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Data Fiduciary
Kestrova Health · Hyderabad cluster (fictional)
Overview

Synthetic tenant: Kestrova Health (fictional), 448 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.

Registry

Consent receipt

E-pharmacy order · Farhan C***

Kestrova Gachibowli · issued 15 Sep 2026, 6:34 pm IST · valid to 14 Mar 2027 · v1

Verified

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

  • Medicine order and dispensingneeded for the service Granted
  • Share prescription with pharmacyneeded for the service Granted
  • Share address with courierneeded for the service Granted

Who, and how sure

Patient
Farhan C*** · KSV-HYD-20391
Identity
L1 Signed-in app session
Factors
app login otp: simulated in demo
Capture
inline · self-serve · app

What was shown, and the seal

Notice
notice.epharmacy_order v2026-09.1 · हिन्दी
Notice hash
f1d0eb4396e35a8dc4e9ddd85f1cba64150903df9e1e61d41527b6905a6ea23d
Receipt hash
1a685c254754ef5ae37f0fd36c303e7f98cb88b63ffd9234b12f64b04a3fd38a
Signature
dQvaS7crCwEMgS_G_HrVj2ojo1v_JMQwl7LeyDHqKdmWNSSe75tz7ADyI6dSh15DLmmUgQiCWDSMTrCqVJXqCQ
Algorithm and key
Ed25519 · ksv-47c7d4987f3a

Audit chain entries

  1. #117 receipt issued · 15 Sep, 6:34 pm3be3f6a237725242

Each entry hashes the previous one, so removing or editing an entry breaks every entry after it.

FHIR endpoint