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description: Patricia Kopatchinskaja (born March 1977) is a Moldovan-Austrian-Swiss violinist. Biography Early life Kopatchinskaja was born in Chișinău, in the Moldavian Soviet Socialist Republic (now Moldov
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Violin Concerto No. 2, Sz. 112: I. Allegro non troppo
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Violin Concerto No. 2, Sz. 112: II. Andante tranquillo
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Violin Concerto in D Major, Op. 35, TH 59: I. Allegro moderato
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Violin Concerto in D Major, Op. 35, TH 59: III. Finale. Allegro vivacissimo
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Kugikly for Violin and Ukrainian and Russian Panpipes (Arr. for String Ensemble by Jonathan Keren)
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Sonata for Cello and Piano No. 1 (Arr. for Cello, Strings and Harpsichord by Martin Merker): I. Largo
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Sonata for Cello and Piano No. 1 (Arr. for Cello, Strings and Harpsichord by Martin Merker): II. Presto
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25 Duos for Violin and Cello: XXI. Valse bavaroise
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Presto in C Minor, H.230 Wq.114/3
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  date published: 2026-07-02T03:55:08Z
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Violin Sonata No. 9, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto
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by artist: Fazıl Say
in album: Kopatchinskaja - Say
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T05:09:12Z
audio: Violin Sonata No. 9, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto
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Romanian Folk Dances, Sz. 56: I. Joc cu bata. Allegro moderato - Arr. for Violin and Piano
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duration: PT1M16S
duration ms: 76933
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by artist: Béla Bartók
by artist: Patricia Kopatchinskaja
by artist: Fazıl Say
in album: Kopatchinskaja - Say
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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: 2026-07-02T03:30:09Z
audio: Romanian Folk Dances, Sz. 56: I. Joc cu bata. Allegro moderato - Arr. for Violin and Piano
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Romanian Folk Dances, Sz. 56: II. Braul. Allegro - Arr. for Violin and Piano
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duration: PT0M31S
duration ms: 31760
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by artist: Béla Bartók
by artist: Patricia Kopatchinskaja
by artist: Fazıl Say
in album: Kopatchinskaja - Say
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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: 2026-07-02T11:34:59Z
audio: Romanian Folk Dances, Sz. 56: II. Braul. Allegro - Arr. for Violin and Piano
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Romanian Folk Dances, Sz. 56: III. Pê-loc. Andante - Arr. for Violin and Piano
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duration: PT1M21S
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by artist: Patricia Kopatchinskaja
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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: 2026-07-02T03:55:08Z
audio: Romanian Folk Dances, Sz. 56: III. Pê-loc. Andante - Arr. for Violin and Piano
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Romanian Folk Dances, Sz. 56: IV. Buciumeana. Moderato - Arr. for Violin and Piano
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duration: PT1M15S
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by artist: Patricia Kopatchinskaja
by artist: Fazıl Say
in album: Kopatchinskaja - Say
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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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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Romanian Folk Dances, Sz. 56: IV. Buciumeana. Moderato - Arr. for Violin and Piano
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Romanian Folk Dances, Sz. 56: VI. Maruntel. Allegro - Arr. for Violin and Piano
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by artist: Patricia Kopatchinskaja
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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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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Romanian Folk Dances, Sz. 56: VI. Maruntel. Allegro - Arr. for Violin and Piano
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957073
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862401
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eb09346d29dea5e9d167421c4422bcd933b3f61d94c8328a01cafb3c1f26cde. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862401.
    date published: 2026-07-07T18:39:05Z
  audio: Concerto in mi bemolle maggiore RV 253 "La Tempesta di Mare", per violino, archi e b.c.: I. Presto
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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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track: Concerto in mi bemolle maggiore RV 253 "La Tempesta di Mare", per violino, archi e b.c.: II. Largo
  type: MusicRecording
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  explicit: false
  by artist: Antonio Vivaldi
  by artist: Patricia Kopatchinskaja
  by artist: Il Giardino Armonico
  by artist: Giovanni Antonini
  in album: What's Next Vivaldi?
    type: MusicAlbum
    date published: 2020-09-04
  isrc code: FR50X1862402
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20dca98ee111c5f886320e6fefa8a6b6e70124a4902edc0ecf726de2a1c3f4eb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862402.
    date published: 2026-07-08T03:22:41Z
  audio: Concerto in mi bemolle maggiore RV 253 "La Tempesta di Mare", per violino, archi e b.c.: II. Largo
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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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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track: Concerto in sol minore, RV 157, per archi e b.c.: III. Allegro
  type: MusicRecording
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  explicit: false
  by artist: Antonio Vivaldi
  by artist: Il Giardino Armonico
  by artist: Giovanni Antonini
  in album: What's Next Vivaldi?
    type: MusicAlbum
    date published: 2020-09-04
  isrc code: FR50X1862408
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Concerto in sol minore, RV 157, per archi e b.c.: III. Allegro
track: Concerto in do maggiore, RV 191, per violino, archi e b.c.: II. Largo
track: Concerto in do maggiore, RV 191, per violino, archi e b.c.: III. Allegro ma poco
track: Concerto in mi minore, RV 550, per quattro violini, archi e b.c.: II. Allegro assai
track: Concerto in re maggiore, RV 208 "Il Grosso Mogul", per violino, archi e b.c.: II. Grave - Recitativo

OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
type: PropertyValue
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd66a4b5e145732177685b814802030ee204826bac7c5c5dc8a8f8e4a3baaf3d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862408.
date published: 2026-07-02T03:55:08Z

Concerto in sol minore, RV 157, per archi e b.c.: III. Allegro
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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Concerto in do maggiore, RV 191, per violino, archi e b.c.: II. Largo
type: MusicRecording
duration: PT3M57S
duration ms: 237373
explicit: false
by artist: Antonio Vivaldi
by artist: Patricia Kopatchinskaja
by artist: Il Giardino Armonico
by artist: Giovanni Antonini
in album: What's Next Vivaldi?
  type: MusicAlbum
  date published: 2020-09-04
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862411
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x932c6dd25081357f8f982ca10dd395c67f62e09e7b647e1d9799772b160e37c4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862411.
  date published: 2026-07-08T08:56:20Z
audio: Concerto in do maggiore, RV 191, per violino, archi e b.c.: II. Largo
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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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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Concerto in do maggiore, RV 191, per violino, archi e b.c.: III. Allegro ma poco
type: MusicRecording
duration: PT4M36S
duration ms: 276293
explicit: false
by artist: Antonio Vivaldi
by artist: Patricia Kopatchinskaja
by artist: Il Giardino Armonico
by artist: Giovanni Antonini
in album: What's Next Vivaldi?
  type: MusicAlbum
  date published: 2020-09-04
isrc code: FR50X1862412
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862412
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd628595082df2792a3f0084e53bd1f3f4e456ac008b85de5c4391dabe2417da. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862412.
  date published: 2026-07-08T03:53:27Z
audio: Concerto in do maggiore, RV 191, per violino, archi e b.c.: III. Allegro ma poco
  type: AudioObject
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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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Concerto in mi minore, RV 550, per quattro violini, archi e b.c.: II. Allegro assai
type: MusicRecording
duration: PT2M11S
duration ms: 131533
explicit: false
by artist: Antonio Vivaldi
by artist: Patricia Kopatchinskaja
by artist: Il Giardino Armonico
by artist: Giovanni Antonini
in album: What's Next Vivaldi?
  type: MusicAlbum
  date published: 2020-09-04
isrc code: FR50X1862415
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862415
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62e88e14a6d82f17852b2d012825703468b13489cdef0e84e220fbba37cae2c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862415.
  date published: 2026-07-08T03:22:41Z
audio: Concerto in mi minore, RV 550, per quattro violini, archi e b.c.: II. Allegro assai
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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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: Mode Name
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Concerto in re maggiore, RV 208 "Il Grosso Mogul", per violino, archi e b.c.: II. Grave - Recitativo
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duration: PT2M39S
duration ms: 159880
explicit: false
by artist: Antonio Vivaldi
by artist: Patricia Kopatchinskaja
by artist: Il Giardino Armonico
by artist: Giovanni Antonini
in album: What's Next Vivaldi?
  type: MusicAlbum
  date published: 2020-09-04
isrc code: FR50X1862421
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e4a2daf02168d73c9fcf8f182d31c4e41d6bc73e740760d24eed387b36cb0c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1862421.
  date published: 2026-07-08T03:39:04Z
audio: Concerto in re maggiore, RV 208 "Il Grosso Mogul", per violino, archi e b.c.: II. Grave - Recitativo
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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: Danceability
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  additional property: Energy
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Pierrot Lunaire, Op. 21: XI. Rote Messe
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Pierrot Lunaire, Op. 21: XVI. Gemeinheit!
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duration: PT1M12S
duration ms: 72296
explicit: false
by artist: Arnold Schoenberg
by artist: Patricia Kopatchinskaja
by artist: Meesun Hong
by artist: Julia Gallego
by artist: Reto Bieri
by artist: Thomas Kaufmann
by artist: Joonas Ahonen
in album: Schoenberg: Pierrot lunaire
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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: 2026-07-08T08:56:20Z
