Ofra Harnoy
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genre: chamber-music
description: Ofra Harnoy (; born January 31, 1965) is an Israeli-Canadian cellist. She is a Member of the Order of Canada. When she signed with RCA Victor Red Seal, Harnoy became the first Canadian classical inst
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  track: Tennessee (from "Pearl Harbor")
  track: Serse, HWV 40, Act I: Ombra mai fu (Arr. for Cello and Piano)
  track: Suite pour violoncelle No.1 en sol majeur, BWV 1007: Praeludium
  track: Song of the Birds
  track: Ave Maria
  track: Les berceaux, Op. 23 No. 1
  track: Salut d'amour, Op. 12
  track: Malena (from "Malena")
  track: Sonata for Arpeggione and Piano in A Minor, D.821: II. Adagio
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  track: Samson et Dalila, Op. 47: Mon coeur s'ouvre à ta voix (Arr. for Cello and Piano)
  track: Unaccompanied Cello Suite No. 1 in G major, BWV 1007: IV. Sarabande
  track: Nessun Dorma
  track: The Mission: Gabriel's Oboe
  track: Funeral Ikos
  track: Après un rêve
  track: L'Inverno (Winter) Op. 8 No. 4 in F minor: II. Largo
  track: Moon River
  track: Cello Concerto in D Major, RV 403: Andante e spiritoso
  track: Elegie
  track: Silouan's Song
  track: Lacrimosa
  track: Magnificat en mi bémol majeur, BWV 243a: "Deposuit potentes"
  track: Fantasiestücke, Op. 73: I. Zart und mit Ausdruck
  track: Danse macabre
  track: Rêverie, L.68 (Arr. for Cello, Piano, Alto, Violins, Flute and Clarinet)
  track: Time (From "Inception")
  track: Rêverie au bord de la mer, WoO
  track: L'Estate (Summer) Op. 8 No. 2 in G minor: III. Presto
  track: Gymnopédie No. 1 (Arr. for Cello and Guitar)
  track: Sonata No. 5 in D Mjor, Op. 102 No. 2: III. Allegro fugato
  track: La Primavera (Spring) Op. 8 No. 1 in D major: I. Allegro
  track: Werther: Pourquoi me réveiller (Arr. for Cello and Piano)
  track: Concerto for Cello and Orchestra in A Minor, Op. 129: Cadenza - Original Ending
  track: Je te veux
  track: Porgy and Bess: Summertime (Arr. for Cello and Piano)
  track: Schindler's List Main Theme
album: Covers From Away
album: St. John’s Waltz / Cara’s Waltz
album: On The Rock
album: Ofra Harnoy, Vol. 1: Offenbach, Tchaikovsky & Saint-Saëns
album: Very Best of Placido Domingo
album: Adagio
album: Relax Vol.II: Smooth Classics
album: Kinder Klassik - Die Jahreszeiten
album: Chilling Cello
album: Chilling Cello Vol. 2
album: Barocco Veneziano
album: Chilling Cello - A Relaxing Evening
album: Chilling Cello, Vol. 3
album: Elgar & Lalo Cello Concertos
album: Portrait
album: Back to Bach
album: Ofra Harnoy & Friends
album: Vivaldi: Complete Cello Concertos
album: Schubert - String Quartet In C
album: Ofra Harnoy: Bach to Offenbach
album: Offenbach: Concerto Militaire - Lalo: Cello Concerto
album: Vivaldi Concertos, Volume 3
album: Ofra Harnoy plays Vivaldi
album: II. Lento - Allegro molto
album: It Ain't Necessarily So
album: Ofra Harnoy and Winona Zelenka Play Halsey Stevens
album: Gershwin: Summertime
album: Music for Babies
album: Tchaikovsky for Relaxation
album: Cello For Relaxation
album: Big Classical Beatles Box
album: Vivaldi for Relaxation
album: Farewell To Galway
album: Romantic Cello
album: The Baroque Album
album: Cello zum Chillen
album: Connemara By The Lake
album: Tchaikovsky: 1812 Overture, Romeo and Juliet & Capriccio italien
album: "Sleeping Beauty" & Other Orchestral Works by Tchaikovsky
album: Ould Claddagh Ring
album: "Valse Sentimentale" & Other Tchaikovsky Essentials

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Tennessee (from "Pearl Harbor")
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Serse, HWV 40, Act I: Ombra mai fu (Arr. for Cello and Piano)
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Suite pour violoncelle No.1 en sol majeur, BWV 1007: Praeludium
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Song of the Birds
type: MusicRecording
duration: PT3M42S
duration ms: 222053
explicit: false
by artist: Pablo Casals
by artist: Sol Gabetta
by artist: Cello Ensemble of the Amsterdam Sinfonietta
by artist: Amsterdam Sinfonietta
in album: Violoncelle Apaisant (Musique Classique)
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  date published: 2021-02-24
isrc code: DEE471400267
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e76cc2343703318cd08e0cb47b25746f3625257dd495d80011e080372cffc8e. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/DEE471400267.
