@prefix ex: <https://example.org/modavis/virtual-organ/> .
@prefix modavis: <https://w3id.org/modavis/ontology/core#> .
@prefix modaudio: <https://w3id.org/modavis/ontology/audio#> .
@prefix modevidence: <https://w3id.org/modavis/ontology/evidence#> .
@prefix modinst: <https://w3id.org/modavis/ontology/instrument#> .
@prefix modmedia: <https://w3id.org/modavis/ontology/media#> .
@prefix modmidi: <https://w3id.org/modavis/ontology/midi#> .
@prefix modprov: <https://w3id.org/modavis/ontology/provenance#> .
@prefix modvmi: <https://w3id.org/modavis/ontology/virtual-instrument#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix checksum: <https://w3id.org/modavis/vocab/checksum-algorithm/> .
@prefix compatstatus: <https://w3id.org/modavis/vocab/compatibility-status/> .
@prefix evidencerole: <https://w3id.org/modavis/vocab/evidence-role/> .
@prefix insttype: <https://w3id.org/modavis/vocab/instrument-type/> .
@prefix repstatus: <https://w3id.org/modavis/vocab/representation-status/> .
@prefix vmiproduction: <https://w3id.org/modavis/vocab/virtual-instrument-production-method/> .
@prefix vmisource: <https://w3id.org/modavis/vocab/virtual-instrument-source-relation/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# Physical source identity and the state actually sampled.
ex:source-organ a modinst:MusicalInstrument ;
  modavis:canonicalLabel "Example physical source pipe organ"@en ;
  modinst:instrumentType insttype:pipe-organ ;
  modinst:hasState ex:source-organ-state-2025 .

ex:source-organ-state-2025 a modinst:InstrumentState ;
  modinst:stateOf ex:source-organ ;
  modavis:validDuring ex:capture-date .

ex:capture-date a modavis:TimeSpan ;
  modavis:startDate "2025-06-14"^^xsd:date ;
  modavis:endDate "2025-06-14"^^xsd:date .

# Playable instrument identity, stable product identity, version, and package.
ex:playable-organ a modvmi:VirtualMusicalInstrument, modmedia:DigitalSurrogate ;
  modavis:canonicalLabel "Example sampled virtual pipe organ"@en ;
  modinst:instrumentType insttype:virtual-musical-instrument, insttype:pipe-organ ;
  modmedia:representationOf ex:source-organ ;
  modmedia:representationStatus repstatus:captured .

ex:product a modvmi:VirtualInstrumentProduct ;
  modavis:canonicalLabel "Example Organ Library"@en ;
  modvmi:realizesInstrument ex:playable-organ ;
  modvmi:hasVersion ex:version-1 .

ex:version-1 a modvmi:VirtualInstrumentVersion ;
  modvmi:versionOfProduct ex:product ;
  modvmi:versionLabel "1.0.0" ;
  modvmi:releaseDate "2026-08-23"^^xsd:date ;
  modvmi:implementsInstrument ex:playable-organ ;
  modvmi:productionMethod vmiproduction:sampled ;
  modvmi:hasPackage ex:package-1 ;
  modvmi:hasCompatibilityStatement ex:host-compatibility ;
  modvmi:hasSourceRelation ex:source-relation ;
  modaudio:usesPlaybackParameters ex:principal-c4-playback ;
  modaudio:hasTuningMap ex:tuning-map .

ex:package-1 a modvmi:VirtualInstrumentPackage, modmedia:Bitstream ;
  modvmi:packageOfVersion ex:version-1 ;
  modmedia:mediaType "application/zip" ;
  modmedia:byteSize "24576000"^^xsd:nonNegativeInteger ;
  modmedia:contentUrl "https://example.org/download/example-organ-1.0.0.zip"^^xsd:anyURI ;
  modmedia:hasChecksum ex:package-checksum .

ex:package-checksum a modevidence:Checksum ;
  modevidence:checksumAlgorithm checksum:sha-256 ;
  modevidence:checksumValue "1111111111111111111111111111111111111111111111111111111111111111" .

ex:host-compatibility a modvmi:CompatibilityStatement ;
  modvmi:compatibilityVersion ex:version-1 ;
  modvmi:compatibilityTarget <https://example.org/runtime/host-2.4> ;
  modvmi:compatibilityStatus compatstatus:compatible ;
  modvmi:hasEvidenceRelation ex:compatibility-evidence .

