Job Post Draft Title: Developer Needed for K-Drive API Integration + Blockchain Timestamping (WordPress / PHP / API) Description: We are building a secure online platform (WordPress + Elementor Pro) that allows users to upload files and receive proof of existence via timestamping. We need a developer to implement the following: Scope of Work K-Drive Integration (Infomaniak Cloud Storage): Connect our WordPress site to Infomaniak’s K-Drive (Swiss cloud storage). Upload user files securely into K-Drive via API. Ensure file metadata (name, hash, date/time) is stored in our WordPress database. Blockchain Timestamping: Generate SHA-256 (or similar) hash of each uploaded file. Submit hash to a Time Stamping Authority (TSA) service (e.g., DigiStamp or another RFC 3161-compliant provider). Receive timestamp response (TSR) and embed or attach it into a PDF certificate of authenticity. WordPress / Elementor Integration: User uploads file through Elementor form or custom plugin. System automatically processes: Upload to K-Drive Hash + TSA timestamp Generate downloadable PDF certificate with timestamp proof. Deliverables Working WordPress plugin or integration. Clear documentation (install, configure, test). Simple admin panel (view uploads, hashes, certificates). Skills Required PHP & WordPress plugin development. REST API integration. Experience with cloud storage APIs (Google Drive, Dropbox, or ideally K-Drive). Understanding of hashing and TSA (RFC 3161). Bonus: Blockchain timestamping experience. Timeline Initial proof-of-concept within 1 week or sooner Full integration tested within 4 weeks. Budget Open to proposals (please specify fixed price or hourly).