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genre: contemporary-classical
description: thumb|Pelle Gudmundsen-Holmgreen (2012) Pelle Gudmundsen-Holmgreen (21 November 1932 – 27 June 2016) was a Danish composer. Biography Pelle Gudmundsen-Holmgreen was born in Copenhagen, Denmark, and
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    subject of: OpenTimestamps Proof of Existence
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    subject of: OpenTimestamps Proof of Existence
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album: Gudmundsen-Holmgreen: Mixed Company
album: Baltic Voices 3
album: Classical Chillout: Choral, Vol. 1
album: Vildtvoksende fantasier
album: Gudmundsen-Holmgreen, P.: Plateaux / For Piano
album: The Royal Danish Academy of Music 150 years
album: Seven Responses
album: I want to live
album: Nordic Sound: Tribute to Axel Borup-Jørgensen
album: Everyone Loves the Spring - New Danish Songs
album: Gudmundsen-Holmgreen: Complete String Quartets, Vol. 2
album: Gudmundsen-Holmgreen: Complete String Quartets, Vol. 1
album: Pelle Gudmundsen-Holmgreen: Repriser
album: Pelle Gudmundsen-Holmgreen: Incontri – Works for Orchestra
album: The Natural World of Pelle Gudmundsen-Holmgreen
album: Buxtehude: Scandinavian Cantatas
album: Gudmundsen-Holmgreen: Chamber Music
album: Gudmundsen-Holmgreen: Organ Music
album: GUDMUNDSEN-HOLMGREEN: For Cello and Orchestra / Concerto Grosso / Frere Jacques
album: Gudmundsen-Holmgreen: Music for Voices and Instruments
album: String Quartet No. 7, Parted: I.
album: Gudmundsen-Holmgreen: Concerto Grosso, Moving Still & Last Ground
album: Concert Clemens
album: Allan Gravgaard Madsen: Nachtmusik - Gudmundsen-Holmgreen: For Violin & Orchestra
album: De Røde Roser - Dansk Kormusik i 100 År
album: 根據漢斯·克里斯蒂安·安徒生所寫的歌詞譜寫的歌曲
album: Som en forårsnat
album: Norgard: I Ching / Xenakis: Psappha / Gudmundsen-Holmgreen: Triptykon
album: Early & Late
album: Danish & Faroese Recorder Concertos
album: Great Danes
album: SONGS TO TEXTS BY HANS CHRISTIAN ANDERSEN
album: Frosty Silence (The): Music for Guitar by Danish Composers
album: Nye danske sange
album: Distant Still
album: Scenes from a New Music Séance
album: Danish Works for Organ
album: The Plucked North
album: Gudmundsen-Holmgreen: Symphony-Antiphony / Rasmussen: Symphony in Time
album: Five Danish Piano Trios
album: Pelle Gudmundsen-Holmgreen: Green Ground (Live)

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Gudmundsen-Holmgreen: Mixed Company
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Baltic Voices 3
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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Vildtvoksende fantasier
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Gudmundsen-Holmgreen, P.: Plateaux / For Piano
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The Royal Danish Academy of Music 150 years
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Seven Responses
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track: To the Hands: No. 3, Her Beacon-Hand Beckons
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  subject of: OpenTimestamps Proof of Existence
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: To the Hands: No. 6, I Will Hold You
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  by artist: Caroline Shaw
  by artist: The Crossing
  by artist: International Contemporary Ensemble
  by artist: Donald Nally
  in album: Seven Responses
    type: MusicAlbum
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  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29K1791206
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3224280193f77f9eadf85114d8e3710d7fb692e33a0b7f47f608473c83b93b11. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/US29K1791206.
    date published: 2026-07-02T03:55:08Z
  audio: To the Hands: No. 6, I Will Hold You
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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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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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I want to live
type: MusicAlbum
date published: 2013-04-02
track: I live in pain
  type: MusicRecording
  duration: PT4M20S
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  explicit: false
  by artist: David Lang
  by artist: The Crossing
  by artist: Donald Nally
  in album: I want to live
    type: MusicAlbum
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  additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd68bdae882efd165b77c02bde07a60351cb9066ccc754129785191644a91b8b1. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/US29K1385601.
    date published: 2026-07-30T12:06:10Z
  audio: I live in pain
    type: AudioObject
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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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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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Six Mediaeval Lyrics: No. 1. Mens mea
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  duration: PT4M29S
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  by artist: The Crossing
  by artist: Donald Nally
  in album: I want to live
    type: MusicAlbum
    date published: 2013-04-02
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  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29K1385602
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38abf181990eacdc1e9ae7852d240f4d85cda78465ba9e3ddde4d5446eea4898. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US29K1385602.
    date published: 2026-07-08T03:20:19Z
  audio: Six Mediaeval Lyrics: No. 1. Mens mea
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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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    additional property: Valence (Positivity)
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track: I lie
  type: MusicRecording
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  by artist: The Crossing
  by artist: Donald Nally
  in album: I want to live
    type: MusicAlbum
    date published: 2013-04-02
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  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: I lie
track: I want to live

