Kristin von der Goltz
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genre: chamber music
description: Kristin (Gräfin) von der Goltz (born 2 May 1966, in Würzburg, West Germany) is a German-Norwegian cellist. She plays music from the baroque repertoire, but she also performs music from later periods.
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  track: Octet in F-Major, D.803: IV. Andante - Var. I-VII
  track: Octet in F-Major, D.803: V. Menuetto. Allegretto - Trio
  track: Octet in F-Major, D.803: VI. Andante molto - Allegro - Andante molto - Allegro molto
  track: 5 Minuets, D.89: No. 3 (transcribed for octet)
  track: 5 Minuets, D.89: No. 5 (transcribed for octet)
album: Koechlin: Chamber Music for Oboe & Other Instruments
album: Retrospective
album: Bach - Violin and Voice
album: Vivaldi: Concerti per archi (Concertos for Solo Violins & Strings)
album: This is harmonia mundi 2018
album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
album: Die Bach-Söhne
album: Bach, J.S.: Musical Offering, Bwv 1079
album: Francis Caporale & Johann Galliard: Sonatas
album: Fanny & Felix (Piano Trios)
album: 6 sonates pour le basson ou violoncelle avec la basse continue (1759)
album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
album: 6 Sonatas for Cello and Basso Continuo Op. 4
album: "Barock" - Berliner Barock Solisten

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Octet in F-Major, D.803: III. Allegro vivace - Trio
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by artist: Lorenzo Coppola
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  date published: 2026-07-30T06:39:12Z
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Octet in F-Major, D.803: V. Menuetto. Allegretto - Trio
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Octet in F-Major, D.803: VI. Andante molto - Allegro - Andante molto - Allegro molto
type: MusicRecording
duration: PT9M5S
duration ms: 545120
explicit: false
by artist: Franz Schubert
by artist: Isabelle Faust
by artist: Anne-Katharina Schreiber
by artist: Danusha Waskiewicz
by artist: Kristin von der Goltz
by artist: James Munro
by artist: Lorenzo Coppola
by artist: Teunis van der Zwart
by artist: Javier Zafra
in album: Schubert: Oktett
  type: MusicAlbum
  date published: 2018-05-18
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FR7JM1747060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T17:49:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0168cd48145185fa9c628c1ca477ebdf5fff44e8505f3a613793e7ff15963f1c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960291
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1747060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33Z
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 0x0168cd48145185fa9c628c1ca477ebdf5fff44e8505f3a613793e7ff15963f1c. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1747060 — a six-check JSON result.
  date published: 2026-07-30T18:23:33Z
audio: Octet in F-Major, D.803: VI. Andante molto - Allegro - Andante molto - Allegro molto
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  additional property: Valence (Positivity)
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5 Minuets, D.89: No. 3 (transcribed for octet)
type: MusicRecording
duration: PT5M21S
duration ms: 321760
explicit: false
by artist: Franz Schubert
by artist: Isabelle Faust
by artist: Anne-Katharina Schreiber
by artist: Danusha Waskiewicz
by artist: Kristin von der Goltz
by artist: James Munro
by artist: Lorenzo Coppola
by artist: Teunis van der Zwart
by artist: Javier Zafra
in album: Schubert: Oktett
  type: MusicAlbum
  date published: 2018-05-18
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FR7JM1747070
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1747070
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xb152bd79dee6e98d9185e153e4c8ef53904ae1a38d3390c3011d18d4dc016e6e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1747070 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: 5 Minuets, D.89: No. 3 (transcribed for octet)
  type: AudioObject
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  additional property: Valence (Positivity)
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5 Minuets, D.89: No. 5 (transcribed for octet)
type: MusicRecording
duration: PT3M50S
duration ms: 230106
explicit: false
by artist: Franz Schubert
by artist: Isabelle Faust
by artist: Anne-Katharina Schreiber
by artist: Danusha Waskiewicz
by artist: Kristin von der Goltz
by artist: James Munro
by artist: Lorenzo Coppola
by artist: Teunis van der Zwart
by artist: Javier Zafra
in album: Schubert: Oktett
  type: MusicAlbum
  date published: 2018-05-18
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: FR7JM1747080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:40:18+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1747080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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 0x9ccf509839f3ac9cb2ae5120e0367efa4ed1c35f38cfd9b683b9b1a29046b26a. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1747080 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: 5 Minuets, D.89: No. 5 (transcribed for octet)
  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: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Koechlin: Chamber Music for Oboe & Other Instruments
type: MusicAlbum
date published: 2015-11-06
track: Oboe Sonata, Op. 58: I. Allegro moderato: Pastorale - La terre - Les travaux des champs - Le soir Tres modere mais sans lenteur
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  duration: PT7M12S
  duration ms: 432493
  explicit: false
  by artist: Charles Koechlin
  by artist: Stefan Schilli
  by artist: Oliver Triendl
  in album: Koechlin: Chamber Music for Oboe & Other Instruments
    type: MusicAlbum
    date published: 2015-11-06
  genre: early-modern-classical
  genre: french-romanticism
  genre: impressionism
  genre: post-romantic-era
  isrc code: DEU921503401
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-08-01T01:04:19+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x6ef65177d2d60703250034e73f827deccb8122b70627a51781b8c042bc704399
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960494
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960494
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921503401
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-08-01T01:44:32Z
  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 0x6ef65177d2d60703250034e73f827deccb8122b70627a51781b8c042bc704399. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921503401 — a six-check JSON result.
    date published: 2026-08-01T01:44:32Z
  audio: Oboe Sonata, Op. 58: I. Allegro moderato: Pastorale - La terre - Les travaux des champs - Le soir Tres modere mais sans lenteur
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Oboe Sonata, Op. 58: II. Scherzo: Danses de Faunes, Allegro vivo
  type: MusicRecording
  duration: PT6M29S
  duration ms: 389786
  explicit: false
  by artist: Charles Koechlin
  by artist: Stefan Schilli
  by artist: Oliver Triendl
  in album: Koechlin: Chamber Music for Oboe & Other Instruments
    type: MusicAlbum
    date published: 2015-11-06
  genre: early-modern-classical
  genre: french-romanticism
  genre: impressionism
  genre: post-romantic-era
  isrc code: DEU921503402
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921503402
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2db9ea1ed475efc137adb4f3f3abf48b974795672bae4d35d302ceecbff884d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921503402 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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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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    additional property: Mode Name
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track: Oboe Sonata, Op. 58: III. Andante: Le soir dans la Campagne, Tres calme, presque adagio
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279173
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  by artist: Charles Koechlin
  by artist: Stefan Schilli
  by artist: Oliver Triendl
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    type: MusicAlbum
    date published: 2015-11-06
  genre: early-modern-classical
  genre: french-romanticism
  genre: impressionism
  genre: post-romantic-era
  isrc code: DEU921503403
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Oboe Sonata, Op. 58: III. Andante: Le soir dans la Campagne, Tres calme, presque adagio

CopyrightStatus
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value: registered

CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x1c06125697f2d9fece73da3a2c6340a74e0e30275cd0f81d54bb6e8392baa7ad

