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description: Rainer Kussmaul (3 June 1946 – 27 March 2017) was a German Grammy Award-winning violinist and conductor. Kussmaul was born in Mannheim and studied at the State Academy of Fine Arts Stuttgart. He was p
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album: J.S. Bach: Complete Concertos
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album: 99 Must-Own Classical Music Collection
album: Baroque Violin Concertos
album: Michala Petri Plays Bach & Telemann
album: Vivaldi: Concerti
album: George Frideric Handel: Alcina (Arias & Suites)
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album: Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
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album: Abendmusik auf Schloß Langenburg
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Telemann: Tafelmusik, Pt. 1, Concerto for Flute, Violin and Cello in A Major, TWV 53:A2: I. Largo
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Violin Concerto in A Minor, BWV 1041: III. Allegro (2)
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331805986
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f02032f63ae9538b4155d950705da8548dd3dfc21dfa229deaad83580cb7f89. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331805986.
  date published: 2026-07-02T03:30:09Z
audio: Violin Concerto in E Major, BWV 1042: II. Adagio
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  additional property: Valence (Positivity)
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Violin Concerto in E Major, BWV 1042: III. Allegro assai
type: MusicRecording
duration: PT2M55S
duration ms: 175026
explicit: false
by artist: Johann Sebastian Bach
by artist: Camerata Antonio Luco
by artist: Emmy Verhey
in album: J.S. Bach: The Violin Concertos
  type: MusicAlbum
  date published: 2006-04-01
popularity: 11
genre: classical
genre: classical-piano
isrc code: NLY331805987
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/NLY331805987
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04a6932d55ec0d1f0e9e4ada0138edb16bf465dcccaf09711e5272105e953b88. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331805987.
  date published: 2026-07-02T03:30:09Z
audio: Violin Concerto in E Major, BWV 1042: III. Allegro assai
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  additional property: Valence (Positivity)
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Violin Concerto in D Minor, BWV 1052: I. Allegro
type: MusicRecording
duration: PT7M38S
duration ms: 458400
explicit: false
by artist: Johann Sebastian Bach
by artist: Camerata Antonio Luco
by artist: Emmy Verhey
in album: J.S. Bach: The Violin Concertos
  type: MusicAlbum
  date published: 2006-04-01
popularity: 12
genre: classical
genre: classical-piano
isrc code: NLY331805988
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/NLY331805988
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db4c815fbf7d794fa03e3ba9b15f80b93547aeaf7bfa655ff4e569708176e7e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331805988.
  date published: 2026-07-02T03:30:09Z
audio: Violin Concerto in D Minor, BWV 1052: I. Allegro
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Violin Concerto in D Minor, BWV 1052: II. Largo
type: MusicRecording
duration: PT7M2S
duration ms: 422000
explicit: false
by artist: Johann Sebastian Bach
by artist: Camerata Antonio Luco
by artist: Emmy Verhey
in album: J.S. Bach: The Violin Concertos
  type: MusicAlbum
  date published: 2006-04-01
popularity: 9
genre: classical
genre: classical-piano
isrc code: NLY331805989
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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 0x20f592be1a3d6545537fcd1468454e3b0c826c5e34621139b4d8dc21b3c3a050. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/NLY331805989.
  date published: 2026-07-02T05:09:12Z
audio: Violin Concerto in D Minor, BWV 1052: II. Largo
  type: AudioObject
  additional property: Tempo (BPM)
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Violin Concerto in D Minor, BWV 1052: III. Presto
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duration: PT7M52S
duration ms: 472133
explicit: false
by artist: Johann Sebastian Bach
by artist: Camerata Antonio Luco
by artist: Emmy Verhey
in album: J.S. Bach: The Violin Concertos
  type: MusicAlbum
  date published: 2006-04-01
popularity: 9
genre: classical
genre: classical-piano
isrc code: NLY331805990
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 0x32f7e4f25056ff14a7f08e33b27ee5eafca314e159969edffd7eb5abba8e34b8. 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/NLY331805990.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in D Minor, BWV 1052: III. Presto
  type: AudioObject
  additional property: Tempo (BPM)
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Violin Concerto in G Minor, BWV 1056: I. Allegro
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duration: PT3M22S
duration ms: 202933
explicit: false
by artist: Johann Sebastian Bach
by artist: Camerata Antonio Luco
by artist: Emmy Verhey
in album: J.S. Bach: The Violin Concertos
  type: MusicAlbum
  date published: 2006-04-01
popularity: 10
genre: classical
genre: classical-piano
isrc code: NLY331805991
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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 0xddd459df2366a683018a08dc94a21284533c99c8b0785186b0ff5932306cf0c8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331805991.