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29K1385608

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a6459869b592bfed64544c594805d4bd259719baf5b2531a2ae76bca408f66. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US29K1385608.
date published: 2026-07-08T03:20:19Z

I lie
type: AudioObject
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: Time Signature
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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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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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I want to live
type: MusicRecording
duration: PT4M42S
duration ms: 282706
explicit: false
by artist: David Lang
by artist: The Crossing
by artist: Donald Nally
in album: I want to live
  type: MusicAlbum
  date published: 2013-04-02
isrc code: US29K1385621
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcfa3533c5330d46ca464ba4ed1676653ca9d84606b0edbc1c33a5360637f64d. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/US29K1385621.
  date published: 2026-07-31T16:33:26Z
audio: I want to live
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  additional property: Mode (Major/Minor)
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  additional property: Valence (Positivity)
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Nordic Sound: Tribute to Axel Borup-Jørgensen
type: MusicAlbum
date published: 2015-08-07

Everyone Loves the Spring - New Danish Songs
type: MusicAlbum
date published: 2010-02-15

Gudmundsen-Holmgreen: Complete String Quartets, Vol. 2
type: MusicAlbum
date published: 2024-07-05

Gudmundsen-Holmgreen: Complete String Quartets, Vol. 1
type: MusicAlbum
date published: 2019-02-08

Pelle Gudmundsen-Holmgreen: Repriser
type: MusicAlbum
date published: 2016-10-14

Pelle Gudmundsen-Holmgreen: Incontri – Works for Orchestra
type: MusicAlbum
date published: 2016-10-14

The Natural World of Pelle Gudmundsen-Holmgreen
type: MusicAlbum
date published: 2011-01-04

Buxtehude: Scandinavian Cantatas
type: MusicAlbum
date published: 2010-11-16

Gudmundsen-Holmgreen: Chamber Music
type: MusicAlbum
date published: 2002-06-12

Gudmundsen-Holmgreen: Organ Music
type: MusicAlbum
date published: 2002-01-01

GUDMUNDSEN-HOLMGREEN: For Cello and Orchestra / Concerto Grosso / Frere Jacques
type: MusicAlbum
date published: 1997-07-03

Gudmundsen-Holmgreen: Music for Voices and Instruments
type: MusicAlbum
date published: 1997

String Quartet No. 7, Parted: I.
type: MusicAlbum
date published: 2024-06-21

Gudmundsen-Holmgreen: Concerto Grosso, Moving Still & Last Ground
type: MusicAlbum
date published: 2008-10-28

Concert Clemens
type: MusicAlbum
date published: 2014-11-25
track: Morgensang af Elverskud
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  by artist: Niels Gade
  by artist: Concert Clemens
  by artist: Carsten Seyer-Hansen
  in album: Concert Clemens
    type: MusicAlbum
    date published: 2014-11-25
  genre: late-romantic-era
  genre: early-modern-classical
  genre: danish-classical
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  additional property: CopyrightID
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  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
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59c8b001fb50a6d03d17af8c21ed4a49869d5d094d4a667286466faa956b6a1f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DKECA1405201.
    date published: 2026-07-02T03:55:08Z
  audio: Morgensang af Elverskud
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  additional property: OTSVerificationAPI
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    value: 2026-07-31T02:19:15Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aeea3c58388c5fac6efec00e4c2dd275be44d48decd172f271397d09c773406. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DKECA1405205.
    date published: 2026-07-31T02:19:15Z
  audio: Ubi caritas
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.911
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.195
    additional property: Energy
      type: PropertyValue
      value: 0.214
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.981
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.437
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.105
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.941
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Tota pulchra es
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122040
  explicit: false
  by artist: Maurice Duruflé
  by artist: Concert Clemens
  by artist: Carsten Seyer-Hansen
  in album: Concert Clemens
    type: MusicAlbum
    date published: 2014-11-25
  isrc code: DKECA1405208
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T17:59:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd1adb51f6a594b88482195b4bff93b5cff56310fb11165f4e43e98f8049bd864
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Tota pulchra es
track: Tu es petrus
track: Tantum ergo
track: Min Jesus, lad mit hjerte få
track: Le chant des oiseaux