  date published: 2026-07-07T15:15:30Z
audio: Song of the Birds
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Ave Maria
type: MusicRecording
duration: PT2M43S
duration ms: 163266
explicit: false
by artist: Charles Gounod
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Violoncelle Apaisant (Musique Classique)
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  date published: 2021-02-24
genre: opera
isrc code: USQX91500811
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:43:21Z
audio: Ave Maria
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Les berceaux, Op. 23 No. 1
type: MusicRecording
duration: PT2M27S
duration ms: 147600
explicit: false
by artist: Gabriel Fauré
by artist: Christian-Pierre La Marca
in album: Violoncelle Apaisant (Musique Classique)
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Les berceaux, Op. 23 No. 1
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Salut d'amour, Op. 12
type: MusicRecording
duration: PT2M45S
duration ms: 165013
explicit: false
by artist: Edward Elgar
by artist: Jan Vogler
by artist: Dresdner Kapellsolisten
by artist: Helmut Branny
by artist: Dresden Cathedral Soloists
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  date published: 2021-02-24
genre: classical
genre: late-romantic-era
genre: british-modern-classical
genre: victorian-britain
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Salut d'amour, Op. 12
  type: AudioObject
  additional property: Tempo (BPM)
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Malena (from "Malena")
type: MusicRecording
duration: PT2M22S
duration ms: 142512
explicit: false
by artist: Ennio Morricone
by artist: HAUSER
by artist: Czech Studio Orchestra
by artist: Robert Ziegler
in album: Violoncelle Apaisant (Musique Classique)
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isrc code: USSM12005538
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additional property: CopyrightStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T20:41:57Z
audio: Malena (from "Malena")
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  additional property: Danceability
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Sonata for Arpeggione and Piano in A Minor, D.821: II. Adagio
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duration: PT4M22S
duration ms: 262133
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by artist: Franz Schubert
by artist: Sonia Wieder-Atherton
by artist: Raphaël Oleg
by artist: Imogen Cooper
in album: Violoncelle Apaisant (Musique Classique)
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  date published: 2021-02-24
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FRZ059804790
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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Sonata for Arpeggione and Piano in A Minor, D.821: II. Adagio
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Requiem en ré mineur, Op. 48: "Pie Jesu"
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duration: PT3M39S
duration ms: 219413
explicit: false
by artist: Gabriel Fauré
by artist: Christian-Pierre La Marca
by artist: Alexis Kossenko
by artist: Les Ambassadeurs
by artist: Elizabeth Geiger
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  date published: 2021-02-24
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Requiem en ré mineur, Op. 48: "Pie Jesu"
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O ma belle rebelle
type: MusicRecording
duration: PT2M2S
duration ms: 122560
explicit: false
by artist: Charles Gounod
by artist: Christian-Pierre La Marca
in album: Violoncelle Apaisant (Musique Classique)
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genre: opera
isrc code: FRZ081100126
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cd684dc860f6fcb34cad9fdb1c8c28bb40f709f417c343db306f0b0da669224. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FRZ081100126.
  date published: 2026-07-06T06:56:49Z
audio: O ma belle rebelle
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Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]
type: MusicRecording
duration: PT1M49S
duration ms: 109800
explicit: false
by artist: Johannes Brahms
by artist: Yo-Yo Ma
by artist: Kathryn Stott
in album: Violoncelle Apaisant (Musique Classique)
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genre: classical
genre: german-romanticism
genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5b0cf0f5b7626cb29a36f99f3b8c6a35569d7c2a8531f8760c6aaef0b2eac13. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/USQX91500812.
  date published: 2026-07-07T14:50:41Z
audio: Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]
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Samson et Dalila, Op. 47: Mon coeur s'ouvre à ta voix (Arr. for Cello and Piano)
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duration: PT3M10S
duration ms: 190026
explicit: false
by artist: Camille Saint-Saëns
by artist: Christian-Pierre La Marca
by artist: Lise de la Salle
in album: Violoncelle Apaisant (Musique Classique)
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genre: classical
genre: late-romantic-era
genre: french-romanticism
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01cef5caa8bc2d18b01ce5dc02b988415d08260e4c0d08d5dc588a182780a5a2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051800086.
  date published: 2026-07-08T03:20:19Z
audio: Samson et Dalila, Op. 47: Mon coeur s'ouvre à ta voix (Arr. for Cello and Piano)
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Unaccompanied Cello Suite No. 1 in G major, BWV 1007: IV. Sarabande
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duration: PT2M30S
duration ms: 150373
explicit: false
by artist: Johann Sebastian Bach
by artist: Yo-Yo Ma
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
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genre: classical
genre: classical-piano
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddb4986a98375d353ad2d671f5fd17bac4f463da4c78b7d4a43cb6c33ef928c9. 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/USQX91801092.
  date published: 2026-07-08T03:22:41Z
audio: Unaccompanied Cello Suite No. 1 in G major, BWV 1007: IV. Sarabande
  type: AudioObject
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Nessun Dorma
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duration: PT2M57S
duration ms: 177960
explicit: false
by artist: Giacomo Puccini
by artist: HAUSER
by artist: London Symphony Orchestra
by artist: Robert Ziegler
in album: Violoncelle Apaisant (Musique Classique)
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  date published: 2021-02-24
isrc code: USSM11911365
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c0f17dc8517474e52d3ac3740114d3cf9935b86354b6086c5e7c630d1c023c4. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USSM11911365.
  date published: 2026-07-06T07:16:32Z
audio: Nessun Dorma
  type: AudioObject
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The Mission: Gabriel's Oboe
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duration: PT3M17S
duration ms: 197866
explicit: false
by artist: Ennio Morricone
by artist: Yo-Yo Ma
by artist: Roma Sinfonietta
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isrc code: USSM10412223
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: The Mission: Gabriel's Oboe
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Funeral Ikos
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duration ms: 204106
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by artist: Christian-Pierre La Marca
by artist: Alexis Kossenko
by artist: Les Ambassadeurs
in album: Violoncelle Apaisant (Musique Classique)
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isrc code: FRZ051500716
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Funeral Ikos
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  additional property: Danceability
    type: PropertyValue
    value: 0.106
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.765
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.083
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
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Après un rêve
type: MusicRecording
duration: PT2M57S
duration ms: 177973
explicit: false
by artist: Gabriel Fauré
by artist: Christian-Pierre La Marca
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
  date published: 2021-02-24
isrc code: FRZ081100123
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:48:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd5df1bd2348b7de0211a571abc383f2213847a57ba3307ab7eef54ab43f6341e
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/FRZ081100123
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5df1bd2348b7de0211a571abc383f2213847a57ba3307ab7eef54ab43f6341e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ081100123.
  date published: 2026-07-08T03:20:19Z
audio: Après un rêve
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.618
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.125
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.913
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.033
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.237
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

L'Inverno (Winter) Op. 8 No. 4 in F minor: II. Largo
type: MusicRecording
duration: PT1M54S
duration ms: 114546
explicit: false
by artist: Antonio Vivaldi
by artist: Luka Sulic
by artist: Archi dell'Accademia di Santa Cecilia
by artist: Luigi Piovano
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
  date published: 2021-02-24
isrc code: USSM11904864
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T21:10:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd06b4ab8da9a303688f22581baa357f7acffb27c4dde44ee8de38d590296b15
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/USSM11904864
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd06b4ab8da9a303688f22581baa357f7acffb27c4dde44ee8de38d590296b15. 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/USSM11904864.
