Chasa.io Demo
Chasa.io Demo
✓ Verified
Certificate ID: DOC-DEMO0001
File: sample-agreement.pdf
Created: Aug 22, 2026, 5:23 AM UTC
SHA-256 fingerprint:
188c5076604a94d1ff8cb1584f7ff8a7702cc7f8e38ac811bb35f5b5adf2c13e
This hash has been submitted for Bitcoin timestamping via OpenTimestamps. Anchoring a batch to the blockchain typically takes a few hours; this page will show "Bitcoin-timestamped" once confirmed.
Drop a file here (or click to choose) to check it against this certificate.
The file is hashed in your browser and never uploaded anywhere.