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960291

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960291

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKECA1405208

OTSTimestamp
type: PropertyValue
value: 2026-07-30T18:23:33Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1adb51f6a594b88482195b4bff93b5cff56310fb11165f4e43e98f8049bd864. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/DKECA1405208.
date published: 2026-07-30T18:23:33Z

Tota pulchra es
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 97.607
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.269
additional property: Energy
  type: PropertyValue
  value: 0.156
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.995
additional property: Instrumentalness
  type: PropertyValue
  value: 0.968
additional property: Liveness
  type: PropertyValue
  value: 0.199
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.143
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.415
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

Tu es petrus
type: MusicRecording
duration: PT0M52S
duration ms: 52440
explicit: false
by artist: Maurice Duruflé
by artist: Concert Clemens
by artist: Carsten Seyer-Hansen
in album: Concert Clemens
  type: MusicAlbum
  date published: 2014-11-25
isrc code: DKECA1405210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:55:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe65b179ebf6adcb8c133aed5c05fc5f868855d1c2d8daf07ec774315ba85e408
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKECA1405210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe65b179ebf6adcb8c133aed5c05fc5f868855d1c2d8daf07ec774315ba85e408. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DKECA1405210.
  date published: 2026-07-31T18:48:12Z
audio: Tu es petrus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.023
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.234
  additional property: Energy
    type: PropertyValue
    value: 0.447
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.969
  additional property: Liveness
    type: PropertyValue
    value: 0.155
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.153
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.11
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tantum ergo
type: MusicRecording
duration: PT2M41S
duration ms: 161973
explicit: false
by artist: Maurice Duruflé
by artist: Concert Clemens
by artist: Carsten Seyer-Hansen
in album: Concert Clemens
  type: MusicAlbum
  date published: 2014-11-25
isrc code: DKECA1405215
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:20:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89fde75ffc36d8b787c6c1758800db7a278b36b01627fc4600336013ba14c9a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960463
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960463
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKECA1405215
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:42:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89fde75ffc36d8b787c6c1758800db7a278b36b01627fc4600336013ba14c9a8. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/DKECA1405215.
  date published: 2026-07-31T20:42:35Z
audio: Tantum ergo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.534
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.122
  additional property: Energy
    type: PropertyValue
    value: 0.235
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.934
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.11
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.957
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Min Jesus, lad mit hjerte få
type: MusicRecording
duration: PT1M57S
duration ms: 117106
explicit: false
by artist: Carl Nielsen
by artist: Concert Clemens
by artist: Carsten Seyer-Hansen
in album: Concert Clemens
  type: MusicAlbum
  date published: 2014-11-25
genre: orchestra
isrc code: DKECA1405217
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T17:54:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81f291de9156394f9e199d05c369033cfab8619cd6831b22f09b2a0b952c1f2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKECA1405217
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81f291de9156394f9e199d05c369033cfab8619cd6831b22f09b2a0b952c1f2d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DKECA1405217.
  date published: 2026-07-29T19:35:34Z
audio: Min Jesus, lad mit hjerte få
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.366
  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: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.09
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.573
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.188
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.548
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le chant des oiseaux
type: MusicRecording
duration: PT5M35S
duration ms: 335573
explicit: false
by artist: Clément Janequin
by artist: Concert Clemens
by artist: Carsten Seyer-Hansen
in album: Concert Clemens
  type: MusicAlbum
  date published: 2014-11-25
isrc code: DKECA1405218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:22:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd94788543389e7517ed78f10e0e49def91e073d36fc87ee3c0febe4af14c85f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKECA1405218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd94788543389e7517ed78f10e0e49def91e073d36fc87ee3c0febe4af14c85f5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DKECA1405218.
  date published: 2026-07-02T03:55:08Z
audio: Le chant des oiseaux
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.103
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.299
  additional property: Energy
    type: PropertyValue
    value: 0.207
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.794
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.229
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.857
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Allan Gravgaard Madsen: Nachtmusik - Gudmundsen-Holmgreen: For Violin & Orchestra
type: MusicAlbum
date published: 2019-12-13
track: Nachtmusik: I. Nachtstück (Live)
  type: MusicRecording
  duration: PT16M44S
  duration ms: 1004040
  explicit: false
  by artist: Allan Gravgaard Madsen
  by artist: Christina Åstrand
  by artist: Per Salo
  by artist: Danish National Symphony Orchestra
  by artist: Ryan Bancroft
  in album: Allan Gravgaard Madsen: Nachtmusik - Gudmundsen-Holmgreen: For Violin & Orchestra
    type: MusicAlbum
    date published: 2019-12-13
  isrc code: DKFAA1902301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T23:14:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0e0cc40c447e84d076b47ae7b302ad4b5990f5ae7e6d4a98b921b1c4ab060cb5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKFAA1902301
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e0cc40c447e84d076b47ae7b302ad4b5990f5ae7e6d4a98b921b1c4ab060cb5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DKFAA1902301.
    date published: 2026-07-08T03:20:19Z
  audio: Nachtmusik: I. Nachtstück (Live)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.499
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.267
    additional property: Energy
      type: PropertyValue
      value: 0.188
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.779
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.289
    additional property: Liveness
      type: PropertyValue
      value: 0.489
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.023
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.112
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nachtmusik: II. Intermezzo (Live)
  type: MusicRecording
  duration: PT6M25S
  duration ms: 385720
  explicit: false
  by artist: Allan Gravgaard Madsen
  by artist: Christina Åstrand
  by artist: Per Salo
  by artist: Danish National Symphony Orchestra
  by artist: Ryan Bancroft
  in album: Allan Gravgaard Madsen: Nachtmusik - Gudmundsen-Holmgreen: For Violin & Orchestra
    type: MusicAlbum
    date published: 2019-12-13
  isrc code: DKFAA1902302
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T23:25:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9bfeb2e6f9383ae7ceb81c5b87f00956c9620fd1ed3225023f6681a5e104b95e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960327
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960327
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKFAA1902302
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T00:26:26Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bfeb2e6f9383ae7ceb81c5b87f00956c9620fd1ed3225023f6681a5e104b95e. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DKFAA1902302.
    date published: 2026-07-31T00:26:26Z
  audio: Nachtmusik: II. Intermezzo (Live)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.449
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.24
    additional property: Energy
      type: PropertyValue
      value: 0.261
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.653
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.087
    additional property: Liveness
      type: PropertyValue
      value: 0.333
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.041
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.641
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Nachtmusik: III. Ständchen (Live)
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185800
  explicit: false
  by artist: Allan Gravgaard Madsen
  by artist: Christina Åstrand
  by artist: Per Salo
  by artist: Danish National Symphony Orchestra
  by artist: Ryan Bancroft
  in album: Allan Gravgaard Madsen: Nachtmusik - Gudmundsen-Holmgreen: For Violin & Orchestra
    type: MusicAlbum
    date published: 2019-12-13
  isrc code: DKFAA1902303
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T07:47:59+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nachtmusik: III. Ständchen (Live)