  date published: 2026-07-08T03:53:27Z
audio: L'Inverno (Winter) Op. 8 No. 4 in F minor: II. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.716
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.328
  additional property: Energy
    type: PropertyValue
    value: 0.221
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.885
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.898
  additional property: Liveness
    type: PropertyValue
    value: 0.195
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.165
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.438
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Moon River
type: MusicRecording
duration: PT3M12S
duration ms: 192840
explicit: false
by artist: Henry Mancini
by artist: 2CELLOS
by artist: Robin Smith
by artist: London Symphony Orchestra
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
  date published: 2021-02-24
genre: adult-standards
genre: easy-listening
genre: classic-soundtrack
isrc code: USSM11609378
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T22:40:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5ab4b476a2e16c5860b1c9b38ba05ad25da28373be61e33a2fc7c33845d6221e
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/USSM11609378
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab4b476a2e16c5860b1c9b38ba05ad25da28373be61e33a2fc7c33845d6221e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11609378.
  date published: 2026-07-08T03:20:19Z
audio: Moon River
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.208
  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: 0.178
  additional property: Energy
    type: PropertyValue
    value: 0.248
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.929
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.872
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cello Concerto in D Major, RV 403: Andante e spiritoso
type: MusicRecording
duration: PT3M31S
duration ms: 211693
explicit: false
by artist: Antonio Vivaldi
by artist: Ofra Harnoy
by artist: Paul Robinson
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
  date published: 2021-02-24
isrc code: USBC18900185
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:40:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98b1675b36d2c54502f3e1384baae66baaef257cfc92c34ad006fb5b73cbc9fd
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/USBC18900185
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b1675b36d2c54502f3e1384baae66baaef257cfc92c34ad006fb5b73cbc9fd. 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/USBC18900185.
  date published: 2026-07-08T03:53:27Z
audio: Cello Concerto in D Major, RV 403: Andante e spiritoso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.879
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.101
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.977
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.067
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Elegie
type: MusicRecording
duration: PT2M4S
duration ms: 124466
explicit: false
by artist: Jules Massenet
by artist: Christian-Pierre La Marca
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
  date published: 2021-02-24
genre: classical
isrc code: FRZ081100133
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:07:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2561e30aaaad0dd34e1499b3b22bd862db9373c55da25f42283a8fcd5fc98345
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/FRZ081100133
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2561e30aaaad0dd34e1499b3b22bd862db9373c55da25f42283a8fcd5fc98345. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ081100133.
  date published: 2026-07-08T03:20:19Z
audio: Elegie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.93
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.176
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.948
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.798
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Silouan's Song
type: MusicRecording
duration: PT3M44S
duration ms: 224680
explicit: false
by artist: Arvo Pärt
by artist: Tina Guo
by artist: Leo Z
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
  date published: 2021-02-24
isrc code: USQX92003953
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:28:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfcfb4989a920e0f7974df89e2a061802b4dde01734bf645ed5d8e9537a2dabcf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92003953
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcfb4989a920e0f7974df89e2a061802b4dde01734bf645ed5d8e9537a2dabcf. 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/USQX92003953.
  date published: 2026-07-08T03:22:41Z
audio: Silouan's Song
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.012
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.086
  additional property: Energy
    type: PropertyValue
    value: 0.299
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.887
  additional property: Liveness
    type: PropertyValue
    value: 0.254
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.834
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lacrimosa
type: MusicRecording
duration: PT2M53S
duration ms: 173266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: HAUSER
by artist: London Symphony Orchestra
by artist: Robert Ziegler
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
  date published: 2021-02-24
genre: classical
genre: classical-era
isrc code: USSM11911366
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:21:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe50410165854dd7e583383ca825b7c5b5bef4b90b3b6a35fb4c8305e368544a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957043
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11911366
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T13:52:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe50410165854dd7e583383ca825b7c5b5bef4b90b3b6a35fb4c8305e368544a5. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/USSM11911366.
  date published: 2026-07-07T13:52:39Z
audio: Lacrimosa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.543
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.127
  additional property: Energy
    type: PropertyValue
    value: 0.354
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.883
  additional property: Liveness
    type: PropertyValue
    value: 0.301
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
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Magnificat en mi bémol majeur, BWV 243a: "Deposuit potentes"
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duration: PT1M55S
duration ms: 115826
explicit: false
by artist: Johann Sebastian Bach
by artist: Christian-Pierre La Marca
by artist: Alexis Kossenko
by artist: Les Ambassadeurs
in album: Violoncelle Apaisant (Musique Classique)
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  date published: 2021-02-24
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1298d1d2c57a43cfdf860b61ae9e867ca2170a869f21f1d379dac28f2b439bb9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051500713.
  date published: 2026-07-08T03:20:19Z
audio: Magnificat en mi bémol majeur, BWV 243a: "Deposuit potentes"
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Fantasiestücke, Op. 73: I. Zart und mit Ausdruck
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duration: PT3M9S
duration ms: 189813
explicit: false
by artist: Robert Schumann
by artist: Sol Gabetta
by artist: Bertrand Chamayou
in album: Violoncelle Apaisant (Musique Classique)
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4bbbc9af73800063da2299bb843ffe1fe448746ac80663212735716965d9399. 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/DEE861806191.
  date published: 2026-07-08T03:22:41Z
audio: Fantasiestücke, Op. 73: I. Zart und mit Ausdruck
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Danse macabre
type: MusicRecording
duration: PT2M24S
duration ms: 144426
explicit: false
by artist: Camille Saint-Saëns
by artist: Christian-Pierre La Marca
in album: Violoncelle Apaisant (Musique Classique)
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genre: classical
genre: late-romantic-era
genre: french-romanticism
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Danse macabre
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Rêverie, L.68 (Arr. for Cello, Piano, Alto, Violins, Flute and Clarinet)
type: MusicRecording
duration: PT2M58S
duration ms: 178413
explicit: false
by artist: Claude Debussy
by artist: François Salque
by artist: Eric Le Sage
by artist: Lise Berthaud
by artist: Pierre Fouchenneret
by artist: Alexandre Pascal
by artist: Fleur Gruneissen
by artist: Florent Pujuila
in album: Violoncelle Apaisant (Musique Classique)
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  date published: 2021-02-24
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e4c525f1243131d51ffdb412ed8a685ad2045796624a5687e502b3999650729. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051700053.
