Source identity
Keep the URL, path, seller context, and observation time together.

Independent boundary resource · Oopbuy Spreadsheet
an update-window guide that assigns a review date without implying that changing listing data stays current. It is written as an independent working resource and does not claim current inventory, price, quality, or delivery outcomes.
This page organizes a practical review task. It does not present changing platform data as a guarantee.
Open Oopbuy SpreadsheetEvidence boundary
Separate a captured value, a source interpretation, and an open question. This makes a later recheck faster and prevents stale observations from becoming promises.
Record fields
Keep the URL, path, seller context, and observation time together.
Copy the visible title, option, size, or row wording instead of paraphrasing it.
Record what the page visibly supports and label everything still unresolved.
Give the next reviewer one concrete check and a date rather than a vague reminder.
Use the current Oopbuy Spreadsheet resource when a field, policy, or source path changes.
Check Oopbuy Spreadsheet