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album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
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  date published: 2017-08-25
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  track: Rhapsody on a Theme of Paganini, Op. 43: X. Variation 9. L'istesso tempo
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album: Berg: Seven Early Songs (Piano Version); Seven Early Songs (Orchestral Version); Schließe mir die Augen beide (1907); An Leukon (1908); Schließe mir die Augen beide (1925); Der Wein (1929)
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album: Mozart: Haffner Symphony and Piano Concertos
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album: Wagner: Tannhäuser
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album: Mozart: Symphony No. 38 'Prague'; Tchaikovsky: Serenade for String Orchestra; Stutermeister: Romeo und Julia (Hans Schmidt-Isserstedt Edition 2, Vol. 13)
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album: Fortner: The Creation, Mouvements für Klavier und Orchester; Ravel: Piano Concerto in G Major (Hans Schmidt-Isserstedt Edition 2, Vol. 10)
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  date published: 2023-09-22
album: Ruzicka: Orchestra Works, Vol. 4
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album: Liszt, Schubert & Brahms: Works
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album: Bruckner: Symphony No. 7
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album: Shostakovich: Symphony No. 5 in D Minor, Op. 47
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album: Stravinsky: Le Sacre du Printemps
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  track: Le sacre du printemps, K015: II. Le sacrifice: No. 3, Glorification de l'élue
  track: Le sacre du printemps, K015: II. Le sacrifice: No. 5, Action rituelle des ancêtres
  track: Le sacre du printemps, K015: II. Le sacrifice: No. 6, Danse sacrale
  track: Le sacre du printemps, K015: I. L'adoration de la terre: No. 1, Introduction
  track: Le sacre du printemps, K015: I. L'adoration de la terre: No. 2, Les augures printaniers
  track: Le sacre du printemps, K015: I. L'adoration de la terre: No. 4, Rondes printanières
  track: Le sacre du printemps, K015: I. L'adoration de la terre: No. 5, Jeux des cités rivales
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album: Chopin: Works For Piano & Orchestra
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  track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Introduzione. Largo - Poco più mosso
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  track: Fantasy on Polish Airs, Op. 13: Largo non troppo
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  track: Fantasy on Polish Airs, Op. 13: Thème de Charles Kurpinski: Allegretto - Presto con fuoco - Lento quasi Adagio - Molto più mosso
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album: Ravel Conducts Ravel
album: Britten: War Requiem; Spring Symphony; 5 Flower Songs; Hymn to St. Cecilia
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album: Mozart: Piano Concertos No.13 KV 415 & No.15 KV 450
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album: Maderna: Quadrivium
album: Mozart: Die Gärtnerin aus Liebe, K. 196 (Hans Schmidt-Isserstedt Edition 2, Vol. 3)
album: Dvořák: Serenade for Strings (Hans Schmidt-Isserstedt Edition 2, Vol. 12)
album: Brahms: 21 Hungarian Dances
album: Mozart: Violin Concerto No. 4, Violin Concerto No. 5 (Hans Schmidt-Isserstedt Edition 2, Vol. 9)
album: Verdi: La traviata (Hans Schmidt-Isserstedt Edition 2, Vol. 11)
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Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
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Rhapsody on a Theme of Paganini, Op. 43: X. Variation 9. L'istesso tempo
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Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
type: MusicRecording
duration: PT11M21S
duration ms: 681052
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rhapsody on a Theme of Paganini, Op. 43: VII. Variation 6. L'istesso tempo
type: MusicRecording
duration: PT0M58S
duration ms: 58458
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:59:18Z
audio: Rhapsody on a Theme of Paganini, Op. 43: VII. Variation 6. L'istesso tempo
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rhapsody on a Theme of Paganini, Op. 43: VIII. Variation 7. Meno mosso (A tempo moderato)
type: MusicRecording
duration: PT1M9S
duration ms: 69966
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Rhapsody on a Theme of Paganini, Op. 43: VIII. Variation 7. Meno mosso (A tempo moderato)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rhapsody on a Theme of Paganini, Op. 43: IX. Variation 8. Tempo I
type: MusicRecording
duration: PT0M32S
duration ms: 32834
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Rhapsody on a Theme of Paganini, Op. 43: IX. Variation 8. Tempo I
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rhapsody on a Theme of Paganini, Op. 43: XI. Variation 10. L'istesso tempo
type: MusicRecording
duration: PT0M52S
duration ms: 52120
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cbebd451059791616446b47b0354eb5d39f359661a07c3f764717b19fd44ebf. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FR50X1627514.
