{
  "template_schema": "nmd-vcell-vcc-task-binding/1.0",
  "created_from": "api/v1.1/vcc_evaluation_contract.json",
  "activation_rule": "Populate only from the official 2026 challenge specification; preserve null for undisclosed fields.",
  "task_binding": {
    "challenge_year": 2026,
    "problem_id": null,
    "cell_context": null,
    "perturbation_modality": null,
    "prediction_unit": null,
    "expression_space": null,
    "training_accessions": [],
    "hidden_test_definition": null,
    "official_metric_weights": null,
    "binding_state": "WAITING_FOR_2026_RULES",
    "null_semantics": "Null fields are intentionally unbound because Arc has not released the task specification."
  },
  "official_sources": [],
  "reviewer": null,
  "reviewed_at": null,
  "binding_decision": "PENDING_OFFICIAL_RULES"
}