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genre: avant-garde
description: Phyllis Mae Bryn-Julson (born February 5, 1945) is an American operatic soprano and pedagogue. A native of Bowdon, North Dakota, Bryn-Julson is one of five children born to Norwegian parents. She ini
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album: Harrison Birtwistle: Punch and Judy
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  track: Mass in B Minor, BWV 232: V. Gloria: Et in terra pax
  track: Mass in B Minor, BWV 232: IX. Gloria: Qui tollis peccata mundi
  track: Mass in B Minor, BWV 232: XIII. Credo: Credo in unum Deum
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  track: Mass in B Minor, BWV 232: XXVII. Dona nobis pacem
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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  date published: 2026-07-02T03:55:08Z
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explicit: false
by artist: Johann Sebastian Bach
by artist: Bach Collegium Japan Chorus
by artist: Bach Collegium Japan
by artist: Masaaki Suzuki
in album: The 99 Most Essential Choral Masterpieces
  type: MusicAlbum
  date published: 2012-09-12
popularity: 12
genre: classical
genre: classical-piano
isrc code: SEAER0702040
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xac13330da2445a880970c24d0e4d5ebe3bf5737eb450fd89e4f0a8f7136a0e7f
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac13330da2445a880970c24d0e4d5ebe3bf5737eb450fd89e4f0a8f7136a0e7f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702040.
  date published: 2026-07-02T05:09:12Z
audio: Mass in B Minor, BWV 232: XVI. Credo: Et incarnatus est
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.174
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Mass in B Minor, BWV 232: XVII. Credo: Crucifixus
type: MusicRecording
duration: PT3M17S
duration ms: 197253
explicit: false
by artist: Johann Sebastian Bach
by artist: Bach Collegium Japan Chorus
by artist: Bach Collegium Japan
by artist: Masaaki Suzuki
in album: The 99 Most Essential Choral Masterpieces
  type: MusicAlbum
  date published: 2012-09-12
popularity: 12
genre: classical
genre: classical-piano
isrc code: SEAER0702050
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e6c3960e33472bbd9458435eafac782154049947ff532ba43f0a4a6c62282e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702050.
  date published: 2026-07-02T03:55:08Z
audio: Mass in B Minor, BWV 232: XVII. Credo: Crucifixus
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.038
  additional property: Loudness (dB)
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  additional property: Key Name
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Mass in B Minor, BWV 232: XVIII. Credo: Et resurrexit
type: MusicRecording
duration: PT3M54S
duration ms: 234373
explicit: false
by artist: Johann Sebastian Bach
by artist: Bach Collegium Japan Chorus
by artist: Bach Collegium Japan
by artist: Masaaki Suzuki
in album: The 99 Most Essential Choral Masterpieces
  type: MusicAlbum
  date published: 2012-09-12
popularity: 17
genre: classical
genre: classical-piano
isrc code: SEAER0702060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:25:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9ad939b70dda0a6b4f6137fd87d8f5e2155dcb5c99a1d71cff6127b39905fac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9ad939b70dda0a6b4f6137fd87d8f5e2155dcb5c99a1d71cff6127b39905fac. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702060.
  date published: 2026-07-02T03:55:08Z
audio: Mass in B Minor, BWV 232: XVIII. Credo: Et resurrexit
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.534
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.231
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mass in B Minor, BWV 232: XXI. Credo: Et exspecto
type: MusicRecording
duration: PT2M6S
duration ms: 126253
explicit: false
by artist: Johann Sebastian Bach
by artist: Bach Collegium Japan Chorus
by artist: Bach Collegium Japan
by artist: Masaaki Suzuki
in album: The 99 Most Essential Choral Masterpieces
  type: MusicAlbum
  date published: 2012-09-12
popularity: 10
genre: classical
genre: classical-piano
isrc code: SEAER0702090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:24:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55e22cb30b81bb0f3a880e467a016cd23432668679c2f6ca5111dea6cafd725c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e22cb30b81bb0f3a880e467a016cd23432668679c2f6ca5111dea6cafd725c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702090.
