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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 · Uma R***

Kestrova Gachibowli · issued 21 Oct 2026, 8:54 pm IST · valid to 21 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 consultationRefused
  • Lab test referralRefused

Who, and how sure

Patient
Uma R*** · KSV-HYD-20148
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 · English
Notice hash
81a18033e3fad7f2e2c8cd5d8e8dd84db69071fd3709d804f6b7993440c56ce6
Receipt hash
26d744078519cf0e06f242854c22e614b12725d9427d78b02d557c2e75b378d3
Signature
TWg9NI2qCtfc8-8jnrilvocIsv9A3LWiu12qYY1IlI4Zqq6wOnK3cQhtoxJiRlpn7eQiUzAUGAJyRQYP-gVDAQ
Algorithm and key
Ed25519 · ksv-47c7d4987f3a

Audit chain entries

  1. #440 receipt issued · 21 Oct, 8:54 pm753ce96b3e18d9fb

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

FHIR endpoint