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921503403

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c06125697f2d9fece73da3a2c6340a74e0e30275cd0f81d54bb6e8392baa7ad. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921503403 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Oboe Sonata, Op. 58: III. Andante: Le soir dans la Campagne, Tres calme, presque adagio
type: AudioObject
additional property: Tempo (BPM)
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  value: 91.811
additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Retrospective
type: MusicAlbum
date published: 2018-01-19
track: Sonata for Piano and Violin in G Major, K. 379: Ia. Adagio - Live
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  duration: PT5M22S
  duration ms: 322280
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  by artist: Wolfgang Amadeus Mozart
  by artist: Hilary Hahn
  by artist: Cory Smythe
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    type: MusicAlbum
    date published: 2018-01-19
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: DEN961601114
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:39:05Z
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T12:58:18Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Sonata for Piano and Violin in G Major, K. 379: II. Tema (Andantino cantabile) – Var. 1-5 – Tema (Allegretto) - Live
track: Blue Curve of the Earth - Live
track: Mercy - Live
track: Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
track: The Lark Ascending
track: Sonata for Piano and Violin in A Major, K. 526: III. Presto
track: Violin Concerto No. 1 in D Major, Op. 6: III. Rondo (Allegro spirituoso)
track: Violin Concerto, Op. 36: I. Poco Allegro
track: St. Matthew Passion, BWV 244 / Part Two: No. 51 "Gebt mir meinen Jesum wieder"
track: Violin Concerto: 1726
track: Godot
track: When a Tiger Meets a Rosa Rugosa
track: Two Voices
track: Violin Concerto No. 4 in D Minor, Op. 31: II. Adagio religioso

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OTSVerificationAPI
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-08T03:20:19Z

Sonata for Piano and Violin in G Major, K. 379: II. Tema (Andantino cantabile) – Var. 1-5 – Tema (Allegretto) - Live
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Blue Curve of the Earth - Live
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by artist: Tina Davidson
by artist: Hilary Hahn
by artist: Cory Smythe
in album: Retrospective
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-29T19:35:34Z
audio: Blue Curve of the Earth - Live
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Mercy - Live
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duration: PT5M26S
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by artist: Hilary Hahn
by artist: Cory Smythe
in album: Retrospective
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  date published: 2018-01-19
genre: ambient
genre: classical
genre: minimalism
genre: neoclassical
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-02T05:09:12Z
audio: Mercy - Live
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Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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duration: PT6M54S
duration ms: 414226
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by artist: Hilary Hahn
by artist: Margaret Batjer
by artist: Los Angeles Chamber Orchestra
by artist: Jeffrey Kahane
in album: Retrospective
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  date published: 2018-01-19
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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The Lark Ascending
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by artist: Hilary Hahn
by artist: London Symphony Orchestra
by artist: Sir Colin Davis
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Sonata for Piano and Violin in A Major, K. 526: III. Presto
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duration: PT7M9S
duration ms: 429493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Hilary Hahn
by artist: Natalie Zhu
in album: Retrospective
  type: MusicAlbum
  date published: 2018-01-19
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEN960401293
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sonata for Piano and Violin in A Major, K. 526: III. Presto
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Violin Concerto No. 1 in D Major, Op. 6: III. Rondo (Allegro spirituoso)
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duration: PT10M31S
duration ms: 631831
explicit: false
by artist: Niccolò Paganini
by artist: Hilary Hahn
by artist: Swedish Radio Symphony Orchestra
by artist: Eije Oue
in album: Retrospective
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  date published: 2018-01-19
isrc code: DEN960500723
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-06T06:56:49Z
audio: Violin Concerto No. 1 in D Major, Op. 6: III. Rondo (Allegro spirituoso)
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Violin Concerto, Op. 36: I. Poco Allegro
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duration: PT11M42S
duration ms: 702520
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by artist: Arnold Schoenberg
by artist: Hilary Hahn
by artist: Swedish Radio Symphony Orchestra
by artist: Esa-Pekka Salonen
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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St. Matthew Passion, BWV 244 / Part Two: No. 51 "Gebt mir meinen Jesum wieder"
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by artist: Johann Sebastian Bach
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by artist: Munich Chamber Orchestra
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by artist: Naoki Kitaya
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Violin Concerto: 1726
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duration: PT14M32S
duration ms: 872120
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by artist: Royal Liverpool Philharmonic Orchestra
by artist: Vasily Petrenko
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Violin Concerto: 1726
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Godot
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by artist: Hauschka
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:41:38Z
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When a Tiger Meets a Rosa Rugosa
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by artist: Hilary Hahn
by artist: Cory Smythe
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: When a Tiger Meets a Rosa Rugosa
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Two Voices
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by artist: Hilary Hahn
by artist: Cory Smythe
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Violin Concerto No. 4 in D Minor, Op. 31: II. Adagio religioso
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Bach - Violin and Voice
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track: St. Matthew Passion, BWV 244 / Part Two: No. 51 "Gebt mir meinen Jesum wieder"
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Wachet auf, ruft uns die Stimme Cantata, BWV 140: Arie (Duett): "Wann kommst du, mein Heil?"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T01:32:48Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Cantata, BWV 204 "Ich bin vergnügt": Aria "Die Schätzbarkeit der weiten Erde"
track: Liebster Jesu, mein Verlangen Cantata, BWV 32: III. Aria: Hier, in meines Vaters Stätte
track: Zerreißet, zersprenget, zertrümmert die Gruft Dramma per musica, BWV 205: IX. Aria Soprano: "Angenehmer Zephyrus"
track: Mass in B minor, BWV 232 / Gloria: Laudamus te
track: Ich lasse dich nicht, du segnest mich denn (Cantata BWV 157): Ja, ja ich halte meinen Jesum fest
track: Cantata "Wer mich liebet, der wird mein Wort halten" BWV 59: IV. Aria: "Die Welt mit allen Königreichen"
track: Cantata, BWV 58 "Ach Gott, wie manches Herzeleid": Aria "Ich bin vergnügt in meinem Leiden" (Soprano)
track: Cantata, BWV117: VI. Wenn Trost und Hülf' ermangeln muß
track: Der Friede sei mit dir: Cantata, BWV 158: II. Aria & Choral: Welt, ade, ich bin dein müde
track: St. Matthew Passion, BWV 244 / Part Two (Arr. Mendelssohn 1841): XXXIX. Aria (Alto): "Erbarme dich"
track: Cantata, BWV 197 "Gott ist unsere Zuversicht": Aria "Vergnügen und Lust" (Soprano)

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Hilary Hahn
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Munich Chamber Orchestra
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Alexander Liebreich
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Rosario Conte
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Kristin von der Goltz
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Naoki Kitaya
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Bach - Violin and Voice
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OpenTimestamps Proof of Existence
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date published: 2026-07-31T00:26:26Z