  date published: 2026-07-02T03:30:09Z
audio: Violin Concerto in G Minor, BWV 1056: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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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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Violin Concerto in G Minor, BWV 1056: II. Andante
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duration: PT3M14S
duration ms: 194893
explicit: false
by artist: Johann Sebastian Bach
by artist: Camerata Antonio Luco
by artist: Emmy Verhey
in album: J.S. Bach: The Violin Concertos
  type: MusicAlbum
  date published: 2006-04-01
popularity: 9
genre: classical
genre: classical-piano
isrc code: NLY331805992
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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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd665e06222cb44e800c48d8e0bba7cc61fd6ef3fcf089899d5ebb1ffe7620300. 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/NLY331805992.
  date published: 2026-07-02T03:55:08Z
audio: Violin Concerto in G Minor, BWV 1056: II. Andante
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Violin Concerto in G Minor, BWV 1056: III. Allegro assai
type: MusicRecording
duration: PT3M38S
duration ms: 218013
explicit: false
by artist: Johann Sebastian Bach
by artist: Camerata Antonio Luco
by artist: Emmy Verhey
in album: J.S. Bach: The Violin Concertos
  type: MusicAlbum
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Concerto for 3 Violins, Strings & B.C. In D Major, BWV 1064: I. Allegro
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Concerto for 3 Violins, Strings & B.C. In D Major, BWV 1064: II. Adagio
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Concerto for 3 Violins, Strings & B.C. In D Major, BWV 1064: III. Allegro (2)
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track: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
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track: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
track: Violin Concerto in E Major, BWV 1042: I. Allegro
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track: Violin Concerto in A Minor, BWV 1041: III. Allegro assai
track: Violin Concerto in G Minor, BWV 1056: II. Largo
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track: Concerto for Two Violins and Orchestra in E Major, BWV 1043: I. Vivace
track: Harpsichord Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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track: Harpsichord Concerto No. 6. In F Major, BWV 1057: I. —
track: Concerto for Three Violins in D Major, BWV 1064R: I. Allegro
track: Concerto for Three Violins in D Major, BWV 1064R: II. Adagio

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OTSBitcoinBlock
type: PropertyValue
value: 957032

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957032

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603727

OTSTimestamp
type: PropertyValue
value: 2026-07-07T11:43:09Z

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 0xd233aec35a4852835094319ec83ccfd7f3442621a7992d1333b0a08bdd11375d. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603727.
date published: 2026-07-07T11:43:09Z

Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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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  value: 5
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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  value: 0.889
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
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  value: 0.083
additional property: Valence (Positivity)
  type: PropertyValue
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additional property: Loudness (dB)
  type: PropertyValue
  value: -25.066
additional property: Key Name
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  value: F#
additional property: Mode Name
  type: PropertyValue
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
type: MusicRecording
duration: PT3M30S
duration ms: 210840
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Rémy Baudet
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Concertos
  type: MusicAlbum
  date published: 2016-05-06
popularity: 5
genre: classical
genre: classical-piano
isrc code: NLY331603733
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
  type: PropertyValue
  value: 957120
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/NLY331603733
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 0x373b559438a4b5f57d2f6ff48fe5912ca3a5e669164c46787efa7a5b01c8b054. 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/NLY331603733.
  date published: 2026-07-08T03:22:41Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
  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: 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
    type: PropertyValue
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Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
type: MusicRecording
duration: PT4M34S
duration ms: 274680
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Rémy Baudet
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Concertos
  type: MusicAlbum
  date published: 2016-05-06
popularity: 4
genre: classical
genre: classical-piano
isrc code: NLY331603734
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/NLY331603734
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 0x3a2f1d8e5e3b6f9e858390df5a6d3e00decad7f76b0222c240735f8366037665. 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/NLY331603734.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.36
  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
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  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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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
type: MusicRecording
duration: PT9M47S
duration ms: 587360
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Rémy Baudet
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Concertos
  type: MusicAlbum
  date published: 2016-05-06
popularity: 5
genre: classical
genre: classical-piano
isrc code: NLY331603735
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:38:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50ae33911bcf84843a960bf37a59c001828b4fd9fab0cccc0787009e6e74fae9
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957032
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603735
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T11:43:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50ae33911bcf84843a960bf37a59c001828b4fd9fab0cccc0787009e6e74fae9. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603735.
  date published: 2026-07-07T11:43:09Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
  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
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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
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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
    value: -22.032
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
type: MusicRecording
duration: PT5M42S
duration ms: 342133
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Rémy Baudet
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Concertos
  type: MusicAlbum
  date published: 2016-05-06
popularity: 4
genre: classical
genre: classical-piano
isrc code: NLY331603736
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:29:19+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf38ea49fdc8489f3b9808ba3783463643682605627f91d54235fe038f01638aa
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603736
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 0xf38ea49fdc8489f3b9808ba3783463643682605627f91d54235fe038f01638aa. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603736.
  date published: 2026-07-07T16:07:00Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
  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: 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
    type: PropertyValue
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
type: MusicRecording
duration: PT5M11S
duration ms: 311720
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Rémy Baudet
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Concertos
  type: MusicAlbum
  date published: 2016-05-06
popularity: 4
genre: classical
genre: classical-piano
isrc code: NLY331603737
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:39:30+00:00
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
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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 0x0c6c7bee294ec58e198db963fdbbc034a29fe29747b1121392be26e106db7022. 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/NLY331603737.
