Lennart Hedwall
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genre: swedish ballads
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album: Bellman: Songs & Epistles in Swedish
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album: Larsson: 12 Concertinos, Op. 45
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  date published: 1991-03-31
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  track: Double Bass Concertino, Op. 45, No. 11: II. Arioso. Lento
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  track: Trombone Concertino, Op. 45 No. 7: I. Preludium: Allegro pomposo
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  track: Trombone Concertino, Op. 45 No. 7: III. Finale. Allegro giocoso
album: Iwa Sörenson: Poetic and Romantic Songs
album: Peterson-Berger: Froso Flowers & Other Pieces (Orchestral Version)
album: Swedish Composers: Wilhelm Peterson-Berger
album: Föreningen Svenska Tonsättare (Recorded 1918-1993)
album: Svenska romanser
album: Almquvist: The Tone of my Spirit (Fria Fantasier for Piano-Forte)
album: Larsson, Wirén, Hedwall & Koch: Works for Orchestra
album: Hedwall: Canto
album: Larsson: Pastoralsvit - En vintersaga - m.fl.
album: Agrell, Linde, Carlstedt, Börtz & Larsson: Works for Orchestra
album: Dedikation!
album: Romantic Scandinavia
album: Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
album: Royal Swedish Tenors (1905-1980)
album: Fria Fantasier

3 Nya dans-poem (3 New Dance Poems): No. 2. Pa graset under lindarna (In the Grass Under the Linden) (arr. for orchestra)
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  date published: 2026-06-13T12:47:07Z
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Frösöblomster, Book 3: Frosoblomster (Froso-Flowers), Book 3: No. 7. Om manga ar (Many Years Hence) (arr. for orchestra)
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  date published: 2026-06-13T12:47:07Z
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Lyckan: Vid kejsar Cadigans hov - Arr. av Lennart Hedwall
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Damernas album, Op. 6: Dedikation - Arr. av Ola Karlsson
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Damernas album, Op. 6: Dedikation - Arr. av Ola Karlsson
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Tre nya danspoem: II. På gräset under lindarna - Arr. av Lennart Hedwall
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by artist: Östersunds Serenadensemble
by artist: Lennart Hedwall
in album: Swedish Composers: Wilhelm Peterson-Berger
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Tre nya danspoem: II. På gräset under lindarna - Arr. av Lennart Hedwall
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Violinsonat nr 2, G-dur: II. Andante - Arr. av Ola Karlsson
type: MusicRecording
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explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Östersunds Serenadensemble
by artist: Karl-Ove Mannberg
by artist: Ola Karlsson
by artist: Lennart Hedwall
in album: Swedish Composers: Wilhelm Peterson-Berger
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Violinsonat nr 2, G-dur: II. Andante - Arr. av Ola Karlsson
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Trombone Concertino, Op. 45, No. 7*: I. Prelude: Allegro pomposo
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duration: PT4M19S
duration ms: 259291
explicit: false
by artist: Lars-Erik Larsson
by artist: Christer Torge
by artist: Örebro Kammarorkestern
by artist: Lennart Hedwall
in album: Larsson, Wirén, Hedwall & Koch: Works for Orchestra
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genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Trombone Concertino, Op. 45, No. 7*: I. Prelude: Allegro pomposo
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Trombone Concertino, Op. 45, No. 7*: II. Aria: Andante sostenuto
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duration: PT3M26S
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by artist: Christer Torge
by artist: Örebro Kammarorkestern
by artist: Lennart Hedwall
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Trombone Concertino, Op. 45, No. 7*: II. Aria: Andante sostenuto
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Trombone Concertino, Op. 45, No. 7*: III. Finale: Allegro giocoso
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duration: PT3M50S
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explicit: false
by artist: Lars-Erik Larsson
by artist: Christer Torge
by artist: Örebro Kammarorkestern
by artist: Lennart Hedwall
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genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Trombone Concertino, Op. 45, No. 7*: III. Finale: Allegro giocoso
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2 Elegiac Melodies, Op. 34: I. Heart Wounds
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by artist: Örebro Chamber Orchestra
by artist: Lennart Hedwall
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genre: late-romantic-era
genre: norwegian-classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ec38350b4f85f000bc9392335de8d355fb68dd802381ce938c9519f8de5bac. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155402.
  date published: 2026-06-13T12:47:07Z
audio: 2 Elegiac Melodies, Op. 34: I. Heart Wounds
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.099
  additional property: Energy
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    value: 0.132
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.725
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.544
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

2 Elegiac Melodies, Op. 34: II. Spring
type: MusicRecording
duration: PT6M0S
duration ms: 360640
explicit: false
by artist: Edvard Grieg
by artist: Örebro Chamber Orchestra
by artist: Lennart Hedwall
in album: Romantic Scandinavia
  type: MusicAlbum
  date published: 1989-01-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: QMDA62155403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T17:51:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72f3be44345d1c270f5b39c80bcf5fc70d3b7bae0d2024f7d2f93b5a4b60dbfa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72f3be44345d1c270f5b39c80bcf5fc70d3b7bae0d2024f7d2f93b5a4b60dbfa. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155403.
  date published: 2026-06-13T12:47:07Z
audio: 2 Elegiac Melodies, Op. 34: II. Spring
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 84.593
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.153
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.685
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
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    value: 0.034
  additional property: Loudness (dB)
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    value: -24.107
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite for Strings, Op. 1: II. Intermezzo
type: MusicRecording
duration: PT5M54S
duration ms: 354200
explicit: false
by artist: Carl Nielsen
by artist: Örebro Chamber Orchestra
by artist: Lennart Hedwall
in album: Romantic Scandinavia
  type: MusicAlbum
  date published: 1989-01-01
genre: orchestra
isrc code: QMDA62155404
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:44:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba19f710dbd4707dfa44b518be8025d22cbe5a3066827c86f5d8ebe844ea44c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155404
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba19f710dbd4707dfa44b518be8025d22cbe5a3066827c86f5d8ebe844ea44c2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155404.
  date published: 2026-06-13T12:47:07Z
audio: Suite for Strings, Op. 1: II. Intermezzo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.377
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.243
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.862
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.138
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.968
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Frösöblomster III: VII. Om många år - Arr. by Lennart Hedwall
type: MusicRecording
duration: PT3M1S
duration ms: 181026
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Örebro Chamber Orchestra
by artist: Lennart Hedwall
in album: Romantic Scandinavia
  type: MusicAlbum
  date published: 1989-01-01
isrc code: QMDA62155411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T19:06:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe3288aaf7e20eabd5656de68637d7a82b073ecbf04c77e23449d535dfd757e68
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155411
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3288aaf7e20eabd5656de68637d7a82b073ecbf04c77e23449d535dfd757e68. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155411.
  date published: 2026-06-13T12:47:07Z
audio: Frösöblomster III: VII. Om många år - Arr. by Lennart Hedwall
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 175.257
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.085
  additional property: Energy
    type: PropertyValue
    value: 0.084
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.47
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.375
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

3 New Dance Poems: II. On the Grass beneath the Linden Trees - Arr. by Lennart Hedwall
type: MusicRecording
duration: PT3M37S
duration ms: 217373
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Örebro Chamber Orchestra
by artist: Lennart Hedwall
in album: Romantic Scandinavia
  type: MusicAlbum
  date published: 1989-01-01
isrc code: QMDA62155412
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T17:51:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb54c738d3fbece89941d914bda8ef284bd033b20edbe756e9ec6093bff98ef78
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155412
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb54c738d3fbece89941d914bda8ef284bd033b20edbe756e9ec6093bff98ef78. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155412.
  date published: 2026-06-13T12:47:07Z
audio: 3 New Dance Poems: II. On the Grass beneath the Linden Trees - Arr. by Lennart Hedwall
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.108
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.139
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.876
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.157
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.13
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Folk-Song Night, Op. 27a
type: MusicRecording
duration: PT3M39S
duration ms: 219426
explicit: false
by artist: Lars-Erik Larsson
by artist: Örebro Chamber Orchestra
by artist: Lennart Hedwall
in album: Romantic Scandinavia
  type: MusicAlbum
  date published: 1989-01-01
genre: chamber-music
isrc code: QMDA62155413
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T22:28:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4275a48f551904afa9b3f0d0b59136ff2eaa7dc6d72894c12f49d0eeb0722eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155413
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4275a48f551904afa9b3f0d0b59136ff2eaa7dc6d72894c12f49d0eeb0722eb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155413.
  date published: 2026-06-13T12:47:07Z
audio: Folk-Song Night, Op. 27a
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 78.876
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.075
  additional property: Energy
    type: PropertyValue
    value: 0.084
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.909
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.156
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Herdgirl's Sunday - Arr. by Johan Svendsen
type: MusicRecording
duration: PT3M18S
duration ms: 198373
explicit: false
by artist: Ole Bull
by artist: Örebro Chamber Orchestra
by artist: Lennart Hedwall
in album: Romantic Scandinavia
  type: MusicAlbum
  date published: 1989-01-01
genre: norwegian-classical
isrc code: QMDA62155414
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T17:51:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e2f3005b66d5f96d9e597f118d65e1834ecdacf453e288ae04dab66fc6ead6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155414
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e2f3005b66d5f96d9e597f118d65e1834ecdacf453e288ae04dab66fc6ead6b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62155414.
  date published: 2026-06-13T12:47:07Z
audio: The Herdgirl's Sunday - Arr. by Johan Svendsen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.78
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.095
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.864
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.369
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
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2 Suites for Orchestra, Op. 98 No. 1 "Suite Mignonne": III. Épilogue
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Trombone Concertino, Op. 45 No. 7: I. Preludium: Allegro pomposo
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Trombone Concertino, Op. 45 No. 7: II. Aria. Andante sostenuto
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Trombone Concertino, Op. 45 No. 7: III. Finale. Allegro giocoso
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Iwa Sörenson: Poetic and Romantic Songs
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T12:47:07Z

