The Trust Layer for Generative AI

STELR AI helps enterprises build verifiable trust into every AI workflow. With PureStamp and PureVector, organizations can watermark, verify, and govern generative outputs across data pipelines, LLMs, and content systems—ensuring compliance, authenticity, and brand integrity at scale.

PureStamp and PureVector: Foundational tools for AI trust, governance, and compliance.
Trust in Action
STELR AI dashboard preview

Stamp and verify content authenticity in real time.

Trusted by Industry Leaders

AWS logo Pinecone logo Weaviate logo logo Bedrock logo

"PureStamp ensures our credentials are verifiable, while PureVector catches AI-generated submissions."

Dr. Emily Chen, Dean of Academic Affairs

"STELR AI’s tools protect our editorial pipeline from unverified content."

Laura Bennett, Managing Editor

"PureStamp and PureVector streamline compliance for our legal workflows."

Michael Patel, Compliance Officer

Why Enterprises Choose STELR AI

From provenance to detection, STELR AI creates accountability for every model output.

1

Prove Authenticity

PureStamp’s cryptographic watermarks bind content to its creator, ensuring tamper-proof provenance.

2

Detect AI Content

PureVector identifies AI-generated vs. human content with 92%+ accuracy, protecting your workflows.

3

Ensure Compliance

Both products support EU AI Act, SOC 2, and GDPR with auditable metadata.

PureStamp

Cryptographically stamp content to prove origin and authenticity.

Learn More

PureVector

Detect AI-generated content with high accuracy for compliance and trust.

Learn More

End-to-End Content Trust

PureStamp and PureVector work together to secure your content pipeline.

  1. 1
    Stamp Content: Use PureStamp’s /purestamp/stamp to add cryptographic watermarks at creation.
  2. 2
    Detect AI: Use PureVector’s /purevector/detect to identify AI vs. human content.
  3. 3
    Verify & Comply: Validate stamps and metadata via API or S3 triggers for audit-ready workflows.
Built on AWS with API Gateway, Lambda, S3, and KMS for scalability.
Quickstart (cURL)
# Stamp content with PureStamp
curl -X POST "https://api.stelrai.com/purestamp/stamp" \
  -H "x-api-key: <your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{"content":"Your document here","creator":"alice@school.edu"}'

# Detect AI with PureVector
curl -X POST "https://api.stelrai.com/purevector/detect" \
  -H "x-api-key: <your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{"content":"Your text here","mime_type":"text/plain"}'
          
Full API Documentation

Built for Compliance

STELR AI helps you meet global standards like the EU AI Act, SOC 2, and GDPR by embedding audit-ready provenance and authenticity signals directly into your AI workflows.

EU AI Act
SOC 2
GDPR
NYDFS 500.13
Chain-of-Custody

Frequently Asked Questions

Everything you need to know about STELR AI’s solutions.

What is the difference between PureStamp and PureVector?

PureStamp cryptographically watermarks content to prove origin, while PureVector detects whether content is AI-generated or human-crafted.

What file types are supported?

PDF, DOCX, TXT, JSON, PNG, JPEG for PureStamp; text and documents for PureVector. More formats coming soon.

How do PureStamp and PureVector work together?

PureStamp watermarks content at creation, and PureVector verifies its authenticity and detects AI-generated content, ensuring end-to-end trust.

How secure are STELR AI’s solutions?

PureStamp uses AWS KMS for cryptographic signatures, and PureVector employs advanced hybrid models, both ensuring tamper-proof, compliant solutions.

Secure Your Content Today

Join thousands of organizations trusting STELR AI to verify content authenticity. Start with our free demo or API key.