  date published: 2026-07-08T03:22:41Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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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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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
type: MusicRecording
duration: PT4M42S
duration ms: 282680
explicit: false
by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Rémy Baudet
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Concertos
  type: MusicAlbum
  date published: 2016-05-06
popularity: 4
genre: classical
genre: classical-piano
isrc code: NLY331603739
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:31:49+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xbdc84d647594808c80e7f62d611e5ab4979e69940beb8f5c385f60fc2eaf3952
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdc84d647594808c80e7f62d611e5ab4979e69940beb8f5c385f60fc2eaf3952. 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/NLY331603739.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
  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
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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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Violin Concerto in E Major, BWV 1042: I. Allegro
type: MusicRecording
duration: PT7M10S
duration ms: 430693
explicit: false
by artist: Johann Sebastian Bach
by artist: Amsterdam Bach Soloists
by artist: Henk Rubingh
by artist: Gewandhausorchester
by artist: Kurt Masur
in album: J.S. Bach: Complete Concertos
  type: MusicAlbum
  date published: 2016-05-06
popularity: 6
genre: classical
genre: classical-piano
isrc code: NLY331603741
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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subject of: OpenTimestamps Proof of Existence
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audio: Violin Concerto in E Major, BWV 1042: I. Allegro
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Violin Concerto in E Major, BWV 1042: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Violin Concerto in E Major, BWV 1042: II. Adagio
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Violin Concerto in A Minor, BWV 1041: III. Allegro assai
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T15:12:44Z
audio: Violin Concerto in A Minor, BWV 1041: III. Allegro assai
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Violin Concerto in G Minor, BWV 1056: II. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Violin Concerto in G Minor, BWV 1056: II. Largo
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Violin Concerto in G Minor, BWV 1056: III. Presto
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  date published: 2026-07-07T18:39:05Z
audio: Violin Concerto in G Minor, BWV 1056: III. Presto
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Concerto for Two Violins and Orchestra in E Major, BWV 1043: I. Vivace
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audio: Concerto for Two Violins and Orchestra in E Major, BWV 1043: I. Vivace
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Harpsichord Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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Harpsichord Concerto No. 1 in D Minor, BWV 1052: II. Adagio
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Harpsichord Concerto No. 2 in E Major, BWV 1053: I. —
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Harpsichord Concerto No. 3 in D Major, BWV 1054: I. —
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Harpsichord Concerto No. 3 in D Major, BWV 1054: II. Adagio e Piano sempre
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  date published: 2026-07-08T03:20:19Z
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Harpsichord Concerto No. 4 in A Major, BWV 1055: I. Allegro
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: I. —
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Harpsichord Concerto No. 6. In F Major, BWV 1057: I. —
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Concerto for Three Violins in D Major, BWV 1064R: I. Allegro
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Concerto for Three Violins in D Major, BWV 1064R: II. Adagio
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    date published: 2026-07-08T03:53:27Z
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track: Concerto No. 1 in F Major, BWV 1046: IV. Menuet - Trio No. 1 - Polonaise - Trio No. 2
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track: Concerto No. 3 in G Major, BWV 1048: I. —
track: Concerto No. 4 in G Major, BWV 1049: II. Andante
track: Concerto No. 4 in G Major, BWV 1049: III. Presto
track: Concerto No. 5 in D Major, BWV 1050: I. Allegro
track: Concerto No. 5 in D Major, BWV 1050: III. Allegro
track: Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
track: Orchestral Suite No. 1 in C Major, BWV 1066: I. Ouverture
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track: Violin Concerto in E Major, BWV 1042: I. Allegro
track: Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)

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Concerto No. 2 in F Major, BWV 1047: I. —
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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 0xdb76c70d8e06bb52c1da88936859cb2a094a76aa9a4f4f8e9285d09d519fcacb. 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/NLY331406783.
  date published: 2026-07-08T03:53:27Z
audio: Concerto No. 3 in G Major, BWV 1048: I. —
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Concerto No. 4 in G Major, BWV 1049: II. Andante
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duration: PT3M30S
duration ms: 210840
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by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
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genre: classical
genre: classical-piano
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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 0x1669d4b4489339b428dc0b4287a5815b857abfa076a3cf0d98758678d0530382. 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/NLY331406787.