Ran: Ran, Act III: Danslek (Dance Game) (arr. J. Johansson)
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Frösöblomster, Book 1, Op. 16: Frosoblomster (Froso-Flowers), Book 1, Op. 16: No. 6. Vid Froso kyrka (At Froso Church) (arr. for orchestra)
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  date published: 2026-06-13T12:47:07Z
audio: Frösöblomster, Book 1, Op. 16: Frosoblomster (Froso-Flowers), Book 1, Op. 16: No. 6. Vid Froso kyrka (At Froso Church) (arr. for orchestra)
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Frösöblomster, Book 1, Op. 16: No. 2. Sommarsang (Summer Song)
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  date published: 2026-06-13T12:47:07Z
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  date published: 2026-06-13T12:47:07Z
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Frösöblomster, Book 2: Frosoblomster (Froso-Flowers), Book 2: No. 4. Vid Larsmess' (At the Fest of St. Laurence) (arr. for orchestra)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Frösöblomster, Book 2: Frosoblomster (Froso-Flowers), Book 2: No. 4. Vid Larsmess' (At the Fest of St. Laurence) (arr. for orchestra)
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Frösöblomster, Book 1, Op. 16: No. 5. Gratulation (Congratulations)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Frösöblomster, Book 1, Op. 16: No. 5. Gratulation (Congratulations)
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Frösöblomster, Book 1, Op. 16: No. 4. Till rosorno (To the Roses)
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by artist: Wilhelm Peterson-Berger
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Frösöblomster, Book 1, Op. 16: No. 4. Till rosorno (To the Roses)
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3 Sanger (3 Songs), Op. 3: Irmelin Rose (Irmelin the Rose) (arr. for orchestra)
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by artist: Wilhelm Peterson-Berger
by artist: Berliner Symphoniker
by artist: Stig Rybrant
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: 3 Sanger (3 Songs), Op. 3: Irmelin Rose (Irmelin the Rose) (arr. for orchestra)
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3 Sanger (3 Songs), Op. 10: Jungfrun under lind (The Maiden Under the Linden Tree) (arr. for orchestra)
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by artist: Berliner Symphoniker
by artist: Stig Rybrant
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: 3 Sanger (3 Songs), Op. 10: Jungfrun under lind (The Maiden Under the Linden Tree) (arr. for orchestra)
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Swedish Composers: Wilhelm Peterson-Berger
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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track: No. 4, Till rosorno (to the Roses)
track: Frosoblomster (Froso-Flowers), Book 1, Op. 16: No. 5, Gratulation [Congratulations]
track: No. 6, Vid Frösö kyrka
track: I skymningen
track: No. 8, Halsning (Greeting)
track: No. 2, Intag i Sommarhagen [Entry into Sommarhagen]
track: Lyckan: Vid kejsar Cadigans hov - Arr. av Lennart Hedwall
track: Damernas album, Op. 6: Dedikation - Arr. av Ola Karlsson
track: Tre nya danspoem: II. På gräset under lindarna - Arr. av Lennart Hedwall
track: Violinsonat nr 2, G-dur: II. Andante - Arr. av Ola Karlsson
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track: Vårsång I (Du fagra vår som åter ler)
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track: Vårsång III (Våren kom en Valborgsnatt)
track: Jungfrun under lind (Nicolai Gedda)
track: Stämning
track: No. 1, När jag för mig själv i mörka skogen går
track: Som stjärnorna på himmelen [Nicolai Gedda]
track: No. 4, Bland skogens höga furustammar
track: Skogssång (I skogens vackra pelarsal)
track: Visa i folkton
track: Sommaren kommer
track: Prinsessen
track: Aspakerspolska
track: No. 1, Langtan heter min arvedel
track: Fem dikter ur Arne: No. 1. Arnes sång
track: Fem dikter ur Arne: No. 5. Trädet
track: På fjället i sol

