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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

Video teleconsultation · Sunita D***

Kestrova Gachibowli · issued 4 Oct 2026, 1:08 pm IST · valid to 4 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
Sunita D*** · KSV-HYD-20290
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 · हिन्दी
Notice hash
6ed70ce810c035003d74589c467a427766e21f789a197aa388598e6aa432aed4
Receipt hash
d2ef863c78a67e29565d1cdebefc5bde5abb5e9c6c5274b0743f10e1140f5a0f
Signature
8V1m1GTdxNog0RZCAS0FrybR1B0pdApJ7FFmWqtGOQ5eWlK3sRqRauIWkIpHuZrEUENarQ6y7pZOlWrp30_LBQ
Algorithm and key
Ed25519 · ksv-47c7d4987f3a

Audit chain entries

  1. #260 receipt issued · 4 Oct, 1:08 pm0af00c7d67ea1b0a

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

FHIR endpoint