K-Drive & Blockchain Integration for WordPress

Job ID: 39827543

Budget: €250 – €750 EUR

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).