  date published: 2026-07-31T19:53:13Z
audio: Rhapsody on a Theme of Paganini, Op. 43: XI. Variation 10. L'istesso tempo
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rhapsody on a Theme of Paganini, Op. 43: XII. Variation 11. Moderato
type: MusicRecording
duration: PT1M21S
duration ms: 81437
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ca247d12430788574bdb9441b3571fde78bb66e3b29e46549797496b0c0f80. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/FR50X1627515.
  date published: 2026-07-31T16:09:41Z
audio: Rhapsody on a Theme of Paganini, Op. 43: XII. Variation 11. Moderato
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rhapsody on a Theme of Paganini, Op. 43: XIII. Variation 12. Tempo di minuetto
type: MusicRecording
duration: PT1M15S
duration ms: 75720
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc644b761e7765d3a88f33e85cf5d66b0371f3e5cf134fdcee7b8c1d9ee3c1d. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/FR50X1627516.
  date published: 2026-07-31T17:29:52Z
audio: Rhapsody on a Theme of Paganini, Op. 43: XIII. Variation 12. Tempo di minuetto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rhapsody on a Theme of Paganini, Op. 43: XVI. Variation 15. Più vivo scherzando
type: MusicRecording
duration: PT1M9S
duration ms: 69773
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: Rhapsody on a Theme of Paganini, Op. 43: XVI. Variation 15. Più vivo scherzando
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rhapsody on a Theme of Paganini, Op. 43: XIX. Variation 18. Andante cantabile
type: MusicRecording
duration: PT2M41S
duration ms: 161912
explicit: false
by artist: Sergei Rachmaninoff
by artist: Anna Vinnitskaya
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
  type: MusicAlbum
  date published: 2017-08-25
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0f0fe400a08adea503f70a096af5848b3ac19b51ad1d3096d4e36862dee6e2f. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FR50X1627522.
  date published: 2026-07-31T05:17:02Z
audio: Rhapsody on a Theme of Paganini, Op. 43: XIX. Variation 18. Andante cantabile
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Symphony No. 5 in D Minor, Op. 47: I. Moderato
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duration: PT16M38S
duration ms: 998000
explicit: false
by artist: Dmitri Shostakovich
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Shostakovich: Symphony No. 5 in D Minor, Op. 47
  type: MusicAlbum
  date published: 2018-08-10
isrc code: FR50X1742701
additional property: CopyrightID
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 5 in D Minor, Op. 47: I. Moderato
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Symphony No. 5 in D Minor, Op. 47: II. Allegretto
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duration: PT5M52S
duration ms: 352216
explicit: false
by artist: Dmitri Shostakovich
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 5 in D Minor, Op. 47: II. Allegretto
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Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
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by artist: Krzysztof Urbański
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
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additional property: OTSVerifyInstructions
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Le sacre du printemps, K015: I. L'adoration de la terre: No. 3, Jeu du rapt
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popularity: 1
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0e90561ed0abf8b334dfe5a90fb92eb7d3221bde437c185cb5e69a929f67d73. 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/FR50X1629203.
