Nothing to do with REST, I'm afraid, and it breaks if you have more than one document that could be keyed as "ProductA" unless you add an artificial unique identifier tab or -- worse -- send the user to an "ambiguous key" page. Anything sufficiently long to be used as a unique identifier in anything but a trivial web site will be "inaccessible" due to the need for URL-encoding. It ain't the hrefs that need to be accessible -- it's the link text and title.
Nothing to do with REST, I'm afraid, and it breaks if you have more than one document that could be keyed as "ProductA" unless you add an artificial unique identifier tab or -- worse -- send the user to an "ambiguous key" page. Anything sufficiently long to be used as a unique identifier in anything but a trivial web site will be "inaccessible" due to the need for URL-encoding. It ain't the hrefs that need to be accessible -- it's the link text and title.