Isaac Stern
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genre: chamber music
genre: classical
description: Isaac Stern (July 21, 1920 – September 22, 2001) was an American violinist. Born in Poland, Stern moved to the United States when he was 14 months old. Stern performed both nationally and internation
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album: Lucerne Festival Historic Performances: Isaac Stern
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album: Isaac Stern, Vol. 8 (Live)
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  date published: 2021-07-09
album: Isaac Stern Live, Vol. 3
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  date published: 2021-01-15
album: The Art of David Oistrakh
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  track: Introduction et rondo capriccioso, Op. 28 - 2022 Remastered Version
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album: Isaac Stern, Vol. 1 (Live)
album: David Oistrakh & Isaac Stern Play Bach & Vivaldi
album: Isaac Stern, Vol. 11 (Live)
album: Isaac Stern, Vol. 10 (Live)
album: Isaac Stern, Vol. 9 (Live)
album: Isaac Stern & Pinchas Zukerman (Live)
album: Isaac Stern, Vol. 6 (Live)
album: Isaac Stern Live, Vol. 7
album: Isaac Stern, Vol. 5 (Live)
album: Isaac Stern, Vol. 4 (Live)
album: Isaac Stern Live, Vol. 2
album: Bach, Mozart & Others: Works (Live)
album: Bartók: Violin Sonata No. 1, Sz. 75 (Remastered)
album: George Szell: Concertos & Symphonies
album: Mozart: Violin Concertos Nos. 1, 3 & 5
album: Brahms: Double Concerto in A Minor, Op. 102 & Beethoven: Triple Concerto in C Major, Op. 56
album: Beethoven: Violin Concerto in D Major, Op. 61 (Remastered)
album: Bartók: Violin Concerto No. 2 in B Minor, Sz.112 (Remastered)
album: Bartók: Rhapsodies No. 1 and No. 2 - Berg: Violin Concerto (Remastered)
album: Barber: Violin Concerto, Op. 14 - Hindemith: Violin Concerto (Remastered)
album: Beethoven: Triple Concerto, Op. 56 - Brahms: Double Concerto, Op 102
album: Bach & Vivaldi: Six Concertos For Two Violins
album: Mozart & Brahms: Violin Concerti (Live)
album: Leonard Bernstein: Serenade for Violin Solo, Strings and Percussion
album: Alban Berg & Belá Bartók: Violin Concertos
album: Edouard Lalo: Le Roi d'Ys (Overture), Symphonie espagnole, Concerto russe
album: Camille Saint-Saëns: Piano Concerto No. 2, Cello Concerto No. 1, Violin Concerto No. 3, Introduction & Rondo capriccioso
album: Schubert: Piano Trio No. 1 - Mozart: Piano Quartet No. 2 - Haydn: Piano Trio No. 10
album: Beethoven, L. van: Violin Concerto, Op. 61 / Overture to Collin's Coriolan, "Coriolan Overture"
album: L'âme du violon
album: Brahms: Violin Concerto in D Major, Op. 77 & Double Concerto for Violin and Cello in A Minor, Op. 102
album: Concert à la Salle Gaveau à Paris
album: Schubert: Piano Trio No. 1; Brahms: String Quintet No. 2; Bach: Sarabande & Double from Partita No. 1, BWV 1002 (Remastered)
album: Sonatas for Violin & Piano
album: Brahms & Mendelssohn: Violin Concertos
album: Dvorák: Chamber Music (Remastered)
album: Concert of the Century - Celebrating the 85th Anniversary of Carnegie Hall
track: Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
track: Sunrise, Sunset
track: Prologue / "Tradition" / Main Title
track: Sabbath Prayer
track: Chava Ballet Sequence
track: Anatevka
track: Finale
track: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
track: Concerto for 2 Violins in D Minor, BWV 1043: III. Allegro
track: Violin Concerto in A Minor, BWV 1041: I. Allegro
track: Violin Concerto in A Minor, BWV 1041: II. Andante
track: Violin Concerto in A Minor, BWV 1041: III. Allegro assai
track: Violin Concerto in E Major, BWV 1042: I. Allegro
track: Violin Concerto in E Major, BWV 1042: II. Adagio
track: Trio Sonata in G Major, BWV 1038: III. Adagio
track: Violin Concerto in E Major, BWV 1042: III. Allegro assai
track: Trio Sonata in G Major, BWV 1038: I. Largo
track: Trio Sonata in G Major, BWV 1038: II. Vivace
track: Trio Sonata in G Major, BWV 1038: IV. Presto

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Isaac Stern, Vol. 1 (Live)
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David Oistrakh & Isaac Stern Play Bach & Vivaldi
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Isaac Stern, Vol. 11 (Live)
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Isaac Stern, Vol. 10 (Live)
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Isaac Stern, Vol. 9 (Live)
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Isaac Stern & Pinchas Zukerman (Live)
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date published: 2021-07-09