audio: Pierrot Lunaire, Op. 21: XVI. Gemeinheit!
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Pierrot Lunaire, Op. 21: XVII. Parodie
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duration: PT1M20S
duration ms: 80944
explicit: false
by artist: Arnold Schoenberg
by artist: Patricia Kopatchinskaja
by artist: Meesun Hong
by artist: Julia Gallego
by artist: Reto Bieri
by artist: Thomas Kaufmann
by artist: Joonas Ahonen
in album: Schoenberg: Pierrot lunaire
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genre: classical
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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: 2026-07-08T08:56:20Z
audio: Pierrot Lunaire, Op. 21: XVII. Parodie
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Pierrot Lunaire, Op. 21: XIX. Serenade
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by artist: Arnold Schoenberg
by artist: Patricia Kopatchinskaja
by artist: Meesun Hong
by artist: Julia Gallego
by artist: Reto Bieri
by artist: Thomas Kaufmann
by artist: Joonas Ahonen
in album: Schoenberg: Pierrot lunaire
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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: 2026-07-08T03:53:27Z
audio: Pierrot Lunaire, Op. 21: XIX. Serenade
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Pierrot Lunaire, Op. 21: XX. Heimfahrt (Barcarole)
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by artist: Arnold Schoenberg
by artist: Patricia Kopatchinskaja
by artist: Meesun Hong
by artist: Julia Gallego
by artist: Reto Bieri
by artist: Thomas Kaufmann
by artist: Joonas Ahonen
in album: Schoenberg: Pierrot lunaire
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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: 2026-07-08T03:53:27Z
audio: Pierrot Lunaire, Op. 21: XX. Heimfahrt (Barcarole)
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Emperor’s Waltz, Op. 437
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duration: PT12M38S
duration ms: 758898
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by artist: Johann Strauss II
by artist: Patricia Kopatchinskaja
by artist: Meesun Hong
by artist: Julia Gallego
by artist: Reto Bieri
by artist: Marko Milenkovic
by artist: Thomas Kaufmann
by artist: Joonas Ahonen
in album: Schoenberg: Pierrot lunaire
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Emperor’s Waltz, Op. 437
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Pierrot Lunaire, Op. 21: XV. Heimweh
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date published: 2021-02-05

"Sleeping Beauty" & Other Orchestral Works by Tchaikovsky
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date published: 2025-02-14
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:39:05Z
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track: None but the lonely heart, Op. 6, No. 6
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T17:25:41Z
  audio: None but the lonely heart, Op. 6, No. 6
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Exile
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date published: 2025-01-24
track: Kugikly for Violin and Ukrainian and Russian Panpipes (Arr. for String Ensemble by Jonathan Keren)
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track: Sonata for Cello and Piano No. 1 (Arr. for Cello, Strings and Harpsichord by Martin Merker): II. Presto
track: Sonata for Cello and Piano No. 1 (Arr. for Cello, Strings and Harpsichord by Martin Merker): III. Largo
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  by artist: Patricia Kopatchinskaja
  by artist: Thomas Kaufmann
  by artist: Camerata Bern
  by artist: Vital Julian Frey
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    date published: 2025-01-24
  genre: minimalism
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:53:57Z
  audio: Sonata for Cello and Piano No. 1 (Arr. for Cello, Strings and Harpsichord by Martin Merker): III. Largo
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track: 5 Minuets and 6 Trios for String Quartet, D. 89: No. 3 (Arr. for String Ensemble by Patricia Kopatchinskaja)
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  by artist: Patricia Kopatchinskaja
  by artist: Camerata Bern
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  genre: classical-piano
  genre: chamber-music
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T17:39:55Z
  audio: 5 Minuets and 6 Trios for String Quartet, D. 89: No. 3 (Arr. for String Ensemble by Patricia Kopatchinskaja)
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track: String Quartet No. 2, Op. 18: I. Allegro scherzando
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: String Quartet No. 2, Op. 18: I. Allegro scherzando
track: String Quartet No. 2, Op. 18: II. Andante - Adagio

