Privacy Policy

Effective date: August 14, 2025 • Last updated: August 14, 2025

STELR AI, Inc. (“STELR AI”, “we”, “us”, “our”) provides the PureStamp and PureVector services (“Service”) for cryptographic provenance and RAG integrity. This Privacy Policy describes how we handle personal information when you use our websites or Services.

1. Scope

This Policy applies to personal information we process when you visit our websites (e.g., purestamp.stelrai.com, stelrai.com), sign up, use PureStamp or PureVector, or interact with us. It does not apply to third-party services (e.g., AWS, Pinecone), which have their own policies.

2. Information We Collect

Account & Billing

Service & Technical

Content You Provide

Cookies & Similar Technologies

Our websites use cookies for essential functions (e.g., session management) and anonymized analytics. You can manage preferences via browser settings.

3. Sources of Information

4. How We Use Information

5. How We Share Information

6. Data Retention

We retain account data for the duration of your contract plus 90 days, and log data for 12 months, unless legally required otherwise. Content is retained based on your configuration (e.g., watermarked artifacts). Request deletion by contacting privacy@stelrai.com.

7. Security

We implement industry-standard measures, including AES-256 encryption for data at rest, TLS 1.3 for data in transit, and AWS KMS for cryptographic signatures. No system is 100% secure; you must safeguard your API keys and report breaches to security@stelrai.com within 72 hours.

8. Your Choices & Rights

Under laws like GDPR or CCPA, you may have rights to access, correct, delete, port, or restrict processing of your data. We respond to requests within 30 days. Contact privacy@stelrai.com. Enterprise users should first contact their account administrator.

9. International Transfers

We process data in the United States and other regions, using Standard Contractual Clauses (SCCs) for EU/UK transfers and complying with US adequacy frameworks (e.g., Data Privacy Framework) where required.

10. Children’s Privacy

The Service is not directed to children under 13. If we discover personal information from children, we will delete it promptly. Contact privacy@stelrai.com to report concerns.

11. Changes to this Policy

We may update this Policy, posting the effective date and providing 30-day notice via email or website banners for material changes. Continued use after changes constitutes acceptance.

12. Contact Us

STELR AI, Inc.
123 AI Way, Wilmington, DE 19801
Email: privacy@stelrai.com
Data Protection Officer: dpo@stelrai.com