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Larghetto from Piano Concerto No. 1
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Nocturne from String Quartet No. 2
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Suite Bergamasque: III. Clair de lune
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Double Concerto for Clarinet, Viola and Orchestra in E Minor, Op. 88: I. Andante con molto
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf73095e2849ea0ad2eb74f5944cf07089ff96928d5040ecd349d130cd643710. 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/USSJ10814067.
  date published: 2026-07-08T03:20:19Z
audio: Double Concerto for Clarinet, Viola and Orchestra in E Minor, Op. 88: I. Andante con molto
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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)
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Double Concerto for Clarinet, Viola and Orchestra in E Minor, Op. 88: III. Allegro molto
type: MusicRecording
duration: PT5M26S
duration ms: 326600
explicit: false
by artist: Max Bruch
by artist: Alfred Scholz
by artist: Sinfonie Orchester Des Sudwestfunks Baden-Baden
in album: Bruch: Double Concerto, Op. 88 - Canzone for Cello & Orchestra, Op. 55 - Ave Maria, Op. 61
  type: MusicAlbum
  date published: 2009-01-01
isrc code: USSJ10814069
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10814069
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
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  value: 957118
additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd09ad9866f42e663a8fd3f1ad628e4358148c47c19434d656878d71b7be911fc. 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/USSJ10814069.
  date published: 2026-07-08T03:53:27Z
audio: Double Concerto for Clarinet, Viola and Orchestra in E Minor, Op. 88: III. Allegro molto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Danceability
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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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Ave Maria, Op. 61
type: MusicRecording
duration: PT9M17S
duration ms: 557600
explicit: false
by artist: Max Bruch
by artist: Alfred Scholz
by artist: Sinfonie Orchester Des Sudwestfunks Baden-Baden
in album: Bruch: Double Concerto, Op. 88 - Canzone for Cello & Orchestra, Op. 55 - Ave Maria, Op. 61
  type: MusicAlbum
  date published: 2009-01-01
isrc code: USSJ10814071
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
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10814071
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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  value: true
additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76ff12e3ea287b8824f64480a5703d65e00a1dfe74a09ab288284981a858df70. 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/USSJ10814071.
  date published: 2026-07-02T03:55:08Z
audio: Ave Maria, Op. 61
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Time Signature
    type: PropertyValue
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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)
    type: PropertyValue
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Double Concerto for Clarinet, Viola and Orchestra in E Minor, Op. 88: II. Allegro moderato
type: MusicRecording
duration: PT5M34S
duration ms: 334866
explicit: false
by artist: Max Bruch
by artist: Alfred Scholz
by artist: Sinfonie Orchester Des Sudwestfunks Baden-Baden
in album: Bruch: Double Concerto, Op. 88 - Canzone for Cello & Orchestra, Op. 55 - Ave Maria, Op. 61
  type: MusicAlbum
  date published: 2009-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fa6e578dc7527cc012ac71dc12687047f9a99047086df57e23c6ca3d2a992cf. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10814068.
  date published: 2026-07-29T13:09:35Z
audio: Double Concerto for Clarinet, Viola and Orchestra in E Minor, Op. 88: II. Allegro moderato
  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: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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isrc code: USSJ10814068
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Fierabras Overture
type: MusicRecording
duration: PT9M18S
duration ms: 558000
explicit: false
by artist: Franz Schubert
by artist: Sinfonie Orchester Des Sudwestfunks Baden-Baden
in album: Schubert: Rosamunde Ballet Music - Orchestral Works
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSJ10815920
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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  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/USSJ10815920
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb9e45d656e660dec3b4e3044450f1e7d782a0502826eccee12ee390146ba8a. 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/USSJ10815920.
  date published: 2026-07-08T03:22:41Z
audio: Fierabras Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.456
  additional property: Musical Key
    type: PropertyValue
    value: 5
  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: 0.262
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
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    value: 0.889
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.068
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.513
  additional property: Key Name
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  additional property: Mode Name
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Concerto for Guitar, Strings and B.c. in D Major: I. Allegro
type: MusicRecording
duration: PT2M11S
duration ms: 131840
explicit: false
by artist: Antonio Vivaldi
by artist: Klaus Arp
by artist: Sinfonie Orchester Des Sudwestfunks Baden-Baden
by artist: Annette Struck-Vrangos
by artist: Boris Björn Bagger
in album: Vivaldi: Concerto for Guitar in D and in C - Concerto for Mandolin in E Major and RV 425
  type: MusicAlbum
  date published: 2009-01-01
isrc code: USSJ10812918
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x0a0db01322fd0d6e517ba26246f4e11e4c563055d968102f5e5e253f42367570
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/USSJ10812918
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a0db01322fd0d6e517ba26246f4e11e4c563055d968102f5e5e253f42367570. 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/USSJ10812918.
  date published: 2026-07-08T03:53:27Z
audio: Concerto for Guitar, Strings and B.c. in D Major: I. 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
    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
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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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    value: -17.913
  additional property: Key Name
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  additional property: Mode Name
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Concerto for Guitar, Strings and B.c. in D Major: III. Allegro
type: MusicRecording
duration: PT3M39S
duration ms: 219640
explicit: false
by artist: Antonio Vivaldi
by artist: Klaus Arp
by artist: Sinfonie Orchester Des Sudwestfunks Baden-Baden
by artist: Annette Struck-Vrangos
by artist: Boris Björn Bagger
in album: Vivaldi: Concerto for Guitar in D and in C - Concerto for Mandolin in E Major and RV 425
  type: MusicAlbum
  date published: 2009-01-01
isrc code: USSJ10812920
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T05:21:57+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7da79ea7f31fd201c65de85fe5e1494b4aade086e99b006ad542971e6f1fabb1
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/USSJ10812920
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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  value: true
additional property: ContentHash
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto for Guitar, Strings and B.c. in D Major: III. Allegro
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Concerto for Guitar, Strings and B.c. in D Major: II. Largo
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duration: PT5M28S
duration ms: 328826
explicit: false
by artist: Antonio Vivaldi
by artist: Klaus Arp
by artist: Sinfonie Orchester Des Sudwestfunks Baden-Baden
by artist: Annette Struck-Vrangos
by artist: Boris Björn Bagger
in album: Vivaldi: Concerto for Guitar in D and in C - Concerto for Mandolin in E Major and RV 425
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  date published: 2009-01-01
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T05:15:54Z
audio: Concerto for Guitar, Strings and B.c. in D Major: II. Largo
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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 0x58c4c97631f36ae9f8b7a9ef1f28500c05d228b1608265181f1797baf71d08cc. 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/USSJ10815918.
date published: 2026-07-08T03:53:27Z