  date published: 2026-07-02T03:55:08Z
audio: Mass in B Minor, BWV 232: XXI. Credo: Et exspecto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.291
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.456
  additional property: Energy
    type: PropertyValue
    value: 0.469
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.853
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.612
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.187
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Mass in B Minor, BWV 232: XXII. Sanctus
type: MusicRecording
duration: PT5M52S
duration ms: 352600
explicit: false
by artist: Johann Sebastian Bach
by artist: Bach Collegium Japan Chorus
by artist: Bach Collegium Japan
by artist: Masaaki Suzuki
in album: The 99 Most Essential Choral Masterpieces
  type: MusicAlbum
  date published: 2012-09-12
popularity: 13
genre: classical
genre: classical-piano
isrc code: SEAER0702100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:25:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31a426fec74124232d3b329b59fa8e7aa79873bf96ba9c5933b31986214c3dba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31a426fec74124232d3b329b59fa8e7aa79873bf96ba9c5933b31986214c3dba. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702100.
  date published: 2026-07-02T03:55:08Z
audio: Mass in B Minor, BWV 232: XXII. Sanctus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.138
  additional property: Energy
    type: PropertyValue
    value: 0.309
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.467
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.234
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.846
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Mass in B Minor, BWV 232: XXV. Osanna in excelsis
type: MusicRecording
duration: PT2M40S
duration ms: 160226
explicit: false
by artist: Johann Sebastian Bach
by artist: Robin Blaze
by artist: Bach Collegium Japan Chorus
by artist: Bach Collegium Japan
by artist: Masaaki Suzuki
in album: The 99 Most Essential Choral Masterpieces
  type: MusicAlbum
  date published: 2012-09-12
popularity: 10
genre: classical
genre: classical-piano
isrc code: SEAER0702130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:08:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89d0872b8144ebb13731e67517192ecb86811992b914226480a18a7beabda038
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d0872b8144ebb13731e67517192ecb86811992b914226480a18a7beabda038. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702130.
  date published: 2026-07-02T03:55:08Z
audio: Mass in B Minor, BWV 232: XXV. Osanna in excelsis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  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: 0.297
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.677
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.813
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.133
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Mass in B Minor, BWV 232: XXVII. Dona nobis pacem
type: MusicRecording
duration: PT3M45S
duration ms: 225902
explicit: false
by artist: Johann Sebastian Bach
by artist: Bach Collegium Japan Chorus
by artist: Bach Collegium Japan
by artist: Masaaki Suzuki
in album: The 99 Most Essential Choral Masterpieces
  type: MusicAlbum
  date published: 2012-09-12
popularity: 8
genre: classical
genre: classical-piano
isrc code: SEAER0702150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T09:49:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc8645ddf9fa403ce370061945127df827aff34f8e16a3fbd86d28dcc15f1ebd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8645ddf9fa403ce370061945127df827aff34f8e16a3fbd86d28dcc15f1ebd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAER0702150.
  date published: 2026-07-02T03:55:08Z
audio: Mass in B Minor, BWV 232: XXVII. Dona nobis pacem
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  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: 0.169
  additional property: Energy
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    value: 0.195
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.97
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.747
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Sonata No. 8 in C Minor for Piano, Op. 13, "Sonata Pathétique": II. Adagio cantabile
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Concerto No. 5 in E-Flat Major for Piano and Orchestra, Op. 73, "Emperor": II. Adagio un poco mosso (attacca)
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Romance No. 2 in F Major for Violin and Orchestra, Op. 50
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subject of: OpenTimestamps Proof of Existence
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Concerto in D Major for Violin and Orchestra, Op. 61: II. Larghetto
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subject of: OpenTimestamps Proof of Existence
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Sonata No. 23 in F Minor for Piano, Op. 57, "Appassionata": I. Allegro assai
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Symphony No. 3 in E-Flat Major, Op. 55, "Eroica": II. Marcia funébre: Adagio assai
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  date published: 2026-07-08T03:22:41Z
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Sonata No. 17 in D Minor for Piano, Op. 31/2 (The Tempest): III. Allegretto
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  date published: 2026-07-02T03:55:08Z
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Sonata No. 3 in A Major for Cello and Piano, Op. 69: I. Allegro ma non tanto
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Concerto in D Major for Violin and Orchestra, Op. 61: III. Rondo: Allegro
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Missa Solemnis in D Major, Op. 123: III. Credo
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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duration: PT5M26S
duration ms: 326980
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by artist: Ludwig van Beethoven
by artist: Henrik Måwe
in album: This is Beethoven
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popularity: 3
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Romance No. 2 in F Major for Violin and Orchestra, Op. 50
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duration: PT8M41S
duration ms: 521039
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by artist: Ilmar Lapinsch
by artist: Alexei Bruni
by artist: State Symphony Capella of Russia
in album: This is Beethoven
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popularity: 2
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Romance No. 2 in F Major for Violin and Orchestra, Op. 50
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Symphony No. 2 in D Major, Op. 36: II. Larghetto
