DIN - German Institute for Standardization

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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Standards [New]

OEVE/OENORM EN 319421 V1.3.1
Electronic Signatures and Trust Infrastructures (ESI); Policy and Security Requirements for Trust Service Providers issuing Time-Stamps (ETSI EN 319421 V1.3.1 (2025-07))

Edition 2025-10-01

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

OEVE/OENORM EN 319421 V1.3.1 Electronic Signatures and Trust Infrastructures (ESI); Policy and Security Requirements for Trust Service Providers issuing Time-Stamps (ETSI EN 319421 V1.3.1 (2025-07))

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OEVE/OENORM EN 319421 V1.3.1
Electronic Signatures and Trust Infrastructures (ESI); Policy and Security Requirements for Trust Service Providers issuing Time-Stamps (ETSI EN 319421 V1.3.1 (2025-07))