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genre: classical
genre: orchestra
description: Jiří Bělohlávek, (; 24 February 1946 – 31 May 2017) was a Czech conductor. He was a leading interpreter of Czech classical music, and became chief conductor of the Czech Philharmonic Orchestra in 199
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  track: Má Vlast, JB1:112: 3. Sarka
  track: Má Vlast, JB1:112: 4. Z ceskych luhu a haju
  track: Má Vlast, JB1:112: 5. Tábor
  track: Má Vlast, JB1:112: 6. Blanik
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  track: The Bartered Bride: ACT I, Scene 1. Sbor Proč bychom se netěšili
  track: The Bartered Bride: ACT II, Scene 5. Jeník Až uzříš, komus
  track: The Bartered Bride: ACT I, Mařenka Kdybych se co takového
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  track: The Bartered Bride: ACT I, Scene 3. Kecal Jak vám pravím
  track: The Bartered Bride: ACT III, Principál Ohlašujeme slavnému publikum
  track: The Bartered Bride: ACT I, Kecal Mladík slušný a mravů víc tichých
  track: The Bartered Bride: ACT III, Principál, Esmeralda Milostné zvířátko
  track: The Bartered Bride: ACT II, Scene 1. Sbor To pivečko to věru je nebeský dar
  track: The Bartered Bride: ACT III, Scene 4. Mařenka Ne, tomu nevěřím
  track: The Bartered Bride: ACT III, Scene 5. Vašek Co... co pořáde chcete?
  track: The Bartered Bride: ACT III, Všichni Rozmysli si, Mařenko, rozmysli
  track: The Bartered Bride: ACT III, Scene 7. Jeník Mařenko má, Mařenko má
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  track: The Bartered Bride: ACT III, Vašek Ne... ne... nebojte se!
  track: The Bartered Bride: ACT III, Sbor Dobrá věc se podařila
album: Dvořák: Requiem, Biblical Songs, Te Deum
album: Janáček: Glagolitic Mass; Taras Bulba; Sinfonietta; The Fiddler’s Child
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album: Suk: Asrael Symphony; Pohádka
album: Suk: A Fairytale, Fantastic Scherzo
album: Marx: Orchestral Songs and Choral Works
album: Týden nové tvorby 1981
album: Družecký: Double Concerto - Loudová: Dramatic Concerto
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album: Martinů: Les Jeux de Marie, Cycle of 4 Operas
track: Le nozze di Figaro, K. 492: Voi, che sapete (Cherubio)

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Má Vlast, JB1:112: 2. Vltava
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Má Vlast, JB1:112: 3. Sarka
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d800e37fdfe9c88dc1f099366ee34e458496e4b80fe2d42c4ffd781a790842f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBF071700663.
  date published: 2026-06-13T17:25:41Z
audio: Má Vlast, JB1:112: 3. Sarka
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.704
  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: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.824
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.717
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.388
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Má Vlast, JB1:112: 4. Z ceskych luhu a haju
type: MusicRecording
duration: PT12M39S
duration ms: 759239
explicit: false
by artist: Bedřich Smetana
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Smetana: Má Vlast
  type: MusicAlbum
  date published: 2018-01-05
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
isrc code: GBF071700664
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:48:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d27c452944216a967d2a85423bc0350f9b50386280900b765d7eec39b2eac67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071700664
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d27c452944216a967d2a85423bc0350f9b50386280900b765d7eec39b2eac67. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071700664.
  date published: 2026-06-13T15:41:10Z
audio: Má Vlast, JB1:112: 4. Z ceskych luhu a haju
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.843
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.209
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.788
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.719
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.126
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.224
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Má Vlast, JB1:112: 5. Tábor
type: MusicRecording
duration: PT12M33S
duration ms: 753879
explicit: false
by artist: Bedřich Smetana
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Smetana: Má Vlast
  type: MusicAlbum
  date published: 2018-01-05
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
isrc code: GBF071700665
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:00:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e09c8b3c00557105c6b59d0f2aeefd59016e2ad2ebe7e3a427e249c2f8352e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071700665
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e09c8b3c00557105c6b59d0f2aeefd59016e2ad2ebe7e3a427e249c2f8352e1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBF071700665.
  date published: 2026-06-13T17:25:41Z
audio: Má Vlast, JB1:112: 5. Tábor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.46
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.279
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.916
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.801
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.788
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Má Vlast, JB1:112: 6. Blanik
type: MusicRecording
duration: PT14M8S
duration ms: 848410
explicit: false
by artist: Bedřich Smetana
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Smetana: Má Vlast
  type: MusicAlbum
  date published: 2018-01-05
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
isrc code: GBF071700666
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T12:31:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95d9eae757cbe61c56172333278014bd9c0167475ed844638746f9fafaf986b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071700666
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95d9eae757cbe61c56172333278014bd9c0167475ed844638746f9fafaf986b4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071700666.
