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genre: classical
description: Rainer Zepperitz (August 25, 1930 - December 23, 2009) was a German double bassist. Background Zepperitz was born in Bandung, Java. In his childhood he first learned the violin before moving to the
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subject of: OpenTimestamps Proof of Existence
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    by artist: Wolfgang Amadeus Mozart
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-29T14:28:24Z
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album: Berliner Philharmoniker - The Christmas Album
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album: Christmas Adagio - Herbert von Karajan
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:20:38Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T15:38:35Z
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String Quartet No. 14 in D Minor, D.810 -"Death and the Maiden": II. Andante con moto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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String Quartet No. 14 in D Minor, D.810 -"Death and the Maiden": III. Scherzo (Allegro molto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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String Quartet No. 14 in D Minor, D.810 -"Death and the Maiden": IV. Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T04:14:58Z
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Schöenberg & Strauss: Music for Strings
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Mozart 111 Vol. 1
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a26b21164510da3f106242d0fa829edc2e94716b3fdb1fc8956cb84ac5dd212. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/DEF054202042.
    date published: 2026-07-31T21:25:57Z
  audio: Symphony No. 35 in D Major, K. 385 "Haffner": II. Andante
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 103.354
    additional property: Musical Key
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      value: 7
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.281
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.925
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.782
    additional property: Liveness
      type: PropertyValue
      value: 0.615
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.084
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Symphony No. 35 in D Major, K. 385 "Haffner": III. Menuetto
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194226
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Orchestra Sinfonica della RAI de Torino
  by artist: Herbert von Karajan
  by artist: Orchestra Sinfonica Di Torino Della Rai
  in album: Karajan A-Z: Mozart
  popularity: 9
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: DEF054202043
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 35 in D Major, K. 385 "Haffner": III. Menuetto
track: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
track: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
track: Symphony No. 29 in A Major, K. 201: I. Allegro moderato
track: Symphony No. 29 in A Major, K. 201: II. Andante
track: Symphony No. 40 in G Minor, K. 550: I. Molto allegro
track: Symphony No. 32 in G Major, K. 318: I. Allegro spiritoso
track: Symphony No. 32 in G Major, K. 318: II. Andante
track: Symphony No. 32 in G Major, K. 318: III. Tempo I

Karajan A-Z: Mozart
type: MusicAlbum
date published: 2024-07-12

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T19:48:56+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xca54b7bbe721fb6d6fe431fcf32e853ac52d18debfe1f248461cd9856dc5a9cb

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960456

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960456

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202043

OTSTimestamp
type: PropertyValue
value: 2026-07-31T19:53:57Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca54b7bbe721fb6d6fe431fcf32e853ac52d18debfe1f248461cd9856dc5a9cb. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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/DEF054202043.
date published: 2026-07-31T19:53:57Z

Symphony No. 35 in D Major, K. 385 "Haffner": III. Menuetto
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 138.104
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: 0.349
additional property: Energy
  type: PropertyValue
  value: 0.007
additional property: Speechiness
  type: PropertyValue
  value: 0.056
additional property: Acousticness
  type: PropertyValue
  value: 0.976
additional property: Instrumentalness
  type: PropertyValue
  value: 0.431
additional property: Liveness
  type: PropertyValue
  value: 0.632
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.366
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.973
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
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  value: Major

Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
type: MusicRecording
duration: PT6M18S
duration ms: 378466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Orchestra Sinfonica della RAI de Torino
by artist: Herbert von Karajan
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 10
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF054202051
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:35:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd04ebfe5f4b8e1b98dc59149dad4da73ddfba2d233f6c12a16967a8120f3a260
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202051
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04ebfe5f4b8e1b98dc59149dad4da73ddfba2d233f6c12a16967a8120f3a260. 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/DEF054202051.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.149
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.316
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.225
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.65
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
type: MusicRecording
duration: PT8M2S
duration ms: 482200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Orchestra Sinfonica della RAI de Torino
by artist: Herbert von Karajan
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 8
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF054202052
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:42:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4fd0373d25a020491e11b87b729f94c32e1762ddfb67023f030d434120c1323b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202052
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd0373d25a020491e11b87b729f94c32e1762ddfb67023f030d434120c1323b. 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/DEF054202052.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.027
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.287
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.158
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.245
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 29 in A Major, K. 201: I. Allegro moderato
type: MusicRecording
duration: PT7M5S
duration ms: 425333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 7
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF056500841
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:30:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8522e84ce702f62f2893197666045115901e571649d782570c872ce06260bc7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500841
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8522e84ce702f62f2893197666045115901e571649d782570c872ce06260bc7d. 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/DEF056500841.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 29 in A Major, K. 201: I. Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.431
  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: 0.33
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.901
  additional property: Liveness
    type: PropertyValue
    value: 0.254
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.349
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.043
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 29 in A Major, K. 201: II. Andante
type: MusicRecording
duration: PT5M58S
duration ms: 358600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 6
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF056500842
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:25:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7292999b6d9c0d6f50863076291214bd86e7e24703d429a63aab1f953f5ec8cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500842
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7292999b6d9c0d6f50863076291214bd86e7e24703d429a63aab1f953f5ec8cc. 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/DEF056500842.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 29 in A Major, K. 201: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.857
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.118
  additional property: Energy
    type: PropertyValue
    value: 0.035
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.785
  additional property: Liveness
    type: PropertyValue
    value: 0.34
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.519
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 40 in G Minor, K. 550: I. Molto allegro
type: MusicRecording
duration: PT7M46S
duration ms: 466160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 7
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBF076010131
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e609f0c6cab55eb2995a8fd6a458706e620360b086221e354d1236ae57d879a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960344
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076010131
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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Symphony No. 32 in G Major, K. 318: I. Allegro spiritoso
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Symphony No. 32 in G Major, K. 318: II. Andante
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Symphony No. 32 in G Major, K. 318: III. Tempo I
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Mozart: Wind Concertos and Serenades
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track: Sinfonia concertante in E-Flat Major, K. 297b: I. Allegro
track: Clarinet Concerto in A Major, K. 622: II. Adagio
track: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
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track: Flute Concerto in G Major, K. 313: I. Allegro maestoso
track: Oboe Concerto in C Major, K. 314: I. Allegro aperto
track: Flute Concerto in G Major, K. 313: II. Adagio non troppo
track: Oboe Concerto in C Major, K. 314: II. Adagio ma non troppo
track: Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo. Allegro
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track: Serenade in B-Flat Major, K. 361 "Gran partita": III. Adagio
track: Bassoon Concerto in B-Flat Major, K. 191: I. Allegro
track: Serenade in E flat, K.375: 1. Allegro maestoso
track: Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio (Cadenza: Zeman)
track: Serenade in E flat, K.375: 2. Menuetto
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track: Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro maestoso
track: Serenade in E flat, K.375: 4. Menuetto
track: Serenade in E flat, K.375: 5. Finale (Allegro)
track: Serenade for Winds in C Minor, K. 388: I. Allegro

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a30bace2270e637cb7afa70770f9087a839678c3e98cb1e1d611b29659cd8a. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEF057901321.
date published: 2026-07-31T18:48:12Z

