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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 · Vijaya P***

Kestrova Gachibowli · issued 16 Sep 2026, 11:40 am IST · valid to 15 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
Vijaya P*** · KSV-HYD-20201
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 · తెలుగు
Notice hash
41ccf64c10b55e956163704e2b20a269c4fb353d345fa37dba75acd14d2a84fe
Receipt hash
762d7811c959188f6abb7676152c2a39462b457e335d79174542e38438cc6d38
Signature
GkqcCiRhCoaTEHy_pHVhSDA8NfhYzTRs2WoMpFl6QDku_IWPmzh6KExxmRdas5b6EFSdDe5L-QWTwNwYtLnbBA
Algorithm and key
Ed25519 · ksv-47c7d4987f3a

Audit chain entries

  1. #119 receipt issued · 16 Sep, 11:40 am87030d4a39f122af

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

FHIR endpoint