Rosamunde D. 797 Ballet Music: II.
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Military March
type: MusicRecording
duration: PT4M12S
duration ms: 252266
explicit: false
by artist: Franz Schubert
by artist: Latvian Philharmonic Chamber Orchestra
by artist: Ilmar Lapinsch
in album: Schubert: Rosamunde Ballet Music - Orchestral Works
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:41:13Z
audio: Military March
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Moment Musical in A-Flat Major Op. 94: III.
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by artist: Franz Schubert
by artist: Latvian Philharmonic Chamber Orchestra
by artist: Ilmar Lapinsch
in album: Schubert: Rosamunde Ballet Music - Orchestral Works
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Moment Musical in A-Flat Major Op. 94: III.
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Lullaby I
type: MusicRecording
duration: PT1M19S
duration ms: 79506
explicit: false
by artist: Franz Schubert
by artist: Latvian Philharmonic Chamber Orchestra
by artist: Ilmar Lapinsch
in album: Schubert: Rosamunde Ballet Music - Orchestral Works
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Lullaby I
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Lullaby II
type: MusicRecording
duration: PT2M34S
duration ms: 154133
explicit: false
by artist: Franz Schubert
by artist: Latvian Philharmonic Chamber Orchestra
by artist: Ilmar Lapinsch
in album: Schubert: Rosamunde Ballet Music - Orchestral Works
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Lullaby II
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Ballet Class Music Volume 1
type: MusicAlbum
date published: 2009-01-01
track: Sylvia: Pizzicato (aus Suite)
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  by artist: Nuremberg Symphony Orchestra
  by artist: Räto Tschupp
  in album: Ballet Class Music Volume 1
    type: MusicAlbum
    date published: 2009-01-01
  genre: classical
  isrc code: USSJ10901370
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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 0x046de5e15d0edc7652fb6d3237c99528c71511f8edab6c7a5048a6d4884a942f. 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/USSJ10901370.
    date published: 2026-07-02T03:55:08Z
  audio: Sylvia: Pizzicato (aus Suite)
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Vivaldi: Concerto for Guitar in D and in C - Concerto for Mandolin in E Major and RV 425
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Great Strauss Waltzes, Polkas & Marches
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Novak, Dvorák & Rachmaninov: Orchestral Suites
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Rossini Opera Overtures
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Opera Overtures, Volume 3
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50 Most Essential Classical Pieces (Volume 1)
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Greatest Opera Overtures, Volume 4
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Vivaldi: Concerto for Guitar In D and In C, Concerto for Flute and Guitar In C and In G & Concerto for Mandolin, RV 425
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Great Operetta Overtures
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Vivaldi - Fasch - Krebs: Guitar Concertos
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Opera Overtures, Volume 4
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New Year's Eve in Vienna
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Boulez: Poesie pour pouvoir - Polyphonie X - Rituel in Memorium Bruno Maderna - Structures pour deux pianos
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Schumann: 4 Symphonies, "Rhenish"
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Greatest Opera Overtures, Volume 2
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Tchaikovsky: Symphonies Nos. 4 - 6
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Tchaikovsky: The 6 Symphonies
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50 Essential Mozart
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Summer Songs
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Beethoven: Piano Concertos Nos. 1 - 5
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Bruch: Kol Nidrei - Dvorak: Cello Concerto - Bloch: Baal-schem
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50 Essential Classics Volume 1
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Beethoven: Mass in C; Mass in D "Missa Solemnis"
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New Year's in Vienna
type: MusicAlbum
date published: 2010-01-01

Greatest Opera Overtures, Volume 3
type: MusicAlbum
date published: 2009-01-01

Bernd Alois Zimmermann: Concerto Pour Violoncello
type: MusicAlbum
date published: 2012-08-17

Beethoven - Mass in C, Op. 86 - Mass in D, "Missa Solemnis"
type: MusicAlbum
date published: 2009-01-01