For Health Systems · EHR Vendors · Pharmacy Networks

The prescription.
The dispensing.
The chart.
The patient.
Proven at every hand.

Yuthent produces the cryptographic record modern healthcare still cannot. Not the prescribing identity alone. Every acting party. The clinician signing the order. The pharmacist dispensing. The patient receiving. The consent that gated a remote chart access. On the device held by the acting human, at the moment of the act. Hash-chained, non-repudiable, admissible in DEA and state board audit. Works at the point of care whether the network is present or not.

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The Problem

Authentication answers who logged in. Healthcare needs the harder answers.

Hospital workflows still run on shared authentication. Computer-on-wheels carts pass between clinicians with cached sessions. Passwords live on sticky notes because infection-control policy forbids touching the keyboard cover twice. Shift handoffs leave terminals unlocked for thirty minutes. The hospital owns the hardware. The hospital owns the credential cache. The hospital does not own a record of who was in the chair at the exact moment a controlled-substance order left the EHR.

The pharmacy counter is a second, quieter gap. A prescription is picked up by whoever presents the card and knows the address. The pharmacist approves the dispense on a terminal a colleague unlocked an hour ago. The DEA receives an audit trail that says a prescription was dispensed. It does not receive cryptographic evidence that the pharmacist of record was present, that the patient of record received, or that the two sides agreed.

After-hours chart access is the third gap, increasingly urgent under modern privacy frameworks. A clinician at home at 2am opens a patient chart from a personal device. The EHR logs the access. The patient learns nothing, or learns months later from a breach notification. HIPAA minimum-necessary is a regulatory intent. The evidence that the doctrine was upheld does not exist in the audit trail.

The common thread: conventional authentication answers one question, who is logged in, while the regulatory and ethical frameworks require answers to harder ones. Who acted. Who received. Whose consent. SSO, EHR session management, and EPCS checkbox flows cannot produce those answers at the specificity the frameworks assume.

The Full Cycle

Three places authentication does not reach. Three places Yuthent does.

Ⅰ

The Mobile-First Clinician

Replace the shared keyboard with the device already in the clinician's pocket.

Every clinician in the enterprise pilot carries their own enrolled smartphone. Not an MDM-managed hospital phone. Not a shared tablet on a cart. The clinician's device. A hardware-bound cryptographic key, generated inside the secure element at enrollment, is the trust anchor. The clinician's biometric, enforced at the device hardware layer, is the act of signing.

The prescribing flow changes shape. The EHR surfaces the order on the clinician's phone. The parameters are visible. The clinician presses. The secure element produces an Authoritative-tier proof bound to the exact order. The hospital workstation never held a password, because it never needed one.

Infection control keeps its hands off the keyboard. Security keeps its reconciliation of who prescribed what, at what moment, on what device. Zero Trust stops being a slogan because the act itself carries the proof.

Shipping

Hardware-bound EC P-256 key in StrongBox, TEE, or Secure Enclave. BYOD or fleet-issued. Offline signing. Admissible under DEA EPCS and 21 CFR Part 11.

Ⅱ

The Cryptographic Handshake at the Pharmacy Counter

Two sides. Two devices. One cryptographic agreement.

The current pharmacy flow is a one-sided assertion. The pharmacist's terminal emits a dispensing record. The patient walks away with a bag. No cryptographic tie connects the two.

The Yuthent pilot flow produces a two-sided record. The pharmacist confirms dispensing on their enrolled device. The patient confirms receipt on theirs. Both presses produce Authoritative-tier proofs. Both proofs enter the hash-chained ledger, bound to the same prescription identifier. A disputed dispense, a controlled-substance reconciliation, or a regulator examining a suspect counter finds a single object: a cryptographic handshake between the two humans who agreed at that counter, at that moment, over that exact prescription.

The pharmacy stops being the quiet blind spot in the prescribing chain. The patient becomes a cryptographic participant in their own care.

Shipping

Dual-enrollment flow. Action-bound payload hash ties the specific prescription into both signatures. Per-actor hash-chained ledger with daily anchors. Exportable to DEA and state board audit.

