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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 · Kavya C***

Kestrova Gachibowli · issued 5 Oct 2026, 3:31 pm IST · valid to 5 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 referralRefused

Who, and how sure

Patient
Kavya C*** · KSV-HYD-20443
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
6152d500db482c74d688b93b09d8d030047f964897026beb15fc6e7457da1b42
Signature
JTNWuDB0odHla-YhxmsyFO6Ux7q7jXElXMziI5U4vj5M13v96IEbD4ctzs54EBroJABDu4k1wJiXEjZ2mKLBBQ
Algorithm and key
Ed25519 · ksv-47c7d4987f3a

Audit chain entries

  1. #273 receipt issued · 5 Oct, 3:31 pm0f46a40ca3772b9c

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

FHIR endpoint