Public, unauthenticated endpoint for verifying that a PDF was produced and
signed through Blueink. Submit the SHA-256 hash of a PDF file; Blueink checks
whether it matches any signed PDF, combined PDF, or Certificate of Execution
associated with a completed Bundle.

```mdx-code-block
import DocCardList from '@theme/DocCardList';
import {useCurrentSidebarCategory} from '@docusaurus/theme-common';

<DocCardList items={useCurrentSidebarCategory().items}/>
```