Content Authenticity
Prove your content is real in a world of AI fakes
The Challenge
Traditional approaches leave gaps in verification and trust
AI-generated content indistinguishable from real
Deepfakes eroding trust in visual media
Content theft and unauthorized derivatives
No way to prove "I created this first"
How CertNode Solves It
Cryptographic proof for every use case
Creation Timestamp
Prove exactly when content was created with RFC3161 legal timestamps
POST /api/v1/registry/register
AI Detection
Analyze content for AI generation markers and manipulation
POST /api/v1/detection/analyze
Human Attestation
Get verified humans to approve and attest to content authenticity
POST /api/v1/attestations/create
Content Fingerprinting
Track derivatives and unauthorized copies across the web
POST /api/v1/fingerprints/create
How It Works
Submit Your Data
Use our API or dashboard to submit your data. We compute a cryptographic hash (SHA-256) that uniquely identifies your content without storing the actual data.
Get Cryptographic Proof
We create a multi-layer proof with ES256 signature, RFC 3161 legal timestamp, and Bitcoin blockchain anchor. All in under 1 second.
Verify Anytime
Get a public verification URL anyone can check. Embed badges in your systems. Export independently verifiable evidence packages when needed.
Simple API Integration
Add cryptographic proof to your content authenticity workflow in minutes
import { CertNode } from '@certnode/sdk'
const certnode = new CertNode({ apiKey: 'cn_...' })
// Create a verified proof
const proof = await certnode.content.create({
data: yourData,
metadata: {
type: 'creation_timestamp',
description: 'Your description here'
}
})
console.log(proof.id) // 'prf_abc123'
console.log(proof.verifyUrl) // 'https://certnode.io/verify/prf_abc123'
console.log(proof.rfc3161) // RFC3161 timestamp token
console.log(proof.bitcoin) // Bitcoin block anchorProtect Your Original Content
Start your 7-day free trial. No credit card required.
API Endpoints
/api/v1/registry/registerView Docs →/api/v1/detection/analyzeView Docs →/api/v1/attestations/createView Docs →/api/v1/fingerprints/createView Docs →