  date published: 2026-06-13T13:32:09Z
audio: Má Vlast, JB1:112: 6. Blanik
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.956
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.226
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.85
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.833
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.3
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Bartered Bride: Overture
type: MusicRecording
duration: PT6M35S
duration ms: 395059
explicit: false
by artist: Bedřich Smetana
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Bedřich Smetana: The Bartered Bride
  type: MusicAlbum
  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
isrc code: FRZ141109010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T09:00:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb310923968b166dcc142687aa2b2e1cf8bc576a7f0cde680e6df376766708eae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141109010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb310923968b166dcc142687aa2b2e1cf8bc576a7f0cde680e6df376766708eae. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRZ141109010.
  date published: 2026-06-13T17:25:41Z
audio: The Bartered Bride: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.484
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.333
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.857
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.197
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.586
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Bartered Bride: ACT I, Scene 1. Sbor Proč bychom se netěšili
type: MusicRecording
duration: PT8M2S
duration ms: 482626
explicit: false
by artist: Bedřich Smetana
by artist: BBC Singers
by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
in album: Bedřich Smetana: The Bartered Bride
  type: MusicAlbum
  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
isrc code: FRZ141109020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:52:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd5249b72bd4c3a00db21a0d9836ffd9caeecbb980901330f8362119f11fadc36
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/FRZ141109020
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5249b72bd4c3a00db21a0d9836ffd9caeecbb980901330f8362119f11fadc36. 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/FRZ141109020.
  date published: 2026-07-02T03:55:08Z
audio: The Bartered Bride: ACT I, Scene 1. Sbor Proč bychom se netěšili
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.625
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.257
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.31
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.121
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.683
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

8 Slavonic Dances, Op. 46, B.83: No. 1 in C (Presto)
type: MusicRecording
duration: PT4M25S
duration ms: 265707
explicit: false
by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Slavonic Dances Opp. 46 & 72
  type: MusicAlbum
  date published: 2016-10-07
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF071504471
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T06:07:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf5664f765e63ba3e2f73e6324d22eefc4eb964c949f05350389095c833dde3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071504471
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
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8 Slavonic Dances, Op. 46, B.83: No. 2 in E Minor (Allegretto scherzando)
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  date published: 2026-06-13T15:41:10Z
audio: 8 Slavonic Dances, Op. 46, B.83: No. 2 in E Minor (Allegretto scherzando)
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8 Slavonic Dances, Op. 46, B.83: No. 3 in A Flat Major (Poco allegro)
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by artist: Jiří Bělohlávek
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T15:41:10Z
audio: 8 Slavonic Dances, Op. 46, B.83: No. 3 in A Flat Major (Poco allegro)
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8 Slavonic Dances, Op. 46, B.83: No. 4 in F Major (Tempo di minuetto)
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  date published: 2026-06-13T13:32:09Z
audio: 8 Slavonic Dances, Op. 46, B.83: No. 4 in F Major (Tempo di minuetto)
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8 Slavonic Dances, Op. 46, B.83: No. 5 in A Major (Allegro vivace)
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  date published: 2026-06-13T17:25:41Z
audio: 8 Slavonic Dances, Op. 46, B.83: No. 5 in A Major (Allegro vivace)
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8 Slavonic Dances, Op. 46, B.83: No. 6 in D Major (Allegretto scherzando)
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  date published: 2026-06-13T17:25:41Z
audio: 8 Slavonic Dances, Op. 46, B.83: No. 6 in D Major (Allegretto scherzando)
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8 Slavonic Dances, Op. 46, B.83: No. 7 in C Minor (Allegro assai)
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T12:53:06Z
audio: 8 Slavonic Dances, Op. 46, B.83: No. 7 in C Minor (Allegro assai)
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8 Slavonic Dances, Op. 46, B.83: No. 8 in G Minor (Presto)
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duration: PT4M42S
duration ms: 282440
explicit: false
by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Slavonic Dances Opp. 46 & 72
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genre: classical
genre: late-romantic-era
genre: czech-classical
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: 8 Slavonic Dances, Op. 46, B.83: No. 8 in G Minor (Presto)
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8 Slavonic Dances, Op. 72, B. 147: 1. Odzemek. Vivace
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duration: PT4M13S
duration ms: 253653
explicit: false
by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Slavonic Dances Opp. 46 & 72
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genre: classical
genre: late-romantic-era
genre: czech-classical
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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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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: 8 Slavonic Dances, Op. 72, B. 147: 1. Odzemek. Vivace
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8 Slavonic Dances, Op. 72, B. 147: 2. Dumka. Allegretto grazioso
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duration: PT5M41S
duration ms: 341293
explicit: false
by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Dvorák: Slavonic Dances Opp. 46 & 72
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  date published: 2016-10-07
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: CopyrightStatus
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda238bf436c1c03e93e02a691f9ac94ce7744af372d43a86d9687425a2de12fc. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071504482.
