timestamp
timestampRead-only
Proof of existence: anchor the SHA-256 of any text, file or URL in the Bitcoin blockchain through OpenTimestamps calendars and get the .ots proof file, so anyone can later verify the data existed at that time. Costs $0.01 USDC per call (x402).
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| url | No | ||
| text | No | ||
| sha256 | No | ||
| content_base64 | No |