FHIR IG analytics| Package | fhir.ig.trust.aitransparency |
| Resource Type | StructureDefinition |
| Id | StructureDefinition-trust-ai-log-integrity.json |
| FHIR Version | R5 |
| Source | https://build.fhir.org/ig/HL7Austria/AIST-TrustworthyAI-R5/StructureDefinition-trust-ai-log-integrity.html |
| URL | http://example.org/fhir/trust-ai-transparency/StructureDefinition/trust-ai-log-integrity |
| Version | 0.1.0 |
| Status | draft |
| Date | 2026-09-28T06:36:08+00:00 |
| Name | LogIntegritySignature |
| Title | Trust AI Log Integrity Signature |
| Realm | us |
| Authority | hl7 |
| Description | Provides a digital signature and associated metadata to support verification of the integrity and origin of the AI execution audit record. |
| Type | Extension |
| Kind | complex-type |
| StructureDefinition | ||
| fhir.ig.trust.aitransparency#current | trust-ai-machine-execution-audit-event | Trust AI Execution Audit Event |
No resources found
Note: links and images are rebased to the (stated) source
Generated Narrative: StructureDefinition trust-ai-log-integrity
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Extension | 0..* | Extension | Trust AI Log Integrity Signature | |
  extension | 0..0 | Extension | ||
| url | 1..1 | uri | "http://example.org/fhir/trust-ai-transparency/StructureDefinition/trust-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 | |
| sigFormat | 1..1 | code | The technical format of the signature | |
| data | 1..1 | base64Binary | The actual signature content (XML DigSig. JWS, picture, etc.) | |
| Documentation for this format | ||||
FHIR
FHIRsmith{
"resourceType": "StructureDefinition",
"id": "trust-ai-log-integrity",
"text": {
"status": "extensions",
"div": "<!-- snip (see above) -->"
},
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
"valueCode": "can-bind"
}
],
"url": "http://example.org/fhir/trust-ai-transparency/StructureDefinition/trust-ai-log-integrity",
"version": "0.1.0",
"name": "LogIntegritySignature",
"title": "Trust AI Log Integrity Signature",
"status": "draft",
"date": "2026-09-28T06:36:08+00:00",
"publisher": "Selina Adlberger",
"description": "Provides a digital signature and associated metadata to support verification of the integrity and origin of the AI execution audit record.",
"fhirVersion": "5.0.0",
"mapping": [
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM Mapping"
}
],
"kind": "complex-type",
"abstract": false,
"context": [
{
"type": "element",
"expression": "AuditEvent"
}
],
"type": "Extension",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
"derivation": "constraint",
"snapshot": {
"extension": [
{
"url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString": "5.0.0"
}
],
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "Trust AI Log Integrity Signature",
"definition": "Provides a digital signature and associated metadata to support verification of the integrity and origin of the AI execution audit record.",
"min": 0,
"max": "*",
"base": {
"path": "Extension",
"min": 0,
"max": "*"
},
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false
},
{
"id": "Extension.id",
"path": "Extension.id",
"representation": [
"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "id"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"condition": [
"ele-1"
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension",
"path": "Extension.extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
},
"short": "Extension",
"definition": "An Extension",
"min": 0,
"max": "0",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false
},
{
"id": "Extension.url",
"path": "Extension.url",
"representation": [
"xmlAttr"
],
"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"min": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "uri"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"fixedUri": "http://example.org/fhir/trust-ai-transparency/StructureDefinition/trust-ai-log-integrity",
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"short": "Value of extension",
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R5/extensibility.html) for a list).",
"min": 1,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Signature"
}
],
"condition": [
"ext-1"
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x].id",
"path": "Extension.value[x].id",
"representation": [
"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "id"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"condition": [
"ele-1"
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.value[x].extension",
"path": "Extension.value[x].extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
},
"short": "Additional content defined by implementations",
"definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
"alias": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.value[x].type",
"path": "Extension.value[x].type",
"short": "Indication of the reason the entity signed the object(s)",
"definition": "An indication of the reason that the entity signed this document. This may be explicitly included as part of the signature information and can be used when determining accountability for various actions concerning the document.",
"comment": "Examples include attesting to: authorship, correct transcription, and witness of specific event. Also known as a "Commitment Type Indication".",
"min": 1,
"max": "*",
"base": {
"path": "Signature.type",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Coding"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true,
"binding": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "SignatureType"
