Zero-Upload Prior-Art & IP Ownership Timestamp Sealer (SHA-512 + RFC 3161 TSP)

Deterministic Zero-knowledge local SHA-256/SHA-512/BLAKE3 file digest + IETF RFC 3161 Time-Stamp Protocol (TSP) ASN.1 DER CMS token bundler & offline verifier engine (.zip, .pdf, .psd, .wav) built for DigiCert TSA, FreeTSA, GitHub, WIPO Proof Alternative — zero-upload ephemeral Wasm RAM execution.

+ Drop File

Cloudflare Ephemeral Wasm RAM · 0% Retention

DETERMINISTIC VERDICT

Double-click 2.4× zoom · Drag to pan / 3D orbit

Free Deterministic X-Ray Preview

Running ephemeral Wasm verification…

Verified Engineering Output

Instant unlock via Apple Pay / Card (Paddle Merchant of Record) · 1-click automated refund, zero support tickets.

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