Key answer
A URL, filename or path identifies where material is; actual reading depends on tools accessing it and returning content. A web-enabled assistant may open a URL; a local-file assistant may read a path. Login state, permissions and the device affect access.
Full explanation
OpenAI's web-tool documentation distinguishes search, opening pages and finding text within pages, with call records and sources. Finding a link and opening its target can therefore be checked separately. File-search documentation also requires uploading and preparing a searchable file collection before retrieving relevant content. Web-tool documentation, file-search documentation
First confirm the accessed object: specified file, correct version and final webpage. Ask for a short relevant quotation and its location. A title, filename or generic description does not establish that the body was read. If tool results are visible, check for login pages, failures and search snippets rather than page content.
Open this link before answering. State the page title and relevant section actually read, with one short relevant quotation and its location. If you obtained only a search snippet, login page or partial text, disclose the reading scope.
Paths must match the runtime environment: a file on your computer may not exist in a cloud assistant's environment. If reading fails, upload it, provide an accessible share link or paste the required passage. Quotations help verify portions read; for a full-document review, also check coverage as in B007.
References
1. OpenAI, Web search, official API documentation, Output and citations
2. OpenAI, File search, official API documentation, How to use