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Foundry
The Global Risks Index
NXS-GRX Data · Build · on: area of interest submitted

From satellite imagery to a mapped risk product

Search imagery, pass the licence gate, make scenes comparable, detect change, put exposure on H3 cells and publish a spatial risk product as tiles, with every scene and source in its lineage.

Follow the runAll journeys
Page GRX-JRN-GEO-PRODUCTEdition Baseline Edition 2026Evidence close 2026-09-30Jobs 9Values not yet publishedSnapshot 31a753f76
on: area of interest submitted · From satellite imagery to a mapped risk product9 jobs · 2 gates · 5 checks
  1. Area and questioninstant
  2. Search the catalogueinstant
  3. Licence gateautomatic
  4. Make scenes comparable1 hour
  5. Detect change1 hour
  6. Exposure on H3 cells1 hour
  7. Spatial checksautomatic
  8. Analyst review1 day
  9. Publish as tiles and mapinstant
01Build

From satellite imagery to a mapped risk product

Search imagery, pass the licence gate, make scenes comparable, detect change, put exposure on H3 cells and publish a spatial risk product as tiles, with every scene and source in its lineage.

on: area of interest submitted
From satellite imagery to a mapped risk product
In progressTriggered by You9 jobs2 approval gates1 matrix job5 checks1 deployment
Graph
01Find
02Find
03Find
04Prepare
05Analyse
06Analyse
07Check
08Check
09Deliver
100%
Timeline
Job0 h5 h10 h15 h20 h25 hTarget
Area and questionYouinstant
Search the catalogueNXS-GRX run serviceinstant
Licence gateNXS-GRX run serviceinstant
Make scenes comparableNXS-GRX run service1 h
Detect changeNXS-GRX run service1 h
Exposure on H3 cellsNXS-GRX run service1 h
Spatial checksNXS-GRX run serviceinstant
Analyst reviewAnalyst1 d
Publish as tiles and mapNXS-GRX Platforminstant

End to end on the longest path: about 1.1 d of proposed target service levels. Gates wait for the people named; bars with a fading end have no fixed length.

Steps
  1. Area and question
    Find · You · instant
    Draw or upload an area, or pick ADM units · Event window and baseline window · Question: what changed, who and what is exposed
    Geocoder and entity matcher
  2. Search the catalogue
    Find · NXS-GRX run service · instant
    STAC search by area, time and cloud cover · Scenes from the same sensor and processing level · Scene list kept with its query
    Earth-observation pipelineGeocoder and entity matcher
  3. Licence gate approval
    Find · NXS-GRX run service · automatic
    Each source checked in the licence register for the use · Rows under legal review are refused · Attribution and obligations attached
    Licence register
  4. Make scenes comparable
    Prepare · NXS-GRX run service · 1 hour
    Same grid, CRS and resolution · Cloud, shadow and no-data masked · Processing-baseline offsets corrected
    Earth-observation pipeline
  5. Detect change
    Analyse · NXS-GRX run service · 1 hour
    Spectral-index differencing · Damage or change classes with thresholds stated · Masked pixels stay no-data, never zero
    Earth-observation pipelineTested model kernels
  6. Exposure on H3 cells matrix ·
    Analyse · NXS-GRX run service · 1 hour
    Population and assets aggregated to H3 · Totals conserved across resolutions · Change overlaid on exposure
    H3 exposure kernelsTested model kernels
  7. Spatial checks
    Check · NXS-GRX run service · automatic
    CRS and units checked end to end · Withheld features counted · Accuracy assessed on held-out areas
    Verification engineProvenance (W3C PROV)
  8. Analyst review approval
    Check · Analyst · 1 day
    Map and figures reviewed · Limits and confidence written · Approve or send back
    Usage and SLO monitoring
  9. Publish as tiles and map
    Deliver · NXS-GRX Platform · instant
    Vector tiles at ADM and H3 · Map, legend and attribution with the product UNI · Lineage to every scene and source
    Vector tilesPublic cut APINS-1 UNI catalogue
Artifacts
ArtifactJobWhoStage
Area of interestArea and questionYouFind
Scene listSearch the catalogueNXS-GRX run serviceFind
Licence decisionLicence gateNXS-GRX run serviceFind
Analysis-ready pairMake scenes comparableNXS-GRX run servicePrepare
Change rasterDetect changeNXS-GRX run serviceAnalyse
Exposure cellsExposure on H3 cellsNXS-GRX run serviceAnalyse
Check reportSpatial checksNXS-GRX run serviceCheck
Review recordAnalyst reviewAnalystCheck
Spatial risk productPublish as tiles and mapNXS-GRX PlatformDeliver
TilesPublish as tiles and mapNXS-GRX PlatformDeliver
DoneIn progressWaiting for approvalQueuedApproval gateMatrix jobTest jobDeploymentYou are here
Search imagery, pass the licence gate, make scenes comparable, detect change, put exposure on H3 cells and publish a spatial risk product as tiles, with every scene and source in its lineage. The canvas shows where a request stands at the marked job; it is an illustration, not the status of a real request. Durations are proposed target service levels. Select a job for its steps, the people who act, the technology it runs on and what it produces.
02Who it is for

Solutions that use this journey

Open to every reader. This journey is part of the open commons and governance of NXS-GRX.
03Technology

11 components

Each job names the component it runs on; open a job on the canvas for its steps, checks and artifacts.

Geocoder and entity matcherEarth-observation pipelineLicence registerTested model kernelsH3 exposure kernelsVerification engineProvenance (W3C PROV)Usage and SLO monitoringVector tilesPublic cut APINS-1 UNI catalogue

Part of NXS-GRX Data: Observations, indicators and hazard keys from licence-gated sources, harmonised, versioned and traceable to the source release.

Start this journey

Talk to the Secretariat to start this journey with your team.

Contact

Status

The methodology, structure and definitions of The Global Risks Index are a preparatory working draft (2026), circulated for review and comment and not for implementation. No value appears until an edition is released from a governed evidence cut; values then carry intervals, classes, sources and their correction pathway. Simulators run the published methods on numbers you choose and never show a NXS-GRX value.

What NXS-GRX is not

NXS-GRX is research and risk-analytics information. It is not a credit or ESG rating and uses no rating scale, not a benchmark for financial instruments, not official statistics, not an emergency warning or official classification, and not advice. It must not be used to evaluate natural persons. Risk classes are bands on a published scale, never rankings of countries or people.

Institutions and sources

The Nexus Consortium is stewarded by three independent not-for-profit institutions: GCRI Canada as Lead Institution, Consortium Secretariat and lead contracting organization, The Global Risks Forum (GRF) and The Global Risks Alliance (GRA). Technology, infrastructure and service providers work with the Consortium at arm's length under written agreements, like every other external party in the public-private-planet model, and hold no role in its stewardship.

Every value carries the attribution of its sources, which keep their own licences. External names are cited for interoperability only. Nexus-authored text is intended for CC BY 4.0 on release.

Avis en français

La méthodologie et les définitions du NXS-GRX sont un projet de travail préparatoire (2026). Le NXS-GRX est une information de recherche et d'analyse des risques : ni notation, ni indice de référence financier, ni statistique officielle, ni alerte, ni conseil. Les classes de risque sont des bandes sur une échelle publiée, non des classements.