{
  "source": "Original English story written for PDF Craft; reused from the existing EPUB sample.",
  "purpose": "Practice input for the article, not a ChatGPT translation output.",
  "prepared_at": "2026-11-14",
  "source_epub_sha256": "c721a76c3e5618f74ef3c0f009a2995ab6f9233a74507f93bec01cbbbdf54e75",
  "text_sha256": "011e38f49ba1e153e2d6cfb59805542a609484c576393b21ff02a48c64e571db",
  "extraction": "Chapter headings and paragraph text from EPUB/chapter1.xhtml and chapter2.xhtml; C01/C02 labels added in the TXT practice copy. No story text changed."
}