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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 · Ravi R***

Kestrova Gachibowli · issued 8 Oct 2026, 10:25 am IST · valid to 8 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 referral Granted

Who, and how sure

Patient
Ravi R*** · KSV-HYD-20099
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
3c4cdaa37df889d9b1e4895ca85cbe2869720f7abcc95b38cf8850505449f5cb
Signature
sMvLPRD5cuysXrPKWjtR7NlrSN67Za3l0XjCSRULAAd4q6uplQY5uCQgTTyx-j2fXe6gq3VZcE-EO7bn2nzUCg
Algorithm and key
Ed25519 · ksv-47c7d4987f3a

Audit chain entries

  1. #294 receipt issued · 8 Oct, 10:25 am2f8f525e07bac177

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

FHIR endpoint