  date published: 2026-07-08T08:56:20Z
audio: Le sacre du printemps, K015: I. L'adoration de la terre: No. 3, Jeu du rapt
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.292
  additional property: Energy
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    value: 0.434
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.807
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.827
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le sacre du printemps, K015: I. L'adoration de la terre: No. 8, Danse de la terre
type: MusicRecording
duration: PT1M12S
duration ms: 72556
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 1
isrc code: FR50X1629208
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:54:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefa5a50d0036e0e0b048edfb22e8eeac1afdfdd4024e76c13b0f2aa4214280a0
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/FR50X1629208
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefa5a50d0036e0e0b048edfb22e8eeac1afdfdd4024e76c13b0f2aa4214280a0. 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/FR50X1629208.
  date published: 2026-07-08T03:22:41Z
audio: Le sacre du printemps, K015: I. L'adoration de la terre: No. 8, Danse de la terre
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.513
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.94
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.699
  additional property: Key Name
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    value: C#
  additional property: Mode Name
    type: PropertyValue
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Le sacre du printemps, K015: II. Le sacrifice: No. 2, Cercles mystérieux des adolescentes
type: MusicRecording
duration: PT3M46S
duration ms: 226705
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 0
isrc code: FR50X1629210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:23:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3185a49c713f60b1a8a97401679421e88f8df49ddb8a5994797e91b9fb67728
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/FR50X1629210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3185a49c713f60b1a8a97401679421e88f8df49ddb8a5994797e91b9fb67728. 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/FR50X1629210.
  date published: 2026-07-08T03:22:41Z
audio: Le sacre du printemps, K015: II. Le sacrifice: No. 2, Cercles mystérieux des adolescentes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.67
  additional property: Musical Key
    type: PropertyValue
    value: 1
  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: 0.004
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.295
  additional property: Liveness
    type: PropertyValue
    value: 0.301
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -40.621
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Le sacre du printemps, K015: II. Le sacrifice: No. 3, Glorification de l'élue
type: MusicRecording
duration: PT1M32S
duration ms: 92904
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 1
isrc code: FR50X1629211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:21:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbed1493497a8ee94ff370c8fdb48bdb948065e7505ad0b5e97a0086f9abe00a5
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/FR50X1629211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed1493497a8ee94ff370c8fdb48bdb948065e7505ad0b5e97a0086f9abe00a5. 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/FR50X1629211.
  date published: 2026-07-08T03:53:27Z
audio: Le sacre du printemps, K015: II. Le sacrifice: No. 3, Glorification de l'élue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.746
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.456
  additional property: Energy
    type: PropertyValue
    value: 0.405
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.849
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.791
  additional property: Liveness
    type: PropertyValue
    value: 0.341
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.148
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.272
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Le sacre du printemps, K015: II. Le sacrifice: No. 5, Action rituelle des ancêtres
type: MusicRecording
duration: PT3M58S
duration ms: 238313
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 1
isrc code: FR50X1629213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:25:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbcaecf7382709ab543030677597eb0e61738b27882e8091a7ffa79024390814b
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/FR50X1629213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcaecf7382709ab543030677597eb0e61738b27882e8091a7ffa79024390814b. 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/FR50X1629213.
  date published: 2026-07-08T03:53:27Z
audio: Le sacre du printemps, K015: II. Le sacrifice: No. 5, Action rituelle des ancêtres
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.055
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.326
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.073
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.091
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Le sacre du printemps, K015: II. Le sacrifice: No. 6, Danse sacrale
type: MusicRecording
duration: PT5M17S
duration ms: 317290
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 1
isrc code: FR50X1629214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:40:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x175561b6a5fb1b197b5a855a4753e6e717f4cf925a810406177084632f33fdef
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/FR50X1629214
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x175561b6a5fb1b197b5a855a4753e6e717f4cf925a810406177084632f33fdef. 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/FR50X1629214.
  date published: 2026-07-08T03:22:41Z
audio: Le sacre du printemps, K015: II. Le sacrifice: No. 6, Danse sacrale
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.057
  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
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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
    type: PropertyValue
    value: 0.836
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.886
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.238
  additional property: Loudness (dB)
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    value: -21.335
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Le sacre du printemps, K015: I. L'adoration de la terre: No. 1, Introduction
type: MusicRecording
duration: PT3M40S
duration ms: 220149
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 2
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e75e76b0646c623010886f18cf280f4c513089e8672f8eeb355d021224b23a. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/FR50X1629201.