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OTSBitcoinBlock
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd6b5550bbb50c63f0db8ced1d17e9d5d02e94e59457c94f4bea85d8b24864c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2411010.
date published: 2026-07-08T03:20:19Z

String Quartet No. 2, Op. 18: I. Allegro scherzando
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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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String Quartet No. 2, Op. 18: II. Andante - Adagio
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duration: PT4M0S
duration ms: 240160
explicit: false
by artist: Ivan Wyschnegradsky
by artist: Camerata Bern
in album: Exile
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: String Quartet No. 2, Op. 18: II. Andante - Adagio
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Take 3
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date published: 2024-01-26
track: L'invitation au château, FP. 138: IV. Mouvement de valse-hésitation
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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: L'invitation au château, FP. 138: IV. Mouvement de valse-hésitation
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track: IV. Kozatske
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  additional property: OTSVerifyInstructions
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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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  by artist: Reto Bieri
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  subject of: OpenTimestamps Proof of Existence
  audio: I. Allegro tristamente
track: II. Romanza
track: I. Verbunkos
track: III. Sebes
track: L'invitation au château, FP. 138: XI. Tango

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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2077209

OTSTimestamp
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value: 2026-07-08T03:22:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb89684d9a187bbbc4252ca8f0a39dd384a6c0078f64a982074ae09ec8fc66257. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2077209.
date published: 2026-07-08T03:22:41Z

I. Allegro tristamente
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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: Liveness
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additional property: Valence (Positivity)
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II. Romanza
type: MusicRecording
duration: PT4M40S
duration ms: 280080
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by artist: Reto Bieri
by artist: Polina Leschenko
in album: Take 3
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genre: classical
genre: early-modern-classical
genre: neoclassicism
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: II. Romanza
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I. Verbunkos
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duration: PT5M33S
duration ms: 333840
explicit: false
by artist: Béla Bartók
by artist: Patricia Kopatchinskaja
by artist: Reto Bieri
by artist: Polina Leschenko
in album: Take 3
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: I. Verbunkos
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III. Sebes
type: MusicRecording
duration: PT7M26S
duration ms: 446720
explicit: false
by artist: Béla Bartók
by artist: Patricia Kopatchinskaja
by artist: Reto Bieri
by artist: Polina Leschenko
in album: Take 3
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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: 2026-07-08T03:22:41Z
audio: III. Sebes
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L'invitation au château, FP. 138: XI. Tango
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duration: PT2M46S
duration ms: 166306
explicit: false
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by artist: Patricia Kopatchinskaja
by artist: Reto Bieri
by artist: Polina Leschenko
in album: Take 3
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genre: classical
genre: early-modern-classical
genre: neoclassicism
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additional property: CopyrightID
additional property: CopyrightStatus
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53d40b031b59fd02dca965b369916bee2b6cb81feda830d08bada96b4734dddf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2077218.
  date published: 2026-07-08T03:53:27Z
audio: L'invitation au château, FP. 138: XI. Tango
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Janáček - Brahms - Bartók
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date published: 2023-01-06
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  by artist: Fazıl Say
  in album: Janáček - Brahms - Bartók
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  genre: classical
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  genre: early-modern-classical
  genre: contemporary-classical
  genre: post-romantic-era
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b6988d2ecf81029a3c5b35548b6630da95ebadf7c5af7303f7800c630e2ad01. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2288501.
    date published: 2026-07-08T03:20:19Z
  audio: Violin Sonata, JW VII/7: I. Con moto
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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track: Violin Sonata No. 3 in D Minor, Op. 108: II. Adagio
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Prelude No.15 in G Major, BWV 860
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Coll
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date published: 2021-05-21
track: Violin Concerto: I. Atomised
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Violin Concerto: I. Atomised
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track: Violin Concerto: II. Hyperhymnia
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  by artist: Patricia Kopatchinskaja
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: Violin Concerto: II. Hyperhymnia
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Time & Eternity
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date published: 2019-09-13
track: Kol Nidre (Cantor)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Kol Nidre (Cantor)
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track: Kol Nidre
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  by artist: Patricia Kopatchinskaja
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: Elijahu Hanawi
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  subject of: OpenTimestamps Proof of Existence
  audio: Elijahu Hanawi
track: Concerto funèbre for Violin and String Orchestra: I. Introduction (Largo)
track: Unsterbliche Opfer - War Cadenza (Improvisation) - Arr. for String Orchestra and Accordion
track: Dwa serduszka

