Verify any invoice.
Prove it's real.
Aluchin timestamps your documents on Hedera's public ledger. Tamper-proof. Instant. Free to try.
Upload Invoice
invoice_march_2026.pdf
SHA-256 Hash + Hedera Timestamp
Anchored to public ledger in 3-5 seconds
Verified
Share link — anyone can confirm authenticity
Three steps. That's it.
No blockchain knowledge required. No wallet needed. Just upload, verify, and share.
Upload
Upload any invoice, receipt, contract, or document. We accept PDF, images, and all common file types.
Hash & Timestamp
We create a SHA-256 fingerprint of your document and anchor it to Hedera's public ledger with a consensus timestamp.
Share & Verify
Get a verification link. Anyone can confirm the document is authentic and unmodified — no account needed.
Built for trust. Priced for everyone.
Traditional notarization costs $25+. We start at free.
Tamper-proof
If even one pixel changes, verification fails. Powered by SHA-256 hashing and Hedera's immutable ledger.
Instant
3-5 second finality on Hedera's network. Your document is verified before you finish reading this sentence.
Affordable
Free tier included. Paid plans start at $10/mo. A fraction of the cost of traditional notarization.
No crypto needed
Verifiers don't need a wallet, an account, or any blockchain knowledge. Just a link and the original file.
API-first
One endpoint. Integrate document verification into any app, accounting tool, or workflow in minutes.
Privacy-first
We never store your documents. Only the cryptographic hash goes on-chain. Your files stay yours.
Who is this for?
Anyone who needs to prove a document existed, unmodified, at a specific point in time.
Freelancers
Prove your invoice existed before a payment dispute. Never lose an argument over what was agreed.
Small Businesses
Audit-ready proof for every transaction. Show any auditor or tax authority the unaltered original.
Accountants
Verify client documents haven't been altered. Add blockchain-backed integrity to your practice.
Developers
Add document verification to any app with a single API call. Build trust into your product.
Simple, transparent pricing
Start free. Scale as you grow. No hidden fees.
Free plan uses Hedera's test network. Testnet data may be reset at any time and is not suitable for production use. Upgrade for permanent verifications on Hedera mainnet.
Powered by Hedera Hashgraph
Enterprise-grade distributed ledger governed by Google, IBM, Boeing, and 30+ global companies.
One endpoint. That's all you need.
// Verify a document with one API call const response = await fetch('https://api.aluchin.com/v1/verify', { method: 'POST', headers: { 'x-api-key': 'sk_live_your_key', 'Content-Type': 'application/json' }, body: JSON.stringify({ file: base64Data }) }); const result = await response.json(); // { // verification_url: "https://aluchin.com/v/abc123", // timestamp: "2026-02-09T14:32:01.000Z", // hedera_tx: "0.0.12345@1707489121", // hash: "a3f2b8c9d4e5..." // }
Integrate in minutes, not months
A single POST request. A JSON response. That's the entire integration. No SDKs to install, no blockchain nodes to run, no crypto to manage.
- RESTful API with JSON responses
- Webhook notifications on verification
- Verification links work without login
- Documentation coming soon
Try it now
Check if a document has been verified, or test the flow on Hedera's testnet. Free, instant, no signup.
Drag & drop a file here
or to select
Checking document...
is now secured
Your document's unique fingerprint has been permanently recorded on Hedera's public ledger. Anyone with the proof link can verify it hasn't been changed.
View blockchain receipt
is not yet on the blockchain
Be the first to verify this document. Create a tamper-proof record now.
Testnet is a free test environment. For real, permanent verifications, choose a plan to use Hedera mainnet.
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