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OpenTimestamps Proof of Existence
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date published: 2026-06-13T12:47:07Z

No. 3, Lawn Tennis
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No. 4, Till rosorno (to the Roses)
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Frosoblomster (Froso-Flowers), Book 1, Op. 16: No. 5, Gratulation [Congratulations]
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subject of: OpenTimestamps Proof of Existence
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No. 6, Vid Frösö kyrka
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audio: No. 6, Vid Frösö kyrka
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I skymningen
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No. 8, Halsning (Greeting)
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No. 2, Intag i Sommarhagen [Entry into Sommarhagen]
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  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95edb8059109ec46b5885558e91dbe40ae1107422071f1bbbe817af864a70e24. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199748316.
  date published: 2026-06-13T12:47:07Z
audio: No. 2, Intag i Sommarhagen [Entry into Sommarhagen]
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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Danslek
type: MusicRecording
duration: PT3M1S
duration ms: 181440
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Göteborg Wind Orchestra
by artist: Jerker Johansson
by artist: David Glanneskog
in album: Swedish Composers: Wilhelm Peterson-Berger
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  date published: 2025-01-31
isrc code: HKI199310705
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3453819da9ee1e414ac560fb13a92c38ed17440121b16017591d916326c81bec. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199310705.
  date published: 2026-06-13T12:47:07Z
audio: Danslek
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Vårsång I (Du fagra vår som åter ler)
type: MusicRecording
duration: PT1M49S
duration ms: 109653
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Erik Westberg Vocal Ensemble
by artist: Erik Westberg
by artist: Musikhögskolans kammarkör i Piteå
in album: Swedish Composers: Wilhelm Peterson-Berger
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  date published: 2025-01-31
isrc code: HKI190920610
additional property: CopyrightID
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd2b0bb60627c253f67beb5481c89e2b6ca42fef0dd40d98a72a4aa5142c560d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920610.
  date published: 2026-06-13T12:47:07Z
audio: Vårsång I (Du fagra vår som åter ler)
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  additional property: Energy
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Vårsång II (Det ljusnar i rymden den klara)
type: MusicRecording
duration: PT0M56S
duration ms: 56400
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Erik Westberg Vocal Ensemble
by artist: Erik Westberg
by artist: Musikhögskolans kammarkör i Piteå
in album: Swedish Composers: Wilhelm Peterson-Berger
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  date published: 2025-01-31
isrc code: HKI190920606
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x458bbf9568556e626915a558616cd0e319e5cc049eea4173668c088038c4d9cb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920606.
  date published: 2026-06-13T12:47:07Z
audio: Vårsång II (Det ljusnar i rymden den klara)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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Vårsång III (Våren kom en Valborgsnatt)
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duration: PT0M54S
duration ms: 54293
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Erik Westberg Vocal Ensemble
by artist: Erik Westberg
by artist: Musikhögskolans kammarkör i Piteå
in album: Swedish Composers: Wilhelm Peterson-Berger
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  date published: 2025-01-31
isrc code: HKI190920638
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfce8d32b5c3bde3a62421184dd1f9e0d95260ad41aa1c7f80329437c22e8770d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920638.
  date published: 2026-06-13T12:47:07Z
audio: Vårsång III (Våren kom en Valborgsnatt)
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  additional property: Danceability
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Jungfrun under lind (Nicolai Gedda)
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duration ms: 168266
explicit: false
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by artist: Nicolai Gedda
by artist: Stockholm Royal Opera Orchestra
by artist: Nils Grevillius
in album: Swedish Composers: Wilhelm Peterson-Berger
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isrc code: SEBAC9606080
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b2df0af09a2ef6fa5b83aa080a670975e32c3c02e800df71a59037cce3b7701. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9606080.
  date published: 2026-06-13T12:47:07Z
audio: Jungfrun under lind (Nicolai Gedda)
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Stämning