  date published: 2026-07-30T11:13:28Z
audio: Le sacre du printemps, K015: I. L'adoration de la terre: No. 1, Introduction
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.094
  additional property: Musical Key
    type: PropertyValue
    value: 8
  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: 0.104
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.97
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.441
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FR50X1629201
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le sacre du printemps, K015: I. L'adoration de la terre: No. 2, Les augures printaniers
type: MusicRecording
duration: PT3M23S
duration ms: 203760
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 2
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef3ee0fa309c176acbcb76c3e4c8292507cb9b6bb04d6a528b1149c61eac5f5e. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1629202.
  date published: 2026-07-31T00:26:26Z
audio: Le sacre du printemps, K015: I. L'adoration de la terre: No. 2, Les augures printaniers
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le sacre du printemps, K015: I. L'adoration de la terre: No. 4, Rondes printanières
type: MusicRecording
duration: PT3M52S
duration ms: 232619
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: Le sacre du printemps, K015: I. L'adoration de la terre: No. 4, Rondes printanières
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isrc code: FR50X1629204
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le sacre du printemps, K015: I. L'adoration de la terre: No. 5, Jeux des cités rivales
type: MusicRecording
duration: PT1M43S
duration ms: 103443
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 1
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716eb1236b01af6d384013032f928ceb1f90d6f86e836778d15531b6e0e89349. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FR50X1629205.
  date published: 2026-07-31T19:53:13Z
audio: Le sacre du printemps, K015: I. L'adoration de la terre: No. 5, Jeux des cités rivales
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isrc code: FR50X1629205
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Le sacre du printemps, K015: II. Le sacrifice: No. 1, Introduction
type: MusicRecording
duration: PT4M36S
duration ms: 276219
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 1
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87cb1888904f8bd83f4153f43201776a1c8f57ab7049856e7ffbe7d8be755f2a. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1629209.
  date published: 2026-08-01T00:10:46Z
audio: Le sacre du printemps, K015: II. Le sacrifice: No. 1, Introduction
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isrc code: FR50X1629209
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Le sacre du printemps, K015: II. Le sacrifice: No. 4, Évocation des ancêtres
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duration: PT0M43S
duration ms: 43576
explicit: false
by artist: Igor Stravinsky
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Stravinsky: Le Sacre du Printemps
  type: MusicAlbum
  date published: 2018-02-09
popularity: 0
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628379191370f370140584a3f01c5d8dbb0df2e92878d827ba5844fbdb07638f. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/FR50X1629212.
  date published: 2026-07-31T17:29:52Z
audio: Le sacre du printemps, K015: II. Le sacrifice: No. 4, Évocation des ancêtres
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  additional property: Loudness (dB)
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Andante Spianato & Grande Polonaise Brillante in G Major / E-Flat Major, Op. 22: Grande Polonaise Brillante. Allegro molto
type: MusicRecording
duration: PT9M12S
duration ms: 552613
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
  type: MusicAlbum
  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961600315
additional property: CopyrightID
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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
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3268abfe07d9df457b0b82684f300d5f4ed84f41aac47fb6eced3ffebe69a7de. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600315.