Isaac Stern, Vol. 6 (Live)
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date published: 2021-05-21

Isaac Stern Live, Vol. 7
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date published: 2021-05-21

Isaac Stern, Vol. 5 (Live)
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date published: 2021-05-07

Isaac Stern, Vol. 4 (Live)
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date published: 2021-02-12

Isaac Stern Live, Vol. 2
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date published: 2021-01-01

Bach, Mozart & Others: Works (Live)
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Bartók: Violin Sonata No. 1, Sz. 75 (Remastered)
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track: Violin Concerto No. 5 in A Major, K. 219 "Turkish": I. Allegro aperto
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Violin Concerto No. 3 in G Major, K. 216: I. Allegro
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Brahms: Double Concerto in A Minor, Op. 102 & Beethoven: Triple Concerto in C Major, Op. 56
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Beethoven: Violin Concerto in D Major, Op. 61 (Remastered)
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    date published: 2026-07-02T03:30:09Z
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    date published: 2026-07-08T03:20:19Z
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Bartók: Violin Concerto No. 2 in B Minor, Sz.112 (Remastered)
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Concerto for Two Violins in D Minor BWV1043
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Concerto for Two Violins in G Minor P366 (RV517)
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Mozart & Brahms: Violin Concerti (Live)
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Leonard Bernstein: Serenade for Violin Solo, Strings and Percussion
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Alban Berg & Belá Bartók: Violin Concertos
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Edouard Lalo: Le Roi d'Ys (Overture), Symphonie espagnole, Concerto russe
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Camille Saint-Saëns: Piano Concerto No. 2, Cello Concerto No. 1, Violin Concerto No. 3, Introduction & Rondo capriccioso
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Schubert: Piano Trio No. 1 - Mozart: Piano Quartet No. 2 - Haydn: Piano Trio No. 10
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Beethoven, L. van: Violin Concerto, Op. 61 / Overture to Collin's Coriolan, "Coriolan Overture"
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L'âme du violon
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Concert à la Salle Gaveau à Paris
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Schubert: Piano Trio No. 1; Brahms: String Quintet No. 2; Bach: Sarabande & Double from Partita No. 1, BWV 1002 (Remastered)
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Sonatas for Violin & Piano
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Brahms & Mendelssohn: Violin Concertos
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Dvorák: Chamber Music (Remastered)
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    date published: 2026-07-31T12:24:41Z
  audio: 4 Romantic Pieces, Op. 75, B. 150: No. 1, Allegro moderato
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Concert of the Century - Celebrating the 85th Anniversary of Carnegie Hall
type: MusicAlbum
date published: 1976
track: Cello Sonata in G Minor, Op. 19: III. Andante
  type: MusicRecording
  duration: PT6M46S
  duration ms: 406733
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Vladimir Horowitz
  by artist: Mstislav Rostropovich
  in album: Concert of the Century - Celebrating the 85th Anniversary of Carnegie Hall
    type: MusicAlbum
    date published: 1976
  popularity: 5
  genre: classical
  genre: classical-piano
  genre: concerto
  isrc code: USSM10410652
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T22:45:08+00:00
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    value: https://explorer.copyrightchains.com/tx/0xd18b6fd1fb0901655d3a9bfa9e75c46c8500478a8398c3df3a58f295a2dfb0c8
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  additional property: OTSBitcoinBlock
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    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/USSM10410652
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18b6fd1fb0901655d3a9bfa9e75c46c8500478a8398c3df3a58f295a2dfb0c8. 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/USSM10410652.