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OTSTimestamp
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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

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

Elijahu Hanawi
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Concerto funèbre for Violin and String Orchestra: I. Introduction (Largo)
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by artist: Camerata Bern
by artist: Patricia Kopatchinskaja
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genre: early-modern-classical
genre: austro-german-modernism
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto funèbre for Violin and String Orchestra: I. Introduction (Largo)
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Unsterbliche Opfer - War Cadenza (Improvisation) - Arr. for String Orchestra and Accordion
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by artist: Camerata Bern
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genre: chamber-music
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Dwa serduszka
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Dwa serduszka
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Michael Hersch: Carrion-Miles to Purgatory
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Deux (Bartók, Poulenc & Ravel)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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    date published: 2026-07-08T03:53:27Z
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:39:04Z

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    date published: 2026-07-08T08:56:20Z
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    additional property: Mode Name
      type: PropertyValue
      value: Major

Take Two
type: MusicAlbum
date published: 2015-10-16

Rapsodia
type: MusicAlbum
date published: 2010-09-20
track: Ménétrier
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230546
  explicit: false
  by artist: George Enescu
  by artist: Patricia Kopatchinskaja
  by artist: Emilia Kopatchinskaja
  by artist: Viktor Kopatchinsky
  by artist: Martin Gjakonovski
  by artist: Mihaela Ursuleasa
  in album: Rapsodia
    type: MusicAlbum
    date published: 2010-09-20
  isrc code: FRZ130933020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:58:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe2f6b5c1809044076e13979f5f7d055c059a87fb26badf72086081e96650dca7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    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/FRZ130933020
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2f6b5c1809044076e13979f5f7d055c059a87fb26badf72086081e96650dca7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130933020.
    date published: 2026-07-08T03:20:19Z
  audio: Ménétrier
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.371
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.142
    additional property: Key Name
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      value: D
    additional property: Mode Name
      type: PropertyValue
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track: Violin sonata No.3: Moderato malinconico
  type: MusicRecording
  duration: PT9M16S
  duration ms: 556160
  explicit: false
  by artist: George Enescu
  by artist: Patricia Kopatchinskaja
  by artist: Emilia Kopatchinskaja
  in album: Rapsodia
    type: MusicAlbum
    date published: 2010-09-20
  isrc code: FRZ130933040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130933040
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3006222013839e4711aeb6dcb4e7a6d132ee01831606b48a820b425f9d37c2ab. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130933040.
    date published: 2026-07-08T03:20:19Z
  audio: Violin sonata No.3: Moderato malinconico
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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track: Violin sonata no.3: Allegro con brio, ma non troppo mosso
  type: MusicRecording
  duration: PT8M39S
  duration ms: 519386
  explicit: false
  by artist: George Enescu
  by artist: Patricia Kopatchinskaja
  by artist: Emilia Kopatchinskaja
  in album: Rapsodia
    type: MusicAlbum
    date published: 2010-09-20
  isrc code: FRZ130933060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:38:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6513669f9d46f8387b358deac5b6f91401366dc3ea620d2931bacaa6eaa7f719
  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: Violin sonata no.3: Allegro con brio, ma non troppo mosso
track: Hora Staccato

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957145

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957145

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130933060

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6513669f9d46f8387b358deac5b6f91401366dc3ea620d2931bacaa6eaa7f719. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130933060.
date published: 2026-07-08T08:56:20Z