  date published: 2026-07-02T03:55:08Z
audio: Andante Spianato & Grande Polonaise Brillante in G Major / E-Flat Major, Op. 22: Grande Polonaise Brillante. Allegro molto
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Rondo à la Krakowiak in F Major, Op. 14: Introduzione. Andantino quasi Allegretto - Allegro molto
type: MusicRecording
duration: PT2M18S
duration ms: 138493
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
  type: MusicAlbum
  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961600571
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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audio: Rondo à la Krakowiak in F Major, Op. 14: Introduzione. Andantino quasi Allegretto - Allegro molto
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Rondo à la Krakowiak in F Major, Op. 14: Rondo. Allegro non troppo - Poco meno mosso
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audio: Rondo à la Krakowiak in F Major, Op. 14: Rondo. Allegro non troppo - Poco meno mosso
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Introduzione. Largo - Poco più mosso
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genre: classical
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:55:08Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Introduzione. Largo - Poco più mosso
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Tema. Allegretto
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by artist: Krzysztof Urbański
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genre: classical
genre: early-romantic-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:55:08Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Tema. Allegretto
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. II. Veloce, ma accuratamente
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genre: classical
genre: early-romantic-era
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  date published: 2026-07-02T03:55:08Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. II. Veloce, ma accuratamente
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. V. Adagio
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Fantasy on Polish Airs, Op. 13: Largo non troppo
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Fantasy on Polish Airs, Op. 13: Largo non troppo
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Fantasy on Polish Airs, Op. 13: Air: "Już miesiąc zeszedł psy się uśpiły" Andantino
type: MusicRecording
duration: PT2M45S
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by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
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genre: classical
genre: early-romantic-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Fantasy on Polish Airs, Op. 13: Air: "Już miesiąc zeszedł psy się uśpiły" Andantino
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Fantasy on Polish Airs, Op. 13: Thème de Charles Kurpinski: Allegretto - Presto con fuoco - Lento quasi Adagio - Molto più mosso
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by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
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  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN961600563
additional property: CopyrightID
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Fantasy on Polish Airs, Op. 13: Thème de Charles Kurpinski: Allegretto - Presto con fuoco - Lento quasi Adagio - Molto più mosso
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Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace
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by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
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genre: classical
genre: early-romantic-era
genre: polish-classical
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. I. Brillante
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duration: PT1M1S
duration ms: 61546
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
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  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa63301e1c12fa9aa22013ff5d113859754be712c588cba0214c61ace8e9b3e4. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T14:51:27Z), 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/DEN961631003.
  date published: 2026-07-22T14:51:27Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. I. Brillante
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Coda. Alla Polacca
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duration: PT3M45S
duration ms: 225506
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
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genre: classical
genre: early-romantic-era
genre: polish-classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T20:07:01Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Coda. Alla Polacca
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. III. Sempre sostenuto
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duration: PT1M13S
duration ms: 73200
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
by artist: NDR Elbphilharmonie Orchester
by artist: Krzysztof Urbański
in album: Chopin: Works For Piano & Orchestra
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  date published: 2017-03-10
genre: classical
genre: early-romantic-era
genre: polish-classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. III. Sempre sostenuto
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. IV. Con bravura
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Violin Concerto No. 2 in C-Sharp Minor, Op. 129: I. Moderato
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Violin Concerto No. 1 in A Minor, Op. 77: I. Nocturne. Adagio
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Violin Concerto No. 1 in A Minor, Op. 77: II. Scherzo. Allegro
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Violin Concerto No. 1 in A Minor, Op. 77: III. Passacaglia. Andante
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Violin Concerto No. 1 in A Minor, Op. 77: IV. Burlesca. Allegro con brio
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Violin Concerto No. 2 in C-Sharp Minor, Op. 129: II. Adagio
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  date published: 2026-07-30T17:23:26Z
audio: Violin Concerto No. 2 in C-Sharp Minor, Op. 129: II. Adagio
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Violin Concerto No. 2 in C-Sharp Minor, Op. 129: III. Adagio - Allegro
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by artist: Frank Peter Zimmermann
by artist: NDR Elbphilharmonie Orchester
by artist: Alan Gilbert
in album: Shostakovich: Violin Concertos Nos. 1 & 2
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  date published: 2016-12-02
popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Violin Concerto No. 2 in C-Sharp Minor, Op. 129: III. Adagio - Allegro
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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War Requiem, Op. 66 / Dies Irae: Dies irae (II)
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duration: PT1M23S
