Tyrion-hb/page-aligned-paper-translation

# Page-aligned paper translation

Goal: a translated PDF where page n holds exactly the content of original page n. Figures and tables are vector crops of the original PDF. Equations are retyped in LaTeX with the original numbers. Reference pages are kept as the original pages.

## 0. Before any work

### 0.1 Check the license
Find the license on the arXiv abs page ("view license") or the publisher page. For journal papers, also check page 1 of the PDF and the last page for a copyright line (e.g. "© The Author(s), under exclusive licence to Springer…"). If you cannot read it, ask the user to check it.

- **CC BY / CC BY-SA:** translating is allowed.
- **CC BY-NC-ND 4.0 (or BY-ND):** private adaptations for non-commercial use are allowed, but they must not be shared. Proceed only for personal use. Stamp page 1 with "个人学习用中文译本，依原文许可 … 不得分发" plus the arXiv id.
- **Publisher exclusive licence (e.g. Springer "under exclusive licence"), arXiv default non-exclusive license, all-rights-reserved, or unknown:**
  - Tell the user the license type first, and offer the alternatives: page-aligned study notes (per-paragraph explanations with short quotes), or running a local tool (PDFMathTranslate, 沉浸式翻译) on their own copy with a glossary from you.
  - If the user explicitly confirms the translation is **only for their own personal study** and will not be shared, uploaded or used for anything else, you may produce the full translation. In that case: