Saulius Sondeckis
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description: Saulius Sondeckis (11 October 1928 – 3 February 2016) was a Lithuanian violinist, conductor, orchestra leader and professor. He founded the Lithuanian Chamber Orchestra in 1960 and was its artistic di
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album: Vivaldi: Le Quattro Stagioni
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album: Mozart: Violin Concerto No. 5 in A Major "Turkish" - Tartini: Violin Sonata in G Minor "Devil's Trill"
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弦楽セレナーデ ハ長調, 作品 48 1. Pezzo in forma di Sonatina. Andante non troppo - Allegro moderato
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audio: 弦楽セレナーデ ハ長調, 作品 48 1. Pezzo in forma di Sonatina. Andante non troppo - Allegro moderato
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弦楽セレナーデ ハ長調, 作品 48 2. Waltz. Moderato
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弦楽四重奏曲第1番ニ長調 作品11 : 1. アンダンテ カンタービレ
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track: 弦楽四重奏曲第1番ニ長調 作品11 : 1. アンダンテ カンタービレ

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date published: 2026-07-07T11:02:43Z

Trisagion
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Bach: Twelve Keyboard Concertos (Live)
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Concerto for Three Pianos and Orchestra in F Major, K. 242 'Lodron'
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track: Vater unser
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Vater unser
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf831006b851248ee58b9e3575f066a23cb4f207f47cff67905a554627458c4ad. 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/DEB332280014.
  date published: 2026-07-02T03:55:08Z
audio: Vater unser
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.344
  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: 0.129
  additional property: Energy
    type: PropertyValue
    value: 0.025
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.326
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lamentate: IV. Pregando
type: MusicRecording
duration: PT5M59S
duration ms: 359626
explicit: false
by artist: Arvo Pärt
by artist: Alexei Lubimov
by artist: Andrey Boreyko
by artist: Radio-Sinfonieorchester Stuttgart
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB330593005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T05:54:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8dbc2d3826f329159e396539705607201bc20915cd96e76e19decb6444245176
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593005
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 0x8dbc2d3826f329159e396539705607201bc20915cd96e76e19decb6444245176. 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/DEB330593005.
  date published: 2026-07-02T05:09:12Z
audio: Lamentate: IV. Pregando
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.609
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.066
  additional property: Energy
    type: PropertyValue
    value: 0.002
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.338
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.033
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.05
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lamentate: V. Solitudine - stato d'animo
type: MusicRecording
duration: PT5M25S
duration ms: 325920
explicit: false
by artist: Arvo Pärt
by artist: Alexei Lubimov
by artist: Andrey Boreyko
by artist: Radio-Sinfonieorchester Stuttgart
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB330593006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T01:10:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa34395e83648f059d6d6c0a6972d607d830466acc04c78bd7dc0a639c73750c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593006
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 0xa34395e83648f059d6d6c0a6972d607d830466acc04c78bd7dc0a639c73750c3. 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/DEB330593006.
  date published: 2026-07-02T05:09:12Z
audio: Lamentate: V. Solitudine - stato d'animo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.098
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.001
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.857
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.021
  additional property: Liveness
    type: PropertyValue
    value: 0.065
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.178
  additional property: Loudness (dB)
    type: PropertyValue
    value: -47.383
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lamentate: VI. Consolante
type: MusicRecording
duration: PT1M21S
duration ms: 81573
explicit: false
by artist: Arvo Pärt
by artist: Alexei Lubimov
by artist: Andrey Boreyko
by artist: Radio-Sinfonieorchester Stuttgart
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB330593007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T21:12:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf5d8323fd196434a2fd45b27c12384865553b3411f12b9233b2a2ecb8adc4f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0xaf5d8323fd196434a2fd45b27c12384865553b3411f12b9233b2a2ecb8adc4f4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEB330593007.
  date published: 2026-07-02T11:38:34Z
audio: Lamentate: VI. Consolante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.792
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.17
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.299
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.873
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.862
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lamentate: VIII. Lamentabile
type: MusicRecording
duration: PT5M46S
duration ms: 346373
explicit: false
by artist: Arvo Pärt
by artist: Alexei Lubimov
by artist: Andrey Boreyko
by artist: Radio-Sinfonieorchester Stuttgart
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB330593009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T21:12:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1301e5132fe054967655278aaaf5fea5a55d8ab96b1420681e493dd5f2e58ff4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x1301e5132fe054967655278aaaf5fea5a55d8ab96b1420681e493dd5f2e58ff4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEB330593009.
  date published: 2026-07-02T11:38:34Z
audio: Lamentate: VIII. Lamentabile
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.62
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.065
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.911
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -41.424
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lamentate: X. Fragile e conciliante
type: MusicRecording
duration: PT6M56S
duration ms: 416840
explicit: false
by artist: Arvo Pärt
by artist: Alexei Lubimov
by artist: Andrey Boreyko
by artist: Radio-Sinfonieorchester Stuttgart
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB330593011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T21:09:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67542121db0f119d9011095effa46a87f5f663fca6796a59323720df09ecb421
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x67542121db0f119d9011095effa46a87f5f663fca6796a59323720df09ecb421. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEB330593011.
