DTLtxReceipt is the first data model of the subject Distributed Ledger technologies for
DLTtxReceipt. Description of a DLT receipt storing some of the attributes (keys) of a transaction.
Coming from the EU project Cattle chain.
Validate a payload
python package pysmartdatamodels
pip install pysmartdatamodels
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PR and issues
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data-models** Survey on the Use of Entities in Orion – FIWARE
** fix(sql-schema): stop generating a duplicate "id" column
** fix issue #84 (loading files from base folder)
** issue with HL7/FHIR-R4 models validation : tests failed with "*** schema.json file not found"
** Remove redundant type statement list
** generate_sql_schema - enum clashes
** generate_sql_schema column name wrapping
data-models** fix(sql-schema): stop generating a duplicate "id" column
** fix issue #84 (loading files from base folder)
** Remove redundant type statement list
dataModel.Environment** AirQualityObserved - simplified JSON-LD examples fail JSON Schema validation
** AirQualityObserved SQL schema missing refDevice column
** AirQualityObserved SQL schema - as is a keyword
dataModel.PointOfInterest** feat(PointOfInterest): Add openingHours and openingHoursSpecification properties
** Add field to store POI opening hours information (e.g. openingHours)
dataModel.PointOfInterest** feat(PointOfInterest): Add openingHours and openingHoursSpecification properties
dataModel.Transportation** TrafficFlowObserved - bike vehicle type
dataModel.Device** Proposal: add batteryTemperature to Device model for hardware diagnostics telemetry
** Device SQL schema missing refDeviceModel column
** SQL schema - clashing enums across repositories
** Modbus model - missing SQL schema
** Camera model - SQL schema issue with on column
dataModel.Agrifood** Proposal: canonical PAR attribute naming and unit encoding policy
** Proposal: add stemDiameterVariation attribute in Agrifood models
** Add soilPh and normalize line endings (LF)
dataModel.Agrifood** Add soilPh and normalize line endings (LF)
incubated** add "tractionBatteryCapacity" property (VehicleModel)
** added examples and needed files for all resource types of HL7/FHIR-R4
incubated** add "tractionBatteryCapacity" property (VehicleModel)
** added examples and needed files for all resource types of HL7/FHIR-R4
dataModel.DCAT-AP** SQL schema files - duplicate column names
** feat: add properties to DataService data model
** Extend schemas for Dataset and DataService from 2.1.1 to 3.0.0
dataModel.DCAT-AP** feat: add properties to DataService data model
** Extend schemas for Dataset and DataService from 2.1.1 to 3.0.0
dataModel.ERA** docs: announce the newer ERA ontology v3.3.3 Candidates in the README
Candidates** feat(edint-censo-locales): add 5 candidate models for the commercial census
** feat(edint-gestion-residuos): add 4 candidate models for waste management
** feat(edint-alumbrado-publico): add 12 candidate models for public lighting
** feat(edint-vehiculos-compartidos): add 7 candidate models for shared vehicles
** feat(edint-trafico): add 7 candidate models for the standalone traffic ontology
** feat(edint-suministro): add 5 candidate models for utility supply
** feat(edint-contaminacion-acustica): add NoiseObservation candidate model
** feat(edint-medio-ambiente): add 3 candidate models for environmental sensors
** feat(edint-catastro): add 6 candidate models for the Spanish cadastre
** feat(edint-organizaciones): add Organization candidate model
** feat(edint-fotovoltaica): add 5 candidate models for photovoltaic systems
** feat(edint-aparcamiento): add 5 candidate models for parking
** feat(edint-censo-vehiculos): add Vehicle and Permit candidate models
** feat(edint-zona-regulatoria): add RegulatedZone candidate model
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Candidates updates- Merge pull request #20 from smart-data-models/edint-promocion-comerci… 08/09/2026Merge pull request #20 from smart-data-models/edint-promocion-comercial-candidates feat(edint-promocion-comercial): add 2 candidate models for commercial promotion
- Merge pull request #21 from smart-data-models/edint-oferta-inmobiliar… 08/09/2026Merge pull request #21 from smart-data-models/edint-oferta-inmobiliaria-candidates feat(edint-oferta-inmobiliaria): add RealEstateListing candidate model
- Merge branch 'master' into edint-promocion-comercial-candidates 08/09/2026Merge branch 'master' into edint-promocion-comercial-candidates
- Merge pull request #20 from smart-data-models/edint-promocion-comerci… 08/09/2026