Cantata, BWV 204 "Ich bin vergnügt": Aria "Die Schätzbarkeit der weiten Erde"
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Liebster Jesu, mein Verlangen Cantata, BWV 32: III. Aria: Hier, in meines Vaters Stätte
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  value: https://explorer.copyrightchains.com/tx/0xcc2b16f4856500f97d3e719d03ac8c8d8ba93e8bdb85b702f2f8aaef830c2ad2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960900900
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc2b16f4856500f97d3e719d03ac8c8d8ba93e8bdb85b702f2f8aaef830c2ad2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960900900 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Liebster Jesu, mein Verlangen Cantata, BWV 32: III. Aria: Hier, in meines Vaters Stätte
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 127.14
  additional property: Musical Key
    type: PropertyValue
    value: 7
  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: 0.28
  additional property: Energy
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    value: 0.127
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.3
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.342
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Zerreißet, zersprenget, zertrümmert die Gruft Dramma per musica, BWV 205: IX. Aria Soprano: "Angenehmer Zephyrus"
type: MusicRecording
duration: PT3M29S
duration ms: 209453
explicit: false
by artist: Johann Sebastian Bach
by artist: Christine Schäfer
by artist: Hilary Hahn
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960802780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T23:11:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x827abb1a71912b270a41576d8cd03379d10a623639a8fd999b73bb0b7cadb8cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802780
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
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 0x827abb1a71912b270a41576d8cd03379d10a623639a8fd999b73bb0b7cadb8cc. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802780 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Zerreißet, zersprenget, zertrümmert die Gruft Dramma per musica, BWV 205: IX. Aria Soprano: "Angenehmer Zephyrus"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.95
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.294
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.616
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.672
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass in B minor, BWV 232 / Gloria: Laudamus te
type: MusicRecording
duration: PT3M49S
duration ms: 229906
explicit: false
by artist: Johann Sebastian Bach
by artist: Christine Schäfer
by artist: Hilary Hahn
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960802790
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:11:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd6eb71f6b189f2a3da808cda2514fb6dd93a69b7943dc2ecaa2110c60aa7e80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802790
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd6eb71f6b189f2a3da808cda2514fb6dd93a69b7943dc2ecaa2110c60aa7e80. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802790 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Mass in B minor, BWV 232 / Gloria: Laudamus te
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.466
  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: 0.32
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.19
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.484
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.674
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ich lasse dich nicht, du segnest mich denn (Cantata BWV 157): Ja, ja ich halte meinen Jesum fest
type: MusicRecording
duration: PT6M18S
duration ms: 378333
explicit: false
by artist: Johann Sebastian Bach
by artist: Matthias Goerne
by artist: Hilary Hahn
by artist: Henrik Wiese
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960900910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:31:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67644df759e3bb88c70909996b9167a5d8e5233795faa0484662b57648710a71
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960900910
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67644df759e3bb88c70909996b9167a5d8e5233795faa0484662b57648710a71. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960900910 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ich lasse dich nicht, du segnest mich denn (Cantata BWV 157): Ja, ja ich halte meinen Jesum fest
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.569
  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: 0.306
  additional property: Energy
    type: PropertyValue
    value: 0.198
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.21
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.389
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.488
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cantata "Wer mich liebet, der wird mein Wort halten" BWV 59: IV. Aria: "Die Welt mit allen Königreichen"
type: MusicRecording
duration: PT3M5S
duration ms: 185960
explicit: false
by artist: Johann Sebastian Bach
by artist: Matthias Goerne
by artist: Hilary Hahn
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960802800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:38:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c391863d9022b2bb4859f689f3e8b9f56fb1f6280e60b85ce15c60497eecd11
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802800
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c391863d9022b2bb4859f689f3e8b9f56fb1f6280e60b85ce15c60497eecd11. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802800 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cantata "Wer mich liebet, der wird mein Wort halten" BWV 59: IV. Aria: "Die Welt mit allen Königreichen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.392
  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: 0.244
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.205
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.326
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.368
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cantata, BWV 58 "Ach Gott, wie manches Herzeleid": Aria "Ich bin vergnügt in meinem Leiden" (Soprano)
type: MusicRecording
duration: PT3M44S
duration ms: 224240
explicit: false
by artist: Johann Sebastian Bach
by artist: Christine Schäfer
by artist: Hilary Hahn
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960802810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:02:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce660de95db6b88d705a91fc88e7a90af82fa507ac9c12f8d7428a2fb104c2d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802810
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
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 0xce660de95db6b88d705a91fc88e7a90af82fa507ac9c12f8d7428a2fb104c2d0. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802810 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Cantata, BWV 58 "Ach Gott, wie manches Herzeleid": Aria "Ich bin vergnügt in meinem Leiden" (Soprano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.714
  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: 0.381
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.521
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.261
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Cantata, BWV117: VI. Wenn Trost und Hülf' ermangeln muß
type: MusicRecording
duration: PT4M2S
duration ms: 242826
explicit: false
by artist: Johann Sebastian Bach
by artist: Matthias Goerne
by artist: Hilary Hahn
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960802820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:57:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x330245e4bddde593d8693db78659483298746dee788c2996e250ccc7f1831aab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802820
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x330245e4bddde593d8693db78659483298746dee788c2996e250ccc7f1831aab. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802820 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Cantata, BWV117: VI. Wenn Trost und Hülf' ermangeln muß
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Der Friede sei mit dir: Cantata, BWV 158: II. Aria & Choral: Welt, ade, ich bin dein müde
type: MusicRecording
duration: PT5M49S
duration ms: 349520
explicit: false
by artist: Johann Sebastian Bach
by artist: Christine Schäfer
by artist: Matthias Goerne
by artist: Hilary Hahn
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960802830
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-31T08:26:41Z
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St. Matthew Passion, BWV 244 / Part Two (Arr. Mendelssohn 1841): XXXIX. Aria (Alto): "Erbarme dich"
type: MusicRecording
duration: PT6M31S
duration ms: 391520
explicit: false
by artist: Johann Sebastian Bach
by artist: Christine Schäfer
by artist: Hilary Hahn
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960802840
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-30T06:57:05Z
audio: St. Matthew Passion, BWV 244 / Part Two (Arr. Mendelssohn 1841): XXXIX. Aria (Alto): "Erbarme dich"
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Cantata, BWV 197 "Gott ist unsere Zuversicht": Aria "Vergnügen und Lust" (Soprano)
type: MusicRecording
duration: PT3M7S
duration ms: 187040
explicit: false
by artist: Johann Sebastian Bach
by artist: Christine Schäfer
by artist: Hilary Hahn
by artist: Munich Chamber Orchestra
by artist: Alexander Liebreich
by artist: Marie-Luise Modersohn
by artist: Eva Maria Buttkewitz
by artist: Rosario Conte
by artist: Kristin von der Goltz
by artist: Naoki Kitaya
in album: Bach - Violin and Voice
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960802850
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x83a5545bebe24555b0c2ecf6269c59a2135ed2e1d7a4a2c182c01309170d3c04. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802850 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Cantata, BWV 197 "Gott ist unsere Zuversicht": Aria "Vergnügen und Lust" (Soprano)
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Vivaldi: Concerti per archi (Concertos for Solo Violins & Strings)
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date published: 2008-01-18
track: Concerto grosso in D Minor, Op. 3/11, RV 565: I. Allegro - Adagio e spiccato - Allegro
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    type: MusicAlbum
    date published: 2008-01-18
  popularity: 4
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: DEAQ70700048
  additional property: CopyrightID
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe908c1b71de08e858e7cbbeeba2a0498bfab025a29184da4dc44c1aa3bc1e94a. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAQ70700048 — a six-check JSON result.
    date published: 2026-07-30T05:15:54Z
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track: Concerto grosso in D Minor, Op. 3/11, RV 565: II. Largo e spiccato
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  genre: classical
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-29T14:28:24Z
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track: Concerto grosso in D Minor, Op. 3/11, RV 565: III. Allegro
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  subject of: OpenTimestamps Proof of Existence
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track: Concerto for 2 Cellos in G Minor, RV 531: I. Allegro
track: Concerto for 2 Cellos in G Minor, RV 531: II. Largo
track: Concerto for 2 Cellos in G Minor, RV 531: III. Allegro
track: Concerto for 4 Violins in B-Flat Major, RV 553: I. Allegro
track: Concerto for 4 Violins in B-Flat Major, RV 553: II. Largo
track: Concerto for 4 Violins in B-Flat Major, RV 553: III. Allegro
track: Concerto for 2 Violins in A Minor, RV 522: I. Allegro
track: Concerto for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
track: Concerto for 2 Violins in A Minor, RV 522: III. Allegro
track: Cello Concerto in G Major, RV 413: I. Allegro
track: Cello Concerto in G Major, RV 413: II. Largo
track: Cello Concerto in G Major, RV 413: III. Allegro
track: Concerto in B Minor, Op. 3 No. 10, RV 580: I. Allegro
track: Concerto in B Minor, Op. 3 No. 10, RV 580: II. Largo, Larghetto, Adagio, Largo
track: Concerto in B Minor, Op. 3 No. 10, RV 580: III. Allegro
track: Concerto for Strings in G Minor, RV 156: I. Allegro
track: Concerto for Strings in G Minor, RV 156: II. Adagio
track: Concerto for Strings in G Minor, RV 156: III. Allegro

