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

[Carl Oppedahl]

Yes, see 
https://blog.oppedahl.com/how-to-calculate-sha-512-hashes-in-microsoft-windows/ 
from March of 2022.

On 12/13/2024 5:22 PM, Jim Larsen via Patentpractice wrote:
>
> FYI, both Windows and MacOS have built-in SHA512 tools, so no need to 
> download new tools unless you want/need a GUI.
>
> Windows (command line):
>
> certutil -hashfile /filename/ SHA512
>
> MacOS (Terminal)
>
> sha512 /filename/
>
> Best regards,
>
> -Jim
>
> James C. Larsen
> Attorney
> Larsen IP PLLC
> p: 425.298.6846
> e: jim at Larsen-IP.com <mailto:jim at Larsen-IP.com>
> w. www.Larsen-IP.com <http://www.Larsen-IP.com>
>
> NOTICE OF CONFIDENTIALITY: The information contained in 
> this email, including any attachments, is confidential and may be 
> privileged. It is intended only for the use of the individual(s) or 
> entity named herein. If the reader of this message is not the intended 
> recipient or authorized agent, you are hereby notified that any 
> dissemination, distribution, or copying of this communication 
> is strictly prohibited. Unintended recipients are requested to notify 
> the sender immediately and to permanently delete this e-mail, 
> any attachments, and copies.
>
> *From: *Patentpractice <patentpractice-bounces at oppedahl-lists.com> on 
> behalf of Rick Neifeld via Patentpractice 
> <patentpractice at oppedahl-lists.com>
> *Date: *Friday, December 13, 2024 at 12:45 PM
> *To: *For patent practitioners. This is not for laypersons to seek 
> legal advice. <patentpractice at oppedahl-lists.com>
> *Cc: *Rick Neifeld <richardneifeld at gmail.com>
> *Subject: *Re: [Patentpractice] reliable way to compare SHA-512 
> strings from Patent Center?
>
> HashTool, a free MS software standalone dones this just fine.  Set it 
> to SHA-5123, as shown below.
>
> 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.
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://oppedahl-lists.com/pipermail/patentpractice_oppedahl-lists.com/attachments/20241213/6f07a918/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image.png
Type: image/png
Size: 31693 bytes
Desc: not available
URL: <http://oppedahl-lists.com/pipermail/patentpractice_oppedahl-lists.com/attachments/20241213/6f07a918/attachment.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 4751 bytes
Desc: S/MIME Cryptographic Signature
URL: <http://oppedahl-lists.com/pipermail/patentpractice_oppedahl-lists.com/attachments/20241213/6f07a918/attachment.p7s>