    date published: 2026-07-08T03:20:19Z
  audio: Cello Sonata in G Minor, Op. 19: III. Andante
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    additional property: Tempo (BPM)
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
type: MusicRecording
duration: PT3M52S
duration ms: 232293
explicit: false
by artist: Johann Sebastian Bach
by artist: Zubin Mehta
by artist: New York Philharmonic
by artist: Isaac Stern
by artist: Itzhak Perlman
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 42
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM19911581
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19911581
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4232da71e730488f10039ef0d61da318007bbc55e4165dfaaf9632a917bf4392. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSM19911581.
  date published: 2026-06-13T12:47:07Z
audio: Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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  additional property: Tempo (BPM)
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    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Valence (Positivity)
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    value: -17.814
  additional property: Key Name
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Sunrise, Sunset
type: MusicRecording
duration: PT3M51S
duration ms: 231333
explicit: false
by artist: John Williams
by artist: Chaim Topol
by artist: Norma Crane
by artist: Michael Gläser
by artist: Michele Marsh
by artist: "Fiddler On The Roof” Motion Picture Chorus
by artist: Isaac Stern
by artist: "Fiddler On The Roof” Motion Picture Orchestra
in album: Fiddler On The Roof (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 1971-08-24
popularity: 40
isrc code: USNPD0801087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:34:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0002056589264164bfaf7b53dce2af118ff4595fd6eef27e7982583e7f016b28
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNPD0801087
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0002056589264164bfaf7b53dce2af118ff4595fd6eef27e7982583e7f016b28. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USNPD0801087.
  date published: 2026-06-13T12:47:07Z
audio: Sunrise, Sunset
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 5
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    type: PropertyValue
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  additional property: Danceability
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    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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Prologue / "Tradition" / Main Title
type: MusicRecording
duration: PT11M20S
duration ms: 680533
explicit: false
by artist: John Williams
by artist: Chaim Topol
by artist: "Fiddler On The Roof” Motion Picture Chorus
by artist: Isaac Stern
by artist: "Fiddler On The Roof” Motion Picture Orchestra
in album: Fiddler On The Roof (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 1971-08-24
popularity: 36
isrc code: USNPD0801080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-05T08:36:11+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x55e6a0efd69de0d756c8fa57b366a83d14d7d8b9e54bd69c446385eb4c39a854
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNPD0801080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e6a0efd69de0d756c8fa57b366a83d14d7d8b9e54bd69c446385eb4c39a854. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USNPD0801080.
  date published: 2026-06-13T12:47:07Z
audio: Prologue / "Tradition" / Main Title
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Key Name
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Sabbath Prayer
type: MusicRecording
duration: PT2M40S
duration ms: 160600
explicit: false
by artist: John Williams
by artist: Chaim Topol
by artist: Norma Crane
by artist: "Fiddler On The Roof” Motion Picture Chorus
by artist: "Fiddler On The Roof” Motion Picture Orchestra
by artist: Isaac Stern
in album: Fiddler On The Roof (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 1971-08-24
popularity: 34
isrc code: USNPD0801083
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:46:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15fb558191362f510fc46bb6cfe458c4526fa223b206ebcc1045aeeef50f9842
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNPD0801083
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15fb558191362f510fc46bb6cfe458c4526fa223b206ebcc1045aeeef50f9842. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USNPD0801083.
