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album: Bizet: Djamileh, WD 27
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album: Bacewicz: Complete Symphonic Works, Vol. 2
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  track: Overture for Orchestra
  track: Symphony No. 2: I. Con passione
  track: Symphony No. 2: III. Scherzo. Vivo
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album: Bacewicz: Complete Symphonic Works, Vol. 1
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album: Urlicht: Songs of Death and Resurrection
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  track: Rückert Lieder: Um Mitternacht
  track: Des Knaben Wunderhorn: Revelge
  track: Die tote Stadt, Op. 12: Mein Sehnen, mein Wähnen (Pierrot's Tanzlied)
  track: Herr Oluf, Op. 12
  track: Des Knaben Wunderhorn: Urlicht
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album: Łukasz Borowicz
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album: Feliks Nowowiejski : Piano Concerto in D minor "Slavic", Op. 60, Cello Concerto, Op. 55
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album: Myaskovsky, Lyadov & Rimsky-Korsakov: Cello Works
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album: Piotr Beczała Arie
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album: Alfvén: Symphonic Works, Vol. 3
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album: Poradowski: Violin Concerto, Op. 70, Double Bass Concerto, Op. 26 & Symphony No. 3, Op. 29
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album: Gablenz & Paderewski: Piano Concertos (Hyperion Romantic Piano Concerto 83)
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album: Cherubini: Faniska
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album: Bergson: Orchestral Works
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album: Moniuszko: Paria (Live)
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album: Weinberg: Works for Cello & Orchestra
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album: Tcherepnin: Prelude to "La princesse lointaine", Op. 4 & Narcisse et Echo, Op. 40
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album: Moniuszko: Milda & Nijoła
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album: Ben-Haim, Bloch & Korngold: Works for Cello & Orchestra
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album: Concertinos
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album: A Tribute to Benny Goodman
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album: Wielkopolska 1918: Songs of the Wielkopolska Uprising
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album: Alfvén: Symphony No. 3 in E Major, Uppsala Rhapsody & The Mountain King Suite
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album: Alfvén: Symphony No. 1, Drapa & Midsommarvaka
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album: Nowowiejski: Orchestral Works
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album: Bruckner: Missa solemnis in B-Flat Minor, WAB 29
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album: Nowowiejski: Quo Vadis
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album: Sinfonia Iuventus. Muzyka Polska Na Fortepian I Orkiestre
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album: Karłowicz: Orchestral Works
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album: Tansman: Ballet Music
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  date published: 2017-04-07
album: Vaughan Williams: Riders to the Sea, Op. 1 - Holst: At the Boar's Head. Op. 42, H. 156 (Live)
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album: Stojowski & Wieniawski: Violin Concertos (Hyperion Romantic Violin Concerto 20)
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album: Britten: The Turn of the Screw, Op. 54
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album: Różycki: Piano Concertos Nos. 1 & 2 etc. (Hyperion Romantic Piano Concerto 67)
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album: World Opera Stars: Ewa Podleś (Live)
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album: Przygoda Króla Artura
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album: Andrzej Panufnik: Concertos (Symphonic Works, Vol. 8)
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album: Panufnik: Symphonic Works, Vol. 2
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album: Beyond Chopin
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album: Bacewicz: Complete Symphonic Works, Vol. 3
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Overture for Orchestra
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Symphony No. 2: I. Con passione
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Königskinder, Act III Finale: Verdorben! Gestorben! (Fiddler's aria)
type: MusicRecording
duration: PT6M41S
duration ms: 401680
explicit: false
by artist: Engelbert Humperdinck
by artist: Samuel Hasselhorn
by artist: Poznań Philharmonic Orchestra
by artist: Łukasz Borowicz
by artist: Poznań Nightingales
in album: Urlicht: Songs of Death and Resurrection
  type: MusicAlbum
  date published: 2024-06-14
genre: opera
isrc code: FR7JM2376020
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9944c2285b8b37bf34ab9d6feb69f01740bc319b08bdab863d512e153428261f. 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/FR7JM2376020.
  date published: 2026-07-08T03:22:41Z
audio: Königskinder, Act III Finale: Verdorben! Gestorben! (Fiddler's aria)
  type: AudioObject
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Rückert Lieder: Um Mitternacht
type: MusicRecording
duration: PT5M31S
duration ms: 331306
explicit: false
by artist: Gustav Mahler
by artist: Samuel Hasselhorn
by artist: Poznań Philharmonic Orchestra
by artist: Łukasz Borowicz
in album: Urlicht: Songs of Death and Resurrection
  type: MusicAlbum
  date published: 2024-06-14
genre: classical
genre: orchestra
isrc code: FR7JM2376040
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2376040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1a3af0c475f2aa7f6fa61f8aacbcce9471d38558d05a476c8d4b6a9873f7283. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FR7JM2376040.
