Deepen the moment.
Your photos, notes, and files — signed the instant you create them. Private when they begin. Proven when they matter.
In a world where anything digital can be copied, stripped of context, or imitated — Parable gives you solid ground.
Protect what you create
A phone photo today can become evidence tomorrow. A private note can become proof of an idea. Give your digital life a foundation it deserves.
Sign your photos
Take a photo. Parable signs it instantly — proving you took it, when you took it, before anyone else sees it.
Protect your notes
Your ideas start private. Encrypted the moment you write them. Timestamped in order. Readable only by you.
Prove what's yours
When it matters — a file, a creation, a record — anyone can verify it came from you. No account needed to check.
Keep a trusted record
Notes, documents, creative work. A continuous chain that proves what existed, when. Your personal archive with proof built in.
Simple on the surface.
Extraordinary underneath.
You don't need to understand cryptography. Parable handles the hard part invisibly — signing, encrypting, chaining — so you can focus on what you're making.
Create
Take a photo, write a note, save a file. That's it — you don't change how you work.
Sign
Parable signs your content with a key that only exists on your device. It happens in a blink.
Keep
Your notes are encrypted and sealed into an immutable personal ledger — a quiet, provable record that you were here, built to outlast the technology it was written on.
Prove
When you need to, share proof that something is yours. Anyone can verify. No file ever needs to leave your hands.
The architecture beneath
Built on the next
generation of trust.
Parable is powered by the Ma'atara Protocol — a patent-pending architecture using post-quantum cryptography certified to the highest international standards. Your identity and data are protected by mathematics that will remain secure for decades, not just years.
Quantum-resistant signatures — every proof you create is protected against future threats, not just today's.
Device-only keys — your cryptographic identity lives only on your hardware. No cloud copy. No server backup.
Zero-knowledge verification — prove authorship without revealing the content. Others verify without seeing your file.
Append-only ledger — your records are chained in order. Nothing can be silently inserted, deleted, or rewritten.
NIST FIPS 202 · 203 · 204 · 197 — ML-DSA · ML-KEM · SHA3-384 · AES-256-GCM
Some moments are long.
Careful observation, recorded in notebooks by patient hands, is the foundation of nearly everything we understand about our place in the cosmos — the macro, the micro, and the strange layers between, most of it still unmapped. May this ledger serve that quiet, indispensable work: the curiosity of individuals, on which humanity's progress, and our own competence, depends.
Start free. Grow when you're ready.
Every plan includes the same core privacy and Aegis provenance allowance. Subscriptions add convenience — storage, devices, desktop apps — not access to Aegis.
Notes
Start free, no account needed
forever · no card · no sign-up hassle
- ✓ Private encrypted notes — only you can read them
- ✓ Sign in on all your devices
- ✓ 200 MB attachment storage
- ✓ Self-service key rotation
Provenance
For the things that matter most
A$120 / yr (save ~17%)
- ✓ Everything in Notes
- ✓ Unlimited attachment storage
- ✓ Desktop apps (Windows + macOS) auto-sign files
- ✓ Priority recovery & key-rotation support
- ✓ Up to 5 devices
Atelier
Studios, researchers, small teams
A$240 / yr (save ~29%)
- ✓ Everything in Provenance
- ✓ Multiple identities from one subscription
- ✓ Public archive for open research
- ✓ Up to 10 devices per identity
Research
Enterprises, institutions, labs
Unlimited · custom terms
- ✓ Unlimited storage, devices & Aegis capsules
- ✓ Up to 50 identities / seats
- ✓ Public archive + audit exports
- ✓ Custom SLAs and onboarding
Yearly plans save up to 29%. No payment screens at sign-up.
Everywhere you create
Parable works in your browser today. Native apps bring the same protection to your phone, your laptop, and the folders where your work already lives.
iPhone
Sign photos straight from your camera roll. Verify anything shared with you. One tap.
Coming soon · TestFlight
Android
Same identity, same proof. Built into the share sheet — sign content from any app.
Coming soon · open beta
Windows
Pick a folder. Every file you save is signed automatically — your creative work accumulates proof in the background.
In development
macOS
Works with iCloud Drive, Dropbox, or any Finder folder. Signing happens locally, silently, continuously.
In development
The mark
A Möbius strip is a higher-dimensional topological reality that hides in plain sight — a surface with only one face and only one edge, defying ordinary intuition while sitting quietly in front of our eyes. The one, represented in a twisted loop.
It is the shape of a single identity that cannot be split, a record that cannot be rewritten, a proof that holds no matter how many times you look at it.
Ma'atara draws from the ancient principle of truth and cosmic order. We built the protocol to carry that weight — something durable enough to stand on, long after the tools around it change.
Find solid ground.
Private when it begins. Proven when it matters. Start protecting the things you make — in under a minute, for free.
Patent pending · Ma'atara Protocol