What to capture before linking a PDF that may move or change

Before linking a PDF that may move or change, capture enough context for a reader to identify the document even if the URL later breaks.

PDFs are often treated as stable because they look finished, but many are replaced silently. A policy PDF may keep the same title while the file date changes. A product guide may move from one folder to another. A grant notice may be updated with a corrected deadline. If the summary only stores the URL, future readers may not know whether they are seeing the same document you cited.

Capture the title, publisher, publication or revision date, file date if visible, page number or section name, quoted claim boundary, access date, and stable landing page if one exists. If the PDF has a document code, version number, docket number, ISBN, DOI, or report ID, include it. For long PDFs, cite the page or section rather than expecting readers to search the entire file.

When the PDF changes, compare the affected section before changing the summary. If only the URL moved, update the link and note the move. If the content changed, update the claim and keep a correction trail.

The practical test is whether someone can find the same document, or understand why it changed, without relying on the original link staying alive.

What to capture before linking a PDF that may move or change

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