A software consulting business owner is unable to prove to a client that a delivered file has not been altered, as the client claims issues that the owner cannot reproduce.

Existing methods like manual checksums and screen sharing are cumbersome and do not provide an automated, verifiable trail of file integrity from creation to client opening.

Severity

4High

Willingness to Pay

implied

Added

May 14, 2026

Workarounds Described

Asking client to run checksum in terminal
Using screen sharing to observe client opening file
Scheduling calls with long delays to reduce support load

Implied Software Gaps

Automated file integrity verification that does not require client technical skills
Centralized dashboard for dispute resolution with evidence logs
Client-proof verification workflow integrated into delivery process

App Concept

Integrity Proof

Integrity Proof is a cloud-based platform that automatically generates and logs cryptographic hashes at each stage of file delivery—creation, sending, and client receipt—with a client-side verification widget. It eliminates disputes by providing a tamper-evident audit trail and one-click client verification.

Key Features

Automatic checksum generation on file creation and at send time
Client-side verification browser widget that computes hash without installation
Centralized audit dashboard with timestamps and hash logs
Integration with email and file transfer services for automatic logging

Target Users: Small to mid-size software consulting and digital product firms that deliver files to clients and need to prove file integrity.

Revenue Model: Freemium with $49/mo pro tier for 100 verifications per month and advanced audit exports.

Existing Solutions Mentioned

checksumscreen sharingterminal

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