duration ms: 83346
explicit: false
by artist: Benjamin Britten
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
by artist: The Monteverdi Choir
by artist: NDR Chor
by artist: Howard Arman
in album: Britten: War Requiem; Spring Symphony; 5 Flower Songs; Hymn to St. Cecilia
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  date published: 2002-01-01
popularity: 3
isrc code: DEF059230909
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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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  date published: 2026-07-08T03:53:27Z
audio: War Requiem, Op. 66 / Dies Irae: Dies irae (II)
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Die Sieben Todsünden: No.5 Unzucht "Und wir fanden einen Mann in Boston"
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duration: PT5M37S
duration ms: 337706
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: James Sims
by artist: Karl-Heinz Lampe
by artist: Christfried Biebrach
by artist: Frederick Martin
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
isrc code: DEF059303906
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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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  date published: 2026-07-08T03:20:19Z
audio: Die Sieben Todsünden: No.5 Unzucht "Und wir fanden einen Mann in Boston"
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Lady In The Dark: 3. My Ship
type: MusicRecording
duration: PT2M48S
duration ms: 168000
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
isrc code: DEF059303910
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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
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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
additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-08T03:22:41Z
audio: Lady In The Dark: 3. My Ship
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Lady In The Dark: 1. One Life To Live
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duration: PT3M1S
duration ms: 181000
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
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isrc code: DEF059303920
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303920
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Lady In The Dark: 1. One Life To Live
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One Touch Of Venus: Foolish Heart
type: MusicRecording
duration: PT2M31S
duration ms: 151000
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
isrc code: DEF059304010
additional property: CopyrightID
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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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  value: https://blockstream.info/api/block-height/957118
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x278ab9aac9890612101eb28d3d967f7f42431fbea2117d0b855049b45af5f8e3. 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/DEF059304010.
  date published: 2026-07-08T03:20:19Z
audio: One Touch Of Venus: Foolish Heart
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.01
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.29
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.158
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

One Touch Of Venus: Speak Low
type: MusicRecording
duration: PT3M59S
duration ms: 239000
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0106134f4f6eaad7f03dd81535635f4090d482fe64100bf7c40b2d59f611eb14. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304020.
  date published: 2026-07-22T15:38:35Z
audio: One Touch Of Venus: Speak Low
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.251
  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: 0.164
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.993
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF059304020
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959144
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T15:38:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304020
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959144
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T15:38:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Sieben Todsünden: Introduktion: Andante sostenuto "Meine Schwester . . .
type: MusicRecording
duration: PT3M26S
duration ms: 206426
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2001144c55f98d3f872793f9c8e76c5309cba1a68be8b2d35d1c041efb99bfc. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/DEF059303901.
  date published: 2026-07-30T14:44:50Z
audio: Die Sieben Todsünden: Introduktion: Andante sostenuto "Meine Schwester . . .
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.858
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.332
  additional property: Energy
    type: PropertyValue
    value: 0.071
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.93
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.285
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.09
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.95
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF059303901
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960266
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:44:50+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303901
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960266
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Sieben Todsünden: Faulheit: Allegro vivace "Müssiggang ist aller Laster"
type: MusicRecording
duration: PT3M47S
duration ms: 227333
explicit: false
by artist: Kurt Weill
by artist: James Sims
by artist: Karl-Heinz Lampe
by artist: Christfried Biebrach
by artist: Frederick Martin
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb08a00b14c856fc21ffa3beab64ed9cd8c551a7b3fed8ae0552d1626efaea5a6. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303902.
  date published: 2026-07-31T15:20:15Z
audio: Die Sieben Todsünden: Faulheit: Allegro vivace "Müssiggang ist aller Laster"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.587
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.491
  additional property: Energy
    type: PropertyValue
    value: 0.217
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.293
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.224
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.846
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF059303902
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303902
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Sieben Todsünden: Zorn: Molto agitato "Das geht nicht vorwärts"
type: MusicRecording
duration: PT4M0S
duration ms: 240000
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: James Sims
by artist: Karl-Heinz Lampe
by artist: Christfried Biebrach
by artist: Frederick Martin
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2d1d39b60450b637354cbe66a0d2baff7b71b986680545a30ce198afe767049. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303904.
