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subject of: OpenTimestamps Proof of Existence
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album: Huber: Phantasie Op. 17, Sonata No. 5 & 6
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  date published: 2011-07-31
album: Huber: Piano Quintet No. 1 in G Minor, Op. 111 & Piano Quintet No. 2 in G Major, Op. 125
  type: MusicAlbum
  date published: 2024-05-13
album: Hans Huber Early Works for Orchestra (World premiere recording)
  type: MusicAlbum
  date published: 2022-01-15
album: Hans Huber: Works for Violin, Violoncello and Piano
  type: MusicAlbum
  date published: 2015-11-04
album: Hans Huber: Piano Quintets Nos. 1 & 2 (First Recording, Deluxe Version)
  type: MusicAlbum
  date published: 2015-04-30
album: Hans Huber: Works for Violoncello & Piano
  type: MusicAlbum
  date published: 2014-03-05
album: Huber: Piano Quintet No. 1, Op. 111 & Piano Quartet No. 2 in E Major, Op. 117, "Waldlieder"
  type: MusicAlbum
  date published: 2014-01-01
album: Huber: Piano Concerto No. 1 in C Minor - Piano Concerto No. 3 in D Major
  type: MusicAlbum
  date published: 2010-05-04
album: Huber: Symphony Nos. 8 & 4
  type: MusicAlbum
  date published: 2006-04-25
album: Huber: Symphony No. 5 "Erste Serenade"
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  date published: 2006-04-25
album: Huber: Symphony No. 2 in E Minor, Op. 115 & Overtures
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  date published: 2006-04-25
album: Huber: Symphonies Nos. 1 & 7
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  date published: 2006-04-25
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      date published: 2026-07-31T02:19:15Z
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    subject of: OpenTimestamps Proof of Existence
    audio: Symphony No. 1 in D Minor, Op. 63: II. Adagio ma non troppo
  track: Symphony No. 1 in D Minor, Op. 63: III. Allegretto - Im langsamen Hochzeitmarschtempo
  track: Symphony No. 1 in D Minor, Op. 63: IV. Andante - Allegro con fuoco
album: Huber: Sinfonie Nr. 3 C-Dur, Op. 118 "Heroische"
album: Huber: Vier Gesänge für gemischten Chor mit Begleitung des Pianoforte, Op. 93: No. 2, Nixenreigen
album: Serenade No. 2, Winternächte, WoO (Live)
album: Carnival from Serenade No. 2
album: Introducing Sterling Records
album: Stilles Leuchten - Swiss Choral Music of the Late Romantic Era
album: Singer Pur: Herztone (Love Songs)
album: Invitation à la Danse
album: Folksongs of Another America: Field Recordings from the Upper Midwest, 1937-1946
album: Singer Pur: German Folksongs
album: H. Huber, A. Mendelssohn, M. Moszkowski: Trios (World Premiere Recording)
album: Elegy: Music for Cor Anglais, Vol. 2
album: Diluvium
album: Swiss Dreams (Live)
album: PROSPERO Catalogue 2024 - Our Listening Tips II: Various Composers
album: Helmut Nieberle & Friends
album: The Sound Of Bavaria
album: Romance
album: Herzblut: Swiss A Cappella Music
album: Wartensee: Der Friede - Huber: Aus Mirza-Schaffy-Album - Andreæ: Lieder Aus Den Sammlungen
album: Musique et nature au Château de Gruyères (Music and Nature): Liszt, Hünerwadel, Hahnemann, Huber, Bovy-Lysberg, Boissier-Butini, Ruthardt, Adler & Raff
album: Lieder us um Tal - An Homage to Swiss Art Song
album: Raiser, Christian-Markus: Romantic Organ Music
album: Touch 2019
album: Schweizer Bläserquintett plays Paul Juon & Hans Huber
album: Weber, Messe du Freischutz, Mass from Freischutz
album: Schumann: Papillons - Kirchner: Romanzen - Huber: Stimmungen, Op. 35 - Liszt: Müller-Lieder Von Franz Schubert
album: The Instrumental Radio Collection, Vol. 2

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date published: 2026-07-31T23:30:38Z

