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followers: 447
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subject of: OpenTimestamps Proof of Existence
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album: Bizet: Djamileh, WD 27
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album: Bacewicz: Complete Symphonic Works, Vol. 2
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    by artist: Łukasz Borowicz
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      date published: 2023-12-05
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
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      date published: 2026-07-08T03:20:19Z
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album: Bacewicz: Complete Symphonic Works, Vol. 1
album: Urlicht: Songs of Death and Resurrection
album: Łukasz Borowicz
album: Feliks Nowowiejski : Piano Concerto in D minor "Slavic", Op. 60, Cello Concerto, Op. 55
album: Myaskovsky, Lyadov & Rimsky-Korsakov: Cello Works
album: Kazimierz Serocki: Trombone Works
album: Piotr Beczała Arie
album: Alfvén: Symphonic Works, Vol. 3
album: Poradowski: Violin Concerto, Op. 70, Double Bass Concerto, Op. 26 & Symphony No. 3, Op. 29
album: Gablenz & Paderewski: Piano Concertos (Hyperion Romantic Piano Concerto 83)
album: Cherubini: Faniska
album: Bergson: Orchestral Works
album: Moniuszko: Paria (Live)
album: Weinberg: Works for Cello & Orchestra
album: Tcherepnin: Prelude to "La princesse lointaine", Op. 4 & Narcisse et Echo, Op. 40
album: Moniuszko: Milda & Nijoła
album: Ben-Haim, Bloch & Korngold: Works for Cello & Orchestra
album: Concertinos
album: Bruckner: Works
album: A Tribute to Benny Goodman
album: Wielkopolska 1918: Songs of the Wielkopolska Uprising
album: Alfvén: Symphony No. 3 in E Major, Uppsala Rhapsody & The Mountain King Suite
album: Alfvén: Symphony No. 1, Drapa & Midsommarvaka
album: Nowowiejski: Orchestral Works
album: Bruckner: Missa solemnis in B-Flat Minor, WAB 29
album: Songs & Fantasmagories
album: Nowowiejski: Quo Vadis
album: Sinfonia Iuventus. Muzyka Polska Na Fortepian I Orkiestre
album: Karłowicz: Orchestral Works
album: Tansman: Ballet Music
album: Vaughan Williams: Riders to the Sea, Op. 1 - Holst: At the Boar's Head. Op. 42, H. 156 (Live)
album: Stojowski & Wieniawski: Violin Concertos (Hyperion Romantic Violin Concerto 20)
album: Britten: The Turn of the Screw, Op. 54
album: Różycki: Piano Concertos Nos. 1 & 2 etc. (Hyperion Romantic Piano Concerto 67)
album: World Opera Stars: Ewa Podleś (Live)
album: Przygoda Króla Artura
album: Andrzej Panufnik: Concertos (Symphonic Works, Vol. 8)
album: Panufnik: Symphonic Works, Vol. 2
album: Beyond Chopin
album: Scharwenka: Piano Concerto No. 1 in B-Flat Minor, Op. 32 & Symphony in C Minor, Op. 60
album: Bacewicz: Complete Symphonic Works, Vol. 3

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by artist: WDR Sinfonieorchester Köln
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Urlicht: Songs of Death and Resurrection
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    date published: 2026-07-30T18:23:33Z
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track: Rückert Lieder: Um Mitternacht
track: Herr Oluf, Op. 12
track: Des Knaben Wunderhorn: Urlicht
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Die tote Stadt, Op. 12: Mein Sehnen, mein Wähnen (Pierrot's Tanzlied)
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Rückert Lieder: Um Mitternacht
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Herr Oluf, Op. 12
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Des Knaben Wunderhorn: Urlicht
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Rückert Lieder: Ich bin der Welt abhanden gekommen
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Łukasz Borowicz
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Feliks Nowowiejski : Piano Concerto in D minor "Slavic", Op. 60, Cello Concerto, Op. 55
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Myaskovsky, Lyadov & Rimsky-Korsakov: Cello Works
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Kazimierz Serocki: Trombone Works
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Cherubini: Faniska
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Concertinos
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Nowowiejski: Orchestral Works
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Bruckner: Missa solemnis in B-Flat Minor, WAB 29
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Songs & Fantasmagories
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Sinfonia Iuventus. Muzyka Polska Na Fortepian I Orkiestre
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Beyond Chopin
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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 0x57c2b99250f61ad2db0f642c21efccea000db6f4de7e5a73054214f7aac0738a. 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/HKI190966618.
    date published: 2026-07-30T18:23:33Z
  audio: Romanze ohne Worte
    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
      type: PropertyValue
      value: 0.273
    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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      value: 0.834
    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Scharwenka: Piano Concerto No. 1 in B-Flat Minor, Op. 32 & Symphony in C Minor, Op. 60
type: MusicAlbum
date published: 2024-08-06

