[Patentpractice] reliable way to compare SHA-512 strings from Patent Center?

[Carl Oppedahl]

Yes that is the very tool he said he was using.

On 12/13/2024 1:44 PM, Rick Neifeld via Patentpractice wrote:
> HashTool, a free MS software standalone dones this just fine.  Set it 
> to SHA-5123, as shown below.
>
> image.png
>
>
>
> On Fri, Dec 13, 2024 at 2:59 AM William Ahmed via Patentpractice 
> <patentpractice at oppedahl-lists.com> wrote:
>
>     Dear List,
>
>     BACKGROUND (The Old Days -- EFS Web)
>
>     Until 2023, we always submitted filings via EFS web. EFS web
>     provided the BYTE COUNT upon filing.
>
>     This was great and important.
>
>     If 3 years later, when filing the figures for a continuation
>     application, I wanted to make 100% sure that I was re-filing the
>     /exact same pdf file /(instead of another version with the same
>     file-name),
>     I would check the byte count (usually using an MS-DOS window -
>     yeah, I am over 50 years old) to make sure.
>
>
>     PATENT CENTER (I need the same functionality that I used to have)
>
>     Now we live in the world of SHA-512 - Patent Center gives SHA-512
>     rather than bye count.
>     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.
>
>     I am embarrassed to say that I TRIED and I  FAILED
>
>     In Jan 2024, a US provisional was filed -- the drawings file
>     (USProvfiguresJan2024.pdf had a SHA-512 value of "abcdefg".
>     I now downloaded and installed a free "Digital Volcano Hash tool"
>     -- I gave it USProvfiguresJan2024.pdf and asked for the
>     SHA-512 string.
>     The 'SHA-512' hash strings did NOT match.
>
>
>     What am I doing wrong?
>
>     Thanks,
>     Bill
>     -- 
>     Patentpractice mailing list
>     Patentpractice at oppedahl-lists.com
>     http://oppedahl-lists.com/mailman/listinfo/patentpractice_oppedahl-lists.com
>
>
>
> -- 
> Best regards
> Rick Neifeld, J.D., Ph.D.
> Neifeld IP Law PLLC
> 9112 Shearman Street, Fairfax VA 22032
> Mobile: 7034470727
> Email: RichardNeifeld at gmail.com;
> This is NOT  a confidential and privileged communication.  If you are 
> not the intended recipient, please delete this email and notify the 
> sender you have done so.
>
>
>
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