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genre: classical
popularity: 15
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subject of: OpenTimestamps Proof of Existence
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album: Best - Bach
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    by artist: Torleif Thedéen
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:30:09Z
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album: 101 Piezas Mas Clasicas
album: Bach Hits
album: 100 Classical Essentials
album: 100 Pieces of Classical Music For Your Brain
album: Bach Essentials
album: Green Edition - Bach: Brandenburg Concerto No. 1 & The Art of the Fugue, BWV 1080
album: Green Edition - Bach: Brandenburg Concertos Nos. 3 & 4
album: Bach - Famous Organ Works Vol. 2
album: Johann Sebastian Bach - Famous Organ Works Vol. 1
album: Bach: Famous Organ Works
album: Grey Edition - Bach: Fantasia, BWV 572 & Organ Sonata No. 4, BWV 528 "Trio Sonata"
album: Grey Edition - Bach: Fantasia, BWV 572 & Organ Sonata No. 4, BWV 528
album: Grey Edition - Bach: Toccatas, BWV 913-916 & Toccata and Fugue "Dorian"
album: Grey Edition - Bach: Toccata und Fugue, BWV 538 "Dorian" & 18 Corale Preludes, Nos. 3, 9 & 14
album: Johann Sebastian Bach: Famous Organ Works
album: Yellow Edition - Bach: Violin Concerto No. 1, BWV 1041 & Brandenburg Concerto No. 4
album: Yellow Edition - Bach: Italian Concerto, BWV 971 & Double Concerto for 2 Violins and Orchestra
album: Yellow Edition - Bach: Chromatic Fantasia and Fugue & Brandenburg Concerto No. 4
album: Yellow Edition - Bach: 18 Chorale Preludes No. 3, 9, 14 & Italian Concerto, BWV 971
album: Orange Edition - Bach: Toccata and Fugue "Dorian" & Choral works
album: Orange Edition - Bach: Prelude and Fugue, BWV 547 & Choral works
album: Orange Edition - Bach: Jesu, meine Freude, BWV 227 & Chorale Preludes Nos. 3, 9, 14
album: Orange Edition - Bach: Fantasia, BWV 572 & Organ Sonata No. 4, BWV 528
album: Green Edition - Bach: The Art of the Fugue, BWV 1080
album: Blue Edition - Bach: Prelude and Fugue, BWV 547 & 548
album: Blue Edition - Bach: Prelude and Fugue "Wedge" & Organ Sonata No. 4 "Trio Sonata"
album: Blue Edition - Bach: 18 Chorale Preludes & "Trio Sonata", BWV 528
album: Blue Edition - Bach: "Dorian", BWV 538 & Toccata and Fugue, BWV 565
album: Green Edition - Bach: Organ Sonata No. 4 "Trio Sonata" & Fantasia, BWV 572
album: Green Edition - Bach: Fantasia, BWV 572 & Toccata, BWV 916
album: Green Edition - Bach: Brandenburg Concertos Nos. 5 & 6
album: Classical Selection - Bach: Organ Works
album: Bach - Famous Organ Works
album: The Classical Collection - J. S. Bach - Obras maestras
album: Red Edition - Bach: Orchestral Suites Nos. 2 & 3
album: Red Edition - Bach: "Trio Sonata", BWV 528 & Orchestral Suite No. 1, BWV 1066
album: Red Edition - Bach: "Trio Sonata" & Orchestral Suites Nos. 2 & 3
album: Red Edition - Bach: "Dorian" BWV 538 & Orchestral Suite No. 1, BWV 1066
album: Bach: Organ Music Selections

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101 Piezas Mas Clasicas
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Bach Hits
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100 Classical Essentials
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date published: 2009-01-01