  date published: 2026-07-08T03:53:27Z
audio: Concerto No. 4 in G Major, BWV 1049: II. Andante
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Concerto No. 4 in G Major, BWV 1049: III. Presto
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duration: PT4M34S
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by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
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genre: classical
genre: classical-piano
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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: Concerto No. 4 in G Major, BWV 1049: III. Presto
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Concerto No. 5 in D Major, BWV 1050: I. Allegro
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duration: PT9M47S
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by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
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genre: classical
genre: classical-piano
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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: 2026-07-08T03:53:27Z
audio: Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Concerto No. 5 in D Major, BWV 1050: III. Allegro
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duration: PT5M11S
duration ms: 311720
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by artist: Johann Sebastian Bach
by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
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genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Concerto No. 5 in D Major, BWV 1050: III. Allegro
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Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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by artist: Musica Amphion
by artist: Pieter-Jan Belder
in album: J.S. Bach: Complete Edition, Vol. 1/10
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genre: classical
genre: classical-piano
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additional property: CopyrightID
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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: Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Orchestral Suite No. 1 in C Major, BWV 1066: I. Ouverture
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genre: classical
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additional property: CopyrightID
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Orchestral Suite No. 1 in C Major, BWV 1066: I. Ouverture
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Orchestral Suite No. 2 in B Minor, BWV 1067: II. Rondeau
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by artist: Ludwig Güttler
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: II. Rondeau
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Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrée No. 1 - Bourrée No. 2
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by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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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: Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrée No. 1 - Bourrée No. 2
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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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: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
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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: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Violin Concerto in E Major, BWV 1042: I. Allegro
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by artist: Amsterdam Bach Soloists
by artist: Henk Rubingh
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genre: classical
genre: classical-piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Violin Concerto in E Major, BWV 1042: I. Allegro
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Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)
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by artist: Amsterdam Bach Soloists
by artist: Henk Rubingh
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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: Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)
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99 Must-Own Classical Music Collection
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date published: 2013-07-30
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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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track: L'Élisir d'Amore
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Baroque Violin Concertos
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Michala Petri Plays Bach & Telemann
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track: Concerto for 2 Violins in A Minor, RV 522: I. Allegro
track: Concerto for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
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Concerto for 4 Violins in B-Flat Major, RV 553: I. Allegro
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Concerto for 4 Violins in B-Flat Major, RV 553: II. Largo
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Concerto for 2 Violins in A Minor, RV 522: I. Allegro
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Concerto for 2 Violins in A Minor, RV 522: II. Larghetto e spirituoso
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Cello Concerto in G Major, RV 413: II. Largo
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Concerto in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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Concerto in B Minor, Op. 3 No. 10, RV 580: III. Allegro
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Concerto for Strings in G Minor, RV 156: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Concerto for Strings in G Minor, RV 156: I. Allegro
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Bach, J.S.: Dialogue Cantatas
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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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  additional property: OTSVerifyInstructions
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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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track: Concerto for 2 Violins, Strings and Basso Continuo in A Major, TWV 52:A2: II. Largo
track: Sinfonia melodica for 2 Oboes, Strings and Basso Continuo in C Major, TWV 50:2: VI. Chaconnette
track: Sinfonia melodica for 2 Oboes, Strings and Basso Continuo in C Major, TWV 50:2: VII. Gigue en Canarie. Très vite

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

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Sonata (Concerto ripieno) for Strings and Basso Continuo in E Flat Major, TWV 43:Es1: I. Largo
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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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Concerto for 2 Violins, Strings and Basso Continuo in A Major, TWV 52:A2: II. Largo
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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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Sinfonia melodica for 2 Oboes, Strings and Basso Continuo in C Major, TWV 50:2: VI. Chaconnette
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subject of: OpenTimestamps Proof of Existence
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track: Telemann: Flute Concerto in D Major, TWV 51:D2: I. Moderato
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  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203049
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x4a168479ee23f4896d4dc902365a29f5dc1687b17a1ac99067cbb0225f001774. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC0203049.
  date published: 2026-07-02T05:09:12Z
audio: Telemann: Tafelmusik, Pt. 1, Concerto for Flute, Violin and Cello in A Major, TWV 53:A2: IV. Allegro
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    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
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.635
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.388
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: I. Lentement
type: MusicRecording
duration: PT2M41S
duration ms: 161586
explicit: false
by artist: Georg Philipp Telemann
by artist: Emmanuel Pahud
by artist: Berliner Barock Solisten
by artist: Jacques Zoon
by artist: Klaus Stoll
by artist: Rainer Kussmaul
in album: Telemann: Flute Concertos
  type: MusicAlbum
  date published: 2002-01-01
isrc code: GBAYC0203051
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:28:29+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xfa2d98e5ae9ca6b30124022626f9eda7b6d0e5d9fb2ed173878441cec4e94b3a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203051
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0xfa2d98e5ae9ca6b30124022626f9eda7b6d0e5d9fb2ed173878441cec4e94b3a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC0203051.
  date published: 2026-07-02T05:09:12Z
audio: Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: I. Lentement
  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
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.294
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: II. —
type: MusicRecording
duration: PT2M42S
duration ms: 162626
explicit: false
by artist: Georg Philipp Telemann
by artist: Emmanuel Pahud
by artist: Berliner Barock Solisten
by artist: Jacques Zoon
by artist: Klaus Stoll
by artist: Rainer Kussmaul
in album: Telemann: Flute Concertos
  type: MusicAlbum
  date published: 2002-01-01
isrc code: GBAYC0203052
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x3bb0d94e388a45daa1033d18dac4a5a951839c1ea596ba564b4d8587c1de5e11
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203052
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x3bb0d94e388a45daa1033d18dac4a5a951839c1ea596ba564b4d8587c1de5e11. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC0203052.
