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STTF™

Viroway Standards Initiative (VSI)

1. Building the Infrastructure for Trusted Sustainability Data​

The world is entering an era where sustainability decisions, regulatory reporting, carbon accounting, digital product passports, and ESG disclosures increasingly depend on data generated by connected systems.

Despite rapid growth in sustainability technologies, there remains a fundamental challenge:

How can organizations prove that sustainability data is trustworthy, auditable, verifiable, and suitable for regulatory reporting?

The Viroway Standards Initiative (VSI) was established to address this challenge.

VSI develops open standards, certification programs, ontologies, and reference implementations that enable trusted sustainability intelligence across organizations, industries, devices, and software platforms.

Our mission is simple:

Create the global foundation for verifiable sustainability telemetry and trusted ESG intelligence.

**Domain: ** The standards will be published on the domain standards.viroway.org. General description of the initiative will be found under www.viroway.org / viroway.org.

2. Guiding Principles​

All VSI standards are built upon six principles:

2.1. Trust​

Data must be attributable, verifiable, and resistant to tampering.

2.2. Interoperability​

Standards must work across vendors, platforms, devices, and jurisdictions.

2.3. Transparency​

Implementations should provide clear evidence and auditability.

2.4. Scalability​

Standards must support global adoption and enterprise-scale deployments.

2.5. Sustainability​

Frameworks should accelerate sustainability reporting, compliance, and performance improvement.

2.6. Openness​

Specifications are publicly available and may be implemented by any organization.

3. Standards Portfolio​

The Viroway Standards Initiative maintains a growing portfolio of open standards.

3.1. STTF™​

Sustainability Telemetry Trust Framework™

The world's first open framework for verifiable sustainability telemetry.

Purpose:

  • Trusted telemetry
  • Device attestation
  • Evidence generation
  • Audit trails
  • Sustainability metadata
  • Regulatory traceability

Status:

Draft Candidate Standard

3.2. USO™​

Universal Sustainability Ontology™

A common language for sustainability signals, metrics, resources, and ESG concepts.

Purpose:

  • Semantic interoperability
  • Data harmonization
  • Cross-platform sustainability intelligence

Status:

Planned Release

3.3. SSSR™​

Sustainability Signal & Sensor Registry™

A global registry for sustainability telemetry definitions.

Purpose:

  • Signal normalization
  • Device mappings
  • Metadata consistency

Status:

Planned Release

3.4. ZEP™​

ZAYAZ Evidence Protocol™

A framework for sustainability evidence packaging and chain-of-custody management.

Purpose:

  • Evidence transport
  • Digital assurance
  • Audit support

Status:

Concept Stage

4. Sustainability Telemetry Trust Framework (STTF™)​

4.1. Why STTF Exists​

Organizations increasingly rely on telemetry generated by:

  • Energy meters
  • Water meters
  • Environmental sensors
  • Smart buildings
  • Industrial equipment
  • IoT devices

However, existing systems rarely answer:

  • Can this measurement be trusted?
  • Where did it originate?
  • Has it been altered?
  • Is it suitable for regulatory reporting?
  • Can an auditor verify it?

STTF addresses these challenges.

4.2. Core Architecture​

Device
   ↓
Attestation
   ↓
Trust Evaluation
   ↓
Semantic Mapping
   ↓
Evidence Generation
   ↓
Audit Trail
   ↓
ESG Context
   ↓
Reporting Platform

STTF does not replace existing communication standards such as Matter, OPC-UA, BACnet, MQTT, or Modbus.

Instead, STTF provides a trust and sustainability layer above them.

4.3. STTF Capabilities​

Signal Semantics

Transforms raw telemetry into standardized sustainability signals.

Trust Scores

Evaluates confidence and reliability of telemetry.

Device Attestation

Verifies source authenticity and device identity.

Evidence Generation

Creates auditable evidence objects for measurements and events.

Audit Trails

Maintains chain-of-custody and transformation history.

Sustainability Context

Associates telemetry with:

  • Assets
  • Facilities
  • Organizational entities
  • ESG indicators

Regulatory Mapping

Links telemetry to sustainability reporting requirements.

Examples:

  • CSRD
  • ESRS
  • EU Taxonomy
  • GHG Protocol

5. STTF Certification Framework™​

The STTF Certification Framework provides assurance that implementations conform to the specification.

5.1. STTF Compatible™​

Requirements:

  • STTF envelope support
  • Required metadata support
  • Sustainability signal support

Purpose:

Basic interoperability.

5.2. STTF Verified™​

Requirements:

  • Device identity verification
  • Cryptographic signatures
  • Time synchronization validation

Purpose:

Trusted telemetry generation.

5.3. STTF Trusted™​

Requirements:

  • Trust scoring
  • Evidence generation
  • Audit trail support
  • Sustainability metadata

Purpose:

Enterprise-grade sustainability telemetry.

5.4. STTF Assurance™​

Requirements:

  • Independent validation
  • Chain-of-custody verification
  • Assurance-ready reporting support

Purpose:

Regulatory-grade sustainability reporting.

6. Certification Categories​

6.1. Device Certification​

For:

  • Sensors
  • Meters
  • Controllers

Badge:

STTF Device Certified™

6.2. Gateway Certification​

For:

  • Edge gateways
  • Telemetry concentrators
  • Sustainability gateways

Badge:

STTF Gateway Certified™

6.3. Platform Certification​

For:

  • ESG platforms
  • Sustainability systems
  • Data management solutions

Badge:

STTF Platform Certified™

6.4. Audit Certification​

For:

  • Verification platforms
  • Assurance providers
  • Audit repositories

Badge:

STTF Audit Certified™

7. Automated Verification​

VSI standards are designed for automated compliance validation.

Implementations may be evaluated using:

  • Conformance test suites
  • Semantic validation
  • Evidence verification
  • Trust score validation
  • Audit trail reconstruction

This enables continuous verification rather than manual certification reviews alone.

8. VSI Academy​

Training and certification are delivered through:

https://academy.ecoworld.ai

The Academy provides structured learning pathways for:

8.1. Developers​

  • STTF implementation
  • Signal semantics
  • Telemetry integration

8.2. Sustainability Professionals​

  • ESG telemetry
  • Evidence management
  • Regulatory traceability

8.3. Auditors​

  • Trust verification
  • Evidence review
  • Chain-of-custody analysis

8.4. Architects​

  • Enterprise integration
  • Governance
  • Sustainability intelligence systems

9. Reference Implementations​

The Viroway Standards Initiative maintains reference implementations demonstrating practical adoption.

Current reference projects:

9.1. Z-Edge™​

Reference implementation of STTF.

Capabilities:

  • Matter integration
  • MQTT integration
  • OPC-UA integration
  • BACnet integration
  • Trust scoring
  • Evidence generation
  • Sustainability telemetry enrichment

10. Governance​

VSI standards follow a transparent lifecycle.

Proposal
   ↓
Draft
   ↓
Public Review
   ↓
Candidate Standard
   ↓
Release
   ↓
Maintenance

Future working groups may include:

  • Technology providers
  • Device manufacturers
  • Sustainability platforms
  • Auditors
  • Universities
  • Regulatory experts

11. Join the Initiative​

The Viroway Standards Initiative welcomes participation from organizations seeking to advance trusted sustainability intelligence.

Together we can establish the foundations for verifiable sustainability telemetry and trusted ESG data worldwide.

© Viroway Standards Initiative (VSI) Open Standards for Trusted Sustainability Intelligence



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