100 Pieces of Classical Music For Your Brain
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date published: 2012-08-28
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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  by artist: Slovak Philharmonic
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  genre: late-romantic-era
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: String Quartet No. 62 in C Major, Op. 76:3, "Emperor": II. Poco adagio: Cantabile
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track: Waltz No. 1 in D-Flat Major, Op. 64, "Minute Waltz"
track: Concerto in D Major for Violin and Orchestra, Op. 77: III. Allegro giocoso
track: Festival Overture in E-Flat Major, "The Year 1812", Op. 49
track: Symphony No. 3 in D Minor, "The Wagner": II. Adagio, Etwas bewegt, quasi Andante
track: Prince Igor, Polovtsian Dances: I. Introduction - Andantino
track: Piano Sonata in A major, K. 331 - III. Finale - Rondo a la Turka
track: 12 Études, Op. 10: No. 12 in C Minor, "Revolutionary": Allegro con fuoco
track: Concerto No. 1 in E-Flat Major for Piano and Orchestra, S. 124: II. Quasi adagio
track: Slåtter (Norwegian Peasant Dances), Op. 72: Bruremarsch fra Telemarken (Bridal March from Telemark)
track: Concerto in E-Flat Major for Trumpet and Orchestra, Hob. VIIe: III. Finale: Allegro
track: Tragic Overture in D Minor, Op. 81: Allegro ma non troppo - Molto più moderato - Tempo primo ma tranquillo
track: Symphony No. 5 in B-Flat Major, D. 485: II. Andante con moto

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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535b103a192b06b9640e6dce8f5c189633771ae41ed36d201c5676a8038f356c. 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/DEB790303086.
date published: 2026-07-02T03:55:08Z

String Quartet No. 62 in C Major, Op. 76:3, "Emperor": II. Poco adagio: Cantabile
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 140.64
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: 0.214
additional property: Energy
  type: PropertyValue
  value: 0.077
additional property: Speechiness
  type: PropertyValue
  value: 0.047
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.874
additional property: Liveness
  type: PropertyValue
  value: 0.245
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.097
additional property: Loudness (dB)
  type: PropertyValue
  value: -28.167
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Waltz No. 1 in D-Flat Major, Op. 64, "Minute Waltz"
type: MusicRecording
duration: PT1M53S
duration ms: 113052
explicit: false
by artist: Frédéric Chopin
by artist: Henrik Måwe
in album: 100 Pieces of Classical Music For Your Brain
  type: MusicAlbum
  date published: 2012-08-28
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: SEWDL6018041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T04:02:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8609c41eed23568ed8b979ce104241dc3030d8b7a92e1f79dbd45cd7c85d4b09
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/SEWDL6018041
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 0x8609c41eed23568ed8b979ce104241dc3030d8b7a92e1f79dbd45cd7c85d4b09. 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/SEWDL6018041.
  date published: 2026-07-02T03:30:09Z
audio: Waltz No. 1 in D-Flat Major, Op. 64, "Minute Waltz"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.349
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.276
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.945
  additional property: Liveness
    type: PropertyValue
    value: 0.338
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.375
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.402
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto in D Major for Violin and Orchestra, Op. 77: III. Allegro giocoso
type: MusicRecording
duration: PT8M55S
duration ms: 535666
explicit: false
by artist: Johannes Brahms
by artist: Borika Van Den Booren
in album: 100 Pieces of Classical Music For Your Brain
  type: MusicAlbum
  date published: 2012-08-28
genre: classical
genre: german-romanticism
genre: late-romantic-era
isrc code: SEWDL0747803
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:51:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd451e91dd9028d9a95b701ea7bb46d93be9629d51730cc54dd3ca879b654462a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0747803
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xd451e91dd9028d9a95b701ea7bb46d93be9629d51730cc54dd3ca879b654462a. 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/SEWDL0747803.
  date published: 2026-07-02T03:55:08Z
audio: Concerto in D Major for Violin and Orchestra, Op. 77: III. Allegro giocoso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.299
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.393
  additional property: Energy
    type: PropertyValue
    value: 0.192
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.87
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.714
  additional property: Liveness
    type: PropertyValue
    value: 0.192
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.345
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.454
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Festival Overture in E-Flat Major, "The Year 1812", Op. 49
type: MusicRecording
duration: PT15M29S
duration ms: 929093
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Tbilisi Symphony Orchestra
in album: 100 Pieces of Classical Music For Your Brain
  type: MusicAlbum
  date published: 2012-08-28
isrc code: DEB790317215
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T05:30:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2cdccfd489c05d6124496e21997632557322d4ab59cf73f9acd65f6ad4fbc05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB790317215
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xa2cdccfd489c05d6124496e21997632557322d4ab59cf73f9acd65f6ad4fbc05. 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/DEB790317215.
  date published: 2026-07-02T03:55:08Z
audio: Festival Overture in E-Flat Major, "The Year 1812", Op. 49
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.357
  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: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.925
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.071
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 3 in D Minor, "The Wagner": II. Adagio, Etwas bewegt, quasi Andante
type: MusicRecording
duration: PT14M58S
duration ms: 898200
explicit: false
by artist: Anton Bruckner
by artist: State Symphony Capella of Russia
in album: 100 Pieces of Classical Music For Your Brain
  type: MusicAlbum
  date published: 2012-08-28
genre: classical
genre: orchestra
isrc code: SEWDL9400706
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T11:22:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba6e776c99e4194319057957bc436465c2185c56def7a753f2e717f370f72f9d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959128
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959128
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9400706
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T12:33:25Z
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 0xba6e776c99e4194319057957bc436465c2185c56def7a753f2e717f370f72f9d. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/SEWDL9400706.
  date published: 2026-07-22T12:33:25Z
audio: Symphony No. 3 in D Minor, "The Wagner": II. Adagio, Etwas bewegt, quasi Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.701
  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: 0.077
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.867
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.858
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.998
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Prince Igor, Polovtsian Dances: I. Introduction - Andantino
type: MusicRecording
duration: PT12M1S
duration ms: 721933
explicit: false
by artist: Alexander Borodin
by artist: Tbilisi Symphony Orchestra
in album: 100 Pieces of Classical Music For Your Brain
  type: MusicAlbum
  date published: 2012-08-28
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DEB790300544
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T14:54:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0eddd13571441188e58db225bdecb44dd610220f1579177cf8f1d9ae6f2a7ae4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB790300544
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x0eddd13571441188e58db225bdecb44dd610220f1579177cf8f1d9ae6f2a7ae4. 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/DEB790300544.
  date published: 2026-07-02T03:55:08Z
audio: Prince Igor, Polovtsian Dances: I. Introduction - Andantino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.43
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.44
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.284
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Piano Sonata in A major, K. 331 - III. Finale - Rondo a la Turka
type: MusicRecording
duration: PT3M24S
duration ms: 204320
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Elisso Bolkvadze
in album: 100 Pieces of Classical Music For Your Brain
  type: MusicAlbum
  date published: 2012-08-28
genre: classical
genre: classical-era
isrc code: DEB790300552
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T05:20:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cb03b4747681c15fcf865b14d7649857ea5269440408d36b825ad40b20438eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB790300552
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x8cb03b4747681c15fcf865b14d7649857ea5269440408d36b825ad40b20438eb. 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/DEB790300552.
  date published: 2026-07-02T03:55:08Z
audio: Piano Sonata in A major, K. 331 - III. Finale - Rondo a la Turka
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.148
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.614
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.952
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.874
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.961
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