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duration ms: 143280
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by artist: Örebro Chamber Choir
by artist: Fred Sjoberg
in album: Swedish Composers: Wilhelm Peterson-Berger
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a66177ccfb2667241ca1456dc554bcfd64ba24daba5de5d5e1887a34f307de. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199242814.
  date published: 2026-06-13T12:47:07Z
audio: Stämning
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No. 1, När jag för mig själv i mörka skogen går
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by artist: Jussi Björling
by artist: Royal Orchestra, The
by artist: Nils Grevillius
in album: Swedish Composers: Wilhelm Peterson-Berger
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAA1305404
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04f6629ba79d17e304917dbafb842cea9d2d139b2c645e84d7e164f851d1b100. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAA1305404.
  date published: 2026-06-13T12:47:07Z
audio: No. 1, När jag för mig själv i mörka skogen går
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.175
  additional property: Energy
    type: PropertyValue
    value: 0.165
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.419
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Som stjärnorna på himmelen [Nicolai Gedda]
type: MusicRecording
duration: PT4M22S
duration ms: 262866
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Nicolai Gedda
by artist: Stockholm Royal Opera Orchestra
by artist: Nils Grevillius
in album: Swedish Composers: Wilhelm Peterson-Berger
  type: MusicAlbum
  date published: 2025-01-31
isrc code: SEBAC9606060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-01-28T22:27:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb02ed4ed5b5323a6a8cb14631eaafe6d0ff6d089836f80962a3aa3238433634
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9606060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb02ed4ed5b5323a6a8cb14631eaafe6d0ff6d089836f80962a3aa3238433634. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9606060.
  date published: 2026-06-13T12:47:07Z
audio: Som stjärnorna på himmelen [Nicolai Gedda]
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 80.918
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.147
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.197
  additional property: Liveness
    type: PropertyValue
    value: 0.209
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.68
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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No. 4, Bland skogens höga furustammar
type: MusicRecording
duration: PT1M56S
duration ms: 116706
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Jussi Björling
by artist: Royal Orchestra, The
by artist: Nils Grevillius
in album: Swedish Composers: Wilhelm Peterson-Berger
  type: MusicAlbum
  date published: 2025-01-31
isrc code: SEBAA1305403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:10:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2a4eafddee6b0a82bae10898eb75751868ef64a71beb52d7ccf839ea59ace4c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAA1305403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2a4eafddee6b0a82bae10898eb75751868ef64a71beb52d7ccf839ea59ace4c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAA1305403.
  date published: 2026-06-13T12:47:07Z
audio: No. 4, Bland skogens höga furustammar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.663
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.239
  additional property: Energy
    type: PropertyValue
    value: 0.321
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.072
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.233
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.886
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Skogssång (I skogens vackra pelarsal)
type: MusicRecording
duration: PT2M53S
duration ms: 173026
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Albert Theodor Gellerstedt
by artist: Erik Westberg Vocal Ensemble
by artist: Erik Westberg
by artist: Musikhögskolans kammarkör i Piteå
in album: Swedish Composers: Wilhelm Peterson-Berger
  type: MusicAlbum
  date published: 2025-01-31
isrc code: HKI190920614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:20:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78730ac5cba1b20f071458e952bba218a5e875ce7f76c4d08b075e3efbb73526
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920614
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78730ac5cba1b20f071458e952bba218a5e875ce7f76c4d08b075e3efbb73526. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920614.
  date published: 2026-06-13T12:47:07Z
audio: Skogssång (I skogens vackra pelarsal)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.291
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.184
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.157
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Visa i folkton
type: MusicRecording
duration: PT3M20S
duration ms: 200386
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Wendela Hebbe
by artist: Erik Westberg Vocal Ensemble
by artist: Erik Westberg
by artist: Musikhögskolans kammarkör i Piteå