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duration: PT12M38S
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explicit: false
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by artist: Juozas Domarkas
by artist: Moscow Radio Symphony Orchestra
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popularity: 2
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 2 in D Major, Op. 36: II. Larghetto
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Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": I. Allegro con brio
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duration ms: 899200
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by artist: Woldemar Nelsson
by artist: SWR Symphony Orchestra
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popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": I. Allegro con brio
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Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": II. Marcia funébre (Adagio assai)
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by artist: Woldemar Nelsson
by artist: SWR Symphony Orchestra
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popularity: 2
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": II. Marcia funébre (Adagio assai)
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Missa Solemnis in D Major, Op. 123: III. Credo
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duration: PT19M6S
duration ms: 1146000
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by artist: Ludwig van Beethoven
by artist: Michael Gielen
by artist: Josef Protschka
by artist: Kurt Rydl
by artist: Marjana Lipovsek
by artist: Phyllis Bryn-Julson
by artist: Wolfgang Hock
by artist: SWR Symphony Orchestra
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popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Missa Solemnis in D Major, Op. 123: III. Credo
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Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace
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duration: PT12M31S
duration ms: 751893
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by artist: Vladimir Fedoseyev
by artist: Moscow Radio Symphony Orchestra
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  date published: 2021-08-28
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 7 in A Major, Op. 92: I. Poco sostenuto - Vivace
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10 Variations on "Ich bin der Schneider Kakadu", Op. 121a
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Consecration of the House, Op. 124: Overture
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Romance for Violin and Orchestra in G Major, Op. 40
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Beethoven Hits
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    date published: 2026-07-02T11:38:34Z
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track: Bagatelle in A Minor, WoO 59 "Für Elise"
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    date published: 2026-07-08T08:56:20Z
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track: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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track: Fidelio, Op. 72: Overture
track: Symphony No. 9 in D Minor, Op. 125 "Choral": II. Scherzo (Molto vivace)
track: Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "The Tempest": III. Allegretto

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OpenTimestamps Proof of Existence
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Fidelio, Op. 72: Overture
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track: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": I. Allegro
track: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco moto
track: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": III. Rondo (Allegro)
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track: Piano Sonata No. 12 in A-Flat Major, Op. 26 "Funeral March": I. Andante con variazione
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track: Missa Solemnis in D Major, Op. 123: III. Credo
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track: Romance for Violin and Orchestra in F Major, Op. 50

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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco moto
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": III. Rondo (Allegro)
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Piano Sonata No. 20 in G Major, Op. 49 No. 2: I. Allegro ma non troppo
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Piano Sonata No. 12 in A-Flat Major, Op. 26 "Funeral March": I. Andante con variazione
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Violin Sonata No. 10 in G Major, Op. 96: I. Allegro moderato
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Violin Sonata No. 1 in D Major, Op. 12: II. Tema con variazioni (Andante con moto)
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Missa Solemnis in D Major, Op. 123: III. Credo
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Symphony No. 2 in D Major, Op. 36: II. Larghetto
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Romance for Violin and Orchestra in F Major, Op. 50
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Beethoven Works 101
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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OpenTimestamps Proof of Existence
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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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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: String Trio in C Minor, Op. 9 No. 3: IV. Finale (Presto)
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The 99 Most Essential Beethoven Masterpieces (Full Works Edition)
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date published: 2012-01-30
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  by artist: Finghin Collins
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  popularity: 2
  genre: classical
  genre: classical-piano
  genre: chamber-music
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Bagatelle in A Minor, WoO 59, "Für Elise"
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  by artist: Ludwig van Beethoven
  by artist: Elisso Bolkvadze
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    date published: 2012-01-30
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  genre: classical
  genre: classical-piano
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa362c0f224e64a208ee322fa20294e9c82329d7aaa18629af54381eed4048ddd. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB790401265.