  date published: 2026-07-02T05:09:12Z
audio: Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: II. —
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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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
    value: -23.349
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: III. Loure
type: MusicRecording
duration: PT1M13S
duration ms: 73080
explicit: false
by artist: Georg Philipp Telemann
by artist: Emmanuel Pahud
by artist: Berliner Barock Solisten
by artist: Jacques Zoon
by artist: Klaus Stoll
by artist: Rainer Kussmaul
in album: Telemann: Flute Concertos
  type: MusicAlbum
  date published: 2002-01-01
isrc code: GBAYC0203053
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T00:18:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdaf8069de41641dc9a507c95103edb9bc730379a2d349139254bf05742c85bf0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203053
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0xdaf8069de41641dc9a507c95103edb9bc730379a2d349139254bf05742c85bf0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC0203053.
  date published: 2026-07-02T05:09:12Z
audio: Telemann: Concerto for 2 Flutes and Violone in A Minor, TWV 53:a1: III. Loure
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.546
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.417
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.05
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.383
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.757
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: I. Andante
type: MusicRecording
duration: PT3M27S
duration ms: 207640
explicit: false
by artist: Georg Philipp Telemann
by artist: Emmanuel Pahud
by artist: Albrecht Mayer
by artist: Berliner Barock Solisten
by artist: Wolfram Christ
by artist: Rainer Kussmaul
in album: Telemann: Flute Concertos
  type: MusicAlbum
  date published: 2002-01-01
isrc code: GBAYC0203056
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T03:38:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84224147afe27b86ba6c9379888f7f32de141f9072910262dfbe94c68432991a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203056
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84224147afe27b86ba6c9379888f7f32de141f9072910262dfbe94c68432991a. 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/GBAYC0203056.
  date published: 2026-07-02T03:55:08Z
audio: Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: I. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.273
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.035
  additional property: Liveness
    type: PropertyValue
    value: 0.196
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.458
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: II. Allegro
type: MusicRecording
duration: PT5M9S
duration ms: 309373
explicit: false
by artist: Georg Philipp Telemann
by artist: Emmanuel Pahud
by artist: Albrecht Mayer
by artist: Berliner Barock Solisten
by artist: Wolfram Christ
by artist: Rainer Kussmaul
in album: Telemann: Flute Concertos
  type: MusicAlbum
  date published: 2002-01-01
isrc code: GBAYC0203057
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:28:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b9644d9b9943861d8e102fcedb440ef3c953202c1a91c30bda8b87e560b1454
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203057
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x2b9644d9b9943861d8e102fcedb440ef3c953202c1a91c30bda8b87e560b1454. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC0203057.
  date published: 2026-07-02T05:09:12Z
audio: Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.824
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.553
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.607
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.731
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: III. Siciliano
type: MusicRecording
duration: PT3M2S
duration ms: 182986
explicit: false
by artist: Georg Philipp Telemann
by artist: Emmanuel Pahud
by artist: Albrecht Mayer
by artist: Berliner Barock Solisten
by artist: Wolfram Christ
by artist: Rainer Kussmaul
in album: Telemann: Flute Concertos
  type: MusicAlbum
  date published: 2002-01-01
isrc code: GBAYC0203058
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203058
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0xf33d50a0684a72a0ff557b27a4aa08c3c406dd93fefee7f136d6b817b53ed2de. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC0203058.
  date published: 2026-07-02T05:09:12Z
audio: Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: III. Siciliano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.837
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.191
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.098
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  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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Telemann: Concerto for Flute, Oboe d'amore and Viola d'amore in E Major, TWV 53:E1: IV. Vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
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Telemann: Flute Concerto in D Major, TWV 51:D2: I. Moderato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
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  date published: 2026-07-02T11:38:34Z
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Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
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    date published: 2026-07-02T03:55:08Z
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    date published: 2026-07-02T03:55:08Z
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track: Bach, JS: Flute Partita in A Minor, BWV 1013: I. Allemande
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Bach, JS: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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Bach, JS: Trio Sonata in G Major, BWV 1038: I. Largo
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3300d346f4751068e19352938a860ac1584765a73252055e0e1f284e7dc93f05. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC0002938.
  date published: 2026-07-02T11:34:59Z
audio: Bach, JS: Trio Sonata in G Major, BWV 1038: I. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.455
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.133
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.84
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.18
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.809
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Flute Partita in A Minor, BWV 1013: I. Allemande
type: MusicRecording
duration: PT3M41S
duration ms: 221973
explicit: false
by artist: Johann Sebastian Bach
by artist: Emmanuel Pahud
in album: Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
  type: MusicAlbum
  date published: 2001-01-15
genre: classical
genre: classical-piano
isrc code: GBAYC0002943
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:06:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc059fbf5993ba752c4743cd481d4fafbf95bb0c795f484b30904cdb1988aff85
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002943
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0xc059fbf5993ba752c4743cd481d4fafbf95bb0c795f484b30904cdb1988aff85. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002943.
