COMMUNITYVerified
Sellat
Certify the date of your files with qualified timestamps
- Category
- Security
- Launch
- W46 · 2026
- Listed
Product preview
Demo & screenshots
About
Sellat turns digital files into independently verifiable proof of existence, without uploading the original content.
Using SHA-256, Polygon and Bitcoin/OpenTimestamps, Sellat provides verifiable certificates, evidence packages and optional qualified eIDAS timestamps (RFC 3161).
Built for individuals, businesses and AI agents, with a simple web interface, API, MCP integration and autonomous x402 payments.
Trust needs proof.
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Frequently asked questions
- What is Sellat?
- Certify the date of your files with qualified timestamps Sellat turns digital files into independently verifiable proof of existence, without uploading the original content. Using SHA-256, Polygon and Bitcoin/OpenTimestamps, Sellat provides verifiable certificates, evidence packages and optional qualified eIDAS timestamps (RFC 3161). …
- What category is Sellat in?
- Sellat is listed under Security on Launchpadly's weekly startup directory.
- What is Sellat built with?
- Sellat lists Astro, TypeScript, Node.js, Supabase, Polygon, Cloudflare. in its tech stack on Launchpadly.
- Where can I try Sellat?
- Visit the official website from the Sellat listing on Launchpadly, or go directly to https://sellat.app/.
