This section describes each item on the [Time stamp] menu of the SkyPDF V4 Driver Settings screen.

Notes
- The timestamp feature cannot be set simultaneously with the [Optimize for Web display] setting in [Output Settings].
- The timestamp feature cannot be set simultaneously with PDF/A and PDF/X.
- Stamps with round or square timestamps cannot be set simultaneously with security settings.
- To add a timestamp to a PDF with this driver, you need the “Amano Timestamp Service 3161”. For details on applying for the timestamp service and license files and certificate files, please contact Amano Secure Japan Corporation.
- Old license files that do not support SHA256 cannot be used. For license renewal, please contact Amano Secure Japan Co., Ltd.
- Even if the [Color] setting in [Output Settings] is set to Grayscale, the imprint of the timestamp will always be in color.
- Even if you set to add a watermark to the [Foreground], the imprint of the timestamp will be added in front of the watermark.
Time Stamp Settings
You can set the timestamp added to the output PDF by checking the [Add Time Stamp] checkbox.
Time Stamp Service
License File Path |
This is the path to the license file (*.atl) for “Amano Time Stamp Service 3161” distributed by AMANO Secure Japan Corporation. |
License File Password |
Enter the password for the Time Stamp License file. |
Imprint setting
Imprint Type |
Select the imprint of the time stamp to be assigned to the PDF. |
Transparent Imprint |
You can set the background of an imprint to be transparent so that even if you add an imprint to a document, the contents of the document behind it can be read. |
Page number for imprint display |
Specify the page number to which the imprint is to be added. When the [Specify page with reverse order (Last page become 1)] checkbox is checked, the page number specified in [Page number for imprint display] is counted as the number of pages from the last page. |
Moving amount from upper left |
Specify the position to add the imprint by the amount of movement from the upper left of the page. |
Date and Time format settings
Time Zone |
Specify the time zone for the timestamp addition date and time to be displayed on the imprint.
- UTCとの時間差を明示的に設定する
- PST(Pacific Standard Time / UTC-8H)
- PDT(Pacific Daylight Time / UTC-7H)
- MST(Mountain Standard Time / UTC-7H)
- MDT(Mountain Daylight Time / UTC-6H)
- CST(Central Standard Time / UTC-6H)
- CDT(Central Daylight Time / UTC-5H)
- EST(Eastern Standard Time / UTC-5H)
- EDT(Eastern Daylight Time / UTC-4H)
- UTC(Coordinated Universal Time / UTC±0H)
- GMT(Greenwich Mean Time / UTC±0H)
- WET(Western European Time / UTC±0H)
- BST(British Summer Time / UTC+1H)
- IST(Irish Summer Time / UTC+1H)
- WEST(Western European Summer Time / UTC+1H)
- CET(Central European Time / UTC+1H)
- MEZ(Mitteleuropaeische Zeit / UTC+1H)
- CEST(Central European Summer Time / UTC+2H)
- MESZ(Mitteleuropaeische Sommerzeit / UTC+2H)
- EET(Eastern European Time / UTC+2H)
- EEST(Eastern European Summer Time / UTC+3H)
- JST(Japan Standard Time / UTC+9H)
- KST(Korea Standard Time / UTC+9H)
|
Date format |
Specify the date format for the timestamp addition date and time to be displayed on the imprint.
- yyyy/mm/dd (2024/07/24)
- yyyy/mth/dd (2024/Jul/24)
- mth/dd/yyyy (Jul/24/2024)
- dd/mth/yyyy (24/Jul/2024)
- yyyy.mm.dd (2024.07.24)
- yyyy.mth.dd (2024.Jul.24)
- mth.dd.yyyy (Jul.24.2024)
- dd.mth.yyyy (24.Jul.2024)
- yyyy-mm-dd (2024-07-24)
- yyyy-mth-dd (2024-Jul-24)
- mth-dd-yyyy (Jul-24-2024)
- dd-mth-yyyy (24-Jul-2024)
- yyyy mth dd (2024 Jul 24)
- mth dd,yyyy (Jul 24,2024)
- dd mth yyyy (24 Jul 2024)
|
Time format |
Specify the time format for the timestamp addition date and time to be displayed on the imprint.
- HH:MM (17:29)
- II:MM PP (05:29 PM)
- HH:MM:SS (17:29:59)
- II:MM:SS PP (05:29:59 PM)
|
Detail
Verification process for time stamp creation |
Setting for whether PDFs are verified when assigning a time stamp. When performing verification, a certificate must be installed. If verification is performed and an invalid result or processing error is detected, a time stamp will not be assigned.
- <Verification Details>
- TSA certificate included in time stamp
- TSA certificate’s root CA certificate
- CRL
- CRL root CA certificate
|
Do not verify |
Assigns a time stamp without verification. |
Verify all |
Perform all verifications from a to d, and add a time stamp only if all results are normal. |
Verify only using TSA certificate |
Perform verification a, and assign a time stamp only if the results are normal. |
Verify TSA certificate except revocation |
Perform verifications a and b, and assign a time stamp only if the results are normal. |
Time Stamp Server to be connected |
The URL of the timestamp server. Normally, the default (http://tss3161.e-timing.ne.jp/astdtssvr/TSRequest) can be used. |
Connection time-out time |
Timeout period (in seconds) for connecting to the time stamp server. |
Use system proxy settings |
If "Use system proxy settings" is checked, the proxy settings configured in the system will be valid. |
Ignore the Time Stamp error while creating PDF file |
If this check is on, even if an error occurs during the timestamp addition process, the PDF conversion process will continue and a PDF without a timestamp will be created. |
To verify the Amano timestamp, you need to install a certificate.
Please follow the steps below.
Note that this is not necessary if you set the [Verification process for time stamp creation] to [Do not verify].
- Access the download page of Secom Trust Systems Co., Ltd. from the page of “Amano Timestamp Service 3161 Repository and Other Public Information
” of Amano Secure Japan Corporation, and download the following root CA certificate and intermediate CA certificate.
- Run the downloaded certificate file.
If a security warning is displayed, press [Open] to proceed.
- Press [Install Certificate].
- Select the storage location according to the purpose and press [Next].
- Select [Place all certificates in the following store] and press [Browse].
- If it is a root CA certificate (SCRoot3ca.cer), select the [Trusted Root Certification Authorities] store,
and if it is an intermediate CA certificate (ca3-der.cer or ca3.cer), select the [Intermediate Certification Authorities] store, and press [OK].
- Press [Next].
- When you press [Finish], the certificate will be installed (imported).
It is complete when you import all the downloaded certificates.