- 发布日期 · UTC
- 2026-11-10
- 产品域名
- gepara.com
- 域名后缀
- .com
- 产品方向
- 其他
关于产品
Prove that a photo, video or document existed on a given day and has not changed since. Your file never leaves your device: only its SHA-256 fingerprint is timestamped via OpenTimestamps and anchored in Bitcoin. 3 files a month free; checking is always free.
关键词
blockchainfile prooftimestamp