in album: Swedish Composers: Wilhelm Peterson-Berger
  type: MusicAlbum
  date published: 2025-01-31
isrc code: HKI190920631
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:19:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89e2c1bd5a22cf4a63cac60c399920c10b1dc55b0d4d6b0be5d48f20c399879f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920631
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e2c1bd5a22cf4a63cac60c399920c10b1dc55b0d4d6b0be5d48f20c399879f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920631.
  date published: 2026-06-13T12:47:07Z
audio: Visa i folkton
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.602
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.456
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.868
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sommaren kommer
type: MusicRecording
duration: PT1M45S
duration ms: 105400
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Per Daniel Amadeus Atterbom
by artist: Erik Westberg Vocal Ensemble
by artist: Erik Westberg
by artist: Musikhögskolans kammarkör i Piteå
in album: Swedish Composers: Wilhelm Peterson-Berger
  type: MusicAlbum
  date published: 2025-01-31
isrc code: HKI190920617
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T22:24:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b20b7f575c2f02b2265a4260d232271cf7be599667a2ee2663e762ab499e833
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920617
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b20b7f575c2f02b2265a4260d232271cf7be599667a2ee2663e762ab499e833. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920617.
  date published: 2026-06-13T12:47:07Z
audio: Sommaren kommer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.295
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.196
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.283
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Prinsessen
type: MusicRecording
duration: PT2M38S
duration ms: 158013
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Bjørnstjerne Bjørnson
by artist: Erik Westberg Vocal Ensemble
by artist: Erik Westberg
by artist: Musikhögskolans kammarkör i Piteå
in album: Swedish Composers: Wilhelm Peterson-Berger
  type: MusicAlbum
  date published: 2025-01-31
isrc code: HKI190920621
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T22:23:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde5235eacab3bd468908e84073930c72674a72264e35883e7f438fbbb302a42f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920621
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde5235eacab3bd468908e84073930c72674a72264e35883e7f438fbbb302a42f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190920621.
  date published: 2026-06-13T12:47:07Z
audio: Prinsessen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.26
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.288
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.259
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.902
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Aspakerspolska
type: MusicRecording
duration: PT1M26S
duration ms: 86666
explicit: false
by artist: Wilhelm Peterson-Berger
by artist: Elisabeth Söderström
by artist: Stig Westerberg
in album: Swedish Composers: Wilhelm Peterson-Berger
  type: MusicAlbum
  date published: 2025-01-31
isrc code: USB8U1600502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T22:26:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f0b52a42e440da96bd5fd97a8eec2acc1f86c5e193ffd2f1ba316fde84346ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1600502
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Aspakerspolska
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No. 1, Langtan heter min arvedel
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duration: PT3M14S
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by artist: Elisabeth Söderström
by artist: Stig Westerberg
in album: Swedish Composers: Wilhelm Peterson-Berger
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: No. 1, Langtan heter min arvedel
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Fem dikter ur Arne: No. 1. Arnes sång
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by artist: Wilhelm Peterson-Berger
by artist: Bjørnstjerne Bjørnson
by artist: Musikhögskolans kammarkör i Piteå
by artist: Erik Westberg
by artist: Erik Westberg Vocal Ensemble
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Fem dikter ur Arne: No. 1. Arnes sång
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Fem dikter ur Arne: No. 5. Trädet
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by artist: Wilhelm Peterson-Berger
by artist: Bjørnstjerne Bjørnson
by artist: Musikhögskolans kammarkör i Piteå
by artist: Erik Westberg
by artist: Erik Westberg Vocal Ensemble
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Fem dikter ur Arne: No. 5. Trädet
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På fjället i sol
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: På fjället i sol
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Föreningen Svenska Tonsättare (Recorded 1918-1993)
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date published: 2011-05-01