Horn Concerto No. 1 in D Major, K. 412: I. Allegro
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 125.434
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.402
additional property: Energy
  type: PropertyValue
  value: 0.195
additional property: Speechiness
  type: PropertyValue
  value: 0.035
additional property: Acousticness
  type: PropertyValue
  value: 0.973
additional property: Instrumentalness
  type: PropertyValue
  value: 0.945
additional property: Liveness
  type: PropertyValue
  value: 0.087
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.541
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.758
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Sinfonia concertante in E-Flat Major, K. 297b: I. Allegro
type: MusicRecording
duration: PT14M0S
duration ms: 840746
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Walter Lehmayer
by artist: Peter Schmidl
by artist: Günter Högner
by artist: Fritz Faltl
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057501202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:24:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde6b61a66949940264c56098e8c453065202fa036bf7a780ef6825e27a99b9c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501202
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6b61a66949940264c56098e8c453065202fa036bf7a780ef6825e27a99b9c1. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/DEF057501202.
  date published: 2026-07-31T19:53:13Z
audio: Sinfonia concertante in E-Flat Major, K. 297b: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.635
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.404
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.913
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.801
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Clarinet Concerto in A Major, K. 622: II. Adagio
type: MusicRecording
duration: PT8M9S
duration ms: 489000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alfred Prinz
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057200391
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T22:42:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddab978eb8cb904bf5138b05f50d06579e9df6c4106d441d34f7fb2c20c03185
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057200391
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddab978eb8cb904bf5138b05f50d06579e9df6c4106d441d34f7fb2c20c03185. 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/DEF057200391.
  date published: 2026-07-08T03:20:19Z
audio: Clarinet Concerto in A Major, K. 622: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.92
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.104
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.381
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.046
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.875
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
type: MusicRecording
duration: PT9M11S
duration ms: 551746
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Carl Reinecke
by artist: Wolfgang Schulz
by artist: Nicanor Zabaleta
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057501191
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T15:29:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79341e9ef9141df574072f01884451cbc3f1b280b14dde70b4c63029beed87ae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501191
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79341e9ef9141df574072f01884451cbc3f1b280b14dde70b4c63029beed87ae. 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/DEF057501191.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.09
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.288
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.913
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.812
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio
type: MusicRecording
duration: PT10M2S
duration ms: 602320
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Walter Lehmayer
by artist: Peter Schmidl
by artist: Günter Högner
by artist: Fritz Faltl
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057501203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:07:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa5118476d521aa8ddb6d815691edac1d007674c3ce2fe1867e3fc04ba011499b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960389
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960389
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501203
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:20:10Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5118476d521aa8ddb6d815691edac1d007674c3ce2fe1867e3fc04ba011499b. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/DEF057501203.
  date published: 2026-07-31T10:20:10Z
audio: Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.189
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.134
  additional property: Energy
    type: PropertyValue
    value: 0.025
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.89
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.649
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Clarinet Concerto in A Major, K. 622: III. Rondo. Allegro
type: MusicRecording
duration: PT9M34S
duration ms: 574000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alfred Prinz
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057200393
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:12:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c10e80148ea83aac14547e36fb01f9244d7f8ac2bf5c338e8f243f91c0e7ce7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960291
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960291
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057200393
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c10e80148ea83aac14547e36fb01f9244d7f8ac2bf5c338e8f243f91c0e7ce7. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057200393.
  date published: 2026-07-30T18:23:33Z
audio: Clarinet Concerto in A Major, K. 622: III. Rondo. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.105
  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: 0.353
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.684
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.317
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.207
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazione
type: MusicRecording
duration: PT9M3S
duration ms: 543080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Walter Lehmayer
by artist: Peter Schmidl
by artist: Günter Högner
by artist: Fritz Faltl
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057501201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:03:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0efeb0e5020ac136d51f3349408d59efa82e2a8089677ce715ae79b3fc03f8f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501201
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0efeb0e5020ac136d51f3349408d59efa82e2a8089677ce715ae79b3fc03f8f6. 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/DEF057501201.
  date published: 2026-07-08T03:20:19Z
audio: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazione
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.133
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.434
  additional property: Energy
    type: PropertyValue
    value: 0.127
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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Flute Concerto in G Major, K. 313: I. Allegro maestoso
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Oboe Concerto in C Major, K. 314: I. Allegro aperto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T20:35:49Z
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Flute Concerto in G Major, K. 313: II. Adagio non troppo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Oboe Concerto in C Major, K. 314: II. Adagio ma non troppo
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subject of: OpenTimestamps Proof of Existence
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Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo. Allegro
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Flute Concerto in G Major, K. 313: III. Rondo. Tempo di menuetto
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subject of: OpenTimestamps Proof of Existence
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Oboe Concerto in C Major, K. 314: III. Rondo (Allegretto)
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d09dfe186bb8d5b7c39252b299b093ab6ae083d359b2d0930007379ffc9e360. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401533.
  date published: 2026-07-31T13:50:38Z
audio: Oboe Concerto in C Major, K. 314: III. Rondo (Allegretto)
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  additional property: Tempo (BPM)
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  additional property: Valence (Positivity)
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Horn Concerto No. 3 in E-Flat Major, K. 447: I. Allegro
type: MusicRecording
duration: PT6M56S
duration ms: 416080
explicit: false
by artist: Günter Högner
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
isrc code: DEF057802141
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-04T04:18:40+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xb4034a79a399cf945be4c59d0020a3565d0a62b177ce4ff44edc8b1301cf7e17
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057802141
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4034a79a399cf945be4c59d0020a3565d0a62b177ce4ff44edc8b1301cf7e17. 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/DEF057802141.
  date published: 2026-07-08T03:20:19Z
audio: Horn Concerto No. 3 in E-Flat Major, K. 447: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 130.971
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    value: 3
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Serenade in B-Flat Major, K. 361 "Gran partita": III. Adagio
type: MusicRecording
duration: PT5M52S
duration ms: 352626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berlin Philharmonic Wind Ensemble