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

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type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6904beb0916ebf2fcdfe87d9c534659d79721369a12631451aea24539fc2a02d. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAQ70700050 — a six-check JSON result.
date published: 2026-07-30T15:42:38Z

Concerto grosso in D Minor, Op. 3/11, RV 565: III. Allegro
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Concerto for 2 Cellos in G Minor, RV 531: I. Allegro
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duration: PT3M33S
duration ms: 213533
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by artist: Antonio Vivaldi
by artist: Rainer Kussmaul
by artist: Berliner Barock Solisten
by artist: Georg Faust
by artist: Kristin von der Goltz
in album: Vivaldi: Concerti per archi (Concertos for Solo Violins & Strings)
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popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-08T03:20:19Z
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Concerto for 2 Cellos in G Minor, RV 531: II. Largo
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duration: PT4M45S
duration ms: 285866
explicit: false
by artist: Antonio Vivaldi
by artist: Georg Faust
by artist: Rainer Kussmaul
by artist: Berliner Barock Solisten
by artist: Kristin von der Goltz
in album: Vivaldi: Concerti per archi (Concertos for Solo Violins & Strings)
  type: MusicAlbum
  date published: 2008-01-18
popularity: 4
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-30T01:32:48Z
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Concerto for 2 Cellos in G Minor, RV 531: III. Allegro
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duration: PT3M10S
duration ms: 190106
explicit: false
by artist: Antonio Vivaldi
by artist: Berliner Barock Solisten
by artist: Kristin von der Goltz
by artist: Georg Faust
by artist: Rainer Kussmaul
in album: Vivaldi: Concerti per archi (Concertos for Solo Violins & Strings)
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  date published: 2008-01-18
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for 2 Cellos in G Minor, RV 531: III. Allegro
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Concerto for 4 Violins in B-Flat Major, RV 553: I. Allegro
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duration: PT3M40S
duration ms: 220613
explicit: false
by artist: Antonio Vivaldi
by artist: Christoph Streuli
by artist: Sebastian Heesch
by artist: Bernhard Forck
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
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  date published: 2008-01-18
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Concerto for 4 Violins in B-Flat Major, RV 553: II. Largo
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duration: PT2M5S
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by artist: Bernhard Forck
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by artist: Rainer Kussmaul
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popularity: 3
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Concerto for 4 Violins in B-Flat Major, RV 553: III. Allegro
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popularity: 3
genre: classical
genre: early-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:46:00Z
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Concerto for 2 Violins in A Minor, RV 522: I. Allegro
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Concerto for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
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Concerto for 2 Violins in A Minor, RV 522: III. Allegro
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  date published: 2026-07-29T19:35:34Z
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Cello Concerto in G Major, RV 413: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
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Cello Concerto in G Major, RV 413: II. Largo
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Cello Concerto in G Major, RV 413: III. Allegro
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Concerto in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Concerto in B Minor, Op. 3 No. 10, RV 580: II. Largo, Larghetto, Adagio, Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:48:45Z
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Concerto in B Minor, Op. 3 No. 10, RV 580: III. Allegro
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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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Concerto for Strings in G Minor, RV 156: I. Allegro
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by artist: Berliner Barock Solisten
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Concerto for Strings in G Minor, RV 156: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
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Concerto for Strings in G Minor, RV 156: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:50:11Z
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This is harmonia mundi 2018
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track: Lute Sonata No. 11 in D Minor, WeissSW 11: I. Fantasia
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track: Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: II. Allegro moderato
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Cello Sonata in D Minor, Op. 5 No. 2, H. 104: II. Presto
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Cello Sonata in D Minor, Op. 5 No. 2, H. 104: III. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:50:37Z
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Cello Sonata in D Minor, Op. 5 No. 2, H. 104: IV. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:50:37Z
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Lute Sonata No. 37 in C Major, WeissSW 37: I. Prelude
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Cello Sonata in C Major, Op. 5 No. 3, H. 105: I. Andante
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subject of: OpenTimestamps Proof of Existence
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a8030fba8847256f65de21bcc8975eb78d506ac548a7f0d2b91e50e244d6b3f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240212 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in C Major, Op. 5 No. 3, H. 105: II. Allegro
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Cello Sonata in C Major, Op. 5 No. 3, H. 105: III. Affettuoso
type: MusicRecording
duration: PT3M34S
duration ms: 214586
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 2
isrc code: DEB202240213
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b10e1e989c33da028ae85890a10a781ab5f6d8aac3e62af061d364053db9936. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240213 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Cello Sonata in C Major, Op. 5 No. 3, H. 105: III. Affettuoso
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Cello Sonata in C Major, Op. 5 No. 3, H. 105: IV. Allegro
type: MusicRecording
duration: PT3M26S
duration ms: 206361
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 2
isrc code: DEB202240214
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xe20e391c952fcc20c3e6e86284a1607d349e618dcf0566d82fba5f43b4f39493. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240214 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in C Major, Op. 5 No. 3, H. 105: IV. Allegro
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  additional property: Danceability
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Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: II. Allegro moderato
type: MusicRecording
duration: PT4M18S
duration ms: 258518
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 2
isrc code: DEB202240216
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240216
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x9a11e9e077e56c58ad46b2e916c9cbf95cb756f65a43130b3e1bf6c94928101e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240216 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: II. Allegro moderato
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Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: III. Grave
type: MusicRecording
duration: PT1M8S
duration ms: 68533
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
  type: MusicAlbum
  date published: 2023-11-07
popularity: 3
isrc code: DEB202240217
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x70c93e4eae7b2b5b56cbbc278d72375067e39ed4fbd662b84ac721121a980354. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240217 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: III. Grave
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  additional property: Valence (Positivity)
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Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: IV. Allegro
type: MusicRecording
duration: PT1M3S
duration ms: 63005
explicit: false
by artist: Francesco Geminiani
by artist: Kristin von der Goltz
by artist: Andreas Küppers
by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
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  date published: 2023-11-07
popularity: 2
isrc code: DEB202240218
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x0fd662122e6bb77599d210d7e1b89f10c16e2a4f474b2b0fa673d8a1d9fdf0a8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240218 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Cello Sonata in B-Flat Major, Op. 5 No. 4, H. 106: IV. Allegro
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Cello Sonata in F Major, Op. 5 No. 5, H. 107: I. Adagio
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duration: PT0M39S
duration ms: 39560
explicit: false
by artist: Francesco Geminiani
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by artist: Hille Perl
by artist: Christoph Dangel
by artist: Thomas C. Boysen
in album: Geminiani: Cello Sonatas, Op. 5 Nos. 1-6
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  date published: 2023-11-07
popularity: 2
isrc code: DEB202240220
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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 0x2ae1fd7ccb3ad6220a37eb7db9660a3fd00fb5899a0d3ba8401577b1288fa6e5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB202240220 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in F Major, Op. 5 No. 5, H. 107: I. Adagio
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Die Bach-Söhne
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902809
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x41482fd34fb1d7ffaef1b17cfa1ce5ba1dca608a47f5b58600993aba4040ff35. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902809 — a six-check JSON result.
    date published: 2026-07-08T08:56:20Z
  audio: Musical Offering, BWV 1079: Ricercar a 3
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 153.931
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.283
    additional property: Energy
      type: PropertyValue
      value: 0.232
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.978
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.924
    additional property: Liveness
      type: PropertyValue
      value: 0.083
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.67
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.041
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Kanon zu acht Stimmen, BWV 1072
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109666
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Gottfried Von Der Goltz
  by artist: Petra Mullejans
  by artist: Daniela Helms
  by artist: Christian Goosses
  in album: Bach, J.S.: Musical Offering, Bwv 1079
    type: MusicAlbum
    date published: 2000-01-01
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEA559902825
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T00:36:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8537441e7135f6844e9ec2fa1c50a7c96e7ebaea73082d530c8f816c621f004f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902825
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8537441e7135f6844e9ec2fa1c50a7c96e7ebaea73082d530c8f816c621f004f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902825 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Kanon zu acht Stimmen, BWV 1072
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.391
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.271
    additional property: Energy
      type: PropertyValue
      value: 0.045
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.727
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.037
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.602
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Kanon zu vier Stimmen, BWV 1073
  type: MusicRecording
  duration: PT0M52S
  duration ms: 52493
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Gottfried Von Der Goltz
  by artist: Christian Goosses
  by artist: Daniela Helms
  by artist: Kristin von der Goltz
  in album: Bach, J.S.: Musical Offering, Bwv 1079
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEA559902826
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Kanon zu vier Stimmen, BWV 1073
track: Kanon zu vier Stimmen, BWV 1074
track: Kanon zu vier Stimmen und Bass, BWV 1077
track: Kanon zu seiben Stimmen und Basso ostinato, BWV 1078
track: Fourteen 'Goldberg' Canons BWV 1087: Canon triplex a 6
track: Fourteen 'Goldberg' Canons BWV 1087: Canon a 4 per Augmentationem et Diminutionem