# The source claim is qualified and evidence-backed; it is not owl:sameAs.
ex:source-relation a modvmi:InstrumentSourceRelation ;
  modvmi:sourceRelationSubject ex:version-1 ;
  modvmi:sourceInstrument ex:source-organ ;
  modvmi:sourceState ex:source-organ-state-2025 ;
  modvmi:sourceRelationType vmisource:sampled-from ;
  modvmi:sourceConfidence "1.0"^^xsd:decimal ;
  modvmi:hasEvidenceRelation ex:source-evidence .

ex:source-record a modevidence:SourceResource ;
  modevidence:sourceUri "https://example.org/documentation/capture-log"^^xsd:anyURI .

ex:source-snapshot a modevidence:SourceSnapshot ;
  modevidence:snapshotOf ex:source-record ;
  modevidence:hasChecksum ex:source-snapshot-checksum ;
  modevidence:snapshotCapturedAt "2025-06-14T18:05:00+02:00"^^xsd:dateTime ;
  modevidence:snapshotCapturedBy ex:source-documentation-capture .

ex:source-snapshot-checksum a modevidence:Checksum ;
  modevidence:checksumAlgorithm checksum:sha-256 ;
  modevidence:checksumValue "2222222222222222222222222222222222222222222222222222222222222222" .

ex:source-documentation-capture a modprov:DigitizationActivity ;
  prov:wasAssociatedWith ex:capture-documentarian ;
  prov:used ex:source-record .

ex:capture-documentarian a modavis:Person ;
  modavis:canonicalLabel "Example capture documentarian"@en .

ex:source-fragment a modevidence:SourceFragment ;
  modevidence:fragmentOf ex:source-snapshot ;
  modevidence:hasSelector ex:source-selector .

ex:source-selector a modevidence:Selector ;
  modevidence:selectorValue "page=3;lines=4-12" ;
  modevidence:selectorConformsTo <https://www.w3.org/TR/annotation-model/> .

ex:source-evidence a modevidence:EvidenceRelation ;
  modevidence:evaluates ex:source-relation ;
  modevidence:usesFragment ex:source-fragment ;
  modevidence:evidenceRole evidencerole:supporting ;
  modevidence:extractionConfidence "1.0"^^xsd:decimal .

ex:compatibility-evidence a modevidence:EvidenceRelation ;
  modevidence:evaluates ex:host-compatibility ;
  modevidence:usesFragment ex:source-fragment ;
  modevidence:evidenceRole evidencerole:supporting ;
  modevidence:extractionConfidence "1.0"^^xsd:decimal .

# A fixed sample, exact source-clock intervals, loop decision, and playback map.
ex:principal-c4 a modaudio:AudioSample, modmedia:Bitstream, modmedia:DigitalRepresentation ;
  modaudio:sampleRate "96000.0"^^xsd:decimal ;
  modaudio:channelCount "2"^^xsd:positiveInteger ;
  modaudio:totalFrames "960000"^^xsd:positiveInteger ;
  modmedia:mediaType "audio/wav" ;
  modmedia:byteSize "5760000"^^xsd:nonNegativeInteger ;
  modmedia:representationStatus repstatus:captured ;
  modmedia:representationOf ex:source-organ-state-2025 ;
  modmedia:hasChecksum ex:sample-checksum ;
  modaudio:extractedFromRegion ex:principal-c4-extraction .

ex:sample-checksum a modevidence:Checksum ;
  modevidence:checksumAlgorithm checksum:sha-256 ;
  modevidence:checksumValue "3333333333333333333333333333333333333333333333333333333333333333" .

