{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9794071","patent":{"patent_number":"US-9794071","title":"Digital data content certification system, data certification device, user terminal, computer program and method therefor","assignee":null,"inventors":[],"filing_date":"2011-02-02T00:00:00.000Z","publication_date":"2017-10-17T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L"],"num_claims":3,"abstract":"A file is created in which digital data and a certificate are integrated and content authentication for the digital data and the certificate are performed simultaneously. A data authentication device (1) is provided with: an original data receiving means which is communicably connected to a user terminal (2) and a timestamp provision device (3), and receives original data to be authenticated from the user terminal (2); an intermediate file creation means which creates an authentication file corresponding to the original data, and attaches the actual original data to the authentication file to create an intermediate file; a timestamp request means which transmits the intermediate file to the timestamp provision device (3); a date/time security information acquisition means which receives from the timestamp provision device (3) date/time security information containing date/time information and a hash value for the intermediate file; an authenticated file creation means which embeds the received date/time security information in the intermediate file and creates an authenticated file; and an authenticated file transmission means which transmits the authenticated file to the user terminal (2)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital data content certification system, data certification device, user terminal, computer program and method therefor","description":"A file is created in which digital data and a certificate are integrated and content authentication for the digital data and the certificate are performed simultaneously. A data authentication device ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9794071","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9794071","citation_suggestion":"Patentable. \"Digital data content certification system, data certification device, user terminal, computer program and method therefor\" (US-9794071). https://patentable.app/patents/US-9794071","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9794071","json":"https://patentable.app/api/llm-context/US-9794071","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:54:36.319Z"}