  date published: 2026-07-02T11:38:34Z
audio: Lamentate: X. Fragile e conciliante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.075
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.108
  additional property: Energy
    type: PropertyValue
    value: 0.002
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.901
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -45.678
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Greater Antiphons: II. O Adonai
type: MusicRecording
duration: PT2M35S
duration ms: 155200
explicit: false
by artist: Arvo Pärt
by artist: Tallinn Chamber Orchestra
by artist: Tõnu Kaljuste
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB332280003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:27:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca3e968143305c2626a548a8dd8f8798b59de7070469d4cc09751ded778caaa2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB332280003
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0xca3e968143305c2626a548a8dd8f8798b59de7070469d4cc09751ded778caaa2. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEB332280003.
  date published: 2026-07-02T11:38:34Z
audio: Greater Antiphons: II. O Adonai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.073
  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: 0.145
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.828
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.936
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.603
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Estonian Lullaby
type: MusicRecording
duration: PT2M8S
duration ms: 128052
explicit: false
by artist: Arvo Pärt
by artist: Tallinn Chamber Orchestra
by artist: Tõnu Kaljuste
by artist: Estonian Philharmonic Chamber Choir
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB331122507
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:50:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fb1bb7f3aa8ff7c8d589dac1b1540ffb684af2712de79827613bf5cbdf5e3d2
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/DEB331122507
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 0x7fb1bb7f3aa8ff7c8d589dac1b1540ffb684af2712de79827613bf5cbdf5e3d2. 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/DEB331122507.
  date published: 2026-07-02T03:55:08Z
audio: Estonian Lullaby
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.581
  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: 0.332
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.973
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.186
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.325
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Littlemore Tractus
type: MusicRecording
duration: PT7M29S
duration ms: 449386
explicit: false
by artist: Arvo Pärt
by artist: Estonian Philharmonic Chamber Choir
by artist: Tallinn Chamber Orchestra
by artist: Tõnu Kaljuste
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB332280001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:32:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd8fa982ec8f89b42d8a8c62cdad50ade8449b6f0561f4fa497bc4535ba83f62
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB332280001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0xbd8fa982ec8f89b42d8a8c62cdad50ade8449b6f0561f4fa497bc4535ba83f62. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEB332280001.
  date published: 2026-07-02T11:38:34Z
audio: Littlemore Tractus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.634
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.076
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.853
  additional property: Liveness
    type: PropertyValue
    value: 0.236
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.03
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.071
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sequentia
type: MusicRecording
duration: PT3M58S
duration ms: 238520
explicit: false
by artist: Arvo Pärt
by artist: Tallinn Chamber Orchestra
by artist: Tõnu Kaljuste
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB332280010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:42:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08237a3d705749f5a58bab7a47e4bc63e2418d9a349403990182f6b956cb0185
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956995
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956995
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB332280010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T04:27:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08237a3d705749f5a58bab7a47e4bc63e2418d9a349403990182f6b956cb0185. Chain 2 (Bitcoin): anchored in block 956995 (2026-07-07T04:27:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB332280010.
  date published: 2026-07-07T04:27:57Z
audio: Sequentia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.43
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.142
  additional property: Energy
    type: PropertyValue
    value: 0.001
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.512
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -44.056
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lamentate: III. Fragile
type: MusicRecording
duration: PT1M4S
duration ms: 64626
explicit: false
by artist: Arvo Pärt
by artist: Alexei Lubimov
by artist: Andrey Boreyko
by artist: Radio-Sinfonieorchester Stuttgart
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB330593004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:09:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa80a0b8f88b361f4a702f735721f88c7995e652e0e318ea2bee2f3d4834d696e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa80a0b8f88b361f4a702f735721f88c7995e652e0e318ea2bee2f3d4834d696e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593004.
  date published: 2026-07-06T07:53:57Z
audio: Lamentate: III. Fragile
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 186.678
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.063
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.414
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -50.411
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lamentate: I. Minacciando
type: MusicRecording
duration: PT2M38S
duration ms: 158720
explicit: false
by artist: Arvo Pärt
by artist: Alexei Lubimov
by artist: Andrey Boreyko
by artist: Radio-Sinfonieorchester Stuttgart
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB330593002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:07:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcdd8886ccd0c25b9345077b3498965dff7698fac5e46aa22cf070f561a35d755
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdd8886ccd0c25b9345077b3498965dff7698fac5e46aa22cf070f561a35d755. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330593002.
  date published: 2026-07-06T07:53:57Z
audio: Lamentate: I. Minacciando
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.387
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.171
  additional property: Energy
    type: PropertyValue
    value: 0.025
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.834
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.398
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Deer's Cry
type: MusicRecording
duration: PT4M10S
duration ms: 250746
explicit: false
by artist: Arvo Pärt
by artist: Vox Clamantis
by artist: Jaan-Eik Tulve
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB330746601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:58:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x525dbe0d9c000b935bc4ba57aa7217e1b7a8e70fc50545f1a2cc84d808b65fb4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330746601
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x525dbe0d9c000b935bc4ba57aa7217e1b7a8e70fc50545f1a2cc84d808b65fb4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEB330746601.