  date published: 2026-06-13T15:41:10Z
audio: Bach, JS: Flute Partita in A Minor, BWV 1013: I. Allemande
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.889
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.441
  additional property: Energy
    type: PropertyValue
    value: 0.052
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.809
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.97
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.708
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Flute Partita in A Minor, BWV 1013: II. Courante
type: MusicRecording
duration: PT2M42S
duration ms: 162973
explicit: false
by artist: Johann Sebastian Bach
by artist: Emmanuel Pahud
in album: Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
  type: MusicAlbum
  date published: 2001-01-15
genre: classical
genre: classical-piano
isrc code: GBAYC0002944
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:25:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc7de02e988e8713d8097aa77d5bb2f4ada6f37ffe03de45df176e4cbc61122c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002944
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7de02e988e8713d8097aa77d5bb2f4ada6f37ffe03de45df176e4cbc61122c3. 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/GBAYC0002944.
  date published: 2026-07-02T03:55:08Z
audio: Bach, JS: Flute Partita in A Minor, BWV 1013: II. Courante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.049
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.802
  additional property: Liveness
    type: PropertyValue
    value: 0.062
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.95
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.11
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Flute Partita in A Minor, BWV 1013: III. Sarabande
type: MusicRecording
duration: PT3M37S
duration ms: 217373
explicit: false
by artist: Johann Sebastian Bach
by artist: Emmanuel Pahud
in album: Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
  type: MusicAlbum
  date published: 2001-01-15
genre: classical
genre: classical-piano
isrc code: GBAYC0002945
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T08:28:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10617f6c8f8b3395951cd1a3ed5b2f103570e9f4f9d57906d5ea573f5e7fa4f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002945
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x10617f6c8f8b3395951cd1a3ed5b2f103570e9f4f9d57906d5ea573f5e7fa4f7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC0002945.
  date published: 2026-07-02T05:09:12Z
audio: Bach, JS: Flute Partita in A Minor, BWV 1013: III. Sarabande
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.687
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.246
  additional property: Energy
    type: PropertyValue
    value: 0.012
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.714
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.459
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.337
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: I. Ouverture
type: MusicRecording
duration: PT6M34S
duration ms: 394466
explicit: false
by artist: Johann Sebastian Bach
by artist: Emmanuel Pahud
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
  type: MusicAlbum
  date published: 2001-01-15
genre: classical
genre: classical-piano
isrc code: GBAYC0002948
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T04:44:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e6f0fee3181a6c44dafe592b7f01c32e3405cdb79996a723f541f06956954cb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956862
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956862
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002948
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T02:10:22Z
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 0x8e6f0fee3181a6c44dafe592b7f01c32e3405cdb79996a723f541f06956954cb. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/GBAYC0002948.
  date published: 2026-07-06T02:10:22Z
audio: Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: I. Ouverture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.238
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.343
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.936
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.114
  additional property: Liveness
    type: PropertyValue
    value: 0.322
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.39
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.931
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: III. Sarabande
type: MusicRecording
duration: PT2M33S
duration ms: 153826
explicit: false
by artist: Johann Sebastian Bach
by artist: Emmanuel Pahud
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
  type: MusicAlbum
  date published: 2001-01-15
genre: classical
genre: classical-piano
isrc code: GBAYC0002950
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:13:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x209cbc54df9939cceb2587f1d83d594b6f4b94b3d6a82f03d4085231ee73cba3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002950
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x209cbc54df9939cceb2587f1d83d594b6f4b94b3d6a82f03d4085231ee73cba3. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002950.
  date published: 2026-07-06T07:16:32Z
audio: Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: III. Sarabande
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.991
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.139
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.113
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.23
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrées I & II
type: MusicRecording
duration: PT2M7S
duration ms: 127640
explicit: false
by artist: Johann Sebastian Bach
by artist: Emmanuel Pahud
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
  type: MusicAlbum
  date published: 2001-01-15
genre: classical
genre: classical-piano
isrc code: GBAYC0002951
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T10:01:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x231947f2202d78bfe667be95e9a43e507c87ded73331d46c5ada13132a4dceb9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0002951
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x231947f2202d78bfe667be95e9a43e507c87ded73331d46c5ada13132a4dceb9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYC0002951.