    date published: 2026-07-08T03:22:41Z
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track: Piano Trio in B-Flat Major, Op. 97, "Archduke": I. Allegro moderato
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  by artist: Kempf Trio
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    date published: 2012-01-30
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  genre: classical
  genre: classical-piano
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f161d42b7eba2aa0f07b1112456ed008e9a84002da357d292812ff63efd83e0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEL0472050.
date published: 2026-07-08T03:22:41Z

Piano Trio in B-Flat Major, Op. 97, "Archduke": I. Allegro moderato
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additional property: Energy
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Beethoven Famous Pieces
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Für Elise, WoO 59
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track: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Symphony No. 5 in C Minor, Op. 67 "Fate": I. Allegro con brio
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  subject of: OpenTimestamps Proof of Existence
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CopyrightChainExplorerURL
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa891ed71652dbf6da1e83cbdacb41a32ad6a25e50f59ec6dc1956e10bb88e92d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750002.
date published: 2026-07-08T03:22:41Z

Symphony No. 5 in C Minor, Op. 67 "Fate": I. Allegro con brio
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Powell, M.: Haiku Setting / 2 Prayer Settings / Settings / Little Companion Pieces / Strand Settings / Levertov Breviary
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Works by Charles Tomlinson Griffes
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Györgi Ligeti Masterworks
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Boulez Conducts Stravinsky
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track: The Firebird, K10: VI. Supplication of the Firebird – VII. Appearance of the 13 Enchanted Princesses
track: The Firebird, K10: XV. Kashchei's Retinue Dances Under the Firebird's Spell
track: Fireworks, Op. 4, K7

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date published: 2026-07-08T03:22:41Z

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Le sacre du printemps: Tableau I: L'adoration de la terre
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The Firebird, K10: VI. Supplication of the Firebird – VII. Appearance of the 13 Enchanted Princesses
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  date published: 2026-07-08T03:22:41Z
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The Firebird, K10: XV. Kashchei's Retinue Dances Under the Firebird's Spell
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Fireworks, Op. 4, K7
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Pierre Boulez: Oeuvres complètes
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Livre pour quatuor, version 1962: I a
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by artist: Sophie Cherrier
by artist: Pierre-Laurent Aimard
in album: Pierre Boulez: Oeuvres complètes
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popularity: 1
genre: classical
genre: avant-garde
genre: orchestra
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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/FRZ209024200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e79018ddf058c3df4b0b2090bfbf44f1edc3e75d8d76a0a30523075b81b5155. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209024200.
  date published: 2026-07-08T03:53:27Z
audio: Sonatine pour flûte et piano
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Le visage nuptial, troisième version: III. Le visage nuptial
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duration: PT12M47S
duration ms: 767373
explicit: false
by artist: Pierre Boulez
by artist: BBC Symphony Orchestra
by artist: BBC Singers
by artist: Phyllis Bryn-Julson
by artist: Elizabeth Laurence
in album: Pierre Boulez: Oeuvres complètes
  type: MusicAlbum
  date published: 2013-01-01
popularity: 0
genre: classical
genre: avant-garde
genre: orchestra
isrc code: FRZ208905303
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208905303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d2e7a5e556ca27c1a754a62b678bb0e00501e072a5da2f877e76507f3f275d7. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208905303.
  date published: 2026-07-08T03:22:41Z
audio: Le visage nuptial, troisième version: III. Le visage nuptial
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Stravinsky: Songs
type: MusicAlbum
date published: 1991-01-01
track: Pastorale, K6 (Version for Soprano & WInds)
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116320
  explicit: false
  by artist: Igor Stravinsky
  by artist: Phyllis Bryn-Julson
  by artist: Ensemble Intercontemporain
  by artist: Pierre Boulez
  in album: Stravinsky: Songs
    type: MusicAlbum
    date published: 1991-01-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058001950
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9ab04b8ef22a7ff522c0f96100b702c0190e018b5c1249da8735bb6c9b90dd8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058001950.