Svenska romanser
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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  audio: 9 Sånger, Op. 35: No. 9, Kyssande vind

OTSHash
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OTSBitcoinBlock
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value: 953513

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/953513

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAA1206314

OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b46318ad06ef150d15c9d6459fa5b907a7a7ce911a29ff542b7c3febce949ad. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAA1206314.
date published: 2026-06-13T12:47:07Z

9 Sånger, Op. 35: No. 9, Kyssande vind
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Almquvist: The Tone of my Spirit (Fria Fantasier for Piano-Forte)
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Larsson, Wirén, Hedwall & Koch: Works for Orchestra
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track: Trombone Concertino, Op. 45, No. 7*: I. Prelude: Allegro pomposo
track: Trombone Concertino, Op. 45, No. 7*: II. Aria: Andante sostenuto
track: Trombone Concertino, Op. 45, No. 7*: III. Finale: Allegro giocoso

Hedwall: Canto
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Larsson: Pastoralsvit - En vintersaga - m.fl.
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  by artist: Stig Westerberg
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-06-13T12:47:07Z
  audio: Pastoralsvit, Op. 19: I. Overture
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track: Pastoralsvit, Op. 19: II. Romance
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  by artist: Stig Westerberg
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
  audio: Pastoralsvit, Op. 19: II. Romance
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track: Pastoralsvit, Op. 19: III. Scherzo
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  subject of: OpenTimestamps Proof of Existence
  audio: Pastoralsvit, Op. 19: III. Scherzo
track: En vintersaga, Op. 18: I. Siciliana
track: En vintersaga, Op. 18: II. Intermezzo
track: En vintersaga, Op. 18: III. Pastoral
track: En vintersaga, Op. 18: IV. Epilog
track: Little Serenade, Op. 12: I. Allegro
track: Liten marsch

OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c312462106bccab6bcc29a4d948a971c4a31bc7ce9bddcbdec2afe0695a94d3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEVOZ1150703.
date published: 2026-06-13T12:47:07Z

Pastoralsvit, Op. 19: III. Scherzo
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En vintersaga, Op. 18: I. Siciliana
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duration: PT3M30S
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by artist: Stig Westerberg
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: En vintersaga, Op. 18: I. Siciliana
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En vintersaga, Op. 18: II. Intermezzo
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: En vintersaga, Op. 18: II. Intermezzo
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En vintersaga, Op. 18: III. Pastoral
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by artist: Stig Westerberg
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: En vintersaga, Op. 18: III. Pastoral
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Little Serenade, Op. 12: I. Allegro
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Liten marsch
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Agrell, Linde, Carlstedt, Börtz & Larsson: Works for Orchestra
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Dedikation!
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Romantic Scandinavia
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track: 2 Elegiac Melodies, Op. 34: I. Heart Wounds
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track: Suite for Strings, Op. 1: II. Intermezzo
track: Frösöblomster III: VII. Om många år - Arr. by Lennart Hedwall
track: 3 New Dance Poems: II. On the Grass beneath the Linden Trees - Arr. by Lennart Hedwall
track: Folk-Song Night, Op. 27a
track: The Herdgirl's Sunday - Arr. by Johan Svendsen
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track: 2 Suites for Orchestra, Op. 98 No. 1 "Suite Mignonne": II. Polka
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Wirén: Serenade - Sinfonietta - Symphony No. 4 - Music for Strings
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  subject of: OpenTimestamps Proof of Existence
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track: Serenade for String Orchestra, Op. 11: II. Andante espressivo
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track: Serenade for String Orchestra, Op. 11: III. Scherzo
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  audio: Serenade for String Orchestra, Op. 11: III. Scherzo
track: Serenade for String Orchestra, Op. 11: IV. Marcia
track: Sinfonietta in C Major, Op. 7a: I. Molto allegro ed energico
track: Sinfonietta in C Major, Op. 7a: II. Andante espressivo
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track: Symphony No. 4, Op. 27: I. Tempo moderato
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T12:47:07Z

Serenade for String Orchestra, Op. 11: III. Scherzo
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Serenade for String Orchestra, Op. 11: IV. Marcia
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Sinfonietta in C Major, Op. 7a: I. Molto allegro ed energico
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by artist: Stig Westerberg
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Sinfonietta in C Major, Op. 7a: II. Andante espressivo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Sinfonietta in C Major, Op. 7a: III. Molto allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Sinfonietta in C Major, Op. 7a: III. Molto allegro
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Symphony No. 4, Op. 27: I. Tempo moderato
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  date published: 2026-06-13T12:47:07Z
audio: Symphony No. 4, Op. 27: I. Tempo moderato
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Symphony No. 4, Op. 27: II. Molto vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Symphony No. 4, Op. 27: II. Molto vivace
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Symphony No. 4, Op. 27: III. Tempo moderato
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Royal Swedish Tenors (1905-1980)
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Fria Fantasier
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