  date published: 2026-07-02T05:09:12Z
audio: Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrées I & II
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.913
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.413
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.448
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.772
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.935
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Orchestral Suite No. 2 in B Minor, BWV 1067: V. Polonaise & Double
type: MusicRecording
duration: PT3M59S
duration ms: 239266
explicit: false
by artist: Johann Sebastian Bach
by artist: Emmanuel Pahud
by artist: Berliner Barock Solisten
by artist: Rainer Kussmaul
in album: Bach: Brandenburg Concerto No. 5 - Orchestral Suite No. 2 - Trio Sonata - Partita
  type: MusicAlbum
  date published: 2001-01-15
genre: classical
genre: classical-piano
isrc code: GBAYC0002952
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T00:14:28+00:00
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Peer Gynt Suite No.1, Op. 46: Morning Mood
track: Song of a Black Swan
track: Piano Sonata No. 11 in A Major, K. 331/300i: III. Alla Turca
track: Pictures at an Exhibition: Ballet of the Unhatched Chicks
track: The Four Seasons - Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
track: Le Onde
track: Geschichte Teil 4
track: Song Without Words, Op. 109
track: Carnival of the Animals, R. 125: Fossils
track: Geschichte Teil 16
track: The Nutcracker Suite, Op.71a: Waltz of the Flowers
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
track: Bagatelle in A Minor, WoO 59, "Albumblatt für Elise"
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track: Geschichte Teil 19
track: Má vlast, JB 1:112: II. Vltava, "The Moldau"
track: The Sorcerer's Apprentice
track: Geschichte Teil 9
track: Geschichte Teil 20
track: Geschichte Teil 10
track: Geschichte Teil 21
track: Liebestraum, S. 541, No. 3
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track: Geschichte Teil 22
track: Palladio: I. Allegretto
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T16:51:38Z

Geschichte Teil 1
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Peer Gynt Suite No.1, Op. 46: Morning Mood
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Song of a Black Swan
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by artist: Maximilian Hornung
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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: Song of a Black Swan
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Piano Sonata No. 11 in A Major, K. 331/300i: III. Alla Turca
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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: Piano Sonata No. 11 in A Major, K. 331/300i: III. Alla Turca
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Pictures at an Exhibition: Ballet of the Unhatched Chicks
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by artist: Evgeny Kissin
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genre: late-romantic-era
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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: Pictures at an Exhibition: Ballet of the Unhatched Chicks
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The Four Seasons - Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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by artist: Joshua Bell
by artist: Academy of St. Martin in the Fields
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: The Four Seasons - Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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Le Onde
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by artist: John Lenehan
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Le Onde
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Le Onde
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by artist: John Lenehan
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Le Onde
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Geschichte Teil 4
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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audio: Geschichte Teil 4
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Song Without Words, Op. 109
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Carnival of the Animals, R. 125: Fossils
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Geschichte Teil 16
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The Nutcracker Suite, Op.71a: Waltz of the Flowers
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Bagatelle in A Minor, WoO 59, "Albumblatt für Elise"
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Canon in D Major for Strings and Continuo
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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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Allegro assai - excerpt
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duration: PT3M38S
duration ms: 218986
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by artist: Giuseppe Tartini
by artist: Ray Chen
in album: Kinder Klassik
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  date published: 2011-10-28
genre: classical
genre: baroque
genre: italian-baroque
isrc code: USSM11105676
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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
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04e5759a49c28f00636fa6f55f1548053db3bbc8750aa6dbec241a98af090531. 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/USSM11105676.
  date published: 2026-07-08T03:20:19Z
audio: Allegro assai - excerpt
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  additional property: Energy
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Geschichte Teil 19
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duration: PT2M32S
duration ms: 152253
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by artist: Niels Kaiser
in album: Kinder Klassik
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  date published: 2011-10-28
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/DEE861101631
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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 0xb7e3c7e2a85006b7948dcdf9012cbcfa4c18b41ed3d9891563710c3cb7428a18. 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/DEE861101631.
  date published: 2026-07-08T08:56:20Z
audio: Geschichte Teil 19
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  additional property: Energy
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  additional property: Speechiness
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Má vlast, JB 1:112: II. Vltava, "The Moldau"
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duration: PT2M57S
duration ms: 177773
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by artist: Bedřich Smetana
by artist: Gustav Kuhn
by artist: Bamberg Symphony
in album: Kinder Klassik
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genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479000160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9864e40f4cae774a638f0368162bcee9345b5b16c38c61b5181cb2a0c0f9cd7. 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/DEE479000160.
  date published: 2026-07-07T18:39:05Z
audio: Má vlast, JB 1:112: II. Vltava, "The Moldau"
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The Sorcerer's Apprentice
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duration: PT10M26S
duration ms: 626626
explicit: false
by artist: Paul Dukas
by artist: Charles Münch
by artist: Boston Symphony Orchestra
in album: Kinder Klassik
  type: MusicAlbum
  date published: 2011-10-28
isrc code: USBC19710176
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/USBC19710176
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4c4253f71522d1aeff1da8344f7b5b851675dd732c8f2b78f310a4c7a64e66. 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/USBC19710176.