    date published: 2026-07-08T08:56:20Z
  audio: Pastorale, K6 (Version for Soprano & WInds)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: 3 Japanese Lyrics, K16: No. 2, Mazatsumi
  type: MusicRecording
  duration: PT0M59S
  duration ms: 59800
  explicit: false
  by artist: Igor Stravinsky
  by artist: Phyllis Bryn-Julson
  by artist: Ensemble Intercontemporain
  by artist: Pierre Boulez
  in album: Stravinsky: Songs
    type: MusicAlbum
    date published: 1991-01-01
  isrc code: DEF058003472
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058003472
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7f2310eb4e322f8af5c43c975169fb938d38849f0847eaff2c7530feda6897c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058003472.
    date published: 2026-07-08T03:53:27Z
  audio: 3 Japanese Lyrics, K16: No. 2, Mazatsumi
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: 3 Japanese Lyrics, K16: No. 3, Tsaraiuki
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  duration ms: 90653
  explicit: false
  by artist: Igor Stravinsky
  by artist: Phyllis Bryn-Julson
  by artist: Ensemble Intercontemporain
  by artist: Pierre Boulez
  in album: Stravinsky: Songs
    type: MusicAlbum
    date published: 1991-01-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 3 Japanese Lyrics, K16: No. 3, Tsaraiuki
track: 3 Songs from William Shakespeare, K81: No. 1, Musick to Heare
track: 3 Songs from William Shakespeare, K81: No. 2, Full Fadom Five

OTSHash
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OTSBitcoinBlock
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value: 957120

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058003473

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

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe86de27359cd2d609779a8aac85fb6154f54701d5e2eb356ae1ee2877c49182d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058003473.
date published: 2026-07-08T03:22:41Z

3 Japanese Lyrics, K16: No. 3, Tsaraiuki
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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3 Songs from William Shakespeare, K81: No. 1, Musick to Heare
type: MusicRecording
duration: PT2M52S
duration ms: 172226
explicit: false
by artist: Igor Stravinsky
by artist: Ann Murray
by artist: Ensemble Intercontemporain
by artist: Pierre Boulez
in album: Stravinsky: Songs
  type: MusicAlbum
  date published: 1991-01-01
isrc code: DEF058003531
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4539a54e24a2d58dbe2f2f568b30f764db3b884e87149bb66d75684b905ea74. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/DEF058003531.
  date published: 2026-07-07T14:41:13Z
audio: 3 Songs from William Shakespeare, K81: No. 1, Musick to Heare
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Acousticness
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3 Songs from William Shakespeare, K81: No. 2, Full Fadom Five
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duration: PT1M57S
duration ms: 117693
explicit: false
by artist: Igor Stravinsky
by artist: Ann Murray
by artist: Ensemble Intercontemporain
by artist: Pierre Boulez
in album: Stravinsky: Songs
  type: MusicAlbum
  date published: 1991-01-01
isrc code: DEF058003532
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf7cb673102124c8d81e5798a4ca1bbced2836f40eb48fab5c0a8f97b6b228ae. 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/DEF058003532.
  date published: 2026-07-08T03:20:19Z
audio: 3 Songs from William Shakespeare, K81: No. 2, Full Fadom Five
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date published: 2026-07-08T03:20:19Z

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    date published: 2026-07-08T03:22:41Z
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    date published: 2026-07-08T03:22:41Z
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Masterworks of the 20th Century
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Pierre Boulez Plays Stravinsky
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Classical Hits of the Classical Period
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  additional property: Valence (Positivity)
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Histoire du soldat, Suite, K29: V. Petit concert
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duration: PT3M7S
duration ms: 187000
explicit: false
by artist: Igor Stravinsky
by artist: William Preucil
by artist: Members Of The Cleveland Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
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isrc code: DEF059607035
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x496a845fb1b92eba7467e24c8a4f12b4c4bb85e09f6ce2da327a1a9c3d1486da. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059607035.
