{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://ulam.ai/schemas/frontier-math-rl/public-task-3.0.json",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema_version", "problem_id", "domain", "research_area", "title", "difficulty", "prerequisites", "frontier_classification", "prompt", "submission_schema_ref", "policy_visibility"],
  "properties": {
    "schema_version": {"const": "3.0"},
    "problem_id": {"type": "string", "pattern": "^sample_(10|[1-9])$"},
    "domain": {"type": "string"},
    "research_area": {"type": "string"},
    "title": {"type": "string"},
    "difficulty": {"type": "string"},
    "prerequisites": {"type": "array", "items": {"type": "string"}},
    "frontier_classification": {"type": "string"},
    "prompt": {
      "type": "object",
      "required": ["conjecture", "definitions", "instruction", "required_deliverables", "allowed_tools"]
    },
    "submission_schema_ref": {"type": "string"},
    "policy_visibility": {"const": "public"}
  }
}