Effective Date: July 1, 2025
Service Provider: Momenta Lab LLC
Service Name: Persimmon (an AI-enabled research exploration application for iOS)

By accessing or using Persimmon, you agree to be bound by these Terms of Service (“Terms”) and our Privacy Policy (linked here). If you do not agree, you must not use the service.

1. Definitions

• Company refers to Momenta Lab LLC, a Texas company.
• Service refers to Persimmon, an AI-enabled research exploration application for iOS.
• AI Summaries are condensed interpretations of arXiv content generated by the Service’s machine learning models.
• arXiv is the open-access archive of scientific research hosted by Cornell University.

2. Acceptance of Terms

You must be at least 13 years old (or the age of majority in your jurisdiction) to use Persimmon. By using the Service, you confirm your agreement to these Terms and the Privacy Policy.

3. Permitted Use

You may use Persimmon to:

• Search, browse, and save arXiv submissions.
• Generate AI summaries of scientific content for educational, research, or non-commercial purposes.
• Customize your experience by reporting your scientific background or interests.

Prohibited Use:
You agree not to:

• Scrape, reproduce, or redistribute arXiv content in bulk without compliance with arXiv’s robots.txt and API Terms of Service.
• Use AI summaries for commercial redistribution, including reselling or repackaging.
• Modify, reverse-engineer, or create derivative works of the Service’s backend systems.
• Use the Service to distribute harmful, illegal, or unethical content.

4. AI-Generated Content Disclaimer

• Accuracy: AI summaries are for informational purposes only. They may contain errors, omissions, or misinterpretations due to the nature of AI systems. The Company does not guarantee their correctness or completeness.
• No Endorsement: The Service does not endorse, verify, or take responsibility for the scientific validity of arXiv content or its AI-derived interpretations.
• Ethical Use: Users must not misuse AI summaries (e.g., for plagiarism, misinformation, or deceptive practices).

5. Intellectual Property

• arXiv Content: All arXiv submissions are the intellectual property of their respective authors. The Service provides access to such content in accordance with arXiv’s Terms of Use.
• Company Property: The Service, including its AI models, user interface, and proprietary code, is owned by Momenta Lab LLC. You may not copy, modify, or distribute these without explicit permission.
• User Content: If you submit feedback, ratings, or saved preferences, you grant Momenta Lab LLC a non-exclusive, royalty-free license to use such data to improve the Service.

6. Data Security

The Company implements reasonable technical and organizational security measures to protect your data. However, no system is 100% secure, and we cannot guarantee absolute protection. You are responsible for maintaining the confidentiality of your account credentials.

7. Compliance with arXiv Policies

The Service adheres to arXiv’s robots.txt and API usage guidelines. Users must:

• Attribute arXiv authors and submissions appropriately when sharing content.
• Comply with arXiv’s Terms of Use when accessing or redistributing material.

8. Privacy Policy

The Service collects and processes user data in accordance with our Privacy Policy. This includes:

• Anonymized usage statistics to improve the Service.
• Saved preferences (e.g., interest tags, experience level).
• Feedback provided to refine AI summaries.

9. Limitations of Liability

• No Warranty: The Service is provided “as-is” without warranties of any kind, including for accuracy, reliability, or non-interruption.
• Exclusion of Damages: To the fullest extent permitted by law, Momenta Lab LLC shall not be liable for indirect, incidental, or consequential damages arising from use of the Service.

10. Termination

The Company may suspend or terminate your account if you violate these Terms. You may stop using Persimmon at any time.

11. Governing Law and Dispute Resolution

• Governing Law: These Terms are governed by the laws of Texas, USA.
• Dispute Resolution: If a dispute arises, you agree to first attempt to resolve it through informal negotiation. If unresolved, disputes shall be resolved in the courts of Texas without regard to conflict-of-law principles.

12. Modifications

The Company reserves the right to update these Terms at any time. Changes will be posted here with an updated “Last Updated” date. Continued use of the Service constitutes acceptance of the new Terms.

13. Contact

For questions or concerns, contact us at hello@momentalab.com.

By using Persimmon, you acknowledge and agree to these terms.