  date published: 2026-07-08T03:53:27Z
audio: Histoire du soldat, Suite, K29: V. Petit concert
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Histoire du soldat, Suite, K29: VI. 3 Danses. Tango – Valse – Ragtime
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duration: PT6M16S
duration ms: 376000
explicit: false
by artist: Igor Stravinsky
by artist: William Preucil
by artist: Members Of The Cleveland Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2804b96562e3e1edbe3c421bf7a99fce3cf1f417ac8f2d45145785e6d209d7. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059607036.
  date published: 2026-07-08T03:22:41Z
audio: Histoire du soldat, Suite, K29: VI. 3 Danses. Tango – Valse – Ragtime
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Histoire du soldat, Suite, K29: VIII. Grand choral
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duration: PT2M42S
duration ms: 162666
explicit: false
by artist: Igor Stravinsky
by artist: William Preucil
by artist: Members Of The Cleveland Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
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  date published: 2025-01-25
isrc code: DEF059607038
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
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x450a1dbda0399a913e0cf28012d42266833399ea0140a19ede3ea689c1f686d2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059607038.
  date published: 2026-07-08T03:53:27Z
audio: Histoire du soldat, Suite, K29: VIII. Grand choral
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The Firebird, K10: I. Introduction
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duration: PT2M32S
duration ms: 152506
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
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  date published: 2025-01-25
isrc code: DEF059231001
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a044cce9ab6c57625e5629931ae873c2dfc77669de833cdcd0c5ba098b0bc42. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231001.
  date published: 2026-07-08T03:53:27Z
audio: The Firebird, K10: I. Introduction
  type: AudioObject
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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The Firebird, K10: II. Kashchei's Enchanted Garden
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duration: PT1M46S
duration ms: 106840
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
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  date published: 2025-01-25
isrc code: DEF059231002
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71328b53dc01cd61287e41fcfde2a3b65340c1961d5b4982bda9b21fdc18c676. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231002.
  date published: 2026-07-08T08:56:20Z
audio: The Firebird, K10: II. Kashchei's Enchanted Garden
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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The Firebird, K10: III. Appearance of the Firebird Pursued by Ivan Tsarevich
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duration: PT2M25S
duration ms: 145640
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
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  date published: 2025-01-25
isrc code: DEF059231003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9adf1cfbb6b745a23b39fb0fda972fd00866d1810bfe54c9f945e4be1750f7e6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231003.
  date published: 2026-07-08T03:22:41Z
audio: The Firebird, K10: III. Appearance of the Firebird Pursued by Ivan Tsarevich
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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The Firebird, K10: IV. Dance of the Firebird
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duration: PT1M21S
duration ms: 81640
explicit: false
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by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
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  date published: 2025-01-25
isrc code: DEF059231004
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4038d2401e3d8ff40ceb01f8adafdb147f143e0e0298b37037e16e12df2be79a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231004.
  date published: 2026-07-08T08:56:20Z
audio: The Firebird, K10: IV. Dance of the Firebird
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  additional property: Liveness
    type: PropertyValue
    value: 0.925
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.259
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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The Firebird, K10: V. Ivan Tsarevich Captures the Firebird
type: MusicRecording
duration: PT0M52S
duration ms: 52906
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
  type: MusicAlbum
  date published: 2025-01-25
isrc code: DEF059231005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T21:25:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x273de2b8d3778e38b085177181121d5cab27c2b97f4bf91547649593affc6556
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x273de2b8d3778e38b085177181121d5cab27c2b97f4bf91547649593affc6556. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231005.
  date published: 2026-07-08T03:53:27Z
audio: The Firebird, K10: V. Ivan Tsarevich Captures the Firebird
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.457
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.551
  additional property: Energy
    type: PropertyValue
    value: 0.322
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.991
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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The Firebird, K10: VI. Supplication of the Firebird – VII. Appearance of the 13 Enchanted Princesses
type: MusicRecording
duration: PT8M14S
duration ms: 494026
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
  type: MusicAlbum
  date published: 2025-01-25
isrc code: DEF059231006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d8cde1214a26e1bbfedfadde6bf75278addd5ca8cdba0932b255731f7447e0e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231006.