Ⅲ

Patient-Centric Consent for Remote Chart Access

The patient is the gate, not a line in the audit trail.

A clinician attempts to open a patient chart from outside the hospital network, outside standing care-team relationships, outside approved shift hours. The conventional EHR logs the access and moves on. The Yuthent-configured flow does not let the access proceed.

The control plane routes an Explicit-tier authorization push to the patient's own enrolled device. The patient sees who is requesting. Which chart. Which clinical context. The patient approves with a biometric press, or denies, or lets the request time out. The chart opens if, and only if, the patient has cryptographically consented.

This is the consent model the HIPAA minimum-necessary doctrine assumes and that modern patients increasingly expect. It is no longer aspirational architecture. The primitives ship in the SDK. The flow ships in the enterprise pilot.

Shipping

Push-to-device Explicit-tier approval. Time-boxed scoped grants for the access session. Patient-side revocation immediate and propagated. Webhook stream to SIEM for each consent event.

What Yuthent Actually Ships

The primitives under every clinical use case above.

Offline-first signing and ledger

Enrollment, biometric, and action signing require no network. Proofs hold in a durable on-device queue and sync on reconnection. Field clinics, disaster response, and humanitarian operations share the evidentiary floor of a tertiary urban hospital.

Hash-chained per-actor audit trail

Every Authoritative action is chained to the prior action by the same actor. Altering one record breaks every record after it. Daily tenant anchors. Exportable for DEA audit, state board review, or internal investigation.

Hardware-bound, un-extractable keys

EC P-256 keypairs live inside StrongBox, TEE, or Secure Enclave. The key never leaves the device. A biometric enrollment change cryptographically destroys it. The right to authorize is not transferable by credential sharing.

Push-based Explicit and Authoritative approvals

Action requests route to the acting human's device with the exact parameters. Any modification post-approval invalidates the payload hash. The proof binds to what the human actually saw.

Time-boxed scoped grants

In-person link enrollment, supervised onboarding, remote video enrollment, and delegated access each operate through signed, scoped, time-limited grants. Revocable from the control plane at any moment.

BigQuery export to customer-owned storage

Daily audit export lands in a customer-owned Google Cloud Storage bucket. Retention policy, encryption, and access control owned by the health system, not by Yuthent.

Regulatory Alignment

The evidence each framework asks for.

DEA EPCS

Two factors of independent categories, biometric enforced at the device secure element. Hash-chained audit trail per prescriber. Architected for DEA audit with export through the control plane.

HIPAA Security and Privacy Rules

Authentication and audit controls strengthened well beyond conventional EHR deployments. Per-action non-repudiation. Minimum-necessary access supported by patient-consented Explicit-tier gating on remote chart openings.

21 CFR Part 11

Electronic signatures with unique identification, non-repudiation, and trustworthy audit trails. Hash-chain integrity with daily anchors supports Part 11 audit-trail requirements.

State e-prescribing mandates

Architected for the strictest state requirements for controlled-substance prescribing and clinician-of-record chain-of-custody. Evidence format defensible in state board review.

HITRUST and NIST SP 800-66

Control mappings supported through the control plane's audit export and the per-action cryptographic evidence record.

Alongside Your Stack

Not an EHR. Not a PMS. The evidence layer beneath both.

Yuthent does not replace Epic, Cerner, Allscripts, your internal build, or the pharmacy dispensing system. It is the cryptographic evidence layer beneath all of them. Your clinical system continues to own the record. Yuthent owns the proof.

Integration is a thin service wrapper on the action path. Every high-stakes clinical action produces an exportable receipt. Every consent event produces an exportable receipt. Every deviation lands in the tenant audit view in real time through the control plane and the webhook stream.

Enterprise Pilots

Paid pilots. Named scope. Cryptographic evidence on day one.

Enterprise pilots are the way into Yuthent's healthcare roadmap. A pilot is a paid engagement with a named integration scope, a defined regulatory objective, and a cryptographic evidence target. The first pilot ships on one flow: controlled-substance prescribing, two-sided pharmacy dispensing, or patient-consent-gated chart access.

The control plane is live from day one. The first proofs you see are your own. The first audit export you pull lands in a bucket you own.