Sovereign Handover Proof
Fingerprint the exact files handed over—without uploading them.
A local file-handover instrument that fingerprints selected files, records sender, recipient, purpose and reference, then produces a portable handover receipt.
Immediate browser access with downloadable handover receipt and print view.
Product-use support. Customer systems remain the authoritative record and delivery channel.
Files are read locally for SHA-256 calculation and are not uploaded or retained by the product.
Use the instrument.
Complete the workflow below. The useful output is generated in your browser and remains within the stated product boundary.
Record the exchange
0 files registered
Select one or more files to calculate their exact SHA-256 fingerprints.
A bounded job with a usable takeaway.
- Multiple-file local SHA-256 fingerprinting
- Sender, recipient, purpose and reference record
- Portable JSON handover receipt
- Later exact-file comparison by fingerprint
The boundary travels with the product.
- —Does not prove identity, authorship, delivery, intent or truth of content
- —Does not replace the customer's DMS, HSE, SMS or contract process
- —No accredited timestamp or production signing claim
Recombined, not invented from nowhere.
Combines record-version disputes, handover design, mining and maritime record flows, file-integrity packs, controlled release registers and verification lookup into a portable local receipt.