  date published: 2026-07-02T11:38:34Z
audio: The Deer's Cry
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.906
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.155
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.113
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Festina Lente
type: MusicRecording
duration: PT5M24S
duration ms: 324733
explicit: false
by artist: Arvo Pärt
by artist: Orchester Der Beethovenhalle Bonn
by artist: Dennis Russell Davies
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB339043002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:34:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x353dfc8d49dc8764d748101ba6dc464a8fa1125af142bfb638abb9676101dc45
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB339043002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 0x353dfc8d49dc8764d748101ba6dc464a8fa1125af142bfb638abb9676101dc45. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEB339043002.
  date published: 2026-07-06T06:56:49Z
audio: Festina Lente
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.475
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.134
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.772
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.907
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.109
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Silouans Song
type: MusicRecording
duration: PT5M38S
duration ms: 338337
explicit: false
by artist: Arvo Pärt
by artist: Tõnu Kaljuste
by artist: Tallinn Chamber Orchestra
in album: Arvo Pärt: The Originals
  type: MusicAlbum
  date published: 2024-04-05
isrc code: DEB339350502
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:21:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c6c613af6e67cd604be789a3d9fabbf1c854b95fea27bc949706181bb9b5c50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB339350502
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 0x8c6c613af6e67cd604be789a3d9fabbf1c854b95fea27bc949706181bb9b5c50. 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/DEB339350502.
  date published: 2026-07-02T05:09:12Z
audio: Silouans Song
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Cello Suite No.1 in G major, BWV 1007: I. Prélude
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Suite Bergamasque, L. 75: Clair de Lune
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subject of: OpenTimestamps Proof of Existence
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audio: Suite Bergamasque, L. 75: Clair de Lune
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The Four Seasons, Op. 8, Concerto No. 4 in F Minor, RV 297 "Winter": I. Allegro non molto (Arr. for 2 Violins and Piano)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:43:08Z
audio: The Four Seasons, Op. 8, Concerto No. 4 in F Minor, RV 297 "Winter": I. Allegro non molto (Arr. for 2 Violins and Piano)
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie (Arr. for Flute and Harpsichord)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie (Arr. for Flute and Harpsichord)
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": II. Allegretto
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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": II. Allegretto
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": III. Presto agitato
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Sonnet in C Major
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by artist: Sergey Bryukhno
in album: Найкраща класична музика: 50 шедеврів
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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 0xcc775b390bc19d2c9915b16bc0e97012880d07f5bca11c5f86af9a2d16f2e97f. 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/RUB362100017.
  date published: 2026-07-08T08:56:20Z
audio: Sonnet in C Major
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Piano Sonata No.11 in A major, K.331/300i: III. Alla Turca
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by artist: Katya Kramer-Lapin
in album: Найкраща класична музика: 50 шедеврів
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Piano Sonata No.11 in A major, K.331/300i: III. Alla Turca
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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by artist: Ludwig van Beethoven
by artist: Katya Kramer-Lapin
in album: Найкраща класична музика: 50 шедеврів
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genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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 0x2bf049ea4ef88000166916f8734f0cb557edf575e6867d44afbdb0fb0d7d4aa2. 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/EEUV32200021.
  date published: 2026-07-08T03:22:41Z
audio: Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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Hope
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Hope
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The Nutcracker Suite, Op. 71a: II. Dance of the Sugar Plum Fairy (Arr. For Piano)
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by artist: Pyotr Ilyich Tchaikovsky
by artist: Maria Nemtsova
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Nutcracker Suite, Op. 71a: II. Dance of the Sugar Plum Fairy (Arr. For Piano)
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Orfeo ed Euridice, Wq.30: Mélodie
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by artist: Kathron Sturrock
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genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Orfeo ed Euridice, Wq.30: Mélodie
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Le carnaval des animaux, R. 125: XIII. The Swan
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by artist: Louise Jones
by artist: Malcolm Miller
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genre: classical
genre: late-romantic-era
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additional property: CopyrightID
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Le carnaval des animaux, R. 125: XIII. The Swan
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Trois mélodies, Op. 7: I. Après un rêve
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by artist: Louise Jones
by artist: Kathron Sturrock
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Trois mélodies, Op. 7: I. Après un rêve
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The Well-Tempered Clavier: Book 1, BWV 846-869: 1. Prelude in C Major, BWV 846
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by artist: Alex Tor
in album: Найкраща класична музика: 50 шедеврів
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: 1. Prelude in C Major, BWV 846
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Nocturne No. 2 in E-Flat Major, Op. 9
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by artist: Misha Fomin
in album: Найкраща класична музика: 50 шедеврів
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genre: early-romantic-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Nocturne No. 2 in E-Flat Major, Op. 9
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Nocturne in D Minor for Cello and Оrchestra, Op. 19, No. 4
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by artist: Denis Shapovalov