12 Études, Op. 10: No. 12 in C Minor, "Revolutionary": Allegro con fuoco
type: MusicRecording
duration: PT2M55S
duration ms: 175466
explicit: false
by artist: Frédéric Chopin
by artist: Vitaly Margulis
in album: 100 Pieces of Classical Music For Your Brain
  type: MusicAlbum
  date published: 2012-08-28
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: SEWDL0519310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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audio: 12 Études, Op. 10: No. 12 in C Minor, "Revolutionary": Allegro con fuoco
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Concerto No. 1 in E-Flat Major for Piano and Orchestra, S. 124: II. Quasi adagio
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Slåtter (Norwegian Peasant Dances), Op. 72: Bruremarsch fra Telemarken (Bridal March from Telemark)
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Concerto in E-Flat Major for Trumpet and Orchestra, Hob. VIIe: III. Finale: Allegro
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  date published: 2026-07-02T03:55:08Z
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Tragic Overture in D Minor, Op. 81: Allegro ma non troppo - Molto più moderato - Tempo primo ma tranquillo
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Symphony No. 5 in B-Flat Major, D. 485: II. Andante con moto
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Bach Essentials
type: MusicAlbum
date published: 2020-04-04

Green Edition - Bach: Brandenburg Concerto No. 1 & The Art of the Fugue, BWV 1080
type: MusicAlbum
date published: 2015-11-03

Green Edition - Bach: Brandenburg Concertos Nos. 3 & 4
type: MusicAlbum
date published: 2015-10-01

Bach - Famous Organ Works Vol. 2
type: MusicAlbum
date published: 2024-12-06

Johann Sebastian Bach - Famous Organ Works Vol. 1
type: MusicAlbum
date published: 2024-01-26

