Content provenance questions, answered
Short answers about content labels, the C2PA standard, AI labeling law and pricing. Each one links to the page that goes deeper.
The basics
What does Encypher do?
Encypher puts a signed label on text, images, audio, video and documents such as PDF and Word. The label shows who signed the work, what they declared about AI use, and whether it changed since. Anyone can check it. How the platform works
What does a label prove?
It shows who signed the work, what they declared, including any AI use, and whether it changed since. It does not say the work is true or who owns it. How checking works
What is C2PA?
C2PAC2PA: The Coalition for Content Provenance and Authenticity: the group that publishes the open standard for content labels. is the open standard for content labels. Encypher wrote the part of it that covers plain text. The C2PA standard
How fast can I see it work?
Paste a few lines on the try page and watch them get labeled and checked in under a minute. No account needed. Try it
How labels work
Does a text label survive copy and paste?
It is built from invisible Unicode charactersUnicode: The standard that gives every character in every writing system a number, so text looks the same on every device. that travel with the words when they are copied. Some apps strip them; a check then finds no label, never a wrong one. What a label survives
What if a site strips the label from a file?
The file still works, but the label is gone. If the file also carries a watermarkWatermark: A mark placed in the content itself, visible or hidden, so it can be found again after the file is copied. or a fingerprint, a checker can use it to find the original label. Recover a stripped label
How is this different from an AI detector?
An AI detectorAI detector: A model that guesses whether content was made by AI and returns a probability, not proof. guesses from the content and returns a probability. A label is a signed statement from the publisher, and it either checks or it does not. Labels and detectors compared
Which file types work?
Text, images, audio, video and documents: 75+ formats for signing and verification. Every supported format
Do I need the AI provider's help?
No. You label your own output, and anyone can check it with open tools. How checking works
Labels for AI work
Does Encypher help with EU AI Act Article 50?
Yes. Mark adds the machine-readable markingMachine-readable marking: A label software can read that says content was made or changed by AI. Article 50Article 50: The EU AI Act rule that AI-made content be marked in a form software can read, and deepfakes disclosed. asks for to each AI output and keeps a record you can show. It supports compliance; it does not guarantee it. The Article 50 guide
When does Article 50 apply?
From August 2, 2026 for new AI systems. Systems already on the market have until December 2, 2026. Key dates
What are the penalties under Article 50?
Fines reach EUR 15 million or 3 percent of worldwide annual turnover, whichever is higher (the lower of the two for SMEs). The Article 50 guide
What does California require?
The California AI Transparency ActCalifornia AI Transparency Act: California's law requiring generative AI providers to hide an AI disclosure in the images, video and audio they make or edit, and offer a free tool that reads it. asks covered AI providersProvider: Under the EU AI Act, the company that builds an AI system or puts it on the EU market under its own name. to embed a hidden disclosureLatent disclosure: Under California law, a hidden label inside a file that says which AI system made or changed it and when. in AI images, video and audio and offer a free tool that reads it. SB 1000, approved on September 30, 2026, is in effect now. The California guide
Do I have to change my AI model?
No. You send each output to the APIAPI: Application programming interface: a way for one program to ask another to do a job, such as sign a file. and get it back labeled, or add labels where your content is published. Encypher Mark
Publishers and rights
Do publishers pay to sign their own work?
No. Ordinary human publishing through the free Publisher Program is free and uncapped, within fair use. Your name shows once we accept proof that you own your domain. For publishers
Can a label carry my licensing terms?
Yes. It can carry machine-readable rightsMachine-readable rights: Usage terms written so software can read them, such as whether content may be used for AI training., such as whether AI training is allowed, and they travel with copies that keep the label. Rights management
Does this help with copyright enforcement?
A signed label is evidence of who published what, and when, and it carries your terms with copies that keep it. Legal outcomes depend on the facts and your counsel. The legal side
What is willful infringement?
Copyright infringement done knowingly. US law allows statutory damagesStatutory damages: Damages set by law per infringed work, under 17 U.S.C. 504(c), with no need to prove actual loss. of up to $150,000 per work when it is willful, so notice carried with the content can matter. Ask your counsel. AI and copyright
Pricing
What does checking a label cost?
Nothing. Anyone can check a label, with no account. You pay to mark and track work, never to check it. Check a file
What do labels for AI work cost?
Plans start at $99 a month. The Mark Trial marks 1,000 outputs a month for free. See pricing
Create. Mark. Endure.
Still have a question? See a label made and checked, or ask us.