  date published: 2026-07-08T03:20:19Z
audio: Rêverie, L.68 (Arr. for Cello, Piano, Alto, Violins, Flute and Clarinet)
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Time (From "Inception")
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duration: PT4M40S
duration ms: 280680
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by artist: Hans Zimmer
by artist: Tina Guo
by artist: Gavin Greenaway
by artist: The Czech Philharmonic Orchestra
in album: Violoncelle Apaisant (Musique Classique)
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isrc code: USSM11607289
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a98527ef64d6f0c7019cef9ffbc4580751539bd09b629799fd5fd3ad583a254. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/USSM11607289.
  date published: 2026-07-07T20:41:57Z
audio: Time (From "Inception")
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Rêverie au bord de la mer, WoO
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duration: PT4M24S
duration ms: 264600
explicit: false
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by artist: Raphaela Gromes
by artist: Julian Riem
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  date published: 2021-02-24
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Rêverie au bord de la mer, WoO
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L'Estate (Summer) Op. 8 No. 2 in G minor: III. Presto
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duration: PT2M26S
duration ms: 146386
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by artist: Luka Sulic
by artist: Archi dell'Accademia di Santa Cecilia
by artist: Luigi Piovano
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  date published: 2021-02-24
isrc code: USSM11904857
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: L'Estate (Summer) Op. 8 No. 2 in G minor: III. Presto
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Gymnopédie No. 1 (Arr. for Cello and Guitar)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Sonata No. 5 in D Mjor, Op. 102 No. 2: III. Allegro fugato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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La Primavera (Spring) Op. 8 No. 1 in D major: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: La Primavera (Spring) Op. 8 No. 1 in D major: I. Allegro
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Werther: Pourquoi me réveiller (Arr. for Cello and Piano)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Werther: Pourquoi me réveiller (Arr. for Cello and Piano)
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Concerto for Cello and Orchestra in A Minor, Op. 129: Cadenza - Original Ending
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Concerto for Cello and Orchestra in A Minor, Op. 129: Cadenza - Original Ending
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Je te veux
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Porgy and Bess: Summertime (Arr. for Cello and Piano)
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.911
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.067
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Schindler's List Main Theme
type: MusicRecording
duration: PT4M21S
duration ms: 261706
explicit: false
by artist: John Williams
by artist: 2CELLOS
by artist: Robin Smith
by artist: London Symphony Orchestra
in album: Violoncelle Apaisant (Musique Classique)
  type: MusicAlbum
  date published: 2021-02-24
isrc code: USSM11609384
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T00:23:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f24645400f61f5129598f3a06ca3e39ba6b0c7f22999e1994fbcf0443a3a51f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11609384
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f24645400f61f5129598f3a06ca3e39ba6b0c7f22999e1994fbcf0443a3a51f. 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/USSM11609384.
  date published: 2026-07-08T03:22:41Z
audio: Schindler's List Main Theme
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.716
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.189
  additional property: Energy
    type: PropertyValue
    value: 0.235
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.877
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.061
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.858
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Covers From Away
type: MusicAlbum
date published: 2021-09-17
track: Welcome To The Rock
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136640
  explicit: false
  by artist: The Navigators
  in album: Covers From Away
    type: MusicAlbum
    date published: 2021-09-17
  genre: nl-folk
  isrc code: USC4R2109047
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T15:49:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x39d6e62370d36113a9e6eb39029b6587ca875ebc2ba8cb78b6fe73b9d9724e41
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957075
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957075
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2109047
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T18:50:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39d6e62370d36113a9e6eb39029b6587ca875ebc2ba8cb78b6fe73b9d9724e41. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/USC4R2109047.
    date published: 2026-07-07T18:50:38Z
  audio: Welcome To The Rock
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.273
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.621
    additional property: Energy
      type: PropertyValue
      value: 0.842
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.183
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.168
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.659
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.837
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: I Am Here
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229812
  explicit: false
  by artist: Rosemary Lawton
  in album: Covers From Away
    type: MusicAlbum
    date published: 2021-09-17
  isrc code: USC4R2109048
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:13:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x82f9d94db16c2d8f1ab9e6f61f61a5382db59c8018e09718d416b92acb745c3a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2109048
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82f9d94db16c2d8f1ab9e6f61f61a5382db59c8018e09718d416b92acb745c3a. 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/USC4R2109048.
    date published: 2026-07-08T03:22:41Z
  audio: I Am Here
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 152.106
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.425
    additional property: Energy
      type: PropertyValue
      value: 0.381
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.028
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.275
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.396
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.473
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Heave Away
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200750
  explicit: false
  by artist: Alan Doyle
  in album: Covers From Away
    type: MusicAlbum
    date published: 2021-09-17
  genre: canadian-singer-songwriter
  genre: canadian-celtic
  genre: newfoundland-indie
  genre: nl-folk
  isrc code: USC4R2109050
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T12:25:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x457b1fbe34707d9f5959d503d6226feb1faafc7a773ad3d1d238716eca20c12d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Heave Away
track: Screech In
track: Me And The Sky
track: Screech Out

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953528

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2109050

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x457b1fbe34707d9f5959d503d6226feb1faafc7a773ad3d1d238716eca20c12d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USC4R2109050.
date published: 2026-06-13T15:41:10Z

Heave Away
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 137.05
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: 0.743
additional property: Energy
  type: PropertyValue
  value: 0.793
additional property: Speechiness
  type: PropertyValue
  value: 0.034
additional property: Acousticness
  type: PropertyValue
  value: 0.405
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.154
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.966
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.579
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Screech In
type: MusicRecording
duration: PT2M47S
duration ms: 167958
explicit: false
by artist: Shanneyganock
in album: Covers From Away
  type: MusicAlbum
  date published: 2021-09-17
genre: sea-shanties
isrc code: USC4R2109054
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:03:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a274cb585b4b43c1199c6975e23b5a5f2e0d4c94dfdd23d2856c9877f4075f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2109054
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a274cb585b4b43c1199c6975e23b5a5f2e0d4c94dfdd23d2856c9877f4075f7. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/USC4R2109054.
  date published: 2026-07-07T18:50:38Z
audio: Screech In
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.492
  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: 0.444
  additional property: Energy
    type: PropertyValue
    value: 0.795
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.077
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.238
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.891
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.491
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Me And The Sky
type: MusicRecording
duration: PT5M3S
duration ms: 303379
explicit: false
by artist: Damhnait Doyle
in album: Covers From Away
  type: MusicAlbum
  date published: 2021-09-17
isrc code: USC4R2109055
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:30:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57c22bc622c403d570fa90cc3c040c578972c3a52236ca0659568b94c2b80f42
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2109055
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57c22bc622c403d570fa90cc3c040c578972c3a52236ca0659568b94c2b80f42. 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/USC4R2109055.
