yistivaTM

from
Invited access Private customer platform
Synthetic sample data

yistivaTM

Quality you can prove.From sample to sign-off.

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yistivaTMmodules

/ QA Program

QA Program

/ Setup

Setup

Workspace administration Data controls

/ People

People

/ Training

Training

/ Work

Work

/ Sample Management

Sample Management

/ Manuals

Manuals

/ Subscription & Billing

Subscription & Billing

QA Program Commercial Scope

Order summary

Annual Yistiva program access is fixed. Sample and shipping charges vary with subscribed methods, frequency, and instrument count.

/ / Release Board

Release Board

Method outages

Detailed release restrictions, overdue QA points, and next corrective actions.

/ / To-Do

To-Do

Priority queue for assigned work, blockers, and follow-up.

Action required

Items owned by the signed-in user or manager role.

Waiting / informational

Read-only items that stay visible while another role owns the next move.

/ / Data Entry

Data Entry

Additional reporting options

Available by custom configuration when test ID, date, instrument ID, operator ID, sample container ID, result, unit, and decimals are mapped correctly.

Last Submission

/ / Run Review

Run Review

# Test Date Instrument Operator Sample Result MR EWMA Status Disposition Observation

/ / Test Detail

Test Detail

Individuals control chart

Recent signals

Asset scope

/ / Continuous Improvement

Continuous Improvement

Priority coaching queue

Selected asset

/ / Ranking

Ranking

Lab ranking

Lab awards and coaching

Operator ranking

Operator awards and coaching

/ / Lab Profile

Lab Profile

Public lab identity

Privacy jurisdiction and consent

/ / Operational Readiness

Operational Readiness

Operator Readiness

Availability, account setup, privacy signoff, and subscribed-method coverage for each live operator record.

Method Coverage

Subscribed-method depth, today's usable bench, and where the lab needs more coverage.

/ / User Setup

User Setup

Lab User Directory

QC manager creates invited users inside this lab workspace. Each invitee receives a setup link, creates a password, and signs their own personal notice before activation.

/ / Lab Calendar

Lab Calendar

Availability record

Vacation, illness, and part-time availability feed schedule reassignment and due-date planning.

Recorded availability

/ / Operator Qualification

Operator Qualification

Qualification workflow

Record required training steps, provisional QA evidence, requalification, and QC manager signoff for each operator-method stream.

/ / Shipping

Shipping

Shipping record

Ship-to identity, carrier handoff, tracking, delivery status, and shipping-document placeholders for the active QA cycle.

Shipment history

/ / Inventory

Inventory

Container custody

Track parent bulk containers and working aliquots with source traceability and split status.

/ / QA Testing Setup

QA Testing Setup

Subscribed tests and cadence

Set QA cadence by subscribed method. Shared DSR support fields stay locked to the parent DSR run.

/ / Equipment

Equipment

Instrument lifecycle

Track break-in, repair, verification evidence, and QC manager return-to-service approval by subscribed method.

/ / Testing Schedule

Testing Schedule

Schedule view

Generated from active subscriptions, configured instruments, authorized operators, availability, and holiday checks.

Operator x instrument coverage

Managers can see immediately whether every eligible operator is rotating across every configured bench.

Generated rota

/ / Method Setup

Method Setup

Method Definition

Keep this page only for per-method standing configuration: instrument names, operator authorization, and read-only precision reference.

Published Precision Reference

Published method precision is shown here as reference and cannot be edited on this page.

Monitoring Basis

Active QA-program defaults are visible here. Advanced policy changes are locked off this screen.

Setup Qualification

QA Program Coverage

/ / CAPA

Corrective and Preventive Action (CAPA)

CAPA Register

Record the requirement not met, objective evidence, immediate containment, cause, action plan, review, and closure evidence for this lab workspace.

Active CAPAs

Raised, under action, or in effectiveness monitoring.

