Unknown PDF characteristics

| *One line summary* | PDFs are deposited without full information. \\
\\ |
| *Detailed description* | \\
PDFs have been deposited without clear metadata to indicate who created the file, what version the file is, and whether the file is locked for editing. \\
\\
\\ |
| *Issue champion* | Bo / Beccy \\ |
| *Possible approaches* | JHOVE / PDF Box \\
JPOD \\
Java based open source tools for characterising and manipulating PDF documents. \\
\\ |