  date published: 2026-06-13T12:47:07Z
audio: Sabbath Prayer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
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Chava Ballet Sequence
type: MusicRecording
duration: PT2M37S
duration ms: 157133
explicit: false
by artist: John Williams
by artist: Chaim Topol
by artist: Isaac Stern
by artist: "Fiddler On The Roof” Motion Picture Orchestra
in album: Fiddler On The Roof (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 1971-08-24
popularity: 32
isrc code: USNPD0801091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T00:19:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x390839231329ef317da1c39403f391e475ab2974ef0b1472a68b4196a76d0763
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/USNPD0801091
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x390839231329ef317da1c39403f391e475ab2974ef0b1472a68b4196a76d0763. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USNPD0801091.
  date published: 2026-06-13T12:53:06Z
audio: Chava Ballet Sequence
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.063
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.312
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.018
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.659
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
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Anatevka
type: MusicRecording
duration: PT3M38S
duration ms: 218106
explicit: false
by artist: John Williams
by artist: Chaim Topol
by artist: Norma Crane
by artist: Paul Mann
by artist: Molly Picon
by artist: Barry Dennen
by artist: Shimen Ruskin
by artist: "Fiddler On The Roof” Motion Picture Chorus
by artist: Isaac Stern
by artist: "Fiddler On The Roof” Motion Picture Orchestra
in album: Fiddler On The Roof (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 1971-08-24
popularity: 29
isrc code: USNPD0801092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/USNPD0801092
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0f4e206822998c16624b1d64a6654ed1e78713225f082f7f1c3cb0ca4246c9e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USNPD0801092.
  date published: 2026-06-13T12:53:06Z
audio: Anatevka
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Finale
type: MusicRecording
duration: PT1M49S
duration ms: 109226
explicit: false
by artist: John Williams
by artist: Isaac Stern
by artist: "Fiddler On The Roof” Motion Picture Orchestra
in album: Fiddler On The Roof (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 1971-08-24
popularity: 27
isrc code: USNPD0801093
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xaaef9ea63e070c53b81a7e342ff9751f328f72273181209e3c3ca53a58cbc36a
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/USNPD0801093
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaef9ea63e070c53b81a7e342ff9751f328f72273181209e3c3ca53a58cbc36a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USNPD0801093.
  date published: 2026-06-13T12:53:06Z
audio: Finale
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.72
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.575
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.874
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.804
  additional property: Liveness
    type: PropertyValue
    value: 0.353
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.352
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.468
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
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Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
type: MusicRecording
duration: PT6M58S
duration ms: 418973
explicit: false
by artist: Johann Sebastian Bach
by artist: Zubin Mehta
by artist: New York Philharmonic
by artist: Isaac Stern
by artist: Itzhak Perlman
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 27
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM19911582
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T03:58:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0672f96408caa380d95ecc2bb8b513b30270a26e894eac895f49ccbebbb006d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19911582
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0672f96408caa380d95ecc2bb8b513b30270a26e894eac895f49ccbebbb006d6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSM19911582.
  date published: 2026-06-13T13:32:09Z
audio: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.731
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.196
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.109
  additional property: Liveness
    type: PropertyValue
    value: 0.42
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.277
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.501
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto for 2 Violins in D Minor, BWV 1043: III. Allegro
type: MusicRecording
duration: PT5M10S
duration ms: 310440
explicit: false
by artist: Johann Sebastian Bach
by artist: Zubin Mehta
by artist: New York Philharmonic
by artist: Isaac Stern
by artist: Itzhak Perlman
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 24
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM19911583
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:46:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a764690271044f41f2e09b96a64534fbf5bb2c090af95f433057c47372102d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19911583
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a764690271044f41f2e09b96a64534fbf5bb2c090af95f433057c47372102d7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSM19911583.
