{
  "cell_id": "q141_hard_negative_k2",
  "doc_id": "formwork-150318073913-conversion-gate01_95.pdf",
  "question": "For beams and arches requiring complete formwork removal on spans over 6 m, how many days does the table give for Rapid Hardening Cement?",
  "answer": "8-10 Days",
  "answer_format": "Str",
  "condition": "hard_negative",
  "k": 2,
  "source_position": "first",
  "expected_route": "openrouter",
  "bundle_filenames": [
    "source.md",
    "hn_1.md",
    "hn_2.md"
  ],
  "original_filenames": [
    "formwork-150318073913-conversion-gate01_95.pdf",
    "web_0592b193cfe894c0.pdf",
    "web_c285e96d19aa19d0.pdf"
  ],
  "modality": "markdown"
}