{
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  "batch_id": "batch-20261011-advance-20261015-r06-permutation-combination-foundations",
  "checked_at": "2026-10-11",
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  "average_bytes_per_question": 1936.51,
  "required_check_results": {
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    "independent_answer_recomputation": true,
    "explanation_witness_accuracy": true,
    "source_mko_snapshot_hash": true,
    "manifest_sha256": true
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  "errors": []
}