by artist: Saulius Sondeckis
by artist: Moscow Virtuosi
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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: Nocturne in D Minor for Cello and Оrchestra, Op. 19, No. 4
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Polonaise "Farewell to the Fatherland"
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by artist: Alex Tor
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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: Polonaise "Farewell to the Fatherland"
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Toccata and Fugue in D Minor, BWV 565
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by artist: Alex Tor
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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: Toccata and Fugue in D Minor, BWV 565
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Prelude B Minor, BWV 855a
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by artist: Johann Sebastian Bach
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Prelude B Minor, BWV 855a
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by artist: Alex Tor
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Classical Background Music
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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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track: Suite Bergamasque, L. 75: Clair de Lune
track: 14 Romances, Op. 34: No. 14, Vocalise (Arr. for Piano by Vyacheslav Gryaznov)
track: Romance in E-Flat Major for Piano and Viola
track: Hope
track: Turn the Volume Down and Sleep
track: Goldberg Variations, BWV 988: Aria
track: Nocturne in D Minor for Cello and Оrchestra, Op. 19, No. 4
track: Cello Suite No.1 in G major, BWV 1007: I. Prélude
track: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "Air on the G String" (Arr. for Viola, Strings and Harpsichord)
track: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
track: Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
track: The Nutcracker Suite, Op. 71a: II. Dance of the Sugar Plum Fairy (Arr. For Piano)
track: 12 Romances, Op. 21: No. 7, How Fair this Spot (Arr. for Piano by Vyacheslav Gryaznov)
track: 14 Romances, Op.34: No. 14, Vocalise
track: Orfeo ed Euridice, Wq.30: Mélodie
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track: Prelude B Minor, BWV 855a
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

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

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Suite Bergamasque, L. 75: Clair de Lune
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subject of: OpenTimestamps Proof of Existence
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audio: Suite Bergamasque, L. 75: Clair de Lune
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subject of: OpenTimestamps Proof of Existence
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Romance in E-Flat Major for Piano and Viola
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subject of: OpenTimestamps Proof of Existence
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audio: Romance in E-Flat Major for Piano and Viola
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Hope
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Turn the Volume Down and Sleep
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Turn the Volume Down and Sleep
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Goldberg Variations, BWV 988: Aria
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by artist: Katya Kramer-Lapin
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Goldberg Variations, BWV 988: Aria
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Nocturne in D Minor for Cello and Оrchestra, Op. 19, No. 4
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subject of: OpenTimestamps Proof of Existence
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audio: Nocturne in D Minor for Cello and Оrchestra, Op. 19, No. 4
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Cello Suite No.1 in G major, BWV 1007: I. Prélude
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Cello Suite No.1 in G major, BWV 1007: I. Prélude
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "Air on the G String" (Arr. for Viola, Strings and Harpsichord)
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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subject of: OpenTimestamps Proof of Existence
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audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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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: Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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The Nutcracker Suite, Op. 71a: II. Dance of the Sugar Plum Fairy (Arr. For Piano)
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subject of: OpenTimestamps Proof of Existence
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audio: The Nutcracker Suite, Op. 71a: II. Dance of the Sugar Plum Fairy (Arr. For Piano)
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12 Romances, Op. 21: No. 7, How Fair this Spot (Arr. for Piano by Vyacheslav Gryaznov)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: 12 Romances, Op. 21: No. 7, How Fair this Spot (Arr. for Piano by Vyacheslav Gryaznov)
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14 Romances, Op.34: No. 14, Vocalise
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  date published: 2026-07-08T03:53:27Z
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Orfeo ed Euridice, Wq.30: Mélodie
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  date published: 2026-07-08T03:53:27Z
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Fantasia in D Minor, KV 397
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Prelude B Minor, BWV 855a
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Trois mélodies, Op. 7: I. Après un rêve
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Absolute Masterworks - Romantic
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track: Klavierstücke nach eigenen Liedern/Piano Pieces Based on His Own Songs, Op. 41: Ich liebe Dich/I Love You (from op. 5, no.3)
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track: Romance for Violin and Orchestra in F Minor, Op. 11
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  audio: Romance for Violin and Orchestra in F Minor, Op. 11
track: III. Nocturne from String Quartet No. 2 in D Major
track: Thais, Act II: Meditation
track: Lyric Suite, Op. 54: IV. Notturno
track: 2 Pieces from Kuolema, Op. 44: No. 1, Valse triste
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track: L'elisir d'amore: Act II: Una furtiva lagrima
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Romance for Violin and Orchestra in F Minor, Op. 11
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III. Nocturne from String Quartet No. 2 in D Major
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Thais, Act II: Meditation
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Lyric Suite, Op. 54: IV. Notturno
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by artist: Eugene Ormandy
