System Requirements Document (SRD)

Project Name: noble-digital

1. Introduction

The noble-digital project aims to deliver a cutting-edge digital signing solution tailored for small businesses in South Africa (ZA). Inspired by tools like DocuSign, this platform will streamline document signing workflows, ensuring legal compliance, efficiency, and ease of use. By incorporating features such as multi-party signing, integrations with popular productivity platforms, reusable templates, audit trails, and AATL-compliant digital signatures, noble-digital will empower small businesses to manage agreements seamlessly.

This document outlines the system requirements for noble-digital, ensuring clarity and alignment with the project's objectives.

2. System Overview

noble-digital is a web-based and mobile-friendly platform designed to simplify the process of digitally signing documents. The system will focus on providing small businesses with an affordable, user-friendly solution that meets international standards for digital signatures.

Key Features:

• Multi-party signing capabilities for collaborative agreements.
• Integration with Google Workspace and Microsoft tools for seamless workflows.
• Reusable templates to save time and ensure consistency.
• Comprehensive audit trails for tracking document activity and ensuring legal compliance.
• Fully trusted AATL-compliant digital signatures, initially using self-generated certificates that display as green-ticked and valid.

The platform will prioritize security, scalability, and ease of use, catering specifically to the needs of small businesses in South Africa.

3. Functional Requirements

User Stories:

• As a User, I should be able to upload documents for digital signing.
• As a User, I should be able to invite multiple signers to collaborate on the same document.
• As a User, I should be able to integrate the platform with Google Workspace and Microsoft tools.
• As a User, I should be able to create and save reusable document templates.
• As a User, I should be able to view audit trails for all document activities.
• As a User, I should be able to generate AATL-compliant digital signatures that display as fully trusted (green-ticked).

4. User Personas

1. Admin

• Role: Manages platform settings, user accounts, and system configurations.
• Responsibilities: Ensures compliance, oversees integrations, and monitors audit trails.

2. User

• Role: Small business owner or employee using the platform for document signing.
• Responsibilities: Uploads documents, invites signers, manages templates, and tracks document activity.

3. Signer

• Role: External party invited to sign documents.
• Responsibilities: Reviews and digitally signs documents as required.

5. Visuals Colors and Theme

Color Palette:

The noble-digital platform will feature a professional yet approachable aesthetic, reflecting trust, efficiency, and modernity.

• Background: #F5F5FA (Soft Lavender Gray)
• Surface: #FFFFFF (Pure White)
• Text: #2E2E38 (Deep Charcoal)
• Accent: #4A90E2 (Vibrant Azure Blue)
• Muted Tones: #A6A6B3 (Subtle Slate Gray)

This palette ensures readability and a clean, professional look while maintaining a welcoming feel for small business users.

6. Signature Design Concept

Concept: Interactive Document Desk

The homepage of noble-digital will resemble a sleek, interactive digital desk. Users will see a virtual workspace with:

• Floating documents: Each document appears as a card that users can drag, drop, and organize.
• Dynamic animations: When hovering over a document, it subtly "lifts" and casts a shadow, mimicking real-world interactions.
• Integrated tools: Icons for Google Workspace and Microsoft integrations are displayed as clickable widgets on the desk.
• Live audit trail ticker: A scrolling ticker at the bottom shows real-time updates of document activities (e.g., "Document X signed by User Y").
• Green-ticked signatures: Signed documents display a glowing green tick animation, reinforcing trust and compliance.

The design will feature smooth transitions, micro-interactions, and a modern aesthetic, making the platform visually engaging and intuitive to use.

7. Non-Functional Requirements

• Performance: The system must handle up to 1,000 concurrent users without degradation.
• Security: Ensure end-to-end encryption for all document uploads and signatures.
• Scalability: Support future expansion to include enterprise-level features.
• Compliance: Adhere to AATL standards for digital signatures.
• Localization: Default settings tailored for South Africa (e.g., timezone, currency).

8. Tech Stack

Frontend:

• React for Web
• React Native for Mobile App

Backend:

• Python
• FastAPI

Database:

• MySQL or MariaDB (using Alembic for migrations)

AI Models:

• GPT 5.4 for user-friendly responses

AI Tools:

• Langchain
• Litellm for LLM Routing

Local Orchestration:

• Docker
• docker-compose

Server-Side Orchestration:

• Kubernetes

9. Assumptions and Constraints

Assumptions:

• Users will primarily access the platform via web browsers and mobile devices.
• Small businesses in South Africa will be the primary user base.
• Initial digital signatures will use self-generated certificates but must display as fully trusted (green-ticked).

Constraints:

• Integration with Google Workspace and Microsoft tools must comply with their respective APIs.
• The platform must adhere to AATL standards for digital signatures.
• Budget constraints may limit initial scalability features.

10. Glossary

• AATL: Adobe Approved Trust List, a standard for trusted digital signatures.
• Audit Trail: A chronological record of document activities for legal compliance.
• Green-Ticked Signature: A visual indicator that a digital signature is fully trusted and valid.
• Reusable Templates: Predefined document formats that can be saved and reused.
• Multi-Party Signing: The ability for multiple individuals to sign the same document.

End of Document