Free Quantum-Resistant Timestamping API (Dual-Signature and Bitcoin)
Show HN: Free Quantum-Resistant Timestamping API (Dual-Signature and Bitcoin)
Free Quantum-Resistant Timestamping API (Dual-Signature and Bitcoin) is active in the show hn launch space.
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SasaSavic.ca recently launched a public cryptographic timestamping service designed to remain verifiable even in a post-quantum world.The platform uses SasaSavic Quantum Shield™, a dual-signature protocol combining classical and post-quantum security.Each submitted SHA-256 hash is: • Dual-signed with ECDSA P-256 and ML-DSA-65 (per NIST FIPS 204) • Anchored to the Bitcoin blockchain via OpenTimestamps • Recorded in a public, verifiable daily ledgerAPI (beta, no auth required): https://sasasavic.ca/beta-api/Example curl request: curl -X POST https://sasasavic.ca/api/v1/beta/timestamp -H "Content-Type: application/json" -d '{"hash":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b8
Within the show hn launch space, the company focuses on its core offering rather than a broad product line.
Directory data places it at the Show HN launch stage.
| Sector | Show HN launch |
|---|---|
| Stage | Show HN launch |
Website: sasasavic.ca/beta-api/Example
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