  date published: 2026-07-08T03:22:41Z
audio: Me And The Sky
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.649
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.643
  additional property: Energy
    type: PropertyValue
    value: 0.37
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.355
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.318
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.914
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Screech Out
type: MusicRecording
duration: PT2M23S
duration ms: 143991
explicit: false
by artist: The Dardanelles
in album: Covers From Away
  type: MusicAlbum
  date published: 2021-09-17
isrc code: USC4R2109059
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:01:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8159582632cf9886125af8a26ea94c6a31d17d0528968e54f10d48e9ccfd882a
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/USC4R2109059
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8159582632cf9886125af8a26ea94c6a31d17d0528968e54f10d48e9ccfd882a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2109059.
  date published: 2026-07-08T03:20:19Z
audio: Screech Out
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.268
  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: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.637
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.263
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.234
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.907
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.776
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. John’s Waltz / Cara’s Waltz
type: MusicAlbum
date published: 2020-08-18
track: St. John’s Waltz / Cara’s Waltz
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252492
  explicit: false
  by artist: Ofra Harnoy
  by artist: Alan Doyle
  by artist: Maureen Ennis
  in album: St. John’s Waltz / Cara’s Waltz
    type: MusicAlbum
    date published: 2020-08-18
  genre: chamber-music
  isrc code: CALC42020104
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: OTSBitcoinBlock
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  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/CALC42020104
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd0ad2c9d7a0abd53f3b2a4d72961b1236b8468c9fc0f8c82b956b345906ec53. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42020104.
    date published: 2026-07-08T03:20:19Z
  audio: St. John’s Waltz / Cara’s Waltz
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 147.447
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.274
    additional property: Energy
      type: PropertyValue
      value: 0.298
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.931
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.115
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.365
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.73
    additional property: Key Name
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    additional property: Mode Name
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On The Rock
type: MusicAlbum
date published: 2020-09-18
track: St. John’s Waltz / Cara’s Waltz
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252492
  explicit: false
  by artist: Ofra Harnoy
  by artist: Alan Doyle
  by artist: Maureen Ennis
  in album: On The Rock
    type: MusicAlbum
    date published: 2020-09-18
  popularity: 5
  genre: chamber-music
  isrc code: CALC42020104
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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    value: 2026-07-06T07:28:21+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xcd0ad2c9d7a0abd53f3b2a4d72961b1236b8468c9fc0f8c82b956b345906ec53
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/957026
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42020104
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T11:02:43Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd0ad2c9d7a0abd53f3b2a4d72961b1236b8468c9fc0f8c82b956b345906ec53. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/CALC42020104.
    date published: 2026-07-07T11:02:43Z
  audio: St. John’s Waltz / Cara’s Waltz
    type: AudioObject
    additional property: Tempo (BPM)
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    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: 0.274
    additional property: Energy
      type: PropertyValue
      value: 0.298
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.931
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.115
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.365
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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track: Mussels in the Corner
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92926
  explicit: false
  by artist: Ofra Harnoy
  by artist: Mike Herriott
  by artist: Bob Hallett
  in album: On The Rock
    type: MusicAlbum
    date published: 2020-09-18
  popularity: 3
  genre: chamber-music
  isrc code: CALC42020111
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5f4718069b0cc280d499cc5a20b61e0d2a80f1fbb5b5dd0d5d4d19eb0ddac373
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  additional property: OTSBitcoinBlock
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    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/CALC42020111
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f4718069b0cc280d499cc5a20b61e0d2a80f1fbb5b5dd0d5d4d19eb0ddac373. 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/CALC42020111.
    date published: 2026-07-08T03:53:27Z
  audio: Mussels in the Corner
    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
      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
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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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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Ofra Harnoy, Vol. 1: Offenbach, Tchaikovsky & Saint-Saëns
type: MusicAlbum
date published: 2017-03-17

Very Best of Placido Domingo
type: MusicAlbum
date published: 2003-02-15
track: Verdi: Otello, Act 4 Scene 4: Finale, "Niun mi tema … Pria d'ucciderti" (Otello)
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342733
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Plácido Domingo
  by artist: Orchestra of the Royal Opera House, Covent Garden
  by artist: John Barker
  in album: Very Best of Placido Domingo
    type: MusicAlbum
    date published: 2003-02-15
  genre: classical
  genre: opera
  isrc code: GBAYC8805157
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T08:55:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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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
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805157
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T18:50:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7749c9e5fc35bf1e40571b4984bc4b484c94a530a21328a4ed78c4abb47a640d. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBAYC8805157.
    date published: 2026-07-07T18:50:38Z
  audio: Verdi: Otello, Act 4 Scene 4: Finale, "Niun mi tema … Pria d'ucciderti" (Otello)
    type: AudioObject
    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
      value: 0.152
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.979
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.006
    additional property: Liveness
      type: PropertyValue
      value: 0.743
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.038
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.945
    additional property: Key Name
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      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Puccini: Tosca, Act III: E lucevan le stelle (Cavaradossi)
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194440
  explicit: false
  by artist: Giacomo Puccini
  by artist: Plácido Domingo
  by artist: James Levine
  by artist: Philharmonia Orchestra
  in album: Very Best of Placido Domingo
    type: MusicAlbum
    date published: 2003-02-15
  isrc code: GBAYC8000202
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957046
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000202
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:04:01Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8344fd7e091c27f3d852a5f2f0028d6613bf1e5b8efd0b790622209be32163cc. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/GBAYC8000202.
    date published: 2026-07-07T14:04:01Z
  audio: Puccini: Tosca, Act III: E lucevan le stelle (Cavaradossi)
    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
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.234
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.986
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.036
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.036
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.469
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Adagio
type: MusicAlbum
date published: 2009-04-14
track: Thaïs: Méditation
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249560
  explicit: false
  by artist: Jules Massenet
  by artist: James Galway
  by artist: National Philharmonic Orchestra
  by artist: David Measham
  in album: Adagio
    type: MusicAlbum
    date published: 2009-04-14
  genre: classical
  isrc code: USBC18300237
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  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/USBC18300237
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb52878cb6d49a6347ac195d93734edc98b98a61b40534d409f32041834294b. 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/USBC18300237.