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057002935
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:59:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x16002bc6d6e03661f6220d1f92b1039dda232d4b6adff08cc5d18d2c15f0881e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057002935
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16002bc6d6e03661f6220d1f92b1039dda232d4b6adff08cc5d18d2c15f0881e. 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/DEF057002935.
  date published: 2026-07-08T03:20:19Z
audio: Serenade in B-Flat Major, K. 361 "Gran partita": III. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 93.845
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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    value: 1
  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
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  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  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: -28.074
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
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Bassoon Concerto in B-Flat Major, K. 191: I. Allegro
type: MusicRecording
duration: PT7M11S
duration ms: 431000
explicit: false
by artist: Dietmar Zeman
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical-bassoon
isrc code: DEF057300843
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T21:20:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec364c615293606a7b384068f9fc17fe4b8a362cc88e8815dd43240e42d17f21
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960317
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057300843
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:35:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec364c615293606a7b384068f9fc17fe4b8a362cc88e8815dd43240e42d17f21. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/DEF057300843.
  date published: 2026-07-30T21:35:24Z
audio: Bassoon Concerto in B-Flat Major, K. 191: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 128.886
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.383
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.944
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Serenade in E flat, K.375: 1. Allegro maestoso
type: MusicRecording
duration: PT7M52S
duration ms: 472386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bläservereinigung der Wiener Philharmoniker
by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057303461
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T21:33:56+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057303461
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77606e72718bb6e62270bd150b7bcbdb274b04ab45c37aea5b93599f070232f8. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/DEF057303461.
  date published: 2026-07-30T22:27:30Z
audio: Serenade in E flat, K.375: 1. Allegro maestoso
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.313
  additional property: Energy
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    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.921
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.09
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.478
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio (Cadenza: Zeman)
type: MusicRecording
duration: PT7M39S
duration ms: 459000
explicit: false
by artist: Dietmar Zeman
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical-bassoon
isrc code: DEF057300841
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T22:43:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34947389ef31f4e2418e73c5ef23a862137dd0d1865e020dfba14fe9b7d822b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057300841
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34947389ef31f4e2418e73c5ef23a862137dd0d1865e020dfba14fe9b7d822b2. 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/DEF057300841.
  date published: 2026-07-08T03:20:19Z
audio: Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio (Cadenza: Zeman)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.523
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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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
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Serenade in E flat, K.375: 2. Menuetto
type: MusicRecording
duration: PT4M11S
duration ms: 251586
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bläservereinigung der Wiener Philharmoniker
by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057303462
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:28:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac1915c86d072eb0dd82be66398929ac414bc6956e3aba41d93c088fc69a2935
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057303462
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac1915c86d072eb0dd82be66398929ac414bc6956e3aba41d93c088fc69a2935. 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/DEF057303462.
  date published: 2026-07-08T03:20:19Z
audio: Serenade in E flat, K.375: 2. Menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.281
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  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: 0.948
  additional property: Liveness
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  additional property: Valence (Positivity)
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Bassoon Concerto in B-Flat Major, K. 191: III. Rondo. Tempo di menuetto
type: MusicRecording
duration: PT4M24S
duration ms: 264000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Dietmar Zeman
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057300842
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bassoon Concerto in B-Flat Major, K. 191: III. Rondo. Tempo di menuetto
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Serenade in E flat, K.375: 3. Adagio
type: MusicRecording
duration: PT6M57S
duration ms: 417853
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bläservereinigung der Wiener Philharmoniker
by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Serenade in E flat, K.375: 3. Adagio
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Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro maestoso
type: MusicRecording
duration: PT8M34S
duration ms: 514666
explicit: false
by artist: Günter Högner
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Karl Böhm
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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: Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro maestoso
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Serenade in E flat, K.375: 4. Menuetto
type: MusicRecording
duration: PT2M36S
duration ms: 156173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bläservereinigung der Wiener Philharmoniker
by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057303464
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Serenade in E flat, K.375: 4. Menuetto
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Serenade in E flat, K.375: 5. Finale (Allegro)
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duration: PT3M44S
duration ms: 224586
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bläservereinigung der Wiener Philharmoniker
by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057303465
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: Serenade in E flat, K.375: 5. Finale (Allegro)
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Serenade for Winds in C Minor, K. 388: I. Allegro
type: MusicRecording
duration: PT8M35S
duration ms: 515093
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
by artist: Bläservereinigung der Wiener Philharmoniker
in album: Mozart: Wind Concertos and Serenades
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057303471
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe25725f786840158402c2c274f8f72b3d8556fcfdf2b800c5f7f5b6af7b403a6. 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/DEF057303471.
  date published: 2026-07-08T03:20:19Z
audio: Serenade for Winds in C Minor, K. 388: I. Allegro
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Albinoni: Adagio in G Minor / Pachelbel: Canon
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date published: 1984-01-01
track: Adagio in G Minor "Albinoni's Adagio"
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  by artist: Leon Spierer
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  by artist: Berliner Philharmoniker
  by artist: Herbert von Karajan
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    date published: 1984-01-01
  genre: classical
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  additional property: OTSVerifyInstructions
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    date published: 2026-06-13T12:47:07Z
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track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": I. Largo – II. Fantasmi. Presto
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  by artist: Herbert von Karajan
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  genre: classical
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:53:06Z
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track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": III. Largo – IV. Presto
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  subject of: OpenTimestamps Proof of Existence
  audio: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": III. Largo – IV. Presto
track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
track: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
track: Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
track: Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
track: Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
track: Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
track: Serenata notturna in D Major, K. 239: II. Menuetto – Trio
track: Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro

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

OpenTimestamps Proof of Existence
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date published: 2026-06-13T12:53:06Z

Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": III. Largo – IV. Presto
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Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
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by artist: Andreas Blau
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
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by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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genre: classical
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genre: early-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
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Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9efaba9fce70d761988cd22942fb6edf349c8ce2e4aaaff920e6ebdab51fa4e6. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEF058300612.
  date published: 2026-06-13T12:53:06Z
audio: Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
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duration: PT6M45S
duration ms: 405160
explicit: false
by artist: Christoph Willibald Gluck
by artist: Karlheinz Zoeller
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Albinoni: Adagio in G Minor / Pachelbel: Canon
  type: MusicAlbum
  date published: 1984-01-01
genre: classical
genre: opera
isrc code: DEF058300620
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058300620
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-06-13T12:47:07Z
audio: Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
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Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
type: MusicRecording
duration: PT4M23S
duration ms: 263506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Neithart Resa
by artist: Rainer Zepperitz
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Albinoni: Adagio in G Minor / Pachelbel: Canon
  type: MusicAlbum
  date published: 1984-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058300631
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058300631
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55687501f296372a06d482b629db7f7edb01e43062a88eb176c9e6a00fa296b8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEF058300631.
  date published: 2026-06-13T13:32:09Z
audio: Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
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Serenata notturna in D Major, K. 239: II. Menuetto – Trio
type: MusicRecording
duration: PT4M39S
duration ms: 279600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Neithart Resa
by artist: Rainer Zepperitz
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Albinoni: Adagio in G Minor / Pachelbel: Canon
  type: MusicAlbum
  date published: 1984-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058300632
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058300632
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x020b0e7ac7cd77aaf8b85088054ec0eb2ee854c961a87e5dd0068f0cec7366f3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEF058300632.
  date published: 2026-06-13T13:32:09Z
audio: Serenata notturna in D Major, K. 239: II. Menuetto – Trio
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Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
type: MusicRecording
duration: PT4M49S
duration ms: 289400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Neithart Resa
by artist: Rainer Zepperitz
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Albinoni: Adagio in G Minor / Pachelbel: Canon
  type: MusicAlbum
  date published: 1984-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058300633
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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  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058300633
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8af4c1215769950f52f14184ffa82cf1fab49f4c3c7ba0a6513ef86d5cc03ae. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEF058300633.
  date published: 2026-06-13T13:32:09Z
audio: Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
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Karajan 1980s (Part 3)
type: MusicAlbum
date published: 2014-01-01

Berliner Philharmoniker - The Christmas Album
type: MusicAlbum
date published: 2024-12-05
track: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": I. Vivace – Grave – II. Allegro
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  duration: PT4M31S
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  by artist: Arcangelo Corelli
  by artist: Thomas Brandis
  by artist: Emil Maas
  by artist: Ottomar Borwitzky
  by artist: Waldemar Döling
  by artist: Wolfgang Meyer
  by artist: Berliner Philharmoniker
  by artist: Herbert von Karajan
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    date published: 2024-12-05
  genre: classical
  genre: early-music
  genre: baroque
  genre: italian-baroque
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  additional property: CopyrightID
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:53:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f72b4d947ebfaac2d44cdd5d860c85bfe5a12ba83c2d0ee4161d0f868aaa0b4. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEF057000852.
    date published: 2026-07-06T07:53:57Z
  audio: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": I. Vivace – Grave – II. Allegro
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track: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": III. Adagio – Allegro – Adagio
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  by artist: Ottomar Borwitzky
  by artist: Waldemar Döling
  by artist: Wolfgang Meyer
  by artist: Berliner Philharmoniker
  by artist: Herbert von Karajan
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    date published: 2024-12-05
  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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track: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": V. Allegro –
track: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": VI. Largo. Pastorale
track: Still, weil's Kindlein schlafen will
track: Es ist ein Ros' entsprungen
track: Sonata a 5
track: The Nutcracker, Op. 71, Act I: No. 2, March
track: Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": I. Grave – Vivace – Adagio –
track: Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": II. Largo –
track: Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": III. Vivace
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track: Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": I. Largo (Pastorale per il Santissimo Natale)
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track: Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": III. Allegro
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track: Vesperae solennes de confessore, K. 339: V. Laudate Dominum - Live
track: Mass In C, K.317 "Coronation": 6. Agnus Dei - Live
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track: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964