  date published: 2026-06-13T12:47:07Z
audio: 8 Slavonic Dances, Op. 72, B. 147: 2. Dumka. Allegretto grazioso
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8 Slavonic Dances, Op. 72, B. 147: 3. Skocná. Allegro
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duration: PT3M40S
duration ms: 220093
explicit: false
by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
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genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF071504483
additional property: CopyrightID
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T19:07:14Z
audio: 8 Slavonic Dances, Op. 72, B. 147: 3. Skocná. Allegro
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8 Slavonic Dances, Op. 72, B. 147: 4. Dumka. Allegretto grazioso
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duration: PT5M33S
duration ms: 333080
explicit: false
by artist: Antonín Dvořák
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
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genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: 8 Slavonic Dances, Op. 72, B. 147: 4. Dumka. Allegretto grazioso
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8 Slavonic Dances, Op. 72, B. 147: 5. Spacírka. Poco Adagio - Vivace
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by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
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genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: CopyrightChainExplorerURL
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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
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: 8 Slavonic Dances, Op. 72, B. 147: 5. Spacírka. Poco Adagio - Vivace
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8 Slavonic Dances, Op. 72, B. 147: 7. Kolo. Allegro vivace
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8 Slavonic Dances, Op. 72, B. 147: 8. Sousedská. Grazioso e lento, ma non troppo, quasi tempo di valse
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Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": II. Largo
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Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": IV. Finale. Allegro con fuoco
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Cello Concerto in E Minor, Op. 85: I. Adagio - Moderato
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Cello Concerto in E Minor, Op. 85: II. Lento - Allegro molto
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audio: Cello Concerto in E Minor, Op. 85: II. Lento - Allegro molto
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Cello Concerto in E Minor, Op. 85: III. Adagio
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by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
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genre: classical
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  date published: 2026-07-02T03:55:08Z
audio: Cello Concerto in E Minor, Op. 85: III. Adagio
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Cello Concerto in E Minor, Op. 85: IV. Allegro - Moderato - Allegro ma non troppo - Poco più lento - Adagio
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  date published: 2026-07-02T03:55:08Z
audio: Cello Concerto in E Minor, Op. 85: IV. Allegro - Moderato - Allegro ma non troppo - Poco più lento - Adagio
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Rondo in G Minor, Op. 94, B. 181
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by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
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genre: classical
genre: late-romantic-era
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  date published: 2026-07-02T11:34:59Z
audio: Rondo in G Minor, Op. 94, B. 181
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From the Bohemian Forest, Op. 68, B. 133: V. Klid (Silent Woods)
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by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
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  date published: 2013-09-23
genre: classical
genre: late-romantic-era
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:55:08Z
audio: From the Bohemian Forest, Op. 68, B. 133: V. Klid (Silent Woods)
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Variations on a Rococo Theme, Op. 33, TH 57: Moderato assai quasi Andante - Thema (Moderato semplice)
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Variations on a Rococo Theme, Op. 33, TH 57: Var: I. Tempo della Thema
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe136fc5c2d6e0da45fac9c9864613bbe5ebd065c4e20c889a5a81058fba6fe08
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/FRZ141211080
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe136fc5c2d6e0da45fac9c9864613bbe5ebd065c4e20c889a5a81058fba6fe08. 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/FRZ141211080.
  date published: 2026-07-02T03:55:08Z
audio: Variations on a Rococo Theme, Op. 33, TH 57: Var: I. Tempo della Thema
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.197
  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: 0.337
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.968
  additional property: Liveness
    type: PropertyValue
    value: 0.407
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.597
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.314
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Variations on a Rococo Theme, Op. 33, TH 57: Var: II. Tempo della Thema
type: MusicRecording
duration: PT1M13S
duration ms: 73573
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Elgar: Cello Concerto / Tchaikovsky: Rococo Variations / Dvořák: Silent Woods; Rondo
  type: MusicAlbum
  date published: 2013-09-23
isrc code: FRZ141211090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:48:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd60c891e26c36e6c0564b804d13b2ada80f7f68636de6801f3bace66aeeea92a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141211090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953515
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:53:06+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd60c891e26c36e6c0564b804d13b2ada80f7f68636de6801f3bace66aeeea92a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141211090.