Violin sonata no.3: Allegro con brio, ma non troppo mosso
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 127.169
additional property: Musical Key
  type: PropertyValue
  value: 2
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: 0.476
additional property: Energy
  type: PropertyValue
  value: 0.164
additional property: Speechiness
  type: PropertyValue
  value: 0.046
additional property: Acousticness
  type: PropertyValue
  value: 0.979
additional property: Instrumentalness
  type: PropertyValue
  value: 0.703
additional property: Liveness
  type: PropertyValue
  value: 0.084
additional property: Valence (Positivity)
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  value: 0.19
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.279
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
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Hora Staccato
type: MusicRecording
duration: PT2M17S
duration ms: 137053
explicit: false
by artist: Grigoras Dinicu
by artist: Patricia Kopatchinskaja
in album: Rapsodia
  type: MusicAlbum
  date published: 2010-09-20
isrc code: FRZ130933180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:40:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0216253c119feea067dc12488bdd68ebb7771210ae12c2fab53fe58a7d8c428
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130933180
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0216253c119feea067dc12488bdd68ebb7771210ae12c2fab53fe58a7d8c428. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130933180.
  date published: 2026-07-08T03:22:41Z
audio: Hora Staccato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.693
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.469
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Beethoven: Complete Works for Violin and Orchestra
type: MusicAlbum
date published: 2009-09-07
track: Romance in F Major, Op. 50
  type: MusicRecording
  duration: PT7M28S
  duration ms: 448680
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Patricia Kopatchinskaja
  by artist: Philippe Herreweghe
  by artist: Orchestre des Champs-Élysées
  in album: Beethoven: Complete Works for Violin and Orchestra
    type: MusicAlbum
    date published: 2009-09-07
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: FRZ130847020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T21:09:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1c35b0c943588d9648844ba1686581c6508bf27632a8aa65ec0c2606ede26705
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130847020
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c35b0c943588d9648844ba1686581c6508bf27632a8aa65ec0c2606ede26705. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130847020.
    date published: 2026-07-08T03:22:41Z
  audio: Romance in F Major, Op. 50
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    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: 0.299
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.132
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.052
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.641
    additional property: Key Name
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    additional property: Mode Name
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track: Violin Concerto in C Major, Woo 5 (Fragment)
  type: MusicRecording
  duration: PT7M35S
  duration ms: 455426
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Patricia Kopatchinskaja
  by artist: Philippe Herreweghe
  by artist: Orchestre des Champs-Élysées
  in album: Beethoven: Complete Works for Violin and Orchestra
    type: MusicAlbum
    date published: 2009-09-07
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: FRZ130847040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T08:43:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130847040
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd701997e4022f9ceff71e2d7ac4087747005ac509403724cdbcbb3ac906f7a29. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130847040.
    date published: 2026-07-08T03:20:19Z
  audio: Violin Concerto in C Major, Woo 5 (Fragment)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.319
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
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    additional property: Mode Name
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1001 Nights in the Harem
type: MusicAlbum
date published: 2009-03-16
track: Violin Concerto "1001 Nights in the Harem": III. Andantino
  type: MusicRecording
  duration: PT8M39S
  duration ms: 519093
  explicit: false
  by artist: Fazıl Say
  by artist: Patricia Kopatchinskaja
  by artist: Luzerner Sinfonieorchester
  by artist: John Axelrod
  in album: 1001 Nights in the Harem
    type: MusicAlbum
    date published: 2009-03-16
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-06T18:29:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130820012
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T01:21:48Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6cbb455aa45d3b0cdca2f10fd32c0de72f13fbaed12ca5fea023625d6bc047a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-22T01:21:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130820012.
    date published: 2026-07-22T01:21:48Z
  audio: Violin Concerto "1001 Nights in the Harem": III. Andantino
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 118.133
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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OpenTimestamps Proof of Existence
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track: Violin Sonata No. 2, M. 77: II. Blues
track: Romanian Folk Dances, Sz. 56: I. Joc cu bata. Allegro moderato - Arr. for Violin and Piano
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OpenTimestamps Proof of Existence
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Trio for Clarinet, Violin & Piano: I. Freylakh
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L'invitation au château, FP. 138: IV. Mouvement de valse-hésitation
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Violin Sonata, JW VII/7: I. Con moto
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Concerto in mi bemolle maggiore RV 253 "La Tempesta di Mare", per violino, archi e b.c.: III. Presto
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Kol Nidre
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Schumann: Complete Symphonic Works
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