<div dir="ltr"><div dir="ltr">HashTool, a free MS software standalone dones this just fine. Set it to SHA-5123, as shown below.<div><br></div><div><img src="cid:ii_m4n7uicx0" alt="image.png" width="527" height="341"><br><div><br></div><div><br></div></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Dec 13, 2024 at 2:59\u202fAM William Ahmed via Patentpractice <<a href="mailto:patentpractice@oppedahl-lists.com">patentpractice@oppedahl-lists.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><div dir="ltr">Dear List,</div><div dir="ltr"><br></div><div dir="ltr">BACKGROUND (The Old Days -- EFS Web)</div><div dir="ltr"><br></div><div dir="ltr">Until 2023, we always submitted filings via EFS web. EFS web provided the BYTE COUNT upon filing.</div><div dir="ltr"><br></div><div dir="ltr">This was great and important.</div><div dir="ltr"><br></div><div dir="ltr">If 3 years later, when filing the figures for a continuation application, I wanted to make 100% sure that I was re-filing the <i>exact same pdf file </i>(instead of another version with the same file-name),</div><div dir="ltr">I would check the byte count (usually using an MS-DOS window - yeah, I am over 50 years old) to make sure.</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">PATENT CENTER (I need the same functionality that I used to have)</div><div dir="ltr"><br></div><div dir="ltr">Now we live in the world of SHA-512 - Patent Center gives SHA-512 rather than bye count.</div><div dir="ltr">I want to do the same for Patent center - I want the ability to take a pdf file on my computer (e.g. 11 months after filing a US provisional), run it through SHA-512 and reproduce the SAME SHA-512 string.</div><div dir="ltr"><br></div><div dir="ltr">I am embarrassed to say that I TRIED and I FAILED</div><div dir="ltr"><br></div><div dir="ltr">In Jan 2024, a US provisional was filed -- the drawings file (USProvfiguresJan2024.pdf had a SHA-512 value of "abcdefg".</div><div dir="ltr">I now downloaded and installed a free "Digital Volcano Hash tool" -- I gave it USProvfiguresJan2024.pdf and asked for the </div><div dir="ltr">SHA-512 string. </div><div dir="ltr">The 'SHA-512' hash strings did NOT match.</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">What am I doing wrong? </div><div dir="ltr"><br></div><div dir="ltr">Thanks,</div><div dir="ltr">Bill</div></div></div>-- <br>
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</blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div>Best regards</div><div>Rick Neifeld, J.D., Ph.D. <br></div><div>Neifeld IP Law PLLC<br></div><div>9112 Shearman Street, Fairfax VA 22032</div><div>Mobile: 7034470727<br></div><div>Email: <a href="mailto:RichardNeifeld@gmail.com" target="_blank">RichardNeifeld@gmail.com</a>; <br></div><div>This
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