Daniela Helms
type: MusicGroup

Kristin von der Goltz
type: MusicGroup

Bach, J.S.: Musical Offering, Bwv 1079
type: MusicAlbum
date published: 2000-01-01

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T03:47:03+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x074cc0c3bcb06c59de1574cbf99492f7cb01fde5458016e09e28e99fc9325536

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902826

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x074cc0c3bcb06c59de1574cbf99492f7cb01fde5458016e09e28e99fc9325536. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902826 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Kanon zu vier Stimmen, BWV 1073
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 137.605
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.366
additional property: Energy
  type: PropertyValue
  value: 0.117
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.722
additional property: Instrumentalness
  type: PropertyValue
  value: 0.089
additional property: Liveness
  type: PropertyValue
  value: 0.171
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.663
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.853
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

Kanon zu vier Stimmen, BWV 1074
type: MusicRecording
duration: PT1M12S
duration ms: 72866
explicit: false
by artist: Johann Sebastian Bach
by artist: Gottfried Von Der Goltz
by artist: Petra Mullejans
by artist: Christian Goosses
by artist: Kristin von der Goltz
in album: Bach, J.S.: Musical Offering, Bwv 1079
  type: MusicAlbum
  date published: 2000-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA559902827
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:53:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36f242e01e405add86b19fca741fbb9150dd38f44529c010d6b792eecc0888dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902827
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f242e01e405add86b19fca741fbb9150dd38f44529c010d6b792eecc0888dd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902827 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Kanon zu vier Stimmen, BWV 1074
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.354
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.148
  additional property: Energy
    type: PropertyValue
    value: 0.011
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.866
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.897
  additional property: Liveness
    type: PropertyValue
    value: 0.32
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.099
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.65
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kanon zu vier Stimmen und Bass, BWV 1077
type: MusicRecording
duration: PT0M39S
duration ms: 39426
explicit: false
by artist: Johann Sebastian Bach
by artist: Gottfried Von Der Goltz
by artist: Petra Mullejans
by artist: Daniela Helms
by artist: Christian Goosses
by artist: Kristin von der Goltz
in album: Bach, J.S.: Musical Offering, Bwv 1079
  type: MusicAlbum
  date published: 2000-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA559902830
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:33:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4784dfc4e8b545f0b1c539fed2c85bd82b4548cbdd18a074de612d84ad566c60
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902830
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4784dfc4e8b545f0b1c539fed2c85bd82b4548cbdd18a074de612d84ad566c60. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902830 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Kanon zu vier Stimmen und Bass, BWV 1077
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.378
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.188
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.605
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.34
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.051
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.508
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kanon zu seiben Stimmen und Basso ostinato, BWV 1078
type: MusicRecording
duration: PT1M37S
duration ms: 97866
explicit: false
by artist: Johann Sebastian Bach
by artist: Gottfried Von Der Goltz
by artist: Petra Mullejans
by artist: Daniela Helms
in album: Bach, J.S.: Musical Offering, Bwv 1079
  type: MusicAlbum
  date published: 2000-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA559902831
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T10:21:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0af1d5fcc6c06ac7ef691f1a55a5c6209980d83b5ae6e5633da5aceaca565b9b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902831
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33Z
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 0x0af1d5fcc6c06ac7ef691f1a55a5c6209980d83b5ae6e5633da5aceaca565b9b. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902831 — a six-check JSON result.
  date published: 2026-07-30T10:42:33Z
audio: Kanon zu seiben Stimmen und Basso ostinato, BWV 1078
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.826
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.339
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.308
  additional property: Liveness
    type: PropertyValue
    value: 0.273
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.3
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.682
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Fourteen 'Goldberg' Canons BWV 1087: Canon triplex a 6
type: MusicRecording
duration: PT0M33S
duration ms: 33333
explicit: false
by artist: Johann Sebastian Bach
by artist: Gottfried Von Der Goltz
by artist: Petra Mullejans
by artist: Daniela Helms
by artist: Christian Goosses
by artist: Kristin von der Goltz
by artist: Michael Behringer
in album: Bach, J.S.: Musical Offering, Bwv 1079
  type: MusicAlbum
  date published: 2000-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA559902964
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:29:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7caa361a23070bef0ed39b2f5757cec93bde02ae10ae3d5ad156f7f2499db18
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA559902964
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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  date published: 2026-07-08T03:20:19Z
audio: Fourteen 'Goldberg' Canons BWV 1087: Canon triplex a 6
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Fourteen 'Goldberg' Canons BWV 1087: Canon a 4 per Augmentationem et Diminutionem
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duration ms: 46200
explicit: false
by artist: Johann Sebastian Bach
by artist: Gottfried Von Der Goltz
by artist: Petra Mullejans
by artist: Daniela Helms
by artist: Christian Goosses
by artist: Kristin von der Goltz
by artist: Michael Behringer
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  date published: 2000-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-08-01T03:41:24Z
audio: Fourteen 'Goldberg' Canons BWV 1087: Canon a 4 per Augmentationem et Diminutionem
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Francis Caporale & Johann Galliard: Sonatas
type: MusicAlbum
date published: 2013