  date published: 2026-07-08T03:53:27Z
audio: Rückert Lieder: Um Mitternacht
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  additional property: Tempo (BPM)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Des Knaben Wunderhorn: Revelge
type: MusicRecording
duration: PT6M28S
duration ms: 388333
explicit: false
by artist: Gustav Mahler
by artist: Samuel Hasselhorn
by artist: Poznań Philharmonic Orchestra
by artist: Łukasz Borowicz
in album: Urlicht: Songs of Death and Resurrection
  type: MusicAlbum
  date published: 2024-06-14
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8dd4fc42f505267107839b009fb192014fcc8b70f822cf7bacc2ac01c23e57a. 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/FR7JM2376010.
  date published: 2026-07-30T18:23:33Z
audio: Des Knaben Wunderhorn: Revelge
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  additional property: Tempo (BPM)
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    type: PropertyValue
    value: 5
  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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  additional property: Loudness (dB)
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isrc code: FR7JM2376010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Die tote Stadt, Op. 12: Mein Sehnen, mein Wähnen (Pierrot's Tanzlied)
type: MusicRecording
duration: PT4M3S
duration ms: 243920
explicit: false
by artist: Erich Wolfgang Korngold
by artist: Samuel Hasselhorn
by artist: Poznań Philharmonic Orchestra
by artist: Łukasz Borowicz
in album: Urlicht: Songs of Death and Resurrection
  type: MusicAlbum
  date published: 2024-06-14
genre: early-modern-classical
genre: classic-soundtrack
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e14c69bf20c78df373712f638b6d14f7004664ad749be8a48c24f7183ea98fa. 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/FR7JM2376030.
  date published: 2026-07-31T21:25:57Z
audio: Die tote Stadt, Op. 12: Mein Sehnen, mein Wähnen (Pierrot's Tanzlied)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  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
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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isrc code: FR7JM2376030
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Herr Oluf, Op. 12
type: MusicRecording
duration: PT7M51S
duration ms: 471493
explicit: false
by artist: Hans Pfitzner
by artist: Samuel Hasselhorn
by artist: Poznań Philharmonic Orchestra
by artist: Łukasz Borowicz
in album: Urlicht: Songs of Death and Resurrection
  type: MusicAlbum
  date published: 2024-06-14
genre: german-romanticism
genre: early-modern-classical
genre: post-romantic-era
genre: german-opera
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45f37fbe4ee96448e428dabac36ce865b56d858def0966d25cc47c814f261ac1. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/FR7JM2376050.
  date published: 2026-07-31T23:51:35Z
audio: Herr Oluf, Op. 12
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  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    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
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.12
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.012
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FR7JM2376050
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35+00:00
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

Des Knaben Wunderhorn: Urlicht
type: MusicRecording
duration: PT5M44S
duration ms: 344133
explicit: false
by artist: Gustav Mahler
by artist: Samuel Hasselhorn
by artist: Poznań Philharmonic Orchestra
by artist: Łukasz Borowicz
in album: Urlicht: Songs of Death and Resurrection
  type: MusicAlbum
  date published: 2024-06-14
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbb4c6390edb728ca4e72458fd73cb71faedf5b5d07421df7209f25195eb3a0c. 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/FR7JM2376060.
  date published: 2026-07-31T12:24:41Z
audio: Des Knaben Wunderhorn: Urlicht
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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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isrc code: FR7JM2376060
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Rückert Lieder: Ich bin der Welt abhanden gekommen
type: MusicRecording
duration: PT5M54S
duration ms: 354693
explicit: false
by artist: Gustav Mahler
by artist: Samuel Hasselhorn
by artist: Poznań Philharmonic Orchestra
by artist: Łukasz Borowicz
in album: Urlicht: Songs of Death and Resurrection
  type: MusicAlbum
  date published: 2024-06-14
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x656cc1a99ddbced9b4d33d2342fce0c5a6f92ad5efd216e3f55ebca9c6ea6a0e. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/FR7JM2376100.
