For creators in the age of generative AI

"I really made this"
Now you can prove it

ORIGINOTE is a service that lets you leave a record of creation on your work. Tell your clients and fans "this is my original work."

Sign with iOS App
Download on theApp Store

C2PA International Standard ・ No credit card required

Never used for AI training
Digital work authentication image
Non-Training Declaration

Uploaded works are never used for AI training. Completely deleted from servers after signing.

NEW Feature

Embed "No AI Training"
into your work

Using C2PA's "c2pa.training-mining" assertion, you can embed your intent that "Please do not use this work for AI training" into the work itself.

International Standard Declaration

Recorded in C2PA format established by Adobe, Microsoft, etc.

Readable from Image

Embedded as metadata, intent can be verified directly from the image

Evidence for Rights

Use as evidence for takedown requests and legal action in case of unauthorized training

Embedded Metadata

{
  "c2pa.training-mining": {
    "c2pa.ai_generative_training": {
      "use": "notAllowed"
    },
    "c2pa.ai_inference": {
      "use": "notAllowed"
    },
    "c2pa.ai_training": {
      "use": "notAllowed"
    },
    "c2pa.data_mining": {
      "use": "notAllowed"
    }
  }
}

C2PA-based no-training assertion

Have you experienced this?

ORIGINOTE can solve these problems

Problem
Unauthorized reposting problem

Unauthorized reposting

Your work was reposted on SNS and you couldn't tell which was the original

Solution
Solution by signature timestamp

Signature timestamp as proof

"When and who signed" is recorded, so whoever signed first can prove they're the original

Problem
Asked for proof problem

Asked for proof

Client asked "Did you really make this?" and you couldn't prove it

Solution
Solution by verification page

Share verification page

Just send the verification page URL. Anyone can check signature info in their browser

Problem
AI doubt problem

Unknown creator era

In the AI era, every work faces the question "Did you really make this?"

Solution
Solution by creator record

Record as creator

Your signature record remains on your account, so you can say "I made this"

How to Use

Complete signing in 5 easy steps

Simple operations for first-timers to sign their works

1
Step 1

Create free account

Registration complete with just email and password. Google login is also available. No credit card required.

  • Register with email
  • Easy login with Google
  • Registration in 30 seconds
Account registration screen
2
Step 2

Upload your work

Click "New Signature" from dashboard. Upload by drag & drop or file selection.

  • Supports JPEG / PNG
  • Up to 20MB upload
  • Easy drag & drop
Work upload screen
3
Step 3

Enter work info

Enter title and description. Turn on AI training prohibition option to embed "Don't use for training" intent.

  • Set title and description freely
  • AI training prohibition option
  • Customize signer name
Work info input screen
4
Step 4

One-click signing

Just click "Sign". C2PA digital signature is automatically applied and signed image is downloaded.

  • Complete with one button
  • Auto-download signed image
  • Processing in seconds
Signing execution screen
5
Step 5

Share verification page

Dedicated verification page is generated. Copy URL or QR code to share with clients or SNS.

  • Dedicated URL issued
  • Easy sharing with QR code
  • Anyone can verify in browser
Verification page sharing screen

30 seconds to create account ・ No credit card

Verification Page to Share

Just send this page to your client

A dedicated verification page is generated for signed works. Just share the URL and anyone can check signature info in their browser.

originote.jp/verify/abc123...
C2PA Signature Verified

Identity Verification Level

High Trust
SMS VerifiedBluesky LinkedKYC Verified
TitleWork title appears here
SignerCreator Name
Signed At2026/01/20 12:34
Protected from AI Training

Pricing Plans

Start with the free plan

Free

¥0/mo

Try it out

  • Up to 5 signatures/month
  • 1 public link
  • Files up to 5MB
Most Popular

Creator

¥700/mo

For serious creators

  • Up to 100 signatures/month
  • Unlimited public links
  • Files up to 20MB
  • No link expiration

Pro

¥1,500/mo

For power users

  • Unlimited signatures
  • Unlimited public links
  • Files up to 50MB
  • Batch signing (up to 10)

FAQ

What is C2PA?

C2PA (Coalition for Content Provenance and Authenticity) is an international standard for proving content origin, established by Adobe, Microsoft, Intel, BBC, and others. It embeds digital signatures in images to detect tampering.

Will uploaded works be used for AI training?

No, absolutely not. ORIGINOTE is a service to protect creators' rights. Uploaded images are never used as training data for AI or machine learning. After signing, images are completely deleted from our servers.

Leave a record of creation on your work

Start now with the free plan. No credit card required.