{
  "model_type": "pubguard",
  "architecture": "multi_head_linear",
  "embedding_backbone": "minishlab/potion-base-32M",
  "embedding_dim": 512,
  "structural_features": 14,
  "heads": {
    "doc_type": {
      "classes": [
        "scientific_paper",
        "poster",
        "abstract_only",
        "junk"
      ],
      "num_classes": 4,
      "input_dim": 526,
      "accuracy": 0.997,
      "head_file": "models/head_doc_type.npz"
    },
    "ai_detect": {
      "classes": [
        "human",
        "ai_generated"
      ],
      "num_classes": 2,
      "input_dim": 512,
      "accuracy": 0.834,
      "head_file": "models/head_ai_detect.npz"
    },
    "toxicity": {
      "classes": [
        "clean",
        "toxic"
      ],
      "num_classes": 2,
      "input_dim": 512,
      "accuracy": 0.847,
      "head_file": "models/head_toxicity.npz"
    }
  },
  "classifier": "LogisticRegression",
  "library_name": "model2vec"
}