  date published: 2026-07-08T03:22:41Z
audio: The Firebird, K10: VI. Supplication of the Firebird – VII. Appearance of the 13 Enchanted Princesses
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.652
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.159
  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
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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The Firebird, K10: VIII. Game of the Princesses with the Golden Apples
type: MusicRecording
duration: PT2M24S
duration ms: 144773
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
  type: MusicAlbum
  date published: 2025-01-25
isrc code: DEF059231007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:27:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2db67ada475739cf4496e4dd7db720dc047c376db92ede339e20aadeed5b118d
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/DEF059231007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db67ada475739cf4496e4dd7db720dc047c376db92ede339e20aadeed5b118d. 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/DEF059231007.
  date published: 2026-07-08T03:20:19Z
audio: The Firebird, K10: VIII. Game of the Princesses with the Golden Apples
  type: AudioObject
  additional property: Tempo (BPM)
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  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: 0.391
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.806
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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The Firebird, K10: XV. Kashchei's Retinue Dances Under the Firebird's Spell
type: MusicRecording
duration: PT0M44S
duration ms: 44546
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
  type: MusicAlbum
  date published: 2025-01-25
isrc code: DEF059231012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:47:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x822ed32199e3dbc4008fe18ae6aa7e3ceb5ac28be11e7fb21ba3a8df3ea01a30
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231012
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x822ed32199e3dbc4008fe18ae6aa7e3ceb5ac28be11e7fb21ba3a8df3ea01a30. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231012.
  date published: 2026-07-08T03:22:41Z
audio: The Firebird, K10: XV. Kashchei's Retinue Dances Under the Firebird's Spell
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.63
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.397
  additional property: Energy
    type: PropertyValue
    value: 0.399
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.885
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.849
  additional property: Liveness
    type: PropertyValue
    value: 0.838
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.507
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.313
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
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The Firebird, K10: XVI. Infernal Dance of Kashchei's Subjects
type: MusicRecording
duration: PT4M42S
duration ms: 282840
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
  type: MusicAlbum
  date published: 2025-01-25
isrc code: DEF059231013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:01:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2dd19e1744d954fc283e2486ba10ccbf737e1f8aeb77452ad4e9975a3292a15b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231013
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd19e1744d954fc283e2486ba10ccbf737e1f8aeb77452ad4e9975a3292a15b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231013.
  date published: 2026-07-08T03:22:41Z
audio: The Firebird, K10: XVI. Infernal Dance of Kashchei's Subjects
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.749
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.328
  additional property: Energy
    type: PropertyValue
    value: 0.415
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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The Firebird, K10: XIX. The Palace Disappears and Kashchei's Spells Are Broken, The Stone Knights Return to Life – General Rejoicing
type: MusicRecording
duration: PT3M13S
duration ms: 193386
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
  type: MusicAlbum
  date published: 2025-01-25
isrc code: DEF059231015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:32:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c1be2da289e878f7a6a4e13d7ab9b1a15485d7624db58df79a7922232153860
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231015
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1be2da289e878f7a6a4e13d7ab9b1a15485d7624db58df79a7922232153860. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059231015.
  date published: 2026-07-08T03:22:41Z
audio: The Firebird, K10: XIX. The Palace Disappears and Kashchei's Spells Are Broken, The Stone Knights Return to Life – General Rejoicing
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.559
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Fireworks, Op. 4, K7
type: MusicRecording
duration: PT3M54S
duration ms: 234000
explicit: false
by artist: Igor Stravinsky
by artist: Chicago Symphony Orchestra
by artist: Pierre Boulez
in album: Boulez A-Z: Stravinsky - Varèse
  type: MusicAlbum
  date published: 2025-01-25
isrc code: DEF059203870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:43:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda655f36c1e57c9e933ac4525f60d21dc207c30cb2715209f569655ecbaf91e0
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059203870
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda655f36c1e57c9e933ac4525f60d21dc207c30cb2715209f569655ecbaf91e0. 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/DEF059203870.
  date published: 2026-07-08T03:20:19Z
audio: Fireworks, Op. 4, K7
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Petrushka, K12 (1911 Version): III. The Moor's Room – Dance of the Ballerina – Waltz (The Ballerina and the Moor)
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Britten: Illuminations (Les) / Our Hunting Fathers / Chansons Francaises
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