Synthetic tenant: Kestrova Health (fictional), 443 receipts. Sixty days of activity are generated deterministically and anchored to the current hour, so expiry and breach clocks are live. Every receipt is signed at load with Ed25519 key ksv-47c7d4987f3a and re-verified by the same code the public verify API runs. Consents you sign in the patient journeys appear at the top of the registry, held only in your browser.
Consent receipt
Inpatient admission · Sunita R***
Kestrova Secunderabad · issued 18 Oct 2026, 6:27 pm IST · valid to 16 Apr 2027 · v1
The hash recomputed from the stored content equals the stored hash, and the Ed25519 signature over that hash checks out against the published key.
Purposes on this receipt
- Treatment and careneeded for the service Granted
- Diagnostic lab sharingneeded for the service Granted
- Insurance and TPA sharing Granted
- Updates to family contactRefused
Who, and how sure
- Patient
- Sunita R*** · KSV-HYD-20285
- Identity
- L2 ABHA-linked mobile OTP
- Factors
- abha link: simulated in demomobile otp: checked by server
- Capture
- ceremony · self-serve · kiosk
- Teach-back
- understood · 0.90 · rubric · answer hash 56535e37baff
What was shown, and the seal
- Notice
- notice.ipd_admission v2026-09.1 · English
- Notice hash
- 184343f127d606bac817839ad706047b3e836af926c539bb81fa4c2661c253bf
- Receipt hash
- c8cf569c81e6ab80f98724b0e36b0ef01c4509b874fe27d012bfe4314f84298b
- Signature
- 9AOHnQfliQBiWU-CMlZTDhHGTgyaDjexUoDcNq59fSkqCzjE7iEs0lDqf7vMLg8DPVwBqQkXsCZ-RDBQ1ATQBA
- Algorithm and key
- Ed25519 · ksv-47c7d4987f3a
Audit chain entries
- #402 receipt issued · 18 Oct, 6:27 pm27a20bf831129f19
Each entry hashes the previous one, so removing or editing an entry breaks every entry after it.