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

: ARex Digest Algorithm Code System - TTL Representation

Draft as of 2026-08-12

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

<http://hl7.org/fhir/CodeSystem/arex-digest-algorithm> a fhir:CodeSystem ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:Resource.id [ fhir:value "arex-digest-algorithm"] ;
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "generated" ] ;
     fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem arex-digest-algorithm</b></p><a name=\"arex-digest-algorithm\"> </a><a name=\"hcarex-digest-algorithm\"> </a><p>This case-sensitive code system <code>https://fhir.onyxhealth.io/us/arex/CodeSystem/arex-digest-algorithm</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">sha-256<a name=\"arex-digest-algorithm-sha-256\"> </a></td><td>SHA-256</td><td>SHA-2 family, 256-bit digest.</td></tr><tr><td style=\"white-space:nowrap\">sha-384<a name=\"arex-digest-algorithm-sha-384\"> </a></td><td>SHA-384</td><td>SHA-2 family, 384-bit digest.</td></tr><tr><td style=\"white-space:nowrap\">sha-512<a name=\"arex-digest-algorithm-sha-512\"> </a></td><td>SHA-512</td><td>SHA-2 family, 512-bit digest.</td></tr></table></div>"
  ] ;
  fhir:CodeSystem.url [ fhir:value "https://fhir.onyxhealth.io/us/arex/CodeSystem/arex-digest-algorithm"] ;
  fhir:CodeSystem.version [ fhir:value "0.1.0"] ;
  fhir:CodeSystem.name [ fhir:value "ARexDigestAlgorithmCS"] ;
  fhir:CodeSystem.title [ fhir:value "ARex Digest Algorithm Code System"] ;
  fhir:CodeSystem.status [ fhir:value "draft"] ;
  fhir:CodeSystem.experimental [ fhir:value "true"^^xsd:boolean] ;
  fhir:CodeSystem.date [ fhir:value "2026-08-12T18:57:15+00:00"^^xsd:dateTime] ;
  fhir:CodeSystem.publisher [ fhir:value "Onyx Technology, LLC"] ;
  fhir:CodeSystem.contact [
     fhir:index 0 ;
     fhir:ContactDetail.name [ fhir:value "Onyx Technology, LLC" ] ;
     fhir:ContactDetail.telecom [
       fhir:index 0 ;
       fhir:ContactPoint.system [ fhir:value "url" ] ;
       fhir:ContactPoint.value [ fhir:value "https://onyxhealth.io" ]
     ]
  ] ;
  fhir:CodeSystem.description [ fhir:value "Cryptographic digest algorithms permitted for ARex content integrity verification. SHA-1 is deliberately excluded."] ;
  fhir:CodeSystem.jurisdiction [
     fhir:index 0 ;
     fhir:CodeableConcept.coding [
       fhir:index 0 ;
       fhir:Coding.system [ fhir:value "urn:iso:std:iso:3166" ] ;
       fhir:Coding.code [ fhir:value "US" ] ;
       fhir:Coding.display [ fhir:value "United States of America" ]
     ]
  ] ;
  fhir:CodeSystem.caseSensitive [ fhir:value "true"^^xsd:boolean] ;
  fhir:CodeSystem.content [ fhir:value "complete"] ;
  fhir:CodeSystem.count [ fhir:value "3"^^xsd:nonNegativeInteger] ;
  fhir:CodeSystem.concept [
     fhir:index 0 ;
     fhir:CodeSystem.concept.code [ fhir:value "sha-256" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "SHA-256" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "SHA-2 family, 256-bit digest." ]
  ], [
     fhir:index 1 ;
     fhir:CodeSystem.concept.code [ fhir:value "sha-384" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "SHA-384" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "SHA-2 family, 384-bit digest." ]
  ], [
     fhir:index 2 ;
     fhir:CodeSystem.concept.code [ fhir:value "sha-512" ] ;
     fhir:CodeSystem.concept.display [ fhir:value "SHA-512" ] ;
     fhir:CodeSystem.concept.definition [ fhir:value "SHA-2 family, 512-bit digest." ]
  ] .

# - ontology header ------------------------------------------------------------

<http://hl7.org/fhir/CodeSystem/arex-digest-algorithm.ttl> a owl:Ontology ;
  owl:imports fhir:fhir.ttl ;
  owl:versionIRI <http://build.fhir.org/CodeSystem/arex-digest-algorithm.ttl> .