Effective Date: March 8, 2026 | Version 5.0
This Privacy Policy describes how Geometric Data Systems, Inc. (“Arithym,” “Company,” “we,” “us,” or “our”) collects, uses, discloses, and protects information when you use the Arithym computation service, website, APIs, and related services (the “Service”). By using the Service, you agree to the collection and use of information in accordance with this policy.
When you create an account, we collect your email address, the date and time of registration, your IP address at the time of signup, and your acceptance of our Terms of Service with timestamp.
When you use the Service, we collect: the number of API calls per day (aggregated by API key hash), the date and time of each request, and rate limit metadata. We do not log, store, or retain the content of your computational inputs or outputs. Your mathematical queries and their results are processed in memory and discarded after the response is returned.
If you subscribe to a paid tier, payment information (credit card numbers, billing addresses) is collected and processed directly by our payment processor, Stripe, Inc. We do not store your payment card information on our servers. We receive from Stripe only: your Stripe customer ID, subscription status, current billing period, and payment history (amounts and dates). For Stripe’s privacy practices, see Stripe’s Privacy Policy.
We may collect standard server logs including IP addresses, request timestamps, HTTP methods, response codes, and user agent strings. This data is used for security monitoring, abuse prevention, and service reliability.
Our website (arithym.xyz) does not use cookies for tracking or advertising purposes. We do not use any third-party analytics services. The website loads Google Fonts for visual presentation; Google’s font serving may collect standard web request data per their privacy policy.
We use the information we collect to:
We do not use your information for advertising, marketing to third parties, profiling, or automated decision-making. We do not sell your information.
We do not sell, rent, or trade your personal information. We share information only in the following circumstances:
| Recipient | Data Shared | Purpose |
|---|---|---|
| Stripe, Inc. | Email, payment details | Payment processing |
| DigitalOcean, Inc. | Server infrastructure data | Cloud hosting |
| Law enforcement | As required by law | Legal compliance |
We may also disclose your information if we believe in good faith that disclosure is necessary to: (a) comply with a legal obligation, court order, or government request; (b) protect the rights, property, or safety of Arithym, our users, or the public; (c) enforce our Terms of Service; or (d) detect, prevent, or address fraud, security, or technical issues.
In the event of a merger, acquisition, or sale of all or a portion of our assets, your information may be transferred as part of that transaction. We will notify you via email or prominent notice on our website before your information becomes subject to a different privacy policy.
We retain your information as follows:
We implement reasonable administrative, technical, and physical safeguards to protect your information, including:
However, no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to protect your information, we cannot guarantee its absolute security. You are responsible for maintaining the security of your API Key and account credentials.
Regardless of your location, you have the right to:
To exercise any of these rights, contact us at jacob@arithym.xyz. We will respond to your request within 30 days.
If you are a California resident, you have the following additional rights under the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA):
In the preceding 12 months, we have collected the categories of personal information described in Section 1 above. We have not sold personal information to third parties. We have disclosed personal information to the service providers listed in Section 3 for the business purposes described therein.
If you are located in the European Economic Area (EEA), United Kingdom, or Switzerland, you have additional rights under the General Data Protection Regulation (GDPR), including the right to lodge a complaint with your local data protection authority. Our legal basis for processing your personal information is: (a) performance of a contract (providing the Service); (b) legitimate interests (security, fraud prevention); and (c) your consent (where applicable). For data transfers outside the EEA, we rely on Standard Contractual Clauses or other approved transfer mechanisms.
The Service is not directed to individuals under the age of 18. We do not knowingly collect personal information from children under 18. If we become aware that we have collected personal information from a child under 18, we will take steps to delete that information promptly. If you believe we have collected information from a child under 18, please contact us.
The Service is hosted in the United States. If you access the Service from outside the United States, your information will be transferred to, stored, and processed in the United States. By using the Service, you consent to the transfer of your information to the United States, which may have different data protection laws than your country of residence.
In the event of a data breach that compromises your personal information, we will: (a) investigate the breach promptly; (b) take reasonable steps to mitigate the effects; (c) notify affected users via email within 72 hours of becoming aware of the breach, where feasible; and (d) notify relevant regulatory authorities as required by applicable law.
Our website does not respond to “Do Not Track” browser signals because we do not engage in cross-site tracking. We do not use cookies for tracking or advertising purposes.
The Service may contain links to third-party websites or services. We are not responsible for the privacy practices of those third parties. We encourage you to read the privacy policies of any third-party services you access.
We may update this Privacy Policy from time to time. If we make material changes, we will notify you by email or by posting a prominent notice on our website at least 30 days before the changes take effect. Your continued use of the Service after the effective date of revised policy constitutes your acceptance of those changes.
Privacy Questions?
Contact us at jacob@arithym.xyz
Geometric Data Systems, Inc. · Minnesota, United States