by artist: Philadelphia Orchestra
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popularity: 3
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genre: late-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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2 Pieces from Kuolema, Op. 44: No. 1, Valse triste
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by artist: Eugene Ormandy
by artist: Philadelphia Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
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Tragic Overture, Op. 81
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by artist: George Szell
by artist: The Cleveland Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Tragic Overture, Op. 81
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L'elisir d'amore: Act II: Una furtiva lagrima
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by artist: Plácido Domingo
by artist: London Symphony Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: L'elisir d'amore: Act II: Una furtiva lagrima
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24 Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: 24 Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop"
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Pelléas et Mélisande, Op. 80: III. Sicilienne
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by artist: Zubin Mehta
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Pelléas et Mélisande, Op. 80: III. Sicilienne
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The Carnival of the Animals, R. 125: XIII. Le cygne (Arr. for Cello & 2 Pianos)
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popularity: 31
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subject of: OpenTimestamps Proof of Existence
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audio: The Carnival of the Animals, R. 125: XIII. Le cygne (Arr. for Cello & 2 Pianos)
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Songs, Op. 34: Vocalise, No. 14
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subject of: OpenTimestamps Proof of Existence
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Pavane, Op. 50
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subject of: OpenTimestamps Proof of Existence
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Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di valse
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Turandot: Nessun dorma
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audio: Turandot: Nessun dorma
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Für Elise, WoO 59
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audio: Für Elise, WoO 59
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Waltz No. 2 in A Minor, Op. 34 "Grande valse brillante"
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Etudes de concert: Un sospiro, S. 144/3
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    value: -29.804
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Лучшая классическая музыка: 50 шедевров
type: MusicAlbum
date published: 2023-03-22
track: Адажио Альбинони
  type: MusicRecording
  duration: PT8M17S
  duration ms: 497755
  explicit: false
  by artist: Remo Giazotto
  by artist: Matvey Lapin
  by artist: Katya Kramer-Lapin
  in album: Лучшая классическая музыка: 50 шедевров
    type: MusicAlbum
    date published: 2023-03-22
  genre: classical
  isrc code: EEUV32200035
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T10:22:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa450716c5dcd418736990f9ae8facf0073a0ab3e5b6dbe10998da49b26c163a5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  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/EEUV32200035
  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 0xa450716c5dcd418736990f9ae8facf0073a0ab3e5b6dbe10998da49b26c163a5. 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/EEUV32200035.
    date published: 2026-07-08T08:56:20Z
  audio: Адажио Альбинони
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.668
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.275
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.418
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.101
    additional property: Loudness (dB)
      type: PropertyValue
      value: -30.818
    additional property: Key Name
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      value: C
    additional property: Mode Name
      type: PropertyValue
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track: Шутка (Из Оркестровой сюиты No.2 си минор, BWV 1067)
  type: MusicRecording
  duration: PT1M26S
  duration ms: 86013
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Alex Tor
  in album: Лучшая классическая музыка: 50 шедевров
    type: MusicAlbum
    date published: 2023-03-22
  genre: classical
  genre: classical-piano
  isrc code: EEVR32300003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T02:43:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3fc53c6e27889c6309e981556fd10d8ea209ea9840b614f9116020e3039dce79
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  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/EEVR32300003
  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 0x3fc53c6e27889c6309e981556fd10d8ea209ea9840b614f9116020e3039dce79. 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/EEVR32300003.
    date published: 2026-07-08T03:53:27Z
  audio: Шутка (Из Оркестровой сюиты No.2 си минор, BWV 1067)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.294
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.615
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.856
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.871
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.345
    additional property: Key Name
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    additional property: Mode Name
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track: К Элизе
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199008
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Katya Kramer-Lapin
  in album: Лучшая классическая музыка: 50 шедевров
    type: MusicAlbum
    date published: 2023-03-22
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: EEUV32200021
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T04:18:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2bf049ea4ef88000166916f8734f0cb557edf575e6867d44afbdb0fb0d7d4aa2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: К Элизе
track: Спи, моя радость, усни
track: Зима (Третья часть из концерта "Зима" цикла "Времена года")
track: Щедрик
track: Токката и фуга ре минор
track: Полонез Огинского
track: Прелюдия (Первая часть из Сюиты No. 1 соль мажор, BWV 1007)
track: Адажио (Третья часть Симфонии No. 2, соч. 27 )
track: Лунный свет (Из "Бергамасской сюиты")
track: Вокализ
track: Утро (Из сюиты "Пер Гюнт")
track: Танец Феи Драже (Из сюиты "Щелкунчик", соч. 71a)
track: Этюд "Океан" (Из Этюдов, соч. 10)
track: Ноктюрн No. 20

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEUV32200021

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 0x2bf049ea4ef88000166916f8734f0cb557edf575e6867d44afbdb0fb0d7d4aa2. 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/EEUV32200021.
