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Data Fiduciary
Kestrova Health · Hyderabad cluster (fictional)
Overview

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.

Registry

Consent receipt

E-pharmacy order · Rahul P***

Kestrova Gachibowli · issued 17 Oct 2026, 3:21 pm IST · valid to 15 Apr 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
Rahul P*** · KSV-HYD-20094
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
99637124f39738dda8e0a9015da44d9b40f0ace2055b95886b22ff52ac196284
Signature
IGdTsaiyKck0xsH5nGnF-C-MGB2kHahplLBug-fa8xJdDLfP5_66AvoGvYdmV_q79qIhPDRplQGLPlrZrMThDw
Algorithm and key
Ed25519 · ksv-47c7d4987f3a

Audit chain entries

  1. #390 receipt issued · 17 Oct, 3:21 pm784fb5f8e7d707e7

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

FHIR endpoint