}
],
"strength": "preferred",
"description": "An indication of the reason that an entity signed the object.",
"valueSet": "http://hl7.org/fhir/ValueSet/signature-type|5.0.0"
}
},
{
"id": "Extension.value[x].when",
"path": "Extension.value[x].when",
"short": "When the signature was created",
"definition": "When the digital signature was signed.",
"comment": "This should agree with the information in the signature.",
"min": 1,
"max": "1",
"base": {
"path": "Signature.when",
"min": 0,
"max": "1"
},
"type": [
{
"code": "instant"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true
},
{
"id": "Extension.value[x].who",
"path": "Extension.value[x].who",
"short": "Who signed",
"definition": "A reference to an application-usable description of the identity that signed (e.g. the signature used their private key).",
"comment": "This should agree with the information in the signature.",
"min": 0,
"max": "1",
"base": {
"path": "Signature.who",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Reference",
"targetProfile": [
"http://hl7.org/fhir/StructureDefinition/Device"
]
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true
},
{
"id": "Extension.value[x].onBehalfOf",
"path": "Extension.value[x].onBehalfOf",
"short": "The party represented",
"definition": "A reference to an application-usable description of the identity that is represented by the signature.",
"comment": "The party that can't sign. For example a child.",
"requirements": "used when the signature is on behalf of a non-signer.",
"min": 0,
"max": "1",
"base": {
"path": "Signature.onBehalfOf",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Reference",
"targetProfile": [
"http://hl7.org/fhir/StructureDefinition/Practitioner|5.0.0",
"http://hl7.org/fhir/StructureDefinition/PractitionerRole|5.0.0",
"http://hl7.org/fhir/StructureDefinition/RelatedPerson|5.0.0",
"http://hl7.org/fhir/StructureDefinition/Patient|5.0.0",
"http://hl7.org/fhir/StructureDefinition/Device|5.0.0",
"http://hl7.org/fhir/StructureDefinition/Organization|5.0.0"
]
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true
},
{
"id": "Extension.value[x].targetFormat",
"path": "Extension.value[x].targetFormat",
"short": "The technical format of the signed resources",
"definition": "A mime type that indicates the technical format of the target resources signed by the signature.",
"comment": "\"xml\", \"json\" and \"ttl\" are allowed, which describe the simple encodings described in the specification (and imply appropriate bundle support). Otherwise, mime types are legal here.",
"min": 0,
"max": "1",
"base": {
"path": "Signature.targetFormat",
"min": 0,
"max": "1"
},
"type": [
{
"code": "code"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"binding": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "MimeType"
}
],
"strength": "required",
"description": "BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)",
"valueSet": "http://hl7.org/fhir/ValueSet/mimetypes|5.0.0"
}
},
{
"id": "Extension.value[x].sigFormat",
"path": "Extension.value[x].sigFormat",
"short": "The technical format of the signature",
"definition": "A mime type that indicates the technical format of the signature. Important mime types are application/signature+xml for X ML DigSig, application/jose for JWS, and image/* for a graphical image of a signature, etc.",
"min": 1,
"max": "1",
"base": {
"path": "Signature.sigFormat",
"min": 0,
"max": "1"
},
"type": [
{
"code": "code"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false,
"binding": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "MimeType"
}
],
"strength": "required",
"description": "BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)",
"valueSet": "http://hl7.org/fhir/ValueSet/mimetypes|5.0.0"
}
},
{
"id": "Extension.value[x].data",
"path": "Extension.value[x].data",
"short": "The actual signature content (XML DigSig. JWS, picture, etc.)",
"definition": "The base64 encoding of the Signature content. When signature is not recorded electronically this element would be empty.",
"comment": "Where the signature type is an XML DigSig, the signed content is a FHIR Resource(s), the signature is of the XML form of the Resource(s) using XML-Signature (XMLDIG) \"Detached Signature\" form.",
"min": 1,
"max": "1",
"base": {
"path": "Signature.data",
"min": 0,
"max": "1"
},
"type": [
{
"code": "base64Binary"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": false
}
]
},
"differential": {
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "Trust AI Log Integrity Signature",
"definition": "Provides a digital signature and associated metadata to support verification of the integrity and origin of the AI execution audit record."
},
{
"id": "Extension.extension",
"path": "Extension.extension",
"max": "0"
},
{
"id": "Extension.url",
"path": "Extension.url",
"fixedUri": "http://example.org/fhir/trust-ai-transparency/StructureDefinition/trust-ai-log-integrity"
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"min": 1,
"type": [
{
"code": "Signature"
}
]
},
{
"id": "Extension.value[x].type",
"path": "Extension.value[x].type",
"min": 1
},
{
"id": "Extension.value[x].when",
"path": "Extension.value[x].when",
"min": 1
},
{
"id": "Extension.value[x].who",
"path": "Extension.value[x].who",
"type": [
{
"code": "Reference",
"targetProfile": [
"http://hl7.org/fhir/StructureDefinition/Device"
]
}
]
},
{
"id": "Extension.value[x].sigFormat",
"path": "Extension.value[x].sigFormat",
"min": 1
},
{
"id": "Extension.value[x].data",
"path": "Extension.value[x].data",
"min": 1
}
]
}
}