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PROOF-TRACK

// independent, verifiable proof an email was sent

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v0.1 · [PREVIEW] · Static HTML · Vercel open →

Proof-Track anchors a SHA-256 fingerprint of an outbound email to a public blockchain, so a court, counterparty or auditor can check what was sent and when without trusting the sender or the service. You CC or BCC one address; the message is hashed, the hash is written on-chain, and anyone holding the original can re-hash it and match the record. Only the hash is public. Closed access, by invite.

> CC or BCC one address — no new mail client, no plugin
> Headers, body and attachments hashed; the content never goes on-chain
> Receipts any third party can verify, no account needed
> Closed access — request an invite at proof-track.com

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> screens

The Proof-Track front page: a closed-access badge, the headline 'Independent proof your email was sent', request-access and how-it-works buttons, and a sample proof receipt showing sender, recipient, subject, SHA-256 fingerprint, anchoring block and an independently-verified mark. — front page · a sample proof receipt, with example addresses

The Proof-Track how-it-works section: four steps, send, fingerprint, anchor and verify, above a section on the kinds of messages it is built for. — how it works · send, fingerprint, anchor, verify

> what it does

Proof-Track gives you a send record for email that does not depend on your own logs. Add one Proof-Track address to the messages that matter. Proof-Track reduces the message (headers, body and attachments) to a SHA-256 fingerprint and writes that fingerprint to a public blockchain. The chain’s timestamp becomes a tamper-evident record that this exact message existed at that moment.

Verification needs no account: a third party re-hashes the original email and matches it on-chain. Only the hash is public; the content stays private unless you choose to disclose it.

> built for

>Legal & notices — contract notices, demand letters, lease and termination notices.
>Compliance — disclosures and regulatory correspondence with an independent audit trail.
>Business agreements — quotes, acceptances and change orders: what was offered, and when.

> status

Closed access. Invites and questions go through the request form at proof-track.com.