  date published: 2026-07-30T09:37:10Z
audio: Rückert Lieder: Ich bin der Welt abhanden gekommen
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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additional property: OTSVerifyInstructions
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Halka, Act IV: "Nieszczęsna Halka! ...Szumią jodły na gór szczycie" (Jontek)
type: MusicRecording
duration: PT6M15S
duration ms: 375026
explicit: false
by artist: Stanisław Moniuszko
by artist: Piotr Beczala
by artist: Polska Orkiestra Radiowa
by artist: Łukasz Borowicz
in album: Piotr Beczała Arie
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T08:56:20Z
audio: Halka, Act IV: "Nieszczęsna Halka! ...Szumią jodły na gór szczycie" (Jontek)
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Prelude to "La princesse lointaine", Op. 4
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duration: PT8M13S
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explicit: false
by artist: Nikolai Tcherepnin
by artist: Bamberg Symphony
by artist: Łukasz Borowicz
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  date published: 2026-07-08T03:39:04Z
audio: Prelude to "La princesse lointaine", Op. 4
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Violin Concerto in G Minor, Op. 22: I. Allegro deciso
type: MusicRecording
duration: PT13M20S
duration ms: 800840
explicit: false
by artist: Zygmunt Stojowski
by artist: Bartłomiej Nizioł
by artist: BBC Scottish Symphony Orchestra
by artist: Łukasz Borowicz
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T08:56:20Z
audio: Violin Concerto in G Minor, Op. 22: I. Allegro deciso
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Fantasia on Themes from Gounod's Faust, Op. 20
type: MusicRecording
duration: PT18M48S
duration ms: 1128160
explicit: false
by artist: Henryk Wieniawski
by artist: Bartłomiej Nizioł
by artist: BBC Scottish Symphony Orchestra
by artist: Łukasz Borowicz
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:39:04Z
audio: Fantasia on Themes from Gounod's Faust, Op. 20
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Piano Concerto No. 1 in G Minor, Op. 43: II. Andante con moto
type: MusicRecording
duration: PT6M30S
duration ms: 390960
explicit: false
by artist: Ludomir Różycki
by artist: Łukasz Borowicz
by artist: Jonathan Plowright
by artist: BBC Scottish Symphony Orchestra
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  date published: 2026-07-08T08:56:20Z
audio: Piano Concerto No. 1 in G Minor, Op. 43: II. Andante con moto
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Ballade in G Major, Op. 18
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duration: PT10M34S
duration ms: 634986
explicit: false
by artist: Ludomir Różycki
by artist: BBC Scottish Symphony Orchestra
by artist: Jonathan Plowright
by artist: Łukasz Borowicz
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  date published: 2026-07-31T17:29:52Z
audio: Ballade in G Major, Op. 18
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  value: https://blockstream.info/api/block-height/960441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
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

Lucrezia Borgia, Act II Scene 5: Il segreto per esser felici
type: MusicRecording
duration: PT3M21S
duration ms: 201000
explicit: false
by artist: Gaetano Donizetti
by artist: Ewa Podles
by artist: Filharmonia Poznańska
by artist: Łukasz Borowicz
in album: World Opera Stars: Ewa Podleś (Live)
  type: MusicAlbum
  date published: 2015-06-02
genre: opera
isrc code: PLA161413405
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:16:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x48178b18abf8b5da86d6847855f6dba99eed789e2a49d6c6222f0dd0ac0962f0
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/PLA161413405
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48178b18abf8b5da86d6847855f6dba99eed789e2a49d6c6222f0dd0ac0962f0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLA161413405.
  date published: 2026-07-08T03:53:27Z
audio: Lucrezia Borgia, Act II Scene 5: Il segreto per esser felici
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 175.92
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.283
  additional property: Speechiness
    type: PropertyValue
    value: 0.331
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.693
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.743
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Il trovatore, Act II: Stride la vampa!
type: MusicRecording
duration: PT2M59S
duration ms: 179893
explicit: false
by artist: Giuseppe Verdi
by artist: Ewa Podles
by artist: Filharmonia Poznańska
by artist: Łukasz Borowicz
in album: World Opera Stars: Ewa Podleś (Live)
  type: MusicAlbum
  date published: 2015-06-02
genre: classical
genre: opera
isrc code: PLA161413410
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:13:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9c6d19854b4db26db9c769f8ba65f0ead26f3979a7ca60607a57f1165ac60d22
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161413410
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957124
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:53:27+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c6d19854b4db26db9c769f8ba65f0ead26f3979a7ca60607a57f1165ac60d22. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLA161413410.
  date published: 2026-07-08T03:53:27Z
audio: Il trovatore, Act II: Stride la vampa!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.917
  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: 0.443
  additional property: Energy
    type: PropertyValue
    value: 0.184
  additional property: Speechiness
    type: PropertyValue
    value: 0.091
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.707
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.25
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.908
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Przygoda Króla Artura: Miłości Pragną
type: MusicRecording
duration: PT0M31S
duration ms: 31506
explicit: false
by artist: Grażyna Bacewicz
by artist: Łukasz Borowicz
by artist: Polish Radio Symphony Orchestra
in album: Przygoda Króla Artura
  type: MusicAlbum
  date published: 2014-11-17
popularity: 0
genre: neoclassical
isrc code: PLA390918916
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:27:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xffcb8d21f5cdeb6d9ccc3ab2656f7bcf4e41755ddcf314c4ed4033697e7dffcf
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/PLA390918916
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffcb8d21f5cdeb6d9ccc3ab2656f7bcf4e41755ddcf314c4ed4033697e7dffcf. 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/PLA390918916.
  date published: 2026-07-08T03:22:41Z
audio: Przygoda Króla Artura: Miłości Pragną
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.842
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.406
  additional property: Energy
    type: PropertyValue
    value: 0.066
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.249
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.339
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.054
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major