What Stelais does
A public record of what you made and when, stored on an independent ledger. You can share it, link to it, point lawyers at it. No one can edit, delete, or revise it including us.
A hidden watermark baked directly into your image not into metadata, which platforms strip on upload. Every image gets a unique pattern derived from its own pixels. Re-export it, crop it, screenshot it, the signature remains.
When Stelais detects a suspected copy, we don't just flag it as similar. We analyze the adversarial fingerprint in your image and classify what the copy has been through minor compression, significant editing, AI regeneration with an integrity score and a map of which regions are intact, degraded, or destroyed.
Your proof record becomes the evidence packet for a § 512(c)(3)-compliant DMCA notice. We look up the platform's DMCA agent, draft the notice, and send it on your behalf backed by your timestamped, cryptographic record.
Three decisions that make Stelais' proof hold up when it matters.
PERMANENCE
Most "proof of authorship" systems store your receipts on their own servers. When the company shuts down, gets bought or exits the receipts go with it. Stelais writes every proof to Arweave, a decentralized storage network designed to last for centuries. Your record lives on infrastructure no single party controls. Not us. Not a hosting provider. Not a regulator. If Stelais disappears tomorrow, your receipts don't.
Every proof includes its Arweave transaction ID. So you can verify it yourself.
THE SIGNATURE
Most watermarks are added to a file a logo, a metadata tag, a hidden block of data. Platforms strip them on upload. Scrapers strip them automatically. Stelais' watermark is different: it's generated from the image's own pixels, so the signature and the content are the same object. You can't remove the watermark without destroying the image it's protecting. Re-encode it, compress it, crop the corners, screenshot it from another screen the signature regenerates from whatever pixels are left.
This is the "content-bound" in "content-bound watermark." Metadata gets stripped. Pixels don't.
THE FORENSIC READ
When other services find a suspected copy of your work, they report a similarity score. A number. Stelais goes further. We check the copy against the adversarial fingerprint embedded in your original, classify what it's been through (minor compression, significant editing, AI regeneration), and give you a region-level readout of which parts are intact, degraded, or destroyed. You don't get "78% similar." You get a structured verdict you can show a platform, a client, or a lawyer.
This is the difference between "they stole it" and "here's what they did to it."
Glaze protects. Verisart proves. Pixsy enforces. Stelais does all three — and does the proof on infrastructure designed to outlast us.
| Capability | Glaze / Nightshade | Verisart | C2PA | Pixsy | Stelais |
|---|---|---|---|---|---|
| Unstrippable watermark baked into pixels | |||||
| AI training defense | |||||
| Permanent, decentralized proof | |||||
| Survives metadata stripping | |||||
| Patch-level tamper detection | |||||
| Web scanning + DMCA |
Every competitor solves one row. Stelais is the only product built across all of them.
From creation to permanent recognition in seconds
Drop your content—any format, any size. We process it locally and never store your files.
We generate a unique cryptographic fingerprint and embed an invisible watermark that survives compression.
Your proof is permanently recorded. Immutable. Verifiable. Forever.
We continuously scan the web for copies of your work. When we find one, your proof record becomes the evidence packet for a DMCA takedown — backed by your timestamped, cryptographic origin record.
Start free. Upgrade when you need more.
10 proofs lifetime · 25MB max file size
100 proofs/month · 250MB max file size
Unlimited proofs · 1024MB max file size
Unlimited proofs · 5120MB max file size
All plans include cryptographic timestamps, invisible watermarking, and public proof pages. Cancel anytime.
In active research
AI training defense. Today's watermark writes your signature into the pixels. It survives everything platforms and thieves typically do to an image. We're extending it to also disrupt how AI models learn from your work, not just how they identify it.
Your fingerprint is generated today. When the next layer ships, everything you've already registered is covered.
The internet has no built-in concept of "I made this first." AI scrapes everything. Imitation is faster than ever. Big brands steal from small creators and face no consequences.
Stelais changes that.
We're building true, permanent provenance for original creators—where every post, project, and idea carries its origin with it.
A future where authorship is respected by default.
Everything you need to know about Stelais
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