Fanny & Felix (Piano Trios)
type: MusicAlbum
date published: 2009-09-18
track: Trio in D Minor, Op. 11: IV. Finale. Allegromoderato
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  by artist: Trio Vivente
  by artist: Kristin von der Goltz
  by artist: Jutta Ernst
  by artist: Anne Katharina Schreiber
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    date published: 2009-09-18
  genre: early-romantic-era
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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    date published: 2026-07-31T17:29:52Z
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6 sonates pour le basson ou violoncelle avec la basse continue (1759)
type: MusicAlbum
date published: 2007-09-14

dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
type: MusicAlbum
date published: 2006-09-22
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  by artist: Kristin von der Goltz
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e74bf11d5e4a12643d2fe6298ef5061813cca6a5f1706c91d4d30b9610175fe. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503001 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
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track: Caprice No. 2 in G Minor
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11bf9c3204862236cd34e2ad160864a221e0a03b5b42632cdccbe05d28c40248. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503002 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Caprice No. 3 in E-Flat Major
track: Caprice No. 4 in D Minor
track: Caprice No. 5 in B-Flat Major
track: Caprice No. 6 in E Minor
track: Caprice No. 7 in B-Flat Major
track: Caprice No. 8 in G Major
track: Caprice No. 9 in C Major
track: Caprice No. 10 in A Major
track: Caprice No. 11 in F Major

OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85a5e6a40cb7994454ae4daafb94d834de1e412b95b79b2123f206a0e4dc94a4. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503003 — a six-check JSON result.
date published: 2026-07-30T09:37:10Z