    date published: 2026-07-08T03:53:27Z
  audio: Thaïs: Méditation
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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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
      value: 0.211
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.973
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.929
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.054
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.761
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
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      value: Major
track: The Lark Ascending
  type: MusicRecording
  duration: PT13M51S
  duration ms: 831146
  explicit: false
  by artist: Ralph Vaughan Williams
  by artist: Nicholas Cleobury
  by artist: Pauline Lowbury
  by artist: Britten Sinfonia
  in album: Adagio
    type: MusicAlbum
    date published: 2009-04-14
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU9800835
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd49dd90ab735c13d82c5b4b8d2ddc1a96d11a2e11c71be2e10971d9f5f5bb9e8. 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/GBARU9800835.
    date published: 2026-07-08T03:22:41Z
  audio: The Lark Ascending
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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Rhapsody on a Theme of Paganini, Op. 43: Variation XVIII
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Piano Concerto No. 1 in E Minor, Op. 11: Romanze: Larghetto
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Orchestral Suite No. 3 in D Major, BWV 1068. Air on a G String - from Suite No.3 BWV 1068
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Adagio in G Minor
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Recuerdos de la Alhambra
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  date published: 2026-07-08T03:22:41Z
audio: Recuerdos de la Alhambra
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Symphony No. 5 in C-Sharp Minor (Revised Version): Part Three, IV. Adagietto. Sehr langsam
type: MusicRecording
duration: PT10M29S
duration ms: 629226
explicit: false
by artist: Gustav Mahler
by artist: Lorin Maazel
by artist: Wiener Philharmoniker
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genre: classical
genre: orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 5 in C-Sharp Minor (Revised Version): Part Three, IV. Adagietto. Sehr langsam
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Variations on an Original Theme, Op. 36 "Enigma": IX (Adagio) "Nimrod"
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duration: PT3M26S
duration ms: 206973
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by artist: Edward Elgar
by artist: London Philharmonic Orchestra
by artist: Paul Daniel
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  date published: 2009-04-14
genre: classical
genre: late-romantic-era
genre: british-modern-classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dba357d2f1a3f3c10f2d5125fc549830bb3d661c6720c21bea5af62ead0b374. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU9800716.
  date published: 2026-07-02T11:38:34Z
audio: Variations on an Original Theme, Op. 36 "Enigma": IX (Adagio) "Nimrod"
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Scheherazade, Op. 35: III. The Young Prince and the Young Princess
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duration: PT9M47S
duration ms: 587360
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by artist: Nikolai Rimsky-Korsakov
by artist: Eugene Ormandy
by artist: Anshel Brusilow
by artist: Philadelphia Orchestra
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  date published: 2009-04-14
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: avant-garde
genre: russian-romanticism
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Scheherazade, Op. 35: III. The Young Prince and the Young Princess
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Piano Concerto No. 2 in F Major, Op. 102: II. Andante
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duration: PT6M26S
duration ms: 386666
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by artist: Dmitri Shostakovich
by artist: Esa-Pekka Salonen
by artist: Yefim Bronfman
by artist: Thomas Stevens
by artist: Los Angeles Philharmonic
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Piano Concerto No. 2 in F Major, Op. 102: II. Andante
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Cavatina
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duration ms: 226666
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by artist: Stanley Myers
by artist: Simon Dinnigan
in album: Adagio
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isrc code: GBARU9800696
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Cavatina
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Fantasia on a Theme by Thomas Tallis
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by artist: Ralph Vaughan Williams
by artist: Nicholas Cleobury
in album: Adagio
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  date published: 2009-04-14
isrc code: GBARU9800833
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Fantasia on a Theme by Thomas Tallis
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Romance - The Gadfly
type: MusicRecording
duration: PT6M23S
duration ms: 383693
explicit: false
by artist: Dmitri Shostakovich
by artist: Royal Liverpool Philharmonic Orchestra
by artist: Libor Pešek
in album: Adagio
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  date published: 2009-04-14
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Relax Vol.II: Smooth Classics
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Kinder Klassik - Die Jahreszeiten
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Chilling Cello
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track: The Carnival of the Animals, R. 125: XIII. Le cygne (Arr. for Cello & 2 Pianos)
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track: Song Without Words, Op. 109
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track: Salut d'amour, Op. 12
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Salut d'amour, Op. 12
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Cello Sonata in G Minor, Op 19: III. Andante
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by artist: Sonia Wieder-Atherton
by artist: Imogen Cooper
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Violin Sonata in A Major, FWV 8 (Arr. for Cello and Piano): IV. Allegretto poco mosso
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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
audio: Violin Sonata in A Major, FWV 8 (Arr. for Cello and Piano): IV. Allegretto poco mosso
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Porgy and Bess: Summertime (Arr. for Cello and Piano)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Porgy and Bess: Summertime (Arr. for Cello and Piano)
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Seven Years in Tibet
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Seven Years in Tibet
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Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto
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Fantasiestücke, Op. 73: I. Zart und mit Ausdruck
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audio: Fantasiestücke, Op. 73: I. Zart und mit Ausdruck
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Chilling Cello Vol. 2
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OTSVerificationAPI
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date published: 2026-07-08T03:20:19Z

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Barocco Veneziano
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Chilling Cello - A Relaxing Evening
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Chilling Cello, Vol. 3
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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    date published: 2026-07-02T03:55:08Z
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Portrait
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Back to Bach
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Concerto for Cello in D, RV 404: Allegro vivace
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Cello Concerto in A Minor, RV 420: Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cello Concerto in A Minor, RV 420: Andante
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Cello Concerto in B-Flat, RV 423: Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cello Concerto in B-Flat, RV 423: Largo
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Cello Concerto in A Minor, RV 420: Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cello Concerto in A Minor, RV 420: Allegro
