Privacy Policy

Company: 51Earth, Inc. (operating as Aperdata.AI)

Address: 2540 N First Street, #106, San Jose, CA 95131, USA

Contact: service@aperdata.ai

Privacy Officer: Fei Du

Effective Date: April 24, 2026

Governing Law: State of California, USA

1. Introduction

51Earth, Inc. ("Company", "we", "us", or "our") operates the website aperdata.ai (the "Site") and provides SimReady 3D digital assets for use in Physical AI, World Model training, and related artificial intelligence applications. This Privacy Policy explains how we collect, use, store, share, and protect your personal information when you visit or use our Site and services.

By accessing or using the Site, you agree to the terms of this Privacy Policy. If you do not agree, please discontinue use of the Site.

2. Information We Collect

2.1 Account Information

We support two methods of account creation and sign-in:

(a) Google OAuth 2.0 Sign-In

When you sign in using your Google account, we request the following minimum necessary permissions: openid, email, and profile. This allows us to collect:

  • Your Google account email address
  • Your Google display name
  • Your Google account unique identifier (used for account binding)
  • Your Google profile picture URL (used solely for account display)

    • We do not access your Gmail messages, Google Drive files, Google Calendar, Google Contacts, or any other data beyond the permissions listed above.

    (b) Email / Password Registration & Sign-In

    When you register or sign in using your email address, we collect:

  • Your email address (used as your account identifier)
  • A hashed version of your password (your plaintext password is never stored)
  • Email verification codes (one-time passcodes, "OTP") sent via our email delivery provider, Resend, Inc., for identity verification during registration, sign-in, and password reset

    • 2.2 Payment Information (via Stripe)

    All payment transactions are processed by Stripe, Inc. We do not collect, store, or process your full credit or debit card number. Information we may receive from Stripe includes:

  • Cardholder name
  • Last four digits of payment card (for order display only)
  • Billing country, state, and postal code (for tax calculation and fraud prevention)
  • Payment status and Stripe transaction ID
  • Stripe Customer ID (to associate your account with payment methods)

    • 2.3 Purchase and Transaction Records

    When you make a purchase, we automatically record:

  • Names and identifiers of 3D assets purchased
  • Purchase amount and currency (USD)
  • Purchase timestamp
  • Download records (count and timestamps)

    • 2.4 Device and Technical Information

    When you visit the Site, we automatically collect:

  • IP address
  • Browser type and version
  • Operating system and device type
  • Pages visited and access timestamps

    • 3. How We Use Your Information

    We use the information we collect for the following purposes:

  • To create and manage your account
  • To process purchases and deliver digital assets
  • To send transactional emails (order confirmations, receipts, support responses)
  • To comply with legal obligations, including OFAC sanctions screening
  • To detect and prevent fraud and abuse
  • To improve and analyze platform performance (using aggregated, anonymized data)
  • To respond to your inquiries and support requests

    • 4. Data Storage and Retention

    4.1 Storage Location

    Your data is hosted on infrastructure provided by Vercel Inc., which operates on Amazon Web Services (AWS). Your data may be processed and stored on AWS servers located in the United States (San Francisco region).

    4.2 Retention Periods

  • Account Information: Retained for 30 days following account deletion, then permanently deleted or anonymized.
  • Transaction Records: Retained for 10 years in accordance with applicable tax laws and accounting standards.
  • Access Logs: Retained for 30 days.
  • Security Audit Logs: Retained for 180 days.

    • 5. Sharing of Your Information

    We do not sell your personal information. We may share your information only in the following circumstances:

  • Stripe, Inc.: To process payments on your behalf.
  • Google LLC: For authentication services via Google OAuth (Google sign-in users only).
  • Resend, Inc.: To deliver transactional and authentication emails, including one-time verification codes (OTPs), to users who register or sign in with their email address.
  • Vercel Inc. / AWS: As our cloud infrastructure providers.
  • Legal Requirements: When required by law, court order, or government authority.
  • Business Transfers: In connection with a merger, acquisition, or sale of assets, subject to confidentiality obligations.

    • 6. Cookies

    We use cookies and similar tracking technologies. Please refer to our Cookie Policy for detailed information on the types of cookies we use, your consent options, and how to manage your cookie preferences.

    7. Your Privacy Rights

    7.1 California Residents (CCPA)

    If you are a California resident, you have the following rights under the California Consumer Privacy Act (CCPA):

  • Right to Know: Request disclosure of categories and specific pieces of personal information we have collected about you.
  • Right to Delete: Request deletion of your personal information (subject to certain exceptions).
  • Right to Opt-Out: We do not sell personal information; this right is not currently applicable.
  • Right to Non-Discrimination: We will not discriminate against you for exercising your CCPA rights.

    • To exercise your California privacy rights, please contact us at service@aperdata.ai.

    7.2 EEA/UK Residents (GDPR)

    If you are located in the European Economic Area or the United Kingdom, you have the following rights under the GDPR:

  • Right of Access (Art. 15): Obtain a copy of your personal data.
  • Right to Rectification (Art. 16): Correct inaccurate or incomplete data.
  • Right to Erasure (Art. 17): Request deletion of your personal data.
  • Right to Restriction (Art. 18): Restrict processing of your data.
  • Right to Data Portability (Art. 20): Receive your data in a structured, machine-readable format.
  • Right to Object (Art. 21): Object to processing based on legitimate interests.

    • To exercise your GDPR rights, contact us at service@aperdata.ai. You also have the right to lodge a complaint with your local supervisory authority.

    8. Children's Privacy

    Our Site is not directed to individuals under 13 (or 16 in the EU). We do not knowingly collect personal information from children. If we become aware that a child has provided personal information, we will promptly delete it.

    9. Data Security

    We implement industry-standard security measures, including:

  • Encryption of data in transit (HTTPS / TLS 1.2+)
  • Access controls and least-privilege principles
  • Regular security audits and vulnerability assessments
  • Data breach notification procedures in accordance with applicable law

    • 10. Changes to This Policy

    We may update this Privacy Policy from time to time. We will notify registered users of material changes by email at least 30 days before the changes take effect. Continued use of the Site after the effective date constitutes your acceptance of the changes.

    11. Contact Us

  • Email: service@aperdata.ai
  • Privacy Officer: Fei Du
  • Address: 51Earth, Inc., 2540 N First Street, #106, San Jose, CA 95131, USA