ex:principal-c4-extraction a modaudio:SampleExtractionRegion ;
  modaudio:appliesToSignal ex:capture-master ;
  modaudio:startFrameInclusive "96000"^^xsd:nonNegativeInteger ;
  modaudio:endFrameExclusive "1056000"^^xsd:positiveInteger ;
  modaudio:assignmentMethod <https://example.org/audio-assignment-method/documented> ;
  modaudio:assignmentConfidence "1.0"^^xsd:decimal .

ex:capture-master a modaudio:AudioSignal, modmedia:DigitalRepresentation ;
  modaudio:sampleRate "96000.0"^^xsd:decimal ;
  modaudio:channelCount "2"^^xsd:positiveInteger ;
  modaudio:totalFrames "1200000"^^xsd:positiveInteger ;
  modmedia:mediaType "audio/wav" ;
  modmedia:representationStatus repstatus:captured ;
  modmedia:representationOf ex:source-organ-state-2025 .

ex:principal-c4-loop a modaudio:SustainLoopRegion ;
  modaudio:appliesToSignal ex:principal-c4 ;
  modaudio:startFrameInclusive "240000"^^xsd:nonNegativeInteger ;
  modaudio:endFrameExclusive "720000"^^xsd:positiveInteger ;
  modaudio:crossfadeFrames "4096"^^xsd:nonNegativeInteger ;
  modaudio:boundaryConfidence "0.97"^^xsd:decimal .

ex:principal-c4-loop-set a modaudio:LoopPointSet ;
  modaudio:appliesToSignal ex:principal-c4 ;
  modaudio:hasLoopRegion ex:principal-c4-loop ;
  modaudio:loopabilityAssessment <https://example.org/loopability/reviewed-loopable> ;
  modaudio:confidence "0.97"^^xsd:decimal .

ex:principal-c4-playback a modaudio:SamplePlaybackParameters ;
  modaudio:playsSample ex:principal-c4 ;
  modaudio:usesLoopPointSet ex:principal-c4-loop-set ;
  modaudio:usesTuningMap ex:tuning-map ;
  modaudio:sourceFundamentalHz "261.44"^^xsd:decimal ;
  modaudio:targetFrequencyHz "261.625565"^^xsd:decimal .

ex:tuning-map a modaudio:TuningMap ;
  modaudio:hasTuningReference ex:a4-reference ;
  modaudio:tuningSystem <https://example.org/tuning-systems/12-tet> ;
  modaudio:tuningEntries ex:tuning-c4 .

ex:tuning-c4 a modaudio:TuningEntry ;
  modaudio:logicalControl ex:c4-control ;
  modaudio:targetFrequencyHz "261.625565"^^xsd:decimal .

ex:c4-control a modavis:IdentifiedResource .
ex:a4-reference a modaudio:TuningReference ;
  modaudio:referencePitchDesignation "A4" ;
  modaudio:referenceFrequencyHz "440.0"^^xsd:decimal .

# MIDI is an optional binding layer rather than part of protocol-neutral audio semantics.
ex:principal-c4-midi a modmidi:MidiPlaybackBinding ;
  modmidi:playbackParameters ex:principal-c4-playback ;
  modmidi:rootNoteNumber "60"^^xsd:nonNegativeInteger ;
  modmidi:minimumNoteNumber "58"^^xsd:nonNegativeInteger ;
  modmidi:maximumNoteNumber "62"^^xsd:nonNegativeInteger ;
  modmidi:minimumNoteOnVelocity "1"^^xsd:positiveInteger ;
  modmidi:maximumNoteOnVelocity "127"^^xsd:positiveInteger .
ex:principal-c4-extraction-midi a modmidi:MidiExtractionBinding ;
  modmidi:extractionRegion ex:principal-c4-extraction ; modmidi:assignedNoteNumber "60"^^xsd:nonNegativeInteger .
ex:tuning-c4-midi a modmidi:MidiTuningEntryBinding ;
  modmidi:tuningEntry ex:tuning-c4 ; modmidi:noteNumber "60"^^xsd:nonNegativeInteger .
ex:a4-midi a modmidi:MidiReferencePitchBinding ;
  modmidi:tuningReference ex:a4-reference ; modmidi:noteNumber "69"^^xsd:nonNegativeInteger .