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Data Fiduciary
Kestrova Health · Hyderabad cluster (fictional)
Overview

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.

Registry

Consent receipt

Video teleconsultation · Bhavya R***

Kestrova Gachibowli · issued 24 Oct 2026, 4:46 pm IST · valid to 24 Oct 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

  • Treatment and careneeded for the service Granted
  • Share prescription with pharmacyneeded for the service Granted
  • Recording of consultation Granted
  • Lab test referral Granted

Who, and how sure

Patient
Bhavya R*** · KSV-HYD-20438
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.teleconsult_video v2026-09.1 · తెలుగు
Notice hash
6985c73faa61818d9b2f89331bfca7704cbb23a6b13fe13a6adc6b1043cc87d4
Receipt hash
24546f92e54f863f74ef6a30c1420cf341ba78f4158661a4a632968b8be1da2e
Signature
jcmjeG2XEky2dN1S_n0MfMusMvNay2mab9NUBTka7P_3Ay1w3I7a8cxBYGT5O1Xn90kKpnj9hF7EMofOvUVbCg
Algorithm and key
Ed25519 · ksv-47c7d4987f3a

Audit chain entries

  1. #469 receipt issued · 24 Oct, 4:46 pm629a662762831934

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

FHIR endpoint