Completed CAPAs

Effectiveness verified and closed by QC manager signoff.

Cancelled CAPAs

Records cancelled with documented reason and retained for traceability.

/ / Reports

Reports

/ / Database

Database

Recommended Architecture

PostgreSQL OLTPCustomers, labs, users, methods, instruments, operators, samples, schedules, subscriptions, raw results, CAPAs, audit.
Object storageCOAs, shipping documents, uploaded CSVs, generated PDF reports, instrument certificates.
Analytics warehouseMaterialized RMSE, peer means, bias/random-error components, operator/instrument rollups, yearly cycle comparisons.
API layerRole-based customer isolation, validation, formula-versioning, and reproducible calculation jobs.
Server-side privacy boundaryConsensus, peer-lab variance, and cross-lab reports are computed on the server; clients receive only authorized aggregate outputs.

/ / Audit Trail

Audit Trail

/ / QA Program Manual

QA Program Manual

Invited access

Sign in to Yistiva

Use your invited Yistiva credentials. Public account creation is disabled.

Yistiva evaluation access

Please acknowledge before you continue

By entering, you (the “Evaluator”) and the organization you represent agree to the following evaluation terms with KAT, provider of Yistiva™:

  1. Evaluation use only. Yistiva is provided solely for time-limited evaluation and demonstration. It is not for production, commercial, QA-release, accreditation, or compliance use, and no operational, quality, or regulatory decision may be based on it.
  2. No real or personal data. All data shown is synthetic. Do not enter or upload any real, confidential, proprietary, or personal data. Your session data is held only transiently and is permanently erased when you sign out or your session ends. KAT does not intentionally collect personal data through this demo and keeps only minimal session and security/audit logs.
  3. Confidentiality. Yistiva and its interfaces, workflows, methodology, calculations, content, and this evaluation are confidential information of KAT. You will not disclose, publish, screenshot, record, or share them with any third party, or use them other than for this evaluation.
  4. Intellectual property. Yistiva — including its software, source and object code, methodology, statistical models, design, and content — is © KAT and its licensors, all rights reserved. No license, right, title, or interest is granted except a limited, revocable, non-exclusive, non-transferable right to access the demo for evaluation.
  5. Restrictions. You will not, and will not permit others to: copy, modify, or create derivative works; reverse-engineer, decompile, disassemble, or attempt to derive source code, models, or methods; rent, sell, sublicense, or redistribute; remove proprietary notices; access it to build or benchmark a competing product; or use any automated means to extract code, data, or methodology.
  6. Authorized access. Access is for the named invitee and their organization’s authorized evaluators only. Credentials are confidential and must not be shared beyond them. KAT may monitor, suspend, expire, or withdraw access at any time, with or without notice.
  7. No warranty. Yistiva is provided “as is” and “as available”, without warranty of any kind, express or implied, including merchantability, fitness for a particular purpose, accuracy, reliability, and non-infringement. Results are illustrative only and may be incomplete or incorrect.
  8. Limitation of liability. To the maximum extent permitted by law, KAT shall not be liable for any direct, indirect, incidental, special, consequential, or punitive damages, or any loss arising from access to or use of (or inability to use) the demo, or any decision made in reliance on it.
  9. Acceptance & changes. Your acceptance (identity, date, and terms version) is recorded. KAT may update these terms; continued access requires acceptance of the then-current version.
  10. Governing law. These terms are governed by the laws of the Czech Republic, without regard to conflict-of-laws rules, and the courts of the Czech Republic have exclusive jurisdiction.

Corrective and Preventive Action (CAPA)

Lab contact information

Update the QC manager contact, shipping phone, and structured destination used for public lab identity and carrier routing.

Privacy notice acknowledgement

Personal privacy notice acknowledgement

Add user

Recall retired ID

User details

Holiday calendar

Shipping and testing schedules avoid weekends and the lab-jurisdiction holiday calendar.

Payment

No payment will be processed in this environment.