Independent verification for digital evidence.

Open evidence format for proving when a file, build artifact, or decision existed — and that it remained unchanged.

RFC 3161 · Ed25519 · SHA-256

Verify Proof

Open a valid verification link or enter a Proof ID below.

NOT FOUND

Proof ID

—

Artifact Hash

—

Sealed At

—

Issuer

ISCProof-compatible issuer

Protocol Stack

Format

ISCProof Evidence Package

Hash

SHA-256

Signature

Ed25519

Time Proof

RFC 3161 compatible

Verification

Offline capable

Independent Local Verification

Verify without trusting BuildSeal, ISCProof.io, or any hosted interface.

curl -L https://github.com/hakannbjk55-afk/Isc-Core/releases/download/v0.2.0/isc_verify -o isc_verify
chmod +x isc_verify
./isc_verify evidence_pack.tar

Open Source Resources

Read Spec Codeberg Download Verifier

Protocol Boundary

ISCProof is the open verification protocol. BuildSeal is one product that can issue ISCProof-compatible evidence. The proof must remain independently verifiable even without the original product, server, repository, or hosted UI.