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Cello Concerto in C, RV 399: Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Cello Concerto in C, RV 399: Allegro
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Concerto for Cello and Bassoon in E Minor, RV 409: Adagio
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audio: Concerto for Cello and Bassoon in E Minor, RV 409: Adagio
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Concerto for Cello and Bassoon in E Minor, RV 409: Allegro
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audio: Concerto for Cello and Bassoon in E Minor, RV 409: Allegro
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Concerto for Cello in D Minor, RV 406: Andante
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Concerto for Cello in D Minor, RV 406: Minuetto
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Ofra Harnoy: Bach to Offenbach
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Vivaldi Concertos, Volume 3
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Ofra Harnoy plays Vivaldi
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It Ain't Necessarily So
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track: String Quartet No. 1 in D, Op. 11: Andante cantabile (II)
track: Dolly Suite, Op. 56: 1. Berceuse (Transcribed for Harp)
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T17:25:41Z

Canon in D Major for Strings and Continuo
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Le onde
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String Quartet No. 1 in D, Op. 11: Andante cantabile (II)
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Dolly Suite, Op. 56: 1. Berceuse (Transcribed for Harp)
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The Nutcracker, Op. 71: No. 14, Variation II - Dance of the Sugar-Plum Fairy
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Cello For Relaxation
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track: Chant for Solo Cello
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track: Suite No. 6 in D Major, BWV 1012: Allemande
track: Sonata in G Minor for Cello & Piano, Op. 65: Largo
track: Morceau de concours for Flute and Piano (Arranged for Cello)

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Chant for Solo Cello
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Suite No. 6 in D Major, BWV 1012: Allemande
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Sonata in G Minor for Cello & Piano, Op. 65: Largo
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Morceau de concours for Flute and Piano (Arranged for Cello)
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OpenTimestamps Proof of Existence
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Concerto in G Major for Two Lutes and Strings, RV 532: II. Andante
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    date published: 2026-07-08T03:53:27Z
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Cello zum Chillen
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Connemara By The Lake
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Tchaikovsky: 1812 Overture, Romeo and Juliet & Capriccio italien
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Ould Claddagh Ring
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track: The Seasons, Op. 37a: II. February - Carnival
track: The Seasons, Op. 37a: III. March - Song of the Lark
track: The Seasons, Op. 37a: IV. April - Snowdrop
track: The Seasons, Op. 37a: V. May - Starlit Nights
track: The Seasons, Op. 37a: IX. September - The Hunt
track: The Seasons, Op. 37a: X. October - Autumn Song
track: The Nutcracker Suite, Op. 71a, TH 35: IIa. Danses caractéristiques. Marche
track: The Nutcracker Suite, Op. 71a, TH 35: IIb. Danses caractéristiques. Danse de la fée dragée
track: The Nutcracker Suite, Op. 71a, TH 35: IIc. Danses caractéristiques. Danse russe "Trépak"
track: The Nutcracker Suite, Op. 71a, TH 35: IId. Danses caractéristiques. Danse arabe
track: The Nutcracker Suite, Op. 71a, TH 35: IIe. Danses caractéristiques. Danse chinoise
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track: Song Without Words, Op. 40, No. 6 - Remastered
track: Children's Songs, Op. 54: X. Berceuse
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track: Capriccioso, Op. 19, No. 5 - Remastered
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track: Album for Children, Op. 39: Prière du Matin. Andante
track: Album for Children, Op. 39: Le Matin en Hiver. Allegro
track: Album for Children, Op. 39: Le Petit Cavalier. Presto, staccato
track: Album for Children, Op. 39: Marche des Soldats de Bois. Moderato
track: Album for Children, Op. 39: Enterrement de la Poupée. Adagio
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track: Album for Children, Op. 39: La Nouvelle Poupée. Allegro
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4d1f5cbfe7e9461226b6e52debce81937d2b736d916e3bb95479039795ae26. 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/USSM11505983.
  date published: 2026-07-08T03:22:41Z
audio: The Seasons, Op. 37a: IV. April - Snowdrop
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The Seasons, Op. 37a: V. May - Starlit Nights
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duration: PT5M21S
duration ms: 321960
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Lang Lang
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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isrc code: USSM11505984
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef69aff8921a2f056c1bbec3346e402bbfe619c609be8a18c280580325e05f14. 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/USSM11505984.
  date published: 2026-07-08T03:53:27Z
audio: The Seasons, Op. 37a: V. May - Starlit Nights
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The Seasons, Op. 37a: IX. September - The Hunt
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duration: PT2M29S
duration ms: 149040
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Lang Lang
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
isrc code: USSM11505988
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505988
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x559546f6138ef83e23f91f7a19513f77aca22f1bce2d82153a7d14435ba41b35. 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/USSM11505988.
  date published: 2026-07-08T03:22:41Z
audio: The Seasons, Op. 37a: IX. September - The Hunt
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  additional property: Musical Key
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The Seasons, Op. 37a: X. October - Autumn Song
type: MusicRecording
duration: PT5M40S
duration ms: 340973
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Lang Lang
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
  type: MusicAlbum
  date published: 2025-03-10
isrc code: USSM11505989
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505989
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ebf958e160494adff654436ce497dde8891642cf326feae3992e60e92b6ccc. 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/USSM11505989.
  date published: 2026-07-08T03:53:27Z
audio: The Seasons, Op. 37a: X. October - Autumn Song
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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The Nutcracker Suite, Op. 71a, TH 35: IIa. Danses caractéristiques. Marche
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duration: PT2M11S
duration ms: 131866
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Claudio Abbado
by artist: Chicago Symphony Orchestra
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
isrc code: USSM19100451
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a2349217a707111ad21af8a0dce974df917f20b092d731f6a3fcbefe54bddab. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19100451.
  date published: 2026-07-08T03:20:19Z
audio: The Nutcracker Suite, Op. 71a, TH 35: IIa. Danses caractéristiques. Marche
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The Nutcracker Suite, Op. 71a, TH 35: IIb. Danses caractéristiques. Danse de la fée dragée
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duration: PT1M50S
duration ms: 110000
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Claudio Abbado
by artist: Chicago Symphony Orchestra
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
  type: MusicAlbum
  date published: 2025-03-10
isrc code: USSM19100452
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
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be0763daa83715b23699bfe37329a9435e1a152b5f4fc6614d7bd7f2aec5d6e. 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/USSM19100452.
