Synthetic tenant: Kestrova Health (fictional), 444 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 · Mahesh S***
Kestrova Secunderabad · issued 7 Oct 2026, 9:30 am IST · valid to 5 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 contactWithdrawn
Updates to family contact withdrawn 19 Oct, 8:34 am IST
event 1321a237…86cc- SMS and WhatsApp gateway· stop and eraseacknowledged 19 Oct, 8:37 am
- Nominated family contact removed from update lists
Who, and how sure
- Patient
- Mahesh S*** · KSV-HYD-20228
- Identity
- L2 Mobile OTP + staff witness
- Factors
- mobile otp: checked by serverstaff witness: staff witnessed
- Capture
- ceremony · assisted · kiosk
- Co-signer
- Zoya Varma (daughter)
- Teach-back
- partial · 0.76 · live model · answer hash 8dbab46e0f17
What was shown, and the seal
- Notice
- notice.ipd_admission v2026-09.1 · తెలుగు
- Notice hash
- dc9335ec779c43839810b25d0f8348b781969aa325ec1ac07fe4a6119f1c1039
- Receipt hash
- b005c88165f6a6da29f0e91802a15ed3deb2523160413e04105a952fc62dfaec
- Signature
- 2MUOttj3f5NqR7JqMo3Jwbl5lDJqjLRhkUACoQqHLNTu5F8I2en3fmvlx4FrpNjLUumQ3Eygas-MRScD09k0DA
- Algorithm and key
- Ed25519 · ksv-47c7d4987f3a
Audit chain entries
- #283 receipt issued · 7 Oct, 9:30 amfb5c54bff5ff7426
- #407 withdrawal recorded · 19 Oct, 8:34 amc11a4be349bffdef
- #408 processor acknowledged · 19 Oct, 8:37 amd5c39a7818a777dd
Each entry hashes the previous one, so removing or editing an entry breaks every entry after it.