{
  "schema": "aiflow-math-ink-06-public-checkpoint-index-v1",
  "model_version": "AIFlow Math Ink 0.6 research",
  "input_contract": {
    "ink_space": [128, 128],
    "maximum_events": 128,
    "canonical_sample_hz": 6.0,
    "sequence_channels": 19,
    "source_modalities": ["online", "raster"]
  },
  "output_contract": {
    "exact_labels": 378,
    "visual_families": 324,
    "virtual_stroke_hypotheses": 4,
    "behavior_roles": [
      "identifier_lower",
      "identifier_upper",
      "multiply_operator"
    ]
  },
  "seeds": {
    "17": {
      "base": "models/seed17/base_378.pt",
      "online_adapter": "models/seed17/online_adapter.pt",
      "behavior_role_head": "models/seed17/behavior_role_head.pt"
    },
    "31": {
      "base": "models/seed31/base_378.pt",
      "online_adapter": "models/seed31/online_adapter.pt",
      "behavior_role_head": "models/seed31/behavior_role_head.pt"
    },
    "47": {
      "base": "models/seed47/base_378.pt",
      "online_adapter": "models/seed47/online_adapter.pt",
      "behavior_role_head": "models/seed47/behavior_role_head.pt"
    }
  },
  "grouping_head": "artifacts/boundary_behavior_guard.joblib",
  "p_boundary_auxiliary_head": {
    "artifact": "models/auxiliary/boundary_auxiliary_head.pt",
    "input_embedding": 384,
    "threshold": 0.7,
    "training_track": "P_with_obligations",
    "validation_scope": "synthetic same-row/superscript/subscript proxy",
    "product_validation": false
  },
  "p_boundary_joint_deltas": {
    "17": "models/auxiliary/seed17/boundary_joint_delta.pt",
    "31": "models/auxiliary/seed31/boundary_joint_delta.pt",
    "47": "models/auxiliary/seed47/boundary_joint_delta.pt",
    "opened_modules": [
      "trajectory_encoder.blocks.3",
      "trajectory_encoder.attention",
      "exact_head",
      "family_head",
      "boundary_head"
    ],
    "training_track": "P_with_obligations",
    "product_validation": false
  },
  "device_contract_stress": {
    "report": "reports/p_boundary_device_stress_3seed.json",
    "modes": [
      "coordinate_jitter",
      "timestamp_missing",
      "sparse_sampling_recanonicalized",
      "affine_device"
    ],
    "all_seed_mode_gates_passed": true,
    "android_hardware_validation": false,
    "product_validation": false
  },
  "release_state": {
    "track": "R_noncommercial_only",
    "product_validation": false,
    "commercial_release": false,
    "litert_exported": false,
    "distillation_allowed_for_r_track_heads": false
  }
}