  date published: 2026-07-08T03:53:27Z
audio: The Nutcracker Suite, Op. 71a, TH 35: IIb. Danses caractéristiques. Danse de la fée dragée
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The Nutcracker Suite, Op. 71a, TH 35: IIc. Danses caractéristiques. Danse russe "Trépak"
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duration: PT1M5S
duration ms: 65026
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Claudio Abbado
by artist: Chicago Symphony Orchestra
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
  type: MusicAlbum
  date published: 2025-03-10
isrc code: USSM19100453
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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x689cddfc7d2c7d4a3db952f875e14d485c4893f43106533d2e5987525f3304b8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19100453.
  date published: 2026-07-08T03:20:19Z
audio: The Nutcracker Suite, Op. 71a, TH 35: IIc. Danses caractéristiques. Danse russe "Trépak"
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  additional property: Loudness (dB)
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The Nutcracker Suite, Op. 71a, TH 35: IId. Danses caractéristiques. Danse arabe
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duration ms: 198066
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Claudio Abbado
by artist: Chicago Symphony Orchestra
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
isrc code: USSM19100454
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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The Nutcracker Suite, Op. 71a, TH 35: IIe. Danses caractéristiques. Danse chinoise
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subject of: OpenTimestamps Proof of Existence
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The Nutcracker Suite, Op. 71a, TH 35: IIf. Danses caractéristiques. Danse des mirlitons
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Nutcracker Suite, Op. 71a, TH 35: IIf. Danses caractéristiques. Danse des mirlitons
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Swan Lake, Op. 20, TH 12 (Excerpts): Act II No. 10 Scène. Moderato
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subject of: OpenTimestamps Proof of Existence
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audio: Swan Lake, Op. 20, TH 12 (Excerpts): Act II No. 10 Scène. Moderato
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Swan Lake, Op. 20, TH 12 (Excerpts): Act II No. 13 Danses des cygnes. IV. Allegro moderato
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audio: Swan Lake, Op. 20, TH 12 (Excerpts): Act II No. 13 Danses des cygnes. IV. Allegro moderato
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Song Without Words, Op. 40, No. 6 - Remastered
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Children's Songs, Op. 54: X. Berceuse
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Mazurka, Op. 9, No. 3 - Remastered
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b0052f544e750d57f3c17d8c44400ac1d4647b7ec8ced4ccfc47aaeed8c82c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11807917.
  date published: 2026-07-08T03:20:19Z
audio: Mazurka, Op. 9, No. 3 - Remastered
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Capriccioso, Op. 19, No. 5 - Remastered
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duration: PT3M30S
duration ms: 210826
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Philippe Entremont
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc38e540526fba930ce761c8c93ffbb6bb8cc8d8618bca8f207b8e8c6ad72c9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USSM11807914.
  date published: 2026-07-08T08:56:20Z
audio: Capriccioso, Op. 19, No. 5 - Remastered
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  additional property: Mode (Major/Minor)
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  additional property: Energy
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  additional property: Acousticness
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Pieces for Piano, Op. 72: V. Meditation in D Major
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duration: PT6M11S
duration ms: 371000
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
isrc code: DEP629501847
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEP629501847
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06d4d5d2ec16dee3856b04249a3e09fea02a5d06af7464e4203763e795e2b553. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEP629501847.
  date published: 2026-07-08T08:56:20Z
audio: Pieces for Piano, Op. 72: V. Meditation in D Major
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Album for Children, Op. 39: Prière du Matin. Andante
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duration: PT1M11S
duration ms: 71493
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
isrc code: DEP629501228
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb962cd1b9d8200ededdd61067644f1052f0d61f00943042a38ef921a1f21aa88. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEP629501228.
  date published: 2026-07-08T03:20:19Z
audio: Album for Children, Op. 39: Prière du Matin. Andante
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: 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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Album for Children, Op. 39: Le Matin en Hiver. Allegro
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duration: PT0M57S
duration ms: 57733
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
isrc code: DEP629501229
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f247d3d86745e1b3baeff3bf4c0cad8037df579869414d33a8a0551e70b14a1. 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/DEP629501229.
  date published: 2026-07-08T03:53:27Z
audio: Album for Children, Op. 39: Le Matin en Hiver. Allegro
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Album for Children, Op. 39: Le Petit Cavalier. Presto, staccato
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duration: PT0M39S
duration ms: 39200
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
isrc code: DEP629501230
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
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbef1017023bfcf587b06060ea3b9cf4a0d9c04715c75c61677b3ff032964bb14. 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/DEP629501230.
  date published: 2026-07-08T03:22:41Z
audio: Album for Children, Op. 39: Le Petit Cavalier. Presto, staccato
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Album for Children, Op. 39: Marche des Soldats de Bois. Moderato
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duration: PT0M47S
duration ms: 47026
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
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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
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04b111080da6a365cd59577ca4b0290bdc1385c17e21a44ae3648fbc68d910c2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEP629501232.
  date published: 2026-07-08T08:56:20Z
audio: Album for Children, Op. 39: Marche des Soldats de Bois. Moderato
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  additional property: Mode (Major/Minor)
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Album for Children, Op. 39: Enterrement de la Poupée. Adagio
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duration: PT1M53S
duration ms: 113133
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by artist: Pyotr Ilyich Tchaikovsky
by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
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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
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b008f61cb34f1df17e5e112dbcb77a2dc17d95a977eec6fe5422da71663b7ef. 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/DEP629501234.
  date published: 2026-07-08T03:53:27Z
audio: Album for Children, Op. 39: Enterrement de la Poupée. Adagio
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Album for Children, Op. 39: Valse. Allegro assai
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by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a5871ea46929a710143fde2e9a7d0a26cc2221da2459ed609197305eaa3d10c. 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/DEP629501235.
  date published: 2026-07-08T03:22:41Z
audio: Album for Children, Op. 39: Valse. Allegro assai
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Album for Children, Op. 39: La Nouvelle Poupée. Allegro
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by artist: Pyotr Ilyich Tchaikovsky
by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
isrc code: DEP629501236
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23c137b4f8f797e123fb61f662c8eea54af1c31616537629d809d3f1ebfdabb6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEP629501236.
  date published: 2026-07-08T03:20:19Z
audio: Album for Children, Op. 39: La Nouvelle Poupée. Allegro
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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
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  additional property: Danceability
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  additional property: Energy
    type: PropertyValue
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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
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Album for Children, Op. 39: Mazurka. Tempo di Mazurka
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explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Arkady Sevidov
in album: "Valse Sentimentale" & Other Tchaikovsky Essentials
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  date published: 2025-03-10
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