0.1.0 - ci-build

EUAITransparencyIG - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Extension: EU AI Act Log Integrity Signature

Official URL: http://example.org/fhir/eu-ai-transparency/StructureDefinition/eu-ai-log-integrity Version: 0.1.0
Draft as of 2026-06-18 Computable Name: LogIntegritySignature

Cryptographic signature or verification hash to ensure the integrity, accountability, and non-repudiation of the AI execution audit log.

Context of Use

    This extension may be used on the following element(s)

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension EU AI Act Log Integrity Signature
... extension 0..0 Extension
... url 1..1 uri "http://example.org/fhir/eu-ai-transparency/StructureDefinition/eu-ai-log-integrity"
... value[x] 1..1 Signature Value of extension
.... type 1..* Coding Indication of the reason the entity signed the object(s)
.... when 1..1 instant When the signature was created
.... who 0..1 Reference(Device) Who signed
.... data 1..1 base64Binary The actual signature content (XML DigSig. JWS, picture, etc.)

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension EU AI Act Log Integrity Signature
... id 0..1 id Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://example.org/fhir/eu-ai-transparency/StructureDefinition/eu-ai-log-integrity"
.... id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... type Σ 1..* Coding Indication of the reason the entity signed the object(s)
Binding: SignatureTypeCodes (preferred): An indication of the reason that an entity signed the object.
.... when Σ 1..1 instant When the signature was created
.... who Σ 0..1 Reference(Device) Who signed
.... onBehalfOf Σ 0..1 Reference(Practitioner | PractitionerRole | RelatedPerson | Patient | Device | Organization) The party represented
.... targetFormat 0..1 code The technical format of the signed resources
Binding: MimeTypes (required): BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)
.... sigFormat 0..1 code The technical format of the signature
Binding: MimeTypes (required): BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)
.... data 1..1 base64Binary The actual signature content (XML DigSig. JWS, picture, etc.)

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Signature: Cryptographic signature or verification hash to ensure the integrity, accountability, and non-repudiation of the AI execution audit log.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension EU AI Act Log Integrity Signature
... extension 0..0 Extension
... url 1..1 uri "http://example.org/fhir/eu-ai-transparency/StructureDefinition/eu-ai-log-integrity"
... value[x] 1..1 Signature Value of extension
.... type 1..* Coding Indication of the reason the entity signed the object(s)
.... when 1..1 instant When the signature was created
.... who 0..1 Reference(Device) Who signed
.... data 1..1 base64Binary The actual signature content (XML DigSig. JWS, picture, etc.)

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension EU AI Act Log Integrity Signature
... id 0..1 id Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://example.org/fhir/eu-ai-transparency/StructureDefinition/eu-ai-log-integrity"
.... id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... type Σ 1..* Coding Indication of the reason the entity signed the object(s)
Binding: SignatureTypeCodes (preferred): An indication of the reason that an entity signed the object.
.... when Σ 1..1 instant When the signature was created
.... who Σ 0..1 Reference(Device) Who signed
.... onBehalfOf Σ 0..1 Reference(Practitioner | PractitionerRole | RelatedPerson | Patient | Device | Organization) The party represented
.... targetFormat 0..1 code The technical format of the signed resources
Binding: MimeTypes (required): BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)
.... sigFormat 0..1 code The technical format of the signature
Binding: MimeTypes (required): BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)
.... data 1..1 base64Binary The actual signature content (XML DigSig. JWS, picture, etc.)

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Signature: Cryptographic signature or verification hash to ensure the integrity, accountability, and non-repudiation of the AI execution audit log.

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

Path Status Usage ValueSet Version Source
Extension.value[x].type Base preferred Signature Type Codes 📍5.0.0 FHIR Std.
Extension.value[x].targetFormat Base required Mime Types 📍5.0.0 FHIR Std.
Extension.value[x].sigFormat Base required Mime Types 📍5.0.0 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()