    "mean": 0.8566606044769287,
+    "maximum": 0.9975540041923523
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_D/train/PD_train_0422_b10/metadata.json

@@ -0,0 +1,94 @@
+{
+  "geometry_id": "PD_train_0422_b10",
+  "protocol": "D",
+  "protocol_name": "mix_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 0,
+  "geometry_family": "A",
+  "seed": 1479738804,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
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+          0.332544217453153,
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+        "end": [
+          0.8009207243859496,
+          0.332544217453153,
+          1.0
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+        "radius": 0.11439463194967231
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+    ],
+    "cavities": [],
+    "measured_min_clearance": 0.21814958550348068
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
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+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 0,
+    "beta3": 0,
+    "euler_characteristic": 0,
+    "boundary_components": 1,
+    "n_vertices": 2316,
+    "n_edges": 13349,
+    "n_faces": 20779,
+    "n_tetrahedra": 9746,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4672037363052368,
+    "p01": 0.6627088993787765,
+    "mean": 0.8613453507423401,
+    "maximum": 0.9988695383071899
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}