Symphony No. 1 in D Minor, Op. 63: II. Adagio ma non troppo
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  date published: 2026-07-08T03:20:19Z
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Huber: Sinfonie Nr. 3 C-Dur, Op. 118 "Heroische"
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Huber: Vier Gesänge für gemischten Chor mit Begleitung des Pianoforte, Op. 93: No. 2, Nixenreigen
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Serenade No. 2, Winternächte, WoO (Live)
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Carnival from Serenade No. 2
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Introducing Sterling Records
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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 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 0x0473cf6a348f8cea0f39201383f3989180ca50cac4b82b291274a072c6a9074b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWSJ1650517 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony in D Minor, Op. 17: III. Adagio molto
    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: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.079
    additional property: Energy
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      value: 0.066
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.931
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.894
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.036
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.099
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Stilles Leuchten - Swiss Choral Music of the Late Romantic Era
type: MusicAlbum
date published: 2024-08-30
track: Vier Gesänge für gemischten Chor mit Begleitung des Pianoforte, Op. 93: No. 1, Die Nacht
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284900
  explicit: false
  by artist: Hans Huber
  by artist: Ludwig Uhland
  by artist: Basler Madigalisten
  by artist: Raphael Immoos
  by artist: Basler Madrigalisten
  in album: Stilles Leuchten - Swiss Choral Music of the Late Romantic Era
    type: MusicAlbum
    date published: 2024-08-30
  genre: polka
  isrc code: CHE272402697
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T00:08:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3ef6969a58fe9f56515f89d9e100f60e6c6e60a69c6d1699e6839e41466b5039
  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/CHE272402697
  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 0x3ef6969a58fe9f56515f89d9e100f60e6c6e60a69c6d1699e6839e41466b5039. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272402697 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Vier Gesänge für gemischten Chor mit Begleitung des Pianoforte, Op. 93: No. 1, Die Nacht
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.29
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.153
    additional property: Energy
      type: PropertyValue
      value: 0.106
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.847
    additional property: Liveness
      type: PropertyValue
      value: 0.225
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.051
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.452
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Drei Lieder älterer Dichter, Op. 16: No. 3, Winters Ende
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139105
  explicit: false
  by artist: Hermann Suter
  by artist: Johann Georg Jacobi
  by artist: Basler Madigalisten
  by artist: Raphael Immoos
  by artist: Basler Madrigalisten
  in album: Stilles Leuchten - Swiss Choral Music of the Late Romantic Era
    type: MusicAlbum
    date published: 2024-08-30
  isrc code: CHE272402703
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T06:25:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8429659f51ed58b86b25595de70c33e55c8ffe4634081f407842ddec18de0b62
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960216
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960216
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272402703
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T06:39:12Z
  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 0x8429659f51ed58b86b25595de70c33e55c8ffe4634081f407842ddec18de0b62. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272402703 — a six-check JSON result.
    date published: 2026-07-30T06:39:12Z
  audio: Drei Lieder älterer Dichter, Op. 16: No. 3, Winters Ende
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.916
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.241
    additional property: Energy
      type: PropertyValue
      value: 0.177
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.993
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.05
    additional property: Liveness
      type: PropertyValue
      value: 0.186
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.056
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Singer Pur: Herztone (Love Songs)
type: MusicAlbum
date published: 2005-01-01
track: Des Abends, da kann ich nicht schlafen gehn (arr. G. Heidloff)
  type: MusicRecording
  duration: PT1M41S
  duration ms: 101293
  explicit: false
  by artist: Traditional
  by artist: Guido Heidloff
  by artist: Singer Pur
  in album: Singer Pur: Herztone (Love Songs)
    type: MusicAlbum
    date published: 2005-01-01
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
  genre: traditional-music
  isrc code: DEU920551615
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T05:09:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2427e66aad3b04190d33f2a396757067646ea904dc7da1555021b01083e822f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960210
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960210
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU920551615
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T05:21:45Z
  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 0x2427e66aad3b04190d33f2a396757067646ea904dc7da1555021b01083e822f6. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU920551615 — a six-check JSON result.
    date published: 2026-07-30T05:21:45Z
  audio: Des Abends, da kann ich nicht schlafen gehn (arr. G. Heidloff)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.739
    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: 0.294
    additional property: Energy
      type: PropertyValue
      value: 0.058
    additional property: Speechiness
      type: PropertyValue
      value: 0.068
    additional property: Acousticness
      type: PropertyValue
      value: 0.941
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.108
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.895
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Invitation à la Danse
type: MusicAlbum
date published: 2015-05-18
track: Danses suédoises, Op. 63: II. Ruhig bewegt
  type: MusicRecording
  duration: PT1M6S
  duration ms: 66520
  explicit: false
  by artist: Max Bruch
  by artist: Dana Ciocarlie
  by artist: Christiane Baume-Sanglard
  in album: Invitation à la Danse
    type: MusicAlbum
    date published: 2015-05-18
  isrc code: CH1261550119
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T20:23:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4227afd1fe3e4d787a172bd711d4411c8e207c97fce5d2782099b666702d746f
  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/CH1261550119
  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 0x4227afd1fe3e4d787a172bd711d4411c8e207c97fce5d2782099b666702d746f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1261550119 — a six-check JSON result.
    date published: 2026-07-31T20:42:35Z
  audio: Danses suédoises, Op. 63: II. Ruhig bewegt
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.505
    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: 0.463
    additional property: Energy
      type: PropertyValue
      value: 0.044
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.911
    additional property: Liveness
      type: PropertyValue
      value: 0.087
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.327
    additional property: Loudness (dB)
      type: PropertyValue
      value: -31.704
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Danses suédoises, Op. 63: XII. Langsam, nicht schleppend
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116453
  explicit: false
  by artist: Max Bruch
  by artist: Dana Ciocarlie
  by artist: Christiane Baume-Sanglard
  in album: Invitation à la Danse
    type: MusicAlbum
    date published: 2015-05-18
  isrc code: CH1261550129
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T01:38:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe649ff0158307306578b07c5ac7e93689d7cc06676bc04d501029111c4a1260f
  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/CH1261550129
  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 0xe649ff0158307306578b07c5ac7e93689d7cc06676bc04d501029111c4a1260f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1261550129 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Danses suédoises, Op. 63: XII. Langsam, nicht schleppend
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.655
    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: 0.455
    additional property: Energy
      type: PropertyValue
      value: 0.077
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.915
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.074
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.592
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Danses suédoises, Op. 63: XIV. Gehend, ruhig bewegt
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108213
  explicit: false
  by artist: Max Bruch
  by artist: Dana Ciocarlie
  by artist: Christiane Baume-Sanglard
  in album: Invitation à la Danse
    type: MusicAlbum
    date published: 2015-05-18
  isrc code: CH1261550131
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:30:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x51e2c8b8884f02dd6b248e3be083443704c209049e19d72358d4519d98d3414a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Danses suédoises, Op. 63: XIV. Gehend, ruhig bewegt