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xf3c9df2dbb6c71a985014cce15f735e3387f2d59e613c3c1ad2ecf09b117f248

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKFAA1902303

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3c9df2dbb6c71a985014cce15f735e3387f2d59e613c3c1ad2ecf09b117f248. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DKFAA1902303.
date published: 2026-07-08T03:20:19Z

Nachtmusik: III. Ständchen (Live)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 180.103
additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.261
additional property: Energy
  type: PropertyValue
  value: 0.285
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.944
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.545
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.039
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.066
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Minor

De Røde Roser - Dansk Kormusik i 100 År
type: MusicAlbum
date published: 2019-12-10
track: Madonna over bølgerne
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173893
  explicit: false
  by artist: Peter Erasmus Lange-Muller
  by artist: Copenhagen University Choir Lille MUKO
  by artist: Jesper Grove Jørgensen
  in album: De Røde Roser - Dansk Kormusik i 100 År
    type: MusicAlbum
    date published: 2019-12-10
  popularity: 2
  isrc code: DKANP5174111
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T04:27:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfe6f25a27c0874efca70b4282478519c9d8129fc3d45b0ecc0432ff18a212750
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKANP5174111
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6f25a27c0874efca70b4282478519c9d8129fc3d45b0ecc0432ff18a212750. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DKANP5174111.
    date published: 2026-07-08T03:20:19Z
  audio: Madonna over bølgerne
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.458
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.259
    additional property: Energy
      type: PropertyValue
      value: 0.064
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.985
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.142
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.085
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.016
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Høbjærgning ved havet
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154933
  explicit: false
  by artist: Vagn Holmboe
  by artist: Copenhagen University Choir Lille MUKO
  by artist: Jesper Grove Jørgensen
  in album: De Røde Roser - Dansk Kormusik i 100 År
    type: MusicAlbum
    date published: 2019-12-10
  popularity: 1
  isrc code: DKANP5174120
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T02:11:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1bde791600369f095f02b219dc7ab2b7cd7a4d108424292c36a6fe8550819c4e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960337
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960337
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKANP5174120
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T02:51:48Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bde791600369f095f02b219dc7ab2b7cd7a4d108424292c36a6fe8550819c4e. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/DKANP5174120.
    date published: 2026-07-31T02:51:48Z
  audio: Høbjærgning ved havet
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.198
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.216
    additional property: Energy
      type: PropertyValue
      value: 0.025
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.989
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.069
    additional property: Loudness (dB)
      type: PropertyValue
      value: -30.366
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

