proof.clavastack.com

Blockchain-verified proof of packaging for Specter Hardware Wallets

https://proof.clavastack.com/

What it does

1. Upload or take a photo of Tamper-Evident Bags
2. AI (Google Gemini) extracts Bag IDs, firmware version, and packer info
3. Creates Bitcoin blockchain timestamp via OpenTimestamps
4. Stores proof in Google Cloud Storage

Tech Stack

• Frontend: Vanilla JS + Tailwind CSS (Hostinger)
• Backend: Node.js/Express (Google Cloud Run)
• AI: Google Gemini 2.5 Flash
• Storage: Google Cloud Storage
• Blockchain: OpenTimestamps (Bitcoin)

Pages

Page	URL	Description
Main	/	Public list of all proofs
Add	/add/	Create new proofs (auth required)
Admin	/add/admin/	Delete proofs (auth required)

Quick Start

# Install
npm install

# Build CSS
npm run build:css

# Run backend locally
export GEMINI_API_KEY="your-key"
export AUTH_TOKEN="your-token"
node index.js

Deployment

Push to main branch auto-deploys:

• Frontend → Hostinger
• Backend → Google Cloud Run

Documentation

See CLAUDE.md for detailed documentation.