  date published: 2026-06-13T13:32:09Z
audio: Concerto for 2 Violins in D Minor, BWV 1043: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.518
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.037
  additional property: Liveness
    type: PropertyValue
    value: 0.891
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.74
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.219
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Violin Concerto in A Minor, BWV 1041: I. Allegro
type: MusicRecording
duration: PT4M13S
duration ms: 253040
explicit: false
by artist: Johann Sebastian Bach
by artist: Isaac Stern
by artist: London Symphony Orchestra
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 22
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM16600640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T03:53:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdae6fc9dc337aaaa96dd89231101ae504a2a6c8dd66cc73f66b604356393ef50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM16600640
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdae6fc9dc337aaaa96dd89231101ae504a2a6c8dd66cc73f66b604356393ef50. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSM16600640.
  date published: 2026-06-13T13:32:09Z
audio: Violin Concerto in A Minor, BWV 1041: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.427
  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: 0.307
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.237
  additional property: Liveness
    type: PropertyValue
    value: 0.048
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.552
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.156
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Violin Concerto in A Minor, BWV 1041: II. Andante
type: MusicRecording
duration: PT7M29S
duration ms: 449133
explicit: false
by artist: Johann Sebastian Bach
by artist: Isaac Stern
by artist: London Symphony Orchestra
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 19
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM16600641
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T11:25:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xabdb9f57be507d2f2a32a5900b853692e1c37830d71a23b30f7f02d0b94f7ec0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM16600641
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabdb9f57be507d2f2a32a5900b853692e1c37830d71a23b30f7f02d0b94f7ec0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSM16600641.
  date published: 2026-06-13T13:32:09Z
audio: Violin Concerto in A Minor, BWV 1041: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.545
  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: 0.157
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.333
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.091
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Concerto in A Minor, BWV 1041: III. Allegro assai
type: MusicRecording
duration: PT4M12S
duration ms: 252360
explicit: false
by artist: Johann Sebastian Bach
by artist: Isaac Stern
by artist: London Symphony Orchestra
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 18
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM16600642
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T11:24:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x234f33213ce76552478b97f833df4187475477080ae8d621ae1d673cc8b82682
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM16600642
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x234f33213ce76552478b97f833df4187475477080ae8d621ae1d673cc8b82682. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSM16600642.
  date published: 2026-06-13T13:32:09Z
audio: Violin Concerto in A Minor, BWV 1041: III. Allegro assai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.927
  additional property: Musical Key
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Violin Concerto in E Major, BWV 1042: I. Allegro
type: MusicRecording
duration: PT8M34S
duration ms: 514253
explicit: false
by artist: Johann Sebastian Bach
by artist: Isaac Stern
by artist: Alexander Schneider
by artist: English Chamber Orchestra
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 17
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM10112353
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T11:26:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10112353
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77ebb5aabf4e07c1ef5f6e606349b0560e1e3c4662608e565fec5c9a9798ab19. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSM10112353.
  date published: 2026-06-13T13:32:09Z
audio: Violin Concerto in E Major, BWV 1042: I. Allegro
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  additional property: Tempo (BPM)
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Violin Concerto in E Major, BWV 1042: II. Adagio
type: MusicRecording
duration: PT7M24S
duration ms: 444733
explicit: false
by artist: Johann Sebastian Bach
by artist: Isaac Stern
by artist: Alexander Schneider
by artist: English Chamber Orchestra
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 15
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM10112354
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T02:22:57+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x59e2689150e1e81f4c44c6c844b5629775fb65db2c08a2a7fc50414983049e9a
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10112354
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59e2689150e1e81f4c44c6c844b5629775fb65db2c08a2a7fc50414983049e9a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM10112354.