date published: 2026-07-08T03:20:19Z

К Элизе
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 141.804
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 6
additional property: Danceability
  type: PropertyValue
  value: 0.306
additional property: Energy
  type: PropertyValue
  value: 0.094
additional property: Speechiness
  type: PropertyValue
  value: 0.051
additional property: Acousticness
  type: PropertyValue
  value: 0.994
additional property: Instrumentalness
  type: PropertyValue
  value: 0.896
additional property: Liveness
  type: PropertyValue
  value: 0.071
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.16
additional property: Loudness (dB)
  type: PropertyValue
  value: -28.638
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Спи, моя радость, усни
type: MusicRecording
duration: PT1M15S
duration ms: 75548
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sergey Bryukhno
in album: Лучшая классическая музыка: 50 шедевров
  type: MusicAlbum
  date published: 2023-03-22
genre: classical
genre: classical-era
isrc code: EEVR32300002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T09:34:54+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xeee24c416c2036600696ea71113db3807cb32d2e64367da8019925a6cbb1d7a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
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/EEVR32300002
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 0xeee24c416c2036600696ea71113db3807cb32d2e64367da8019925a6cbb1d7a1. 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/EEVR32300002.
  date published: 2026-07-08T08:56:20Z
audio: Спи, моя радость, усни
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.709
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.337
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.958
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.145
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.353
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Зима (Третья часть из концерта "Зима" цикла "Времена года")
type: MusicRecording
duration: PT3M29S
duration ms: 209000
explicit: false
by artist: Antonio Vivaldi
by artist: Botticelli Trio
in album: Лучшая классическая музыка: 50 шедевров
  type: MusicAlbum
  date published: 2023-03-22
isrc code: LVC411100007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:05:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x824243928c95cf96240abe1b90061b19976a2fddd554367c34f408a73f1438b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/LVC411100007
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 0x824243928c95cf96240abe1b90061b19976a2fddd554367c34f408a73f1438b5. 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/LVC411100007.
  date published: 2026-07-08T03:20:19Z
audio: Зима (Третья часть из концерта "Зима" цикла "Времена года")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.845
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.308
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.807
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.196
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.419
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Щедрик
type: MusicRecording
duration: PT1M12S
duration ms: 72359
explicit: false
by artist: Mykola Leontovych
by artist: Sergey Bryukhno
in album: Лучшая классическая музыка: 50 шедевров
  type: MusicAlbum
  date published: 2023-03-22
isrc code: EEVR32200061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:11:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81a421e53fb3a1f12530d7e9dc4be59b80f746c709ea81a4b91fede90dae8fab
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/EEVR32200061
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 0x81a421e53fb3a1f12530d7e9dc4be59b80f746c709ea81a4b91fede90dae8fab. 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/EEVR32200061.
  date published: 2026-07-02T03:55:08Z
audio: Щедрик
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.394
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.309
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.75
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.741
  additional property: Liveness
    type: PropertyValue
    value: 0.309
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.155
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.444
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Токката и фуга ре минор
type: MusicRecording
duration: PT9M5S
duration ms: 545003
explicit: false
by artist: Johann Sebastian Bach
by artist: Alex Tor
in album: Лучшая классическая музыка: 50 шедевров
  type: MusicAlbum
  date published: 2023-03-22
genre: classical
genre: classical-piano
isrc code: RUB361900007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:23:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef35d9a6bc72bae64ba57429e9315f233ea46d80abfb65b5c27c59b5f2670e20
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/RUB361900007
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
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  date published: 2026-07-08T03:22:41Z
audio: Токката и фуга ре минор
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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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Полонез Огинского
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duration ms: 180319
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by artist: Michał Kleofas Ogiński
by artist: Alex Tor
in album: Лучшая классическая музыка: 50 шедевров
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isrc code: EEVR32300004
additional property: CopyrightID
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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 0xb39a60d4302ac3730118a1b718ccafe3105156fd990ab889ccf5b696a11f3683. 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/EEVR32300004.
  date published: 2026-07-08T08:56:20Z
audio: Полонез Огинского
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Прелюдия (Первая часть из Сюиты No. 1 соль мажор, BWV 1007)
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duration: PT2M37S
duration ms: 157041
explicit: false
by artist: Johann Sebastian Bach
by artist: Dina Bolshakova
in album: Лучшая классическая музыка: 50 шедевров
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  date published: 2023-03-22
genre: classical
genre: classical-piano
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc38585e9fc5b9b93bbbd8acd25251689b9cdca0bb12c669ccde0817ad4432a8b. 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/LVL152005480.
  date published: 2026-07-08T03:20:19Z
audio: Прелюдия (Первая часть из Сюиты No. 1 соль мажор, BWV 1007)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Адажио (Третья часть Симфонии No. 2, соч. 27 )
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duration ms: 235322
explicit: false
by artist: Sergei Rachmaninoff
by artist: Katya Kramer-Lapin
in album: Лучшая классическая музыка: 50 шедевров
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  date published: 2023-03-22
genre: classical
genre: classical-piano
isrc code: EEUV32300076
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0x348bc3dd546ff51448f3908efd27f04395237a245fe8ea268b9446ad630e9978. 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/EEUV32300076.