Caprice No. 3 in E-Flat Major
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Valence (Positivity)
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additional property: Key Name
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additional property: Mode Name
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Caprice No. 4 in D Minor
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duration: PT7M18S
duration ms: 438813
explicit: false
by artist: Joseph-Marie-Clement Dall'Abaco
by artist: Kristin von der Goltz
in album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87cfe92e6cdb705298af56efcbfb8a405867d182ab49e59179751d7a2203f757. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503004 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Caprice No. 4 in D Minor
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  additional property: Speechiness
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    type: PropertyValue
    value: -27.706
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Caprice No. 5 in B-Flat Major
type: MusicRecording
duration: PT2M20S
duration ms: 140466
explicit: false
by artist: Joseph-Marie-Clement Dall'Abaco
by artist: Kristin von der Goltz
in album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
  type: MusicAlbum
  date published: 2006-09-22
isrc code: DEAC60503005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T06:06:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c551df9b09fff15e5151a52d18bf36471346a2b383ac31e94393f9a8834559a
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/DEAC60503005
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 0x3c551df9b09fff15e5151a52d18bf36471346a2b383ac31e94393f9a8834559a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503005 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Caprice No. 5 in B-Flat Major
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.865
  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: 0.507
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.735
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.328
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.482
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Caprice No. 6 in E Minor
type: MusicRecording
duration: PT5M30S
duration ms: 330640
explicit: false
by artist: Joseph-Marie-Clement Dall'Abaco
by artist: Kristin von der Goltz
in album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
  type: MusicAlbum
  date published: 2006-09-22
isrc code: DEAC60503006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:52:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa939b58d5439a404b0153fb98cf5fa2e3e2f9192994cb607d821f67c9238849c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960296
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960296
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:11:09Z
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 0xa939b58d5439a404b0153fb98cf5fa2e3e2f9192994cb607d821f67c9238849c. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503006 — a six-check JSON result.
  date published: 2026-07-30T19:11:09Z
audio: Caprice No. 6 in E Minor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.89
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.904
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.839
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.944
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Caprice No. 7 in B-Flat Major
type: MusicRecording
duration: PT8M50S
duration ms: 530840
explicit: false
by artist: Joseph-Marie-Clement Dall'Abaco
by artist: Kristin von der Goltz
in album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
  type: MusicAlbum
  date published: 2006-09-22
isrc code: DEAC60503007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:39:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb274c47415febf6469777931daa2295636647da33538acfb270f9f80c39f309f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
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 0xb274c47415febf6469777931daa2295636647da33538acfb270f9f80c39f309f. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503007 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: Caprice No. 7 in B-Flat Major
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.402
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.219
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.899
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.134
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Caprice No. 8 in G Major
type: MusicRecording
duration: PT3M58S
duration ms: 238746
explicit: false
by artist: Joseph-Marie-Clement Dall'Abaco
by artist: Kristin von der Goltz
in album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
  type: MusicAlbum
  date published: 2006-09-22
isrc code: DEAC60503008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:16:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe02c2f6028d81e4f3859f3be2971a9ae870000cfc96d4dd41a7f90e09bd8dce7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503008
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe02c2f6028d81e4f3859f3be2971a9ae870000cfc96d4dd41a7f90e09bd8dce7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503008 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Caprice No. 8 in G Major
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.785
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.316
  additional property: Energy
    type: PropertyValue
    value: 0.083
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.884
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.909
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.207
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.886
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Caprice No. 9 in C Major
type: MusicRecording
duration: PT2M35S
duration ms: 155573
explicit: false
by artist: Joseph-Marie-Clement Dall'Abaco
by artist: Kristin von der Goltz
in album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
  type: MusicAlbum
  date published: 2006-09-22
isrc code: DEAC60503009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:52:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e126312776eaa0f414a1e3fa10e6c069a0123a811a33b4fc9c85095ad26e745
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960330
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960330
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:58:21Z
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 0x3e126312776eaa0f414a1e3fa10e6c069a0123a811a33b4fc9c85095ad26e745. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503009 — a six-check JSON result.
  date published: 2026-07-31T00:58:21Z
audio: Caprice No. 9 in C Major
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.218
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.41
  additional property: Energy
    type: PropertyValue
    value: 0.215
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.858
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.901
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.351
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.707
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Caprice No. 10 in A Major
type: MusicRecording
duration: PT3M55S
duration ms: 235200
explicit: false
by artist: Joseph-Marie-Clement Dall'Abaco
by artist: Kristin von der Goltz
in album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
  type: MusicAlbum
  date published: 2006-09-22
isrc code: DEAC60503010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:26:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68debba0b4556ed9bad0866a9e929983736f38729dbe85ed7827b3c975912d4b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960294
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960294
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:46:00Z
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 0x68debba0b4556ed9bad0866a9e929983736f38729dbe85ed7827b3c975912d4b. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503010 — a six-check JSON result.
  date published: 2026-07-30T18:46:00Z
audio: Caprice No. 10 in A Major
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.971
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.238
  additional property: Energy
    type: PropertyValue
    value: 0.065
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.197
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.274
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Caprice No. 11 in F Major
type: MusicRecording
duration: PT6M53S
duration ms: 413386
explicit: false
by artist: Joseph-Marie-Clement Dall'Abaco
by artist: Kristin von der Goltz
in album: dall'Abaco - 11 Capricen für Violoncello (1710 - 1805)
  type: MusicAlbum
  date published: 2006-09-22
isrc code: DEAC60503011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:56:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa053c491176a8d11441edd0e73104c987ed577ebd2791a89333b26bac3b0a738
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503011
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa053c491176a8d11441edd0e73104c987ed577ebd2791a89333b26bac3b0a738. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAC60503011 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Caprice No. 11 in F Major
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.931
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.298
  additional property: Energy
    type: PropertyValue
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track: Concerto for 4 Violins in B-Flat Major, RV 553: I. Allegro
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track: Concerto grosso in D Minor, Op. 3/11, RV 565: I. Allegro - Adagio e spiccato - Allegro
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track: Cello Concerto in G Major, RV 413: III. Allegro
track: Concerto for Viola, Strings and B.c. in D - Reconstructed after BWV 169, 49 & 1053: 1. Allegro
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track: Concerto for 2 Cellos in G Minor, RV 531: II. Largo
track: Concerto for 2 Cellos in G Minor, RV 531: III. Allegro
track: Concerto for 2 Violins in A Minor, RV 522: I. Allegro
track: Concerto for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
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track: Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: I. Allegro
track: Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: II. Adagio
track: Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: III. Allegro
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track: Alcina, HWV 34: Ouverture
track: Alcina, HWV 34, Act I Scene 2: Di', cor mio
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Concerto for Harpsichord, Strings, and Continuo No. 5 in F minor, BWV 1056 - Reconstruction for Violin, Strings and B.c. in G minor: 3. Presto
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Concerto for 4 Violins in B-Flat Major, RV 553: I. Allegro
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Concerto for 4 Violins in B-Flat Major, RV 553: II. Largo
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Concerto for 4 Violins in B-Flat Major, RV 553: III. Allegro
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Harpsichord Concerto No. 4 in A Major, BWV 1055 (Adapted for Oboe d'amore, Strings and Basso continuo): I. Allegro
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Harpsichord Concerto No. 4 in A Major, BWV 1055 (Adapted for Oboe d'amore, Strings and Basso continuo): II. Larghetto
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Harpsichord Concerto No. 4 in A Major, BWV 1055 (Adapted for Oboe d'amore, Strings and Basso continuo): III. Allegro ma non tanto
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3148a41a38441746e5c51bcbd7489da8867320a4688ffe7626c13aa4bf11e3b2. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301283 — a six-check JSON result.
  date published: 2026-07-07T14:18:56Z
audio: Harpsichord Concerto No. 4 in A Major, BWV 1055 (Adapted for Oboe d'amore, Strings and Basso continuo): III. Allegro ma non tanto
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Concerto grosso in D Minor, Op. 3/11, RV 565: I. Allegro - Adagio e spiccato - Allegro
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duration ms: 226213
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by artist: Antonio Vivaldi
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: "Barock" - Berliner Barock Solisten
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  date published: 2025-02-27
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-29T19:35:34Z
audio: Concerto grosso in D Minor, Op. 3/11, RV 565: I. Allegro - Adagio e spiccato - Allegro
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Concerto grosso in D Minor, Op. 3/11, RV 565: II. Largo e spiccato
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duration: PT2M24S
duration ms: 144586
explicit: false
by artist: Antonio Vivaldi
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: "Barock" - Berliner Barock Solisten
  type: MusicAlbum
  date published: 2025-02-27
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEAQ70700049
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-29T12:41:21Z
audio: Concerto grosso in D Minor, Op. 3/11, RV 565: II. Largo e spiccato
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Concerto grosso in D Minor, Op. 3/11, RV 565: III. Allegro
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duration: PT2M24S
duration ms: 144693
explicit: false
by artist: Antonio Vivaldi
by artist: Rainer Kussmaul
by artist: Berliner Barock Solisten
in album: "Barock" - Berliner Barock Solisten
  type: MusicAlbum
  date published: 2025-02-27
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEAQ70700050
additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:12:10Z
audio: Concerto grosso in D Minor, Op. 3/11, RV 565: III. Allegro
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Concerto in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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explicit: false
by artist: Antonio Vivaldi
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
by artist: Bernhard Forck
by artist: Raimar Orlovsky
by artist: Rüdiger Liebermann
in album: "Barock" - Berliner Barock Solisten
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  date published: 2025-02-27
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEAQ70700063
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-07T14:18:56Z
audio: Concerto in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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Concerto in B Minor, Op. 3 No. 10, RV 580: II. Largo, Larghetto, Adagio, Largo
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by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
by artist: Bernhard Forck
by artist: Raimar Orlovsky
by artist: Rüdiger Liebermann
in album: "Barock" - Berliner Barock Solisten
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  date published: 2025-02-27
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEAQ70700064
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: Concerto in B Minor, Op. 3 No. 10, RV 580: II. Largo, Larghetto, Adagio, Largo