根據漢斯·克里斯蒂安·安徒生所寫的歌詞譜寫的歌曲
type: MusicAlbum
date published: 2000-01-01
track: I Danmark er jeg fodt
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225160
  explicit: false
  by artist: Poul Schierbeck
  by artist: Musica Ficta
  by artist: Bo Holten
  in album: 根據漢斯·克里斯蒂安·安徒生所寫的歌詞譜寫的歌曲
    type: MusicAlbum
    date published: 2000-01-01
  isrc code: DKBW50500112
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T09:40:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x57ac688098cc3cc72dda839ba0cdda7283db643297c3d807defca010bbf09736
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKBW50500112
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57ac688098cc3cc72dda839ba0cdda7283db643297c3d807defca010bbf09736. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DKBW50500112.
    date published: 2026-07-08T03:22:41Z
  audio: I Danmark er jeg fodt
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.432
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.194
    additional property: Energy
      type: PropertyValue
      value: 0.136
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.219
    additional property: Liveness
      type: PropertyValue
      value: 0.076
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.127
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.055
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Som en forårsnat
type: MusicAlbum
date published: 2014-06-04
track: Andet brudestykke
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155386
  explicit: false
  by artist: Traditional
  by artist: Duo Askou // Andersen
  by artist: Hanne Askou
  by artist: Frode Andersen
  in album: Som en forårsnat
    type: MusicAlbum
    date published: 2014-06-04
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
  genre: traditional-music
  isrc code: DK3H11400117
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T20:46:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaad9e05b99db219423b8e645705f250a09f317f1a80ea290d1327f162b555bbf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960468
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960468
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DK3H11400117
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T21:25:57Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad9e05b99db219423b8e645705f250a09f317f1a80ea290d1327f162b555bbf. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/DK3H11400117.
    date published: 2026-07-31T21:25:57Z
  audio: Andet brudestykke
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 168.066
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.252
    additional property: Energy
      type: PropertyValue
      value: 0.178
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.965
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.017
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.079
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.58
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Norgard: I Ching / Xenakis: Psappha / Gudmundsen-Holmgreen: Triptykon
type: MusicAlbum
date published: 1988-01-31

Early & Late
type: MusicAlbum
date published: 2014-01-07

Danish & Faroese Recorder Concertos
type: MusicAlbum
date published: 2015-08-07

Great Danes
type: MusicAlbum
date published: 2013-04-10
track: Glemselshejren
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125546
  explicit: false
  by artist: Vagn Holmboe
  by artist: Vox Aros
  in album: Great Danes
    type: MusicAlbum
    date published: 2013-04-10
  isrc code: DKFD52559026
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T16:50:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x30247323de84cc841bd00470bdeeb89836f9f4204a0385510d735b094bfe8745
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKFD52559026
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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SONGS TO TEXTS BY HANS CHRISTIAN ANDERSEN
type: MusicAlbum
date published: 2000-01-01

Frosty Silence (The): Music for Guitar by Danish Composers
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date published: 1993-11-03

Nye danske sange
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date published: 2018-01-12

Distant Still
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date published: 2011-06-07

Scenes from a New Music Séance
type: MusicAlbum
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Danish Works for Organ
type: MusicAlbum
date published: 1995-08-29

The Plucked North
type: MusicAlbum
date published: 2010-10-01

Gudmundsen-Holmgreen: Symphony-Antiphony / Rasmussen: Symphony in Time
type: MusicAlbum
date published: 1992-12-14

The Royal Danish Academy of Music 150 years
type: MusicAlbum
date published: 2018-01-19

Gudmundsen-Holmgreen, P.: Plateaux / For Piano
type: MusicAlbum
date published: 2009-02-24

Five Danish Piano Trios
type: MusicAlbum
date published: 2015-11-06

Pelle Gudmundsen-Holmgreen: Green Ground (Live)
type: MusicAlbum
date published: 2016-10-14

GUDMUNDSEN-HOLMGREEN: For Cello and Orchestra / Concerto Grosso / Frere Jacques
type: MusicAlbum
date published: 1997-07-03

Gudmundsen-Holmgreen: Concerto Grosso, Moving Still & Last Ground
type: MusicAlbum
date published: 2008-10-28