  date published: 2026-07-31T23:30:38Z
audio: Die Sieben Todsünden: Zorn: Molto agitato "Das geht nicht vorwärts"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.264
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.289
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.326
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.443
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.378
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF059303904
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960478
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303904
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Happy End (1929): 2. Surabaya Johnny
type: MusicRecording
duration: PT6M1S
duration ms: 361000
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb756319a6532446895799dd8dee741d564b6a1659b8bcb3c22aecad93e0e055. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303960.
  date published: 2026-07-31T02:51:48Z
audio: Happy End (1929): 2. Surabaya Johnny
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.604
  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: 0.243
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.771
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEF059303960
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960337
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:51:48+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303960
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

One Touch Of Venus: I'm A Stranger Here Myself
type: MusicRecording
duration: PT3M13S
duration ms: 193000
explicit: false
by artist: Kurt Weill
by artist: Anne Sofie von Otter
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Weill: Speak Low
  type: MusicAlbum
  date published: 1994-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x034f396dd2e151d171bbba3eef96e61f29aa3277cfa7cab10992f21f39548e6d. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/DEF059304030.
  date published: 2026-07-29T23:20:38Z
audio: One Touch Of Venus: I'm A Stranger Here Myself
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.517
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.9
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.176
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.322
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEF059304030
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960163
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T23:20:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304030
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960163
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960163
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:20:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Hungarian Dance No. 5 in G Minor, WoO 1 (Orch. Schmeling)
type: MusicRecording
duration: PT2M34S
duration ms: 154000
explicit: false
by artist: Johannes Brahms
by artist: NDR Elbphilharmonie Orchester
by artist: John Eliot Gardiner
in album: Dvorák: Symphonic Variations, Op. 78, Czech Suite, Op. 39; Brahms: Hungarian Dances
  type: MusicAlbum
  date published: 1993-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: DEF059203020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T21:26:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x206fdf11b6c25c05ebd22c75e0957ee7583116cb4418a8c4ffaf1dd8484863e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059203020
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Czech Suite, Op. 39: 2. Polka (Allegretto grazioso)
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Piano Concerto No. 13 in C Major, K. 415: II. Andante - Live
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Piano Concerto No. 15 in B-Flat Major, K. 450: I. Allegro - Live
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Piano Concerto No. 15 in B-Flat Major, K. 450: II. Andante - Live
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Piano Concerto No. 15 in B-Flat Major, K. 450: III. Finale. Allegro - Live
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Piano Concerto No. 13 in C Major, K. 415: I. Allegro - Live
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Piano Concerto No. 13 in C Major, K. 415: III. Rondeau. Allegro - Live
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by artist: NDR Elbphilharmonie Orchester
by artist: Cord Garben
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  date published: 2026-07-30T19:11:09Z
audio: Piano Concerto No. 13 in C Major, K. 415: III. Rondeau. Allegro - Live
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Piano Concerto No. 25 in C, K.503: III. Allegretto - Live
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audio: Piano Concerto No. 25 in C, K.503: III. Allegretto - Live
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Piano Concerto No. 20 in D Minor, K. 466 - Cadenzas: Ludwig van Beethoven: I. Allegro - Live
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  date published: 2026-07-30T06:39:12Z
audio: Piano Concerto No. 20 in D Minor, K. 466 - Cadenzas: Ludwig van Beethoven: I. Allegro - Live
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Piano Concerto No. 20 in D minor, K.466: II. Romance - Live
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  date published: 2026-07-30T15:42:38Z
audio: Piano Concerto No. 20 in D minor, K.466: II. Romance - Live