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Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": VI. Largo. Pastorale
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Still, weil's Kindlein schlafen will
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Es ist ein Ros' entsprungen
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Sonata a 5
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sonata a 5
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The Nutcracker, Op. 71, Act I: No. 2, March
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duration: PT2M29S
duration ms: 149760
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Berliner Philharmoniker
by artist: Semyon Bychkov
in album: Berliner Philharmoniker - The Christmas Album
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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: 2026-07-30T22:27:30Z
audio: The Nutcracker, Op. 71, Act I: No. 2, March
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Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": I. Grave – Vivace – Adagio –
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duration: PT3M49S
duration ms: 229000
explicit: false
by artist: Giuseppe Torelli
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Ottomar Borwitzky
by artist: Wolfgang Meyer
by artist: Waldemar Döling
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Berliner Philharmoniker - The Christmas Album
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": I. Grave – Vivace – Adagio –
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Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": II. Largo –
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duration: PT3M40S
duration ms: 220000
explicit: false
by artist: Giuseppe Torelli
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Ottomar Borwitzky
by artist: Wolfgang Meyer
by artist: Waldemar Döling
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Berliner Philharmoniker - The Christmas Album
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  date published: 2024-12-05
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
audio: Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": II. Largo –
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Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": III. Vivace
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duration: PT1M50S
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by artist: Giuseppe Torelli
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Ottomar Borwitzky
by artist: Wolfgang Meyer
by artist: Waldemar Döling
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": III. Vivace
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Stille Nacht, Heilige Nacht
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by artist: Brass Ensemble of the Berlin Philharmonic Orchestra
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Stille Nacht, Heilige Nacht
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Gigue in D Major, P. 37/2 (Orch. Seiffert) - Recorded 1969
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by artist: Herbert von Karajan
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Gigue in D Major, P. 37/2 (Orch. Seiffert) - Recorded 1969
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The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
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The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: III. Allegro
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Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": I. Largo (Pastorale per il Santissimo Natale)
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Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": II. Largo
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Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": III. Allegro
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The Nutcracker Suite, Op. 71a: IIa. March
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The Nutcracker Suite, Op. 71a: IIb. Dance of the Sugar Plum Fairy
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The Nutcracker Suite, Op. 71a: IIc. Russian Dance (Trepak)
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Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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subject of: OpenTimestamps Proof of Existence
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Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio
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  date published: 2026-07-08T03:20:19Z
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Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): IV. Adagio – Allegro
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subject of: OpenTimestamps Proof of Existence
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Violin Concerto in D Major, RV 234 "L'inquietudine": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Violin Concerto in D Major, RV 234 "L'inquietudine": II. Largo
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subject of: OpenTimestamps Proof of Existence
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Violin Concerto in D Major, RV 234 "L'inquietudine": III. Allegro
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subject of: OpenTimestamps Proof of Existence
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Vesperae solennes de confessore, K. 339: V. Laudate Dominum - Live
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subject of: OpenTimestamps Proof of Existence
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Mass In C, K.317 "Coronation": 6. Agnus Dei - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T11:43:09Z
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Fünfstimmige Blasmusik: Intrada - Intrada - Sarabande - Intrada - Intrada
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
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Notre Dame: Intermezzo
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subject of: OpenTimestamps Proof of Existence
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The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: I. Allegro non molto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: I. Allegro non molto
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Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: I. Larghetto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
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Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: II. Andante
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by artist: Leon Spierer
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by artist: Ottomar Borwitzky
by artist: Horst Goebel
by artist: Edith Picht-Axenfeld
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Berliner Philharmoniker - The Christmas Album
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  date published: 2024-12-05
genre: classical
genre: opera
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genre: german-baroque
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:09:19Z
audio: Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: II. Andante
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Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: III. Allegro
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by artist: Edith Picht-Axenfeld
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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genre: classical
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: III. Allegro
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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genre: classical
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genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
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Mozart: Divertimento K.334; Serenata notturna K.239
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date published: 1988-01-01
track: Divertimento in D Major, K. 334 (Orch. Perf.): I. Allegro
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Divertimento in D Major, K. 334 (Orch. Perf.): I. Allegro
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track: Divertimento in D Major, K. 334 (Orch. Perf.): II. Theme & Variations. Andante
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:39:05Z
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track: Divertimento in D Major, K. 334 (Orch. Perf.): III. Menuetto – Trio
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  subject of: OpenTimestamps Proof of Existence
  audio: Divertimento in D Major, K. 334 (Orch. Perf.): III. Menuetto – Trio
track: Divertimento in D Major, K. 334 (Orch. Perf.): IV. Adagio
track: Divertimento in D Major, K. 334 (Orch. Perf.): V. Menuetto – Trio I – Trio II
track: Divertimento in D Major, K. 334 (Orch. Perf.): VI. Rondo. Allegro
track: Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
track: Serenata notturna in D Major, K. 239: II. Menuetto – Trio
track: Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro

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

OpenTimestamps Proof of Existence
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date published: 2026-07-22T17:48:40Z

Divertimento in D Major, K. 334 (Orch. Perf.): III. Menuetto – Trio
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Divertimento in D Major, K. 334 (Orch. Perf.): IV. Adagio
type: MusicRecording
duration: PT6M51S
duration ms: 411160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Mozart: Divertimento K.334; Serenata notturna K.239
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T11:52:37Z
audio: Divertimento in D Major, K. 334 (Orch. Perf.): IV. Adagio
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Divertimento in D Major, K. 334 (Orch. Perf.): V. Menuetto – Trio I – Trio II
type: MusicRecording
duration: PT8M44S
duration ms: 524426
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Mozart: Divertimento K.334; Serenata notturna K.239
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058702465
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T16:01:17Z
audio: Divertimento in D Major, K. 334 (Orch. Perf.): V. Menuetto – Trio I – Trio II
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Divertimento in D Major, K. 334 (Orch. Perf.): VI. Rondo. Allegro
type: MusicRecording
duration: PT8M58S
duration ms: 538120
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Mozart: Divertimento K.334; Serenata notturna K.239
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058702466
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Divertimento in D Major, K. 334 (Orch. Perf.): VI. Rondo. Allegro
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Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
type: MusicRecording
duration: PT4M23S
duration ms: 263893
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Neithart Resa
by artist: Rainer Zepperitz
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Mozart: Divertimento K.334; Serenata notturna K.239
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058300631
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
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/DEF058300631
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55687501f296372a06d482b629db7f7edb01e43062a88eb176c9e6a00fa296b8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DEF058300631.
  date published: 2026-06-13T12:47:07Z
audio: Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
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  additional property: Valence (Positivity)
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Serenata notturna in D Major, K. 239: II. Menuetto – Trio
type: MusicRecording
duration: PT4M39S
duration ms: 279133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Neithart Resa
by artist: Rainer Zepperitz
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Mozart: Divertimento K.334; Serenata notturna K.239
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058300632
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:33:37+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058300632
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x020b0e7ac7cd77aaf8b85088054ec0eb2ee854c961a87e5dd0068f0cec7366f3. 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/DEF058300632.
  date published: 2026-06-13T15:41:10Z
audio: Serenata notturna in D Major, K. 239: II. Menuetto – Trio
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
type: MusicRecording
duration: PT4M48S
duration ms: 288640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Neithart Resa
by artist: Rainer Zepperitz
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Mozart: Divertimento K.334; Serenata notturna K.239
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF058300633
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T20:53:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058300633
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8af4c1215769950f52f14184ffa82cf1fab49f4c3c7ba0a6513ef86d5cc03ae. 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/DEF058300633.
  date published: 2026-06-13T15:41:10Z
audio: Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
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track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": I. Largo – II. Grave
track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": III. Vivace – Adagio
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track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": V. Largo andante
track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VI. Andante – Adagio
track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VII. Pastorale. Largo Andante
track: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": III. Adagio – Allegro – Adagio
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track: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": V. Allegro –
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track: Stille Nacht, Heilige Nacht
track: Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
track: Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": I. Largo – II. Fantasmi. Presto
track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": III. Largo – IV. Presto
track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
track: Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
track: Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
track: Serenata notturna in D Major, K. 239: II. Menuetto – Trio
track: Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
track: Adagio in G Minor "Albinoni's Adagio" - Recorded 1983
track: The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
track: The Four Seasons, Autumn, Violin Concerto in F Major, Op. 8/3, RV 293: II. Adagio molto
track: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): IV. Adagio – Allegro
track: Violin Concerto in E Major, RV 271 "L'amoroso": I. Allegro

