Privacy
Last updated 14 November 2026
When you sign up we keep what you type (name, email and, if you give them, organisation and role), the time you signed up, and one cookie that keeps you signed in. We use it to give you access and to contact you about this project. If you use the contact form, we keep your message and details to reply to you. All of it stays on our server: never sold, never shared. If you run a simulation while signed in, your name is shown next to it in the shared run history. To see, correct or delete your details, email [email protected].
Who we are
Quantum Dynamics (qtumdynamics.com) is an open-source research project run by Cintelis in Australia. We are responsible for the personal information collected through this site. You can reach us at [email protected].
This page explains how we handle personal information. We aim to follow the Australian Privacy Principles in the Privacy Act 1988 (Cth).
What we collect and why
You can browse the site, the rankings, the molecules and the saved simulations without telling us who you are. We only collect personal information when you choose to give it to us.
| What | When | Why |
|---|---|---|
| Name, email, and if you give them, organisation and role. Also the time you signed up. | When you sign up to run simulations, save runs or see molecule structures | To give you access, and to contact you about this project |
| Name, email, organisation (optional) and your message | When you use the Contact us form | To reply to you |
| Your name next to simulations you run | When you run a simulation while signed in | So researchers can see who ran what in the shared run history |
| Your IP address | Every visit | To stop abuse: we limit how many requests, sign-ups and messages come from one address. We keep it in the server's memory only, not on disk, and drop it within 24 hours. |
We don't ask for sensitive information, such as health or financial details. Please don't put any in a message.
What we don't do
- We don't sell, rent or trade your information.
- We don't use analytics, advertising or tracking tools, and the pages load no third-party scripts.
- We don't add you to marketing lists, and we don't make automated decisions about you.
Cookies and browser storage
| Name | What it does | How long |
|---|---|---|
qd_session | Keeps you signed in after you sign up. It holds a random ID and your name, signed so it can't be forged. | About 13 months, or until you sign out |
qd_visit | Lets the site's pages load their data, so scripts can't bulk-download the data directly. It holds no personal information. | 6 hours |
Cloudflare cookies (for example __cf_bm) | Set by Cloudflare, which protects the site from bots and attacks | Short-lived, set by Cloudflare |
Browser storage (qd-params-…) | Remembers the settings you last used in the dynamics dashboard. It stays in your browser and is never sent to us. | Until you clear your browser data |
All of these are needed for the site to work, so there are no optional cookies to switch off. You can delete them in your browser at any time. If you do, you'll be signed out.
Who can see your information
- Us. Only the people who run this project can see sign-ups and messages, on an admin page protected by a key.
- Everyone, for run names. Visitors can see your name next to simulations you ran while signed in. You can delete your own runs.
- Our service providers. Oracle Cloud hosts the server. Cloudflare carries traffic to it and protects it. They handle data only to provide those services.
- Where the law requires it. We would disclose information only if the law requires us to.
Where it is stored
Sign-ups, messages and saved runs are stored on our server in Oracle Cloud's Sydney region, in Australia. Cloudflare's network has servers around the world, so your connection to the site may pass through servers outside Australia.
How long we keep it
- Sign-up details and messages: while the project runs, or until you ask us to delete them.
- Saved runs: until you or we delete them.
- IP addresses: in the server's memory for up to 24 hours, never written to disk.
- Cookies: for the times shown in the cookie table.
Security
The site is served only over HTTPS. Sign-in cookies are signed and can't be read by scripts on the page. The website is reachable only through Cloudflare, and only the project team can reach the stored records. No system is perfectly secure. If a data breach is likely to cause you serious harm, we'll tell you and, where required, the Office of the Australian Information Commissioner.
Your choices and rights
- Access and correction. Ask for a copy of what we hold about you, or for it to be corrected.
- Deletion. Ask us to delete your sign-up, your messages or your name on saved runs.
- No more contact. Ask us to stop contacting you about the project. You can still use the site.
- Sign out. Use "Sign out" in the site menu to remove the sign-in cookie from your browser.
Email [email protected] for any of these. We'll reply within 30 days. If you live where other privacy laws give you more rights, such as the EU or UK GDPR, tell us and we'll honour them.
Questions and complaints
If you have a question or a complaint about how we handle your information, email [email protected]. We'll look into it and reply within 30 days. If you're not satisfied with our reply, you can complain to the Office of the Australian Information Commissioner at oaic.gov.au.
Children
This site is for researchers and is not meant for children. Please don't sign up or send us a message if you're under 16.
Changes to this page
If we change how we handle personal information, we'll update this page and the date at the top.