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Piano Concerto No. 20 in D minor, K.466: III. Rondo (Allegro assai) - Live
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  date published: 2026-07-30T14:36:16Z
audio: Piano Concerto No. 20 in D minor, K.466: III. Rondo (Allegro assai) - Live
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Piano Concerto No. 25 in C, K.503: I. Allegro Maestoso - Live
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  date published: 2026-07-31T12:24:41Z
audio: Piano Concerto No. 25 in C, K.503: I. Allegro Maestoso - Live
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Piano Concerto No. 25 in C, K.503: II. Andante - Live
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Serenade for Strings in E Major, Op. 22, B.52: II. Tempo di valse
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by artist: Hans Schmidt-Isserstedt
by artist: NDR Elbphilharmonie Orchester
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  date published: 2026-07-08T08:56:20Z
audio: Serenade for Strings in E Major, Op. 22, B.52: II. Tempo di valse
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Serenade for Strings in E Major, Op. 22, B.52: I. Moderato
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by artist: Hans Schmidt-Isserstedt
by artist: NDR Elbphilharmonie Orchester
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  date published: 2026-07-31T17:29:52Z
audio: Serenade for Strings in E Major, Op. 22, B.52: I. Moderato
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21 Hungarian Dances, WoO 1 (Orchestral Version): No. 1 in G Minor. Allegro molto
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by artist: Hans Schmidt-Isserstedt
by artist: NDR Elbphilharmonie Orchester
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  date published: 2026-07-08T03:20:19Z
audio: 21 Hungarian Dances, WoO 1 (Orchestral Version): No. 1 in G Minor. Allegro molto
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21 Hungarian Dances, WoO 1 (Orchestral Version): No. 5 in G Minor. Allegro
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by artist: Johannes Brahms
by artist: Hans Schmidt-Isserstedt
by artist: NDR Elbphilharmonie Orchester
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  date published: 2026-07-30T16:01:17Z
audio: 21 Hungarian Dances, WoO 1 (Orchestral Version): No. 5 in G Minor. Allegro
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11. Endlich in Wien
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popularity: 5
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  date published: 2026-07-29T11:07:37Z
audio: 11. Endlich in Wien
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Nocturne in C-Sharp Minor, Op. Posth.
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subject of: OpenTimestamps Proof of Existence
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audio: Nocturne in C-Sharp Minor, Op. Posth.
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Dvořák: Symphony No. 9 in E Minor, Op. 95 "From the New World" & A Hero's Song, Op. 111
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Elbphilharmonie First Recording - Brahms: Symphonies Nos. 3 & 4
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Shostakovich: Violin Concertos Nos. 1 & 2
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Strauss: Also sprach Zarathustra, Don Juan, Till Eulenspiegel
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Verdi: Messa da Requiem
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Mozart Klavierkonzerte Nr. 20 & 25
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Mozart: Symphony No. 40 in G Minor, K. 550 – Brahms: Symphony No. 4 in E Minor, Op. 98 (Live)
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Bussotti: The Rara Requiem
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Ravel Conducts Ravel
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Britten: War Requiem; Spring Symphony; 5 Flower Songs; Hymn to St. Cecilia
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Rachmaninov: Symphonic Dances / Janácek: Taras Bulba
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Weill: Speak Low
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track: One Touch Of Venus: Foolish Heart
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Dvorák: Symphonic Variations, Op. 78, Czech Suite, Op. 39; Brahms: Hungarian Dances
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Mozart: Piano Concertos No.13 KV 415 & No.15 KV 450
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Mozart: Piano Concertos Nos. 20 & 25
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Maderna: Quadrivium
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Mozart: Die Gärtnerin aus Liebe, K. 196 (Hans Schmidt-Isserstedt Edition 2, Vol. 3)
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Dvořák: Serenade for Strings (Hans Schmidt-Isserstedt Edition 2, Vol. 12)
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Brahms: 21 Hungarian Dances
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Mozart: Violin Concerto No. 4, Violin Concerto No. 5 (Hans Schmidt-Isserstedt Edition 2, Vol. 9)
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Verdi: La traviata (Hans Schmidt-Isserstedt Edition 2, Vol. 11)
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Fantasy on Polish Airs, Op. 13: Largo non troppo
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