  date published: 2026-07-08T03:20:19Z
audio: The Sorcerer's Apprentice
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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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: Valence (Positivity)
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Geschichte Teil 9
type: MusicRecording
duration: PT1M33S
duration ms: 93626
explicit: false
by artist: Niels Kaiser
in album: Kinder Klassik
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  date published: 2011-10-28
isrc code: DEE861101621
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE861101621
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4be90adb60941409dec59d6154ed942c98f2686e80a3ae005f76f52e41e2b286. 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/DEE861101621.
  date published: 2026-07-07T18:39:05Z
audio: Geschichte Teil 9
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Geschichte Teil 20
type: MusicRecording
duration: PT1M37S
duration ms: 97293
explicit: false
by artist: Niels Kaiser
in album: Kinder Klassik
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  date published: 2011-10-28
isrc code: DEE861101632
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
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Geschichte Teil 20
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Geschichte Teil 10
type: MusicRecording
duration: PT1M8S
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by artist: Niels Kaiser
in album: Kinder Klassik
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  date published: 2011-10-28
isrc code: DEE861101622
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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
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Geschichte Teil 10
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Geschichte Teil 21
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subject of: OpenTimestamps Proof of Existence
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Liebestraum, S. 541, No. 3
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Geschichte Teil 11
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Geschichte Teil 22
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Palladio: I. Allegretto
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Geschichte Teil 23
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Haydn: Complete Violin Concertos
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Abendmusik auf Schloß Langenburg
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Viotti: Violin Concertos Nos. 19 & 22
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The 50 Most Essential Vivaldi Masterpieces
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    date published: 2026-07-08T03:22:41Z
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    date published: 2026-07-08T03:22:41Z
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track: The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 2 in G Minor, RV 315, "Summer" (L'estate): I. Allegro non molto - Allegro
track: The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 2 in G Minor, RV 315, "Summer" (L'estate): II. Adagio - Presto - Adagio
track: The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 3 in F Major, RV 293, "Autumn" (L'autunno): I. Ballo e canto de villanelli: Allegro
track: The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 4 in F Minor, RV 297, "Winter" (L'inverno): II. Largo
track: The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 4 in F Minor, RV 297, "Winter" (L'inverno): III. Allegro
track: Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 443: II. Largo
track: Concerto in G Minor for Two Cellos and Strings, RV 531: I. Allegro
track: Sinfonia in C Major for Strings, RV 116: I. Allegro
track: L'Estro Armonico, Op. 3 - Concerto No. 9 in D Major for Violin and Strings, RV 230: I. Allegro
track: Concerto in E-Flat Major for Violin and Strings, RV 256, "Il Ritiro": I. Allegro assai
track: L'Estro Armonico, Op. 3 - Concerto No. 10 in B Minor for 4 Violins, Cello and Strings, RV 580: I. Allegro
track: Concerto in G Major for Cello and Orchestra, RV 415: I. Allegro
track: Concerto in G Minor for Two Cellos and Strings, RV 531: II. Largo
track: L'Estro Armonico, Op. 3 - Concerto No. 11 in D Minor for 2 Violins, Cello and Strings, RV 565: I. Allegro - Adagio e spiccato - Allegro
track: Concerto No. 7 in D Major for Cello and Orchestra, RV 404: II. Andante e spirituoso

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 1 in E Major, RV 269, "Spring" (La primavera): III. Danza pastorale: Allegro
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The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 2 in G Minor, RV 315, "Summer" (L'estate): I. Allegro non molto - Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 2 in G Minor, RV 315, "Summer" (L'estate): I. Allegro non molto - Allegro
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The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 2 in G Minor, RV 315, "Summer" (L'estate): II. Adagio - Presto - Adagio
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subject of: OpenTimestamps Proof of Existence
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The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 3 in F Major, RV 293, "Autumn" (L'autunno): I. Ballo e canto de villanelli: Allegro
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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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The Four Seasons (Le quattro stagioni), Op. 8 - Violin Concerto No. 4 in F Minor, RV 297, "Winter" (L'inverno): III. Allegro
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Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 443: II. Largo
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Concerto in G Minor for Two Cellos and Strings, RV 531: I. Allegro
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Sinfonia in C Major for Strings, RV 116: I. Allegro
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L'Estro Armonico, Op. 3 - Concerto No. 9 in D Major for Violin and Strings, RV 230: I. Allegro
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Concerto in E-Flat Major for Violin and Strings, RV 256, "Il Ritiro": I. Allegro assai
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L'Estro Armonico, Op. 3 - Concerto No. 10 in B Minor for 4 Violins, Cello and Strings, RV 580: I. Allegro
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Concerto in G Major for Cello and Orchestra, RV 415: I. Allegro
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Concerto in G Minor for Two Cellos and Strings, RV 531: II. Largo
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L'Estro Armonico, Op. 3 - Concerto No. 11 in D Minor for 2 Violins, Cello and Strings, RV 565: I. Allegro - Adagio e spiccato - Allegro
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  date published: 2026-07-08T03:53:27Z
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Concerto No. 7 in D Major for Cello and Orchestra, RV 404: II. Andante e spirituoso
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