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Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": III. Allegro
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Concerto grosso No. 6 in G Minor, Op. 6/6, HWV 324: III. Musette. Larghetto
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audio: Concerto grosso No. 6 in G Minor, Op. 6/6, HWV 324: III. Musette. Larghetto
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Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": I. Largo – II. Grave
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Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": III. Vivace – Adagio
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Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": IV. Grave – Adagio
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Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": V. Largo andante
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Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VI. Andante – Adagio
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Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VII. Pastorale. Largo Andante
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Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": III. Adagio – Allegro – Adagio
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Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": IV. Vivace
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Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": V. Allegro –
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Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": VI. Largo. Pastorale
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Stille Nacht, Heilige Nacht
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Stille Nacht, Heilige Nacht
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Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
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by artist: Berliner Philharmoniker
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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: Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
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Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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by artist: Berliner Philharmoniker
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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: Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": I. Largo – II. Fantasmi. Presto
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by artist: Berliner Philharmoniker
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": I. Largo – II. Fantasmi. Presto
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Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": III. Largo – IV. Presto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": III. Largo – IV. Presto
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Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
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Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
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Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
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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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Serenata notturna in D Major, K. 239: II. Menuetto – Trio
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subject of: OpenTimestamps Proof of Existence
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Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
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Adagio in G Minor "Albinoni's Adagio" - Recorded 1983
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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: Adagio in G Minor "Albinoni's Adagio" - Recorded 1983
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The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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The Four Seasons, Autumn, Violin Concerto in F Major, Op. 8/3, RV 293: II. Adagio molto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): IV. Adagio – Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T03:13:03Z
audio: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): IV. Adagio – Allegro
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Violin Concerto in E Major, RV 271 "L'amoroso": I. Allegro
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by artist: Thomas Brandis
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Christmas Adagio - Herbert von Karajan
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genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Violin Concerto in E Major, RV 271 "L'amoroso": I. Allegro
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Best of Berliner Philharmoniker 2024
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x740daad9f9c619b1aaddf2e15f42707a97e01c2eb6bb6a6f392cd810d2a07f54. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/DEF056000172.
    date published: 2026-07-30T22:27:30Z
  audio: 12 Contredanses, WoO 14: No. 2 in A Major
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  by artist: Ludwig van Beethoven
  by artist: Berliner Philharmoniker
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  in album: Best of Berliner Philharmoniker 2024
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  genre: classical
  genre: classical-piano
  genre: chamber-music
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  by artist: Berliner Philharmoniker
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  subject of: OpenTimestamps Proof of Existence
  audio: 12 Contredanses, WoO 14: No. 4 in B-Flat Major
track: 12 Contredanses, WoO 14: No. 5 in E-Flat Major
track: 12 Contredanses, WoO 14: No. 6 in C Major
track: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio - Excerpt
track: The Moldau (From Má Vlast), JB 1:112 - Version 1960
track: Piano Concerto No. 5 in E flat major Op. 73 -"Emperor": 2. Adagio un poco mosso - Excerpt
track: Requiem, K. 626: IIIf. Lacrimosa - Recorded 1962
track: Symphony No. 8 in B Minor, D. 759 "Unfinished": I. Allegro moderato
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaca3c7041266524fb1e241dcc4fa802069976270afb6d22e902b85e5517c8ffc. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000174.
date published: 2026-07-31T08:26:41Z

12 Contredanses, WoO 14: No. 4 in B-Flat Major
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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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12 Contredanses, WoO 14: No. 5 in E-Flat Major
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duration: PT1M0S
duration ms: 60786
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by artist: Berliner Philharmoniker
by artist: Lorin Maazel
in album: Best of Berliner Philharmoniker 2024
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genre: classical
genre: classical-piano
genre: chamber-music
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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: 2026-07-08T03:20:19Z
audio: 12 Contredanses, WoO 14: No. 5 in E-Flat Major
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12 Contredanses, WoO 14: No. 6 in C Major
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by artist: Berliner Philharmoniker
by artist: Lorin Maazel
in album: Best of Berliner Philharmoniker 2024
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: 12 Contredanses, WoO 14: No. 6 in C Major
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio - Excerpt
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The Moldau (From Má Vlast), JB 1:112 - Version 1960
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Piano Concerto No. 5 in E flat major Op. 73 -"Emperor": 2. Adagio un poco mosso - Excerpt
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Requiem, K. 626: IIIf. Lacrimosa - Recorded 1962
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Symphony No. 8 in B Minor, D. 759 "Unfinished": I. Allegro moderato
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Symphony No. 8 in B Minor, D. 759 "Unfinished": II. Andante con moto
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