  date published: 2026-07-08T03:20:19Z
audio: Адажио (Третья часть Симфонии No. 2, соч. 27 )
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  additional property: Energy
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Лунный свет (Из "Бергамасской сюиты")
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duration: PT5M13S
duration ms: 313000
explicit: false
by artist: Claude Debussy
by artist: Katya Kramer-Lapin
in album: Лучшая классическая музыка: 50 шедевров
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  date published: 2023-03-22
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: EEUV32200004
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0x8be429a41b995e925f4fc125b79f9a422c3ec027c1ea5152a03f31f17855b505. 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/EEUV32200004.
  date published: 2026-07-08T08:56:20Z
audio: Лунный свет (Из "Бергамасской сюиты")
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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
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Вокализ
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duration: PT5M26S
duration ms: 326153
explicit: false
by artist: Sergei Rachmaninoff
by artist: Denis Shapovalov
by artist: Alexander Vershinin
in album: Лучшая классическая музыка: 50 шедевров
  type: MusicAlbum
  date published: 2023-03-22
genre: classical
genre: classical-piano
isrc code: EEUV32300011
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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 0xc377a64f3d9afb2e641d88315e23dff8eedc32ab51f3353102902148748041b9. 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/EEUV32300011.
  date published: 2026-07-08T03:22:41Z
audio: Вокализ
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Утро (Из сюиты "Пер Гюнт")
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duration: PT3M39S
duration ms: 219455
explicit: false
by artist: Edvard Grieg
by artist: Vyacheslav Gryaznov
by artist: Katya Kramer-Lapin
in album: Лучшая классическая музыка: 50 шедевров
  type: MusicAlbum
  date published: 2023-03-22
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: EEUV32200023
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
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bea0e1318af6f7f151c6180036bd7226dc8e6a150e8b4d4b3e85c03e1f0e444. 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/EEUV32200023.
  date published: 2026-07-08T08:56:20Z
audio: Утро (Из сюиты "Пер Гюнт")
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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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Танец Феи Драже (Из сюиты "Щелкунчик", соч. 71a)
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by artist: Pyotr Ilyich Tchaikovsky
by artist: Maria Nemtsova
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isrc code: RUB702000002
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: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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audio: Танец Феи Драже (Из сюиты "Щелкунчик", соч. 71a)
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Этюд "Океан" (Из Этюдов, соч. 10)
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by artist: Vladislav Mikhalchuk
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Этюд "Океан" (Из Этюдов, соч. 10)
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Ноктюрн No. 20
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by artist: Katya Kramer-Lapin
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Ноктюрн No. 20
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Best - Mozart
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T15:41:10Z
  audio: Serenade No. 13 in G Major, K. 525, "Eine Kleine Nachtmusik": Allegro
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track: Symphony No. 40 in G Minor, K. 550: Allegro molto
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    date published: 2026-06-13T13:32:09Z
  audio: Symphony No. 40 in G Minor, K. 550: Allegro molto
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track: Concerto No. 21 in C Major for Piano and Orchestra, K. 467: Andante
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  subject of: OpenTimestamps Proof of Existence
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track: Sonata No. 11 in A Major for Piano, K. 331: Rondo "Alla turca"
track: Die Zauberflöte (The Magic Flute), K. 620: Overture
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track: Don Giovanni (Don Juan), K. 527: Overture
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T15:41:10Z

Concerto No. 21 in C Major for Piano and Orchestra, K. 467: Andante
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Sonata No. 11 in A Major for Piano, K. 331: Rondo "Alla turca"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Die Zauberflöte (The Magic Flute), K. 620: Overture
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by artist: Wolfgang Amadeus Mozart
by artist: David Parry
by artist: London Philharmonic Orchestra
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genre: classical-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Die Zauberflöte (The Magic Flute), K. 620: Overture
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Requiem, K. 626: Lacrimosa dies illa
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duration: PT2M49S
duration ms: 169493
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by artist: David Parry
by artist: London Philharmonic Orchestra
by artist: London Philharmonic Choir
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Requiem, K. 626: Lacrimosa dies illa
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Die Zauberflöte (The Magic Flute), K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Queen of the Night's Aria)
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duration: PT2M54S
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by artist: Wolfgang Amadeus Mozart
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by artist: Maszella Holzapfel
by artist: SWR Symphony Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Die Zauberflöte (The Magic Flute), K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Queen of the Night's Aria)
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Concerto in A Major for Clarinet and Orchestra, K. 622: II. Adagio
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by artist: Neithard Bethke
by artist: Elisabeth Ganter
by artist: Pilsen Radio Symphony Orchestra
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genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Concerto in A Major for Clarinet and Orchestra, K. 622: II. Adagio
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Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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duration: PT10M0S
duration ms: 600546
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by artist: Wolfgang Amadeus Mozart
by artist: Tbilisi Symphony Orchestra
by artist: Jansug Kakhidze
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genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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Requiem Mass in D Minor, K. 626: II. Dies irae
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duration: PT1M48S
duration ms: 108893