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1261550131

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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 0x51e2c8b8884f02dd6b248e3be083443704c209049e19d72358d4519d98d3414a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1261550131 — a six-check JSON result.
date published: 2026-07-02T03:55:08Z

Danses suédoises, Op. 63: XIV. Gehend, ruhig bewegt
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 113.879
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.413
additional property: Energy
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Folksongs of Another America: Field Recordings from the Upper Midwest, 1937-1946
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Singer Pur: German Folksongs
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H. Huber, A. Mendelssohn, M. Moszkowski: Trios (World Premiere Recording)
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Elegy: Music for Cor Anglais, Vol. 2
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Diluvium
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Swiss Dreams (Live)
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PROSPERO Catalogue 2024 - Our Listening Tips II: Various Composers
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date published: 2024-12-06

Helmut Nieberle & Friends
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date published: 2023-09-15

The Sound Of Bavaria
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date published: 2009-05-01

Romance
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date published: 2018-12-10

Herzblut: Swiss A Cappella Music
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date published: 2022-10-28

Wartensee: Der Friede - Huber: Aus Mirza-Schaffy-Album - Andreæ: Lieder Aus Den Sammlungen
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date published: 2013-01-01

Musique et nature au Château de Gruyères (Music and Nature): Liszt, Hünerwadel, Hahnemann, Huber, Bovy-Lysberg, Boissier-Butini, Ruthardt, Adler & Raff
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date published: 2013-05-05

Lieder us um Tal - An Homage to Swiss Art Song
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date published: 2023-02-03

Raiser, Christian-Markus: Romantic Organ Music
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Touch 2019
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date published: 2019-08-14

Schweizer Bläserquintett plays Paul Juon & Hans Huber
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Weber, Messe du Freischutz, Mass from Freischutz
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Schumann: Papillons - Kirchner: Romanzen - Huber: Stimmungen, Op. 35 - Liszt: Müller-Lieder Von Franz Schubert
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The Instrumental Radio Collection, Vol. 2
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