Free Certification for Emails
Certify for free in the Blockchain the content and attachments of any email.
Try it by adding
stamp@cert.solidnotary.com
as a CC or BCC recipient of any email.
Instantly certify or verify a document
Drag and drop any file here, or browse your device.
What can be timestamped?
Any file can be timestamped!
We accept any file for timestamping: images, videos, audios, PDF documents, Word documents or any custom file format.
Typical use cases/ideas
Prove that the content of a report document already existed on specific date.
Certify that a recorded conversation existed at some point in the past.
Get attribution of an invention even before a patent filing process.
Time-stamp an electronically or hand signed contract to ensure that it existed on certain date.