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Concerto in B Minor, Op. 3 No. 10, RV 580: III. Allegro
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Concerto in B Minor, Op. 3 No. 10, RV 580: III. Allegro
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Cello Concerto in G Major, RV 413: I. Allegro
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Cello Concerto in G Major, RV 413: II. Largo
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subject of: OpenTimestamps Proof of Existence
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Cello Concerto in G Major, RV 413: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
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Concerto for Viola, Strings and B.c. in D - Reconstructed after BWV 169, 49 & 1053: 1. Allegro
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subject of: OpenTimestamps Proof of Existence
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Concerto for Viola, Strings and B.c. in D - Reconstructed after BWV 169, 49 & 1053: 2. Siciliano
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subject of: OpenTimestamps Proof of Existence
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Concerto for Viola, Strings and B.c. in D - Reconstructed after BWV 169, 49 & 1053: 3. Allegro
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subject of: OpenTimestamps Proof of Existence
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Concerto for 2 Cellos in G Minor, RV 531: I. Allegro
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  date published: 2026-07-06T06:56:49Z
audio: Concerto for 2 Cellos in G Minor, RV 531: I. Allegro
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Concerto for 2 Cellos in G Minor, RV 531: II. Largo
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duration ms: 285866
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by artist: Antonio Vivaldi
by artist: Georg Faust
by artist: Rainer Kussmaul
by artist: Berliner Barock Solisten
by artist: Kristin von der Goltz
in album: "Barock" - Berliner Barock Solisten
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genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:51:49Z
audio: Concerto for 2 Cellos in G Minor, RV 531: II. Largo
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Concerto for 2 Cellos in G Minor, RV 531: III. Allegro
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duration: PT3M10S
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by artist: Antonio Vivaldi
by artist: Berliner Barock Solisten
by artist: Kristin von der Goltz
by artist: Georg Faust
by artist: Rainer Kussmaul
in album: "Barock" - Berliner Barock Solisten
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto for 2 Cellos in G Minor, RV 531: III. Allegro
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Concerto for 2 Violins in A Minor, RV 522: I. Allegro
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duration: PT3M7S
duration ms: 187093
explicit: false
by artist: Antonio Vivaldi
by artist: Rainer Kussmaul
by artist: Berliner Barock Solisten
by artist: Kristin von der Goltz
by artist: Bernhard Forck
in album: "Barock" - Berliner Barock Solisten
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for 2 Violins in A Minor, RV 522: I. Allegro
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Concerto for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
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by artist: Kristin von der Goltz
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
by artist: Bernhard Forck
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Concerto for 2 Violins in A Minor, RV 522: III. Allegro
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by artist: Rainer Kussmaul
by artist: Bernhard Forck
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
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Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: I. Allegro
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:51:24Z
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Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: II. Adagio
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  date published: 2026-07-07T18:39:05Z
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Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: III. Allegro
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  date published: 2026-07-08T03:20:19Z
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Concerto for 3 Harpsichords, Strings, and Continuo No. 2 in C, BWV 1064 - Reconstruction for 3 Violins, Strings and B.c. in D: 1. Allegro
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  date published: 2026-07-30T10:42:33Z
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Concerto for 3 Harpsichords, Strings, and Continuo No. 2 in C, BWV 1064 - Reconstruction for 3 Violins, Strings and B.c. in D: 2. Adagio
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  date published: 2026-07-08T03:20:19Z
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Concerto for 3 Harpsichords, Strings, and Continuo No. 2 in C, BWV 1064 - Reconstruction for 3 Violins, Strings and B.c. in D: 3. Allegro
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  date published: 2026-07-30T21:00:46Z
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Keyboard Concerto No. 2 in A Major, BR JCFB C 30a; Warb YC 91 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): I. Allegro (Cadenza: Mayer)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Keyboard Concerto No. 2 in A Major, BR JCFB C 30a; Warb YC 91 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): II. Andante ma non troppo (Cadenza: Mayer)
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  value: https://explorer.copyrightchains.com/tx/0x3df876d387457387279f86657c26ef373ce98bb25fb04474755df797ac5d3985
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301312
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
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 0x3df876d387457387279f86657c26ef373ce98bb25fb04474755df797ac5d3985. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301312 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: Keyboard Concerto No. 2 in A Major, BR JCFB C 30a; Warb YC 91 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): II. Andante ma non troppo (Cadenza: Mayer)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.975
  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: 0.237
  additional property: Energy
    type: PropertyValue
    value: 0.071
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.358
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.11
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.866
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Keyboard Concerto No. 2 in A Major, BR JCFB C 30a; Warb YC 91 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): III. Allegro (Cadenza: Mayer)
type: MusicRecording
duration: PT6M26S
duration ms: 386830
explicit: false
by artist: Johann Christoph Friedrich Bach
by artist: Albrecht Mayer
by artist: Berliner Barock Solisten
in album: "Barock" - Berliner Barock Solisten
  type: MusicAlbum
  date published: 2025-02-27
isrc code: DEN962301313
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T13:11:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb794382cdd617cb984f8d904c4b1b1bef424840476030a4db290f91a88c3e17e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301313
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb794382cdd617cb984f8d904c4b1b1bef424840476030a4db290f91a88c3e17e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301313 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Keyboard Concerto No. 2 in A Major, BR JCFB C 30a; Warb YC 91 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): III. Allegro (Cadenza: Mayer)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.433
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.459
  additional property: Energy
    type: PropertyValue
    value: 0.236
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.705
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.464
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.492
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Harpsichord Concerto in G Major, H. 412 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): I. Allegro (Cadenza: Mayer)
type: MusicRecording
duration: PT8M29S
duration ms: 509786
explicit: false
by artist: Carl Philipp Emanuel Bach
by artist: Albrecht Mayer
by artist: Berliner Barock Solisten
in album: "Barock" - Berliner Barock Solisten
  type: MusicAlbum
  date published: 2025-02-27
isrc code: DEN962301341
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01fb1949a5b0c0bc2283533b2d5c21eae59472f68d79e80a0a343188e1c41366
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301341
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48Z
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 0x01fb1949a5b0c0bc2283533b2d5c21eae59472f68d79e80a0a343188e1c41366. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301341 — a six-check JSON result.
  date published: 2026-07-31T02:51:48Z
audio: Harpsichord Concerto in G Major, H. 412 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): I. Allegro (Cadenza: Mayer)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.755
  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: 0.373
  additional property: Energy
    type: PropertyValue
    value: 0.256
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.399
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.966
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Harpsichord Concerto in G Major, H. 412 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): II. Adagio (Cadenza: Mayer)
type: MusicRecording
duration: PT5M58S
duration ms: 358231
explicit: false
by artist: Carl Philipp Emanuel Bach
by artist: Albrecht Mayer
by artist: Berliner Barock Solisten
in album: "Barock" - Berliner Barock Solisten
  type: MusicAlbum
  date published: 2025-02-27
isrc code: DEN962301342
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x558ed0c524d46e9322e51f1cb159a0caf297e49cfdfcf72a15b0174c9b434444
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301342
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00Z
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 0x558ed0c524d46e9322e51f1cb159a0caf297e49cfdfcf72a15b0174c9b434444. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301342 — a six-check JSON result.
  date published: 2026-07-31T06:58:00Z
audio: Harpsichord Concerto in G Major, H. 412 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): II. Adagio (Cadenza: Mayer)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.432
  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: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.248
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.117
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.988
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Harpsichord Concerto in G Major, H. 412 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): III. Allegro assai (Cadenza: Mayer)
type: MusicRecording
duration: PT6M56S
duration ms: 416406
explicit: false
by artist: Carl Philipp Emanuel Bach
by artist: Albrecht Mayer
by artist: Berliner Barock Solisten
in album: "Barock" - Berliner Barock Solisten
  type: MusicAlbum
  date published: 2025-02-27
isrc code: DEN962301343
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56168a29e6c0dd74928331d3fe0b3e2b81d93ba19ce7f36e8c5aac2891ea1a94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301343
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
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 0x56168a29e6c0dd74928331d3fe0b3e2b81d93ba19ce7f36e8c5aac2891ea1a94. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962301343 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Harpsichord Concerto in G Major, H. 412 (Arr. Mayer & Spindler for Oboe, Strings and Basso continuo): III. Allegro assai (Cadenza: Mayer)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.361
  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: 0.433
  additional property: Energy
    type: PropertyValue
    value: 0.211
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.73
  additional property: Liveness
    type: PropertyValue
    value: 0.25
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.385
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.192
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Alcina, HWV 34: Ouverture
type: MusicRecording
duration: PT3M23S
duration ms: 203640
explicit: false
by artist: George Frideric Handel
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: "Barock" - Berliner Barock Solisten
  type: MusicAlbum
  date published: 2025-02-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEAQ70900100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:35:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce2bc711b2d7cdb5e95f94a81541379557c4480ae8419800a2dc81bfd3fe77a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAQ70900100
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce2bc711b2d7cdb5e95f94a81541379557c4480ae8419800a2dc81bfd3fe77a4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAQ70900100 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Alcina, HWV 34: Ouverture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.902
  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: 0.434
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.889
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.943
  additional property: Liveness
    type: PropertyValue
    value: 0.265
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.348
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.258
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Alcina, HWV 34, Act I Scene 2: Di', cor mio
type: MusicRecording
duration: PT6M3S
duration ms: 363373
explicit: false
by artist: George Frideric Handel
by artist: Christine Schäfer
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: "Barock" - Berliner Barock Solisten
  type: MusicAlbum
  date published: 2025-02-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEAQ70900101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T16:43:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7f54672ab9ca322e434406d9bd91f918bb9ef228399b3b28f71ac886b98aaf53
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAQ70900101
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
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 0x7f54672ab9ca322e434406d9bd91f918bb9ef228399b3b28f71ac886b98aaf53. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAQ70900101 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: Alcina, HWV 34, Act I Scene 2: Di', cor mio
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Alcina, HWV 34, Act II: Musette
type: MusicRecording
duration: PT1M50S
duration ms: 110266
explicit: false
by artist: George Frideric Handel
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: "Barock" - Berliner Barock Solisten
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  date published: 2025-02-27
genre: classical
genre: opera
genre: early-music
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genre: choral
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