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by artist: Slovak Philharmonic Orchestra
by artist: Slovak Philharmonic Chorus
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genre: classical
genre: classical-era
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Requiem Mass in D Minor, K. 626: II. Dies irae
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Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
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by artist: Heribert Beissel
by artist: Bonn Classical Philharmonic
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
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Concerto No. 5 in A Major for Violin and Orchestra, K. 219: Allegro aperto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 5 in A Major for Violin and Orchestra, K. 219: Allegro aperto
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Sonata No. 12 in F Major for Piano, K. 332: Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Sonata No. 12 in F Major for Piano, K. 332: Adagio
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Don Giovanni (Don Juan), K. 527: Overture
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Don Giovanni (Don Juan), K. 527: Overture
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Concerto No. 26 in D Major for Piano and Orchestra, K. 537, "Coronation": II. Romanza: (Larghetto con moto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 26 in D Major for Piano and Orchestra, K. 537, "Coronation": II. Romanza: (Larghetto con moto)
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Serenade No. 10 in B-Flat Major, K. 361, "Gran Partita": III. Adagio
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by artist: Zdeněk Košler
by artist: Slovak Philharmonic Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Serenade No. 10 in B-Flat Major, K. 361, "Gran Partita": III. Adagio
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Concerto No. 20 in D Minor for Piano and Orchestra, K. 466: II. Romance
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Concerto No. 20 in D Minor for Piano and Orchestra, K. 466: II. Romance
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Sonata No. 16 in C Major for Piano, K. 545, "Sonata facile": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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Motet in D Major for Choir and Orchestra, K. 618: Ave verum corpus
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Classical Bedtime Music for Kids
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subject of: OpenTimestamps Proof of Existence
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Kinderszenen, Op. 15: IV. Bittendes Kind
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by artist: Walter Klien
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subject of: OpenTimestamps Proof of Existence
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audio: Kinderszenen, Op. 15: IV. Bittendes Kind
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Scheherazade, Op. 35: III. The Young Prince And The Young Princess, Andantino quasi Allegretto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:43:21Z
audio: Scheherazade, Op. 35: III. The Young Prince And The Young Princess, Andantino quasi Allegretto
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5 Lieder, Op. 49: IV. Wiegenlied
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subject of: OpenTimestamps Proof of Existence
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audio: 5 Lieder, Op. 49: IV. Wiegenlied
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The Sleeping Beauty, Op. 66: Pas de six, Var. 3, Miettes qui tombent
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  date published: 2026-07-07T16:43:08Z
audio: The Sleeping Beauty, Op. 66: Pas de six, Var. 3, Miettes qui tombent
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Jeux d'enfants, Op. 22: III. La poupée
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T09:18:01Z
audio: Jeux d'enfants, Op. 22: III. La poupée
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The Nutcracker, Op. 71, Act I: VI. Scene, Dance of the Grandfathers (attacca)
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  date published: 2026-07-08T03:22:41Z
audio: The Nutcracker, Op. 71, Act I: VI. Scene, Dance of the Grandfathers (attacca)
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Nocturnes, Op. 9: No. 2, Andante in E-Flat Major
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subject of: OpenTimestamps Proof of Existence
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The Sleeping Beauty, Op. 66: Pas de six, Var. 1, Candide
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subject of: OpenTimestamps Proof of Existence
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Wiegenlied, D. 498 (Arr. for Orchestra)
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subject of: OpenTimestamps Proof of Existence
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Piano Sonata No. 11 in A Major, K. 331 "Turkish March": I. Tema con variazione
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subject of: OpenTimestamps Proof of Existence
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audio: Piano Sonata No. 11 in A Major, K. 331 "Turkish March": I. Tema con variazione
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Jeux d'enfants, Op. 22: III. La poupée (Andantino quasi andante)
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audio: Jeux d'enfants, Op. 22: III. La poupée (Andantino quasi andante)
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The Nutcracker, Op. 71, Act I: VIII. Scene, A Pine Forest in Winter
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  date published: 2026-07-08T03:53:27Z
audio: The Nutcracker, Op. 71, Act I: VIII. Scene, A Pine Forest in Winter
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Berceuse in D-Flat Major, Op. 57
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audio: Berceuse in D-Flat Major, Op. 57
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Kinderszenen, Op. 15: XII. Kind im Einschlummern
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subject of: OpenTimestamps Proof of Existence
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Vyacheslav Artyomov: A Symphony of Elegies, Awakening & Incantations
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    date published: 2026-07-08T03:20:19Z
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Vyacheslav Artyomov: Elegies
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Greatest Hits - Romance
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T17:25:41Z
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track: Kinderszenen, Op. 15: No. 7, Träumerei (Orchestral Version)
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    date published: 2026-06-13T13:32:09Z
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track: Pavane, Op. 50

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OpenTimestamps Proof of Existence
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date published: 2026-07-07T20:41:57Z

III. Nocturne from String Quartet No. 2 in D Major
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Pavane, Op. 50
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  date published: 2026-07-08T03:22:41Z
audio: Pavane, Op. 50
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