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QUALIFIED TRUST SERVICES

Legally compliant digital signatures (eIDAS) to drive forward the digitalization of your business processes.

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CORPORATE TRUST SERVICES

Cryptography-based trust services
to protect your digital identities,
data and business secrets.

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Qualified electronic signature products based on eIDAS - legally binding and secure.

INDIVIDUAL
ENTERPRISE
OEM
PRODUCTS

Easy-to-use, legally secure and flexible. Simple as that.

ONLINE SHOP
API GUIDE

Upgrade your application with electronic signatures by primesign.





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DOCUMENT SIGNING API

Signing of PDF documents. primesign handles document processing and adds a visual signature stamp.

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HASH SIGNING API

Signing of hash values. Your application handles document processing and provides the document viewer.

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CASH BOX API

RKSV-compliant JWS- or raw signatures for cash box receipts.





DOCUMENTATION
primesign TRUST CENTER

All documents for our qualified trust services, certificate revocation list, root-/CA- certificates, etc.

TRUST CENTER
RESOURCES

Fact sheets, product documentation and more.



RESOURCES

-disc 1- -limited Box- - Tokimeki Memorial 2 -japan-

| Item | Present? | |------|-----------| | Outer cardboard box (thick, with embossed or metallic logo) | ✅ | | Jewel case with Disc 1 (black label, PlayStation logo) | ✅ | | Disc surface – art of female character silhouette or school emblem | ✅ | | 4-page black & white manual (Japanese) | ✅ | | Registration card (postcard-sized) | ✅ | | Any bonus sticker sheet (sometimes missing) | ❓ | | Obi strip (paper spine wrap with price/barcode) – highly collectible | ✅ / ❓ |