Bach: Famous Organ Works
type: MusicAlbum
date published: 2021-12-23

Grey Edition - Bach: Fantasia, BWV 572 & Organ Sonata No. 4, BWV 528 "Trio Sonata"
type: MusicAlbum
date published: 2020-12-11

Grey Edition - Bach: Fantasia, BWV 572 & Organ Sonata No. 4, BWV 528
type: MusicAlbum
date published: 2020-12-10

Grey Edition - Bach: Toccatas, BWV 913-916 & Toccata and Fugue "Dorian"
type: MusicAlbum
date published: 2020-12-09

Grey Edition - Bach: Toccata und Fugue, BWV 538 "Dorian" & 18 Corale Preludes, Nos. 3, 9 & 14
type: MusicAlbum
date published: 2020-12-08

Johann Sebastian Bach: Famous Organ Works
type: MusicAlbum
date published: 2019-01-02

Yellow Edition - Bach: Violin Concerto No. 1, BWV 1041 & Brandenburg Concerto No. 4
type: MusicAlbum
date published: 2016-09-08

Yellow Edition - Bach: Italian Concerto, BWV 971 & Double Concerto for 2 Violins and Orchestra
type: MusicAlbum
date published: 2016-09-08

Yellow Edition - Bach: Chromatic Fantasia and Fugue & Brandenburg Concerto No. 4
type: MusicAlbum
date published: 2016-09-08

Yellow Edition - Bach: 18 Chorale Preludes No. 3, 9, 14 & Italian Concerto, BWV 971
type: MusicAlbum
date published: 2016-09-08

Orange Edition - Bach: Toccata and Fugue "Dorian" & Choral works
type: MusicAlbum
date published: 2016-03-31

Orange Edition - Bach: Prelude and Fugue, BWV 547 & Choral works
type: MusicAlbum
date published: 2016-03-31

Orange Edition - Bach: Jesu, meine Freude, BWV 227 & Chorale Preludes Nos. 3, 9, 14
type: MusicAlbum
date published: 2016-03-31

Orange Edition - Bach: Fantasia, BWV 572 & Organ Sonata No. 4, BWV 528
type: MusicAlbum
date published: 2016-03-31

Green Edition - Bach: The Art of the Fugue, BWV 1080
type: MusicAlbum
date published: 2015-11-03

Blue Edition - Bach: Prelude and Fugue, BWV 547 & 548
type: MusicAlbum
date published: 2015-10-16

Blue Edition - Bach: Prelude and Fugue "Wedge" & Organ Sonata No. 4 "Trio Sonata"
type: MusicAlbum
date published: 2015-10-16

Blue Edition - Bach: 18 Chorale Preludes & "Trio Sonata", BWV 528
type: MusicAlbum
date published: 2015-10-16

Blue Edition - Bach: "Dorian", BWV 538 & Toccata and Fugue, BWV 565
type: MusicAlbum
date published: 2015-10-16

Green Edition - Bach: Organ Sonata No. 4 "Trio Sonata" & Fantasia, BWV 572
type: MusicAlbum
date published: 2015-10-01

Green Edition - Bach: Fantasia, BWV 572 & Toccata, BWV 916
type: MusicAlbum
date published: 2015-10-01

Green Edition - Bach: Brandenburg Concertos Nos. 5 & 6
type: MusicAlbum
date published: 2015-10-01

Classical Selection - Bach: Organ Works
type: MusicAlbum
date published: 2015-09-04

Bach - Famous Organ Works
type: MusicAlbum
date published: 2015-07-13

The Classical Collection - J. S. Bach - Obras maestras
type: MusicAlbum
date published: 2015-06-11

Red Edition - Bach: Orchestral Suites Nos. 2 & 3
type: MusicAlbum
date published: 2015

Red Edition - Bach: "Trio Sonata", BWV 528 & Orchestral Suite No. 1, BWV 1066
type: MusicAlbum
date published: 2015

Red Edition - Bach: "Trio Sonata" & Orchestral Suites Nos. 2 & 3
type: MusicAlbum
date published: 2015

Red Edition - Bach: "Dorian" BWV 538 & Orchestral Suite No. 1, BWV 1066
type: MusicAlbum
date published: 2015

Bach: Organ Music Selections
type: MusicAlbum
date published: 2010-12-28