  date published: 2026-07-02T03:30:09Z
audio: Violin Concerto in E Major, BWV 1042: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    type: PropertyValue
    value: 5
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    type: PropertyValue
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Trio Sonata in G Major, BWV 1038: III. Adagio
type: MusicRecording
duration: PT2M16S
duration ms: 136933
explicit: false
by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Isaac Stern
by artist: John Steele Ritter
by artist: Leslie Parnas
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 15
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM18100697
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:09:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6bffd09d8201b5e15df0f55abc5a61973297f603366af54c7b5b7cfa535065a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18100697
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6bffd09d8201b5e15df0f55abc5a61973297f603366af54c7b5b7cfa535065a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM18100697.
  date published: 2026-07-02T03:30:09Z
audio: Trio Sonata in G Major, BWV 1038: III. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.244
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    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.094
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Violin Concerto in E Major, BWV 1042: III. Allegro assai
type: MusicRecording
duration: PT2M57S
duration ms: 177573
explicit: false
by artist: Johann Sebastian Bach
by artist: Isaac Stern
by artist: Alexander Schneider
by artist: English Chamber Orchestra
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM10112355
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:00:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9fd99593247356a94829024be51cdf7a32ac6f77b398ca6a71fbac1e0e1dc4f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10112355
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9fd99593247356a94829024be51cdf7a32ac6f77b398ca6a71fbac1e0e1dc4f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM10112355.
  date published: 2026-07-02T03:30:09Z
audio: Violin Concerto in E Major, BWV 1042: III. Allegro assai
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.303
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.796
  additional property: Liveness
    type: PropertyValue
    value: 0.33
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.784
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.41
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
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Trio Sonata in G Major, BWV 1038: I. Largo
type: MusicRecording
duration: PT3M27S
duration ms: 207826
explicit: false
by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Isaac Stern
by artist: John Steele Ritter
by artist: Leslie Parnas
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM18100695
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:08:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a919b4fc06220d7a7e56f7520bfd54d51f2fd689cb70b615b01a07e117da402
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18100695
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a919b4fc06220d7a7e56f7520bfd54d51f2fd689cb70b615b01a07e117da402. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM18100695.
  date published: 2026-07-02T03:30:09Z
audio: Trio Sonata in G Major, BWV 1038: I. Largo
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 98.958
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.123
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
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    value: 0.337
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Trio Sonata in G Major, BWV 1038: II. Vivace
type: MusicRecording
duration: PT0M59S
duration ms: 59360
explicit: false
by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Isaac Stern
by artist: John Steele Ritter
by artist: Leslie Parnas
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM18100696
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:06:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf27d7b84ed6fb21a9a501606f4d03e2ba3f51e8457bab639dcc23481d635967
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18100696
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf27d7b84ed6fb21a9a501606f4d03e2ba3f51e8457bab639dcc23481d635967. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM18100696.
  date published: 2026-07-02T03:30:09Z
audio: Trio Sonata in G Major, BWV 1038: II. Vivace
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.593
  additional property: Energy
    type: PropertyValue
    value: 0.294
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Trio Sonata in G Major, BWV 1038: IV. Presto
type: MusicRecording
duration: PT1M24S
duration ms: 84040
explicit: false
by artist: Johann Sebastian Bach
by artist: Jean-Pierre Rampal
by artist: Isaac Stern
by artist: John Steele Ritter
by artist: Leslie Parnas
in album: Bach: "Double" Concerto for Two Violins in D minor; Violin Concertos Nos. 1 & 2 [Expanded Edition]
  type: MusicAlbum
  date published: 1967
popularity: 13
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSM18100698
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:06:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4cadc902d3751b72bdc1edeaf288088b49064f7d2de64a33b25a4ec412f5c8e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18100698
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cadc902d3751b72bdc1edeaf288088b49064f7d2de64a33b25a4ec412f5c8e3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM18100698.
  date published: 2026-07-02T03:30:09Z
audio: Trio Sonata in G Major, BWV 1038: IV. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.792
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.639
  additional property: Energy
    type: PropertyValue
    value: 0.385
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.834
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.16
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.944
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.199
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major