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Climate verification

TerraQura

Turn carbon claims into continuous, replayable evidence.

Project source ↗
DomainClimate verification
FocusMeasurement, assurance, settlement, and disclosure
Research stagePlatform in Testing
Research thesis

Carbon integrity is an evidence-engineering problem before it is a market-design problem.

TerraQura is building verification infrastructure intended to connect physical measurement, methodology checks, issuance, transfer, retirement, and disclosure in one traceable evidence lineage.

Its public programme is a multi-year phased build. The project describes methodology categories as pilot tracks being engineered, not as live registries, issued credit volumes, completed deployments, or regulatory accreditations.

04Architecture layers

Edge, verify, settle, report

04Evidence events

Capture, verify, issue, retire

05Build phases

Foundation through scale

04Initial tracks

Removal, biochar, restoration, industry

The market failure

Annual documents cannot prove a continuous physical process.

Carbon markets ask buyers, assurers, and regulators to trust claims assembled from instruments, satellite observations, operational records, methodology rules, and manual documents that often live in different systems.

When provenance is lost, later assurance becomes a reconstruction exercise. A unit can move through issuance and retirement without an accessible path back to instrument identity, timestamps, calculation choices, counterfactual baselines, anomalies, or reviewer findings.

TerraQura’s thesis is to preserve those dependencies from source to disclosure. The aim is not to make every credit identical, but to make every accepted claim replayable within its declared methodology and evidence boundary.

Biochar plant operator and environmental assurance technician collect, weigh, and seal a process sample beside production equipment
Research visualContinuous assurance begins with instrument context and chain-of-custody at the physical process, not with a retrospective annual document.
Four-layer architecture

From instrument identity to audit package.

Edge

Sensors, SCADA streams, satellite imagery, operator records, and documents become signed evidence with provenance, timestamps, and instrument identity.

Verify

An AI evidence engine is intended to test inputs against methodology bounds and counterfactual baselines, identify anomalies, and produce findings an assurer can replay.

Settle

Accepted units are intended to be issued, transferred, and retired on a permissioned ledger while preserving lineage, counterparty privacy, and the history of every state change.

Report

The evidence graph is translated into audit packs, Article 6 records, and disclosure-oriented outputs for IFRS S2 and ESRS E1 workflows.

Evidence lifecycle

Capture once. Verify against method. Preserve every change.

  1. Capture

    Bind physical observations, operational telemetry, satellite data, laboratory records, and documents to source identity and time.

  2. Verify

    Evaluate completeness, methodology fit, calibration context, baselines, leakage, uncertainty, anomalies, and required reviewer action.

  3. Issue

    Create an eligible unit only after evidence and assurance gates are satisfied, with lineage and permission rules attached.

  4. Retire

    Record the final claim, beneficiary, purpose, and disclosure package so a retired unit cannot be silently reused.

Initial methodology tracks

Four physical systems with different proof burdens.

CDR

Biomass removal and durable storage

Track feedstock, chain of custody, conversion, energy balance, stable carbon fraction, storage conditions, leakage, and permanence evidence.

BCR

Biochar production and application

Connect production parameters, sampling, material analysis, end-use records, and site evidence to the methodology calculation.

NBS

Restoration with rigorous baselines

Combine spatial observation, field sampling, counterfactual land-use models, uncertainty, reversals, and continued monitoring.

IND

Metered industrial reduction

Use calibrated operational data and declared boundaries to distinguish measured reduction from modelling or activity estimates.

Assurance posture

Standards are constraints on the architecture, not badges on the homepage.

Markets
Article 6 · ICVCM CCP

Designed around market integrity and sovereign transfer records.

Quantification
ISO 14064

Method and evidence structures oriented toward greenhouse-gas quantification and reporting.

Assurance
ISO 14065

Reviewer access and replayable findings for validation and verification bodies.

Disclosure
ISSB · CSRD

Evidence packages intended to support IFRS S2 and ESRS E1 reporting workflows.

Security
SOC 2 / ISO 27001 oriented

An engineering orientation, not a claim of current certification.

Phased build

The public plan moves from replayable evidence to sovereign interoperability.

  1. Phase 1
    Foundation

    Methodology and signed evidence

    Build the methodology engine, signed evidence pipeline, replay inspector, and internal ledger.

  2. Phase 2
    Settlement

    Permissioned market infrastructure

    Add counterparty privacy, assurer access, issuance and retirement state, and Article 6 record support.

  3. Phase 3
    Disclosure

    Audit and reporting outputs

    Produce IFRS S2 and ESRS E1 exports, audit packs, and a managed institutional-buyer cohort.

  4. Phase 4
    Sovereign

    Authority controls

    Address data residency, supervisory access, ITMO interoperability, and sovereign registry responsibilities.

  5. Phase 5
    Scale

    Broader methods and bridges

    Expand methodology coverage, throughput, and inter-registry connectivity only after earlier controls are evidenced.