Bacewicz: Complete Symphonic Works, Vol. 3
type: MusicAlbum
date published: 2024-09-27
track: Symphony No. 1: I. Allegro moderato
  type: MusicRecording
  duration: PT7M23S
  duration ms: 443450
  explicit: false
  by artist: Grażyna Bacewicz
  by artist: WDR Sinfonieorchester
  by artist: Łukasz Borowicz
  by artist: WDR Sinfonieorchester Köln
  in album: Bacewicz: Complete Symphonic Works, Vol. 3
    type: MusicAlbum
    date published: 2024-09-27
  genre: neoclassical
  isrc code: DEB202366101
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T10:25:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x21fe80ffc9da271e9508c68518f65107771234031e265da977e635e9ba4827d4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202366101
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T12:24:41Z
  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 0x21fe80ffc9da271e9508c68518f65107771234031e265da977e635e9ba4827d4. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEB202366101.
    date published: 2026-07-31T12:24:41Z
  audio: Symphony No. 1: I. Allegro moderato
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.717
    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
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.904
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.148
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.891
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
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track: Symphony No. 1: II. Andante
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294000
  explicit: false
  by artist: Grażyna Bacewicz
  by artist: WDR Sinfonieorchester
  by artist: Łukasz Borowicz
  by artist: WDR Sinfonieorchester Köln
  in album: Bacewicz: Complete Symphonic Works, Vol. 3
    type: MusicAlbum
    date published: 2024-09-27
  genre: neoclassical
  isrc code: DEB202366102
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T21:15:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3488e9b7e1fff3e7b6c4b7598b2133c6c2c8451e5164b5ac8fb676f307ba5ea2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960317
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202366102
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T21:35:24Z
  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 0x3488e9b7e1fff3e7b6c4b7598b2133c6c2c8451e5164b5ac8fb676f307ba5ea2. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/DEB202366102.
    date published: 2026-07-30T21:35:24Z
  audio: Symphony No. 1: II. Andante
    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
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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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
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.489
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Symphony No. 1: III. Vivo leggiero
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300000
  explicit: false
  by artist: Grażyna Bacewicz
  by artist: WDR Sinfonieorchester
  by artist: Łukasz Borowicz
  by artist: WDR Sinfonieorchester Köln
  in album: Bacewicz: Complete Symphonic Works, Vol. 3
    type: MusicAlbum
    date published: 2024-09-27
  genre: neoclassical
  isrc code: DEB202366103
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  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: Symphony No. 1: III. Vivo leggiero
track: Symphony No. 1: IV. Finale. Allegro
track: Uwertura polska
track: Partita (Version for Orchestra): I. Preludium
track: Partita (Version for Orchestra): II. Toccata
track: Partita (Version for Orchestra): III. Intermezzo

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb960584f47c11d34684b6363077fbf7ca952c942a50b41bdcc751a0214c478a0

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960317

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960317

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202366103

OTSTimestamp
type: PropertyValue
value: 2026-07-30T21:35:24Z

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 0xb960584f47c11d34684b6363077fbf7ca952c942a50b41bdcc751a0214c478a0. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/DEB202366103.
date published: 2026-07-30T21:35:24Z

Symphony No. 1: III. Vivo leggiero
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 140.741
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: 0.304
additional property: Energy
  type: PropertyValue
  value: 0.204
additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
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additional property: Instrumentalness
  type: PropertyValue
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additional property: Liveness
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additional property: Valence (Positivity)
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  value: 0.155
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.751
additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Symphony No. 1: IV. Finale. Allegro
type: MusicRecording
duration: PT7M36S
duration ms: 456842
explicit: false
by artist: Grażyna Bacewicz
by artist: WDR Sinfonieorchester
by artist: Łukasz Borowicz
by artist: WDR Sinfonieorchester Köln
in album: Bacewicz: Complete Symphonic Works, Vol. 3
  type: MusicAlbum
  date published: 2024-09-27
genre: neoclassical
isrc code: DEB202366104
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
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202366104
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 0xeacf97b4570b69c155e702a3762e926af4dbd9eda329f7b28545426f60702a9b. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DEB202366104.
  date published: 2026-07-31T23:30:38Z
audio: Symphony No. 1: IV. Finale. Allegro
  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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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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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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Uwertura polska
type: MusicRecording
duration: PT8M42S
duration ms: 522729
explicit: false
by artist: Grażyna Bacewicz
by artist: WDR Sinfonieorchester
by artist: Łukasz Borowicz
by artist: WDR Sinfonieorchester Köln
in album: Bacewicz: Complete Symphonic Works, Vol. 3
  type: MusicAlbum
  date published: 2024-09-27
genre: neoclassical
isrc code: DEB202366105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:52:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d3f31141900a78e26d3eea27be4b47476bb6467861d803b6f9e92d64d0bd733
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202366105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46Z
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 0x3d3f31141900a78e26d3eea27be4b47476bb6467861d803b6f9e92d64d0bd733. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/DEB202366105.
  date published: 2026-07-31T20:22:46Z
audio: Uwertura polska
  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
    type: PropertyValue
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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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Partita (Version for Orchestra): I. Preludium
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duration: PT3M52S
duration ms: 232000
explicit: false
by artist: Grażyna Bacewicz
by artist: WDR Sinfonieorchester
by artist: Łukasz Borowicz
by artist: WDR Sinfonieorchester Köln
in album: Bacewicz: Complete Symphonic Works, Vol. 3
  type: MusicAlbum
  date published: 2024-09-27
genre: neoclassical
isrc code: DEB202366106
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xaf3bfd3c7d6bcb0f82f15790e17e31a96b7b262ff125c35050704abe1248389e. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/DEB202366106.
  date published: 2026-08-01T02:22:04Z
audio: Partita (Version for Orchestra): I. Preludium
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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