  date published: 2026-06-13T12:53:06Z
audio: Variations on a Rococo Theme, Op. 33, TH 57: Var: II. Tempo della Thema
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.157
  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: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.134
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.852
  additional property: Liveness
    type: PropertyValue
    value: 0.324
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.159
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.267
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Variations on a Rococo Theme, Op. 33, TH 57: Var: III. Andante sostenuto
type: MusicRecording
duration: PT3M46S
duration ms: 226040
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Elgar: Cello Concerto / Tchaikovsky: Rococo Variations / Dvořák: Silent Woods; Rondo
  type: MusicAlbum
  date published: 2013-09-23
isrc code: FRZ141211100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:11:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfabc6306c6e1116770e86221c4b947a995863b30039e8f4c644f51b7ff64af5c
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/FRZ141211100
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfabc6306c6e1116770e86221c4b947a995863b30039e8f4c644f51b7ff64af5c. 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/FRZ141211100.
  date published: 2026-07-02T03:55:08Z
audio: Variations on a Rococo Theme, Op. 33, TH 57: Var: III. Andante sostenuto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.014
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.148
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.787
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.414
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Variations on a Rococo Theme, Op. 33, TH 57: Var: IV. Andante grazioso
type: MusicRecording
duration: PT1M59S
duration ms: 119786
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Elgar: Cello Concerto / Tchaikovsky: Rococo Variations / Dvořák: Silent Woods; Rondo
  type: MusicAlbum
  date published: 2013-09-23
isrc code: FRZ141211110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T18:33:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2417e1c519254846a910d9090d19d60417d4be9e35fb94fbadd0b20e4927728b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141211110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956312
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T05:09:12+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2417e1c519254846a910d9090d19d60417d4be9e35fb94fbadd0b20e4927728b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141211110.
  date published: 2026-07-02T11:34:59Z
audio: Variations on a Rococo Theme, Op. 33, TH 57: Var: IV. Andante grazioso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.623
  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: 0.39
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.675
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.322
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.94
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Variations on a Rococo Theme, Op. 33, TH 57: Var. V: Allegro moderato
type: MusicRecording
duration: PT3M30S
duration ms: 210373
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Elgar: Cello Concerto / Tchaikovsky: Rococo Variations / Dvořák: Silent Woods; Rondo
  type: MusicAlbum
  date published: 2013-09-23
isrc code: FRZ141211120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T16:55:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac6d52fa8d6957b54bc3c2e595d4105969938ac480b26283d08a580fb0e5a74b
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/FRZ141211120
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac6d52fa8d6957b54bc3c2e595d4105969938ac480b26283d08a580fb0e5a74b. 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/FRZ141211120.
  date published: 2026-07-02T11:38:34Z
audio: Variations on a Rococo Theme, Op. 33, TH 57: Var. V: Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.563
  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: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.048
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.842
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.085
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.863
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Variations on a Rococo Theme, Op. 33, TH 57: Var: VI. Andante
type: MusicRecording
duration: PT2M36S
duration ms: 156573
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Elgar: Cello Concerto / Tchaikovsky: Rococo Variations / Dvořák: Silent Woods; Rondo
  type: MusicAlbum
  date published: 2013-09-23
isrc code: FRZ141211130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T23:38:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x21f233814c8bf8e49051d1f5ffc58323d90a66405a3a54bc0c97dd81490040db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141211130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f233814c8bf8e49051d1f5ffc58323d90a66405a3a54bc0c97dd81490040db. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141211130.
  date published: 2026-06-13T12:47:07Z
audio: Variations on a Rococo Theme, Op. 33, TH 57: Var: VI. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 88.858
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.119
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.165
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.179
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Variations on a Rococo Theme, Op. 33, TH 57: Var: VII. Coda (Allegro vivo)
type: MusicRecording
duration: PT2M13S
duration ms: 133760
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Jean-Guihen Queyras
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Elgar: Cello Concerto / Tchaikovsky: Rococo Variations / Dvořák: Silent Woods; Rondo
  type: MusicAlbum
  date published: 2013-09-23
isrc code: FRZ141211140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T00:04:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf65d718cc03e7d637d8c1efb0a9054cd6fb0d461b3485a29b00fec9759e94149
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/FRZ141211140
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Variations on a Rococo Theme, Op. 33, TH 57: Var: VII. Coda (Allegro vivo)
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Stabat Mater, Op. 58, B. 71: I. Stabat Mater dolorosa. Andante con moto
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by artist: Antonín Dvořák
by artist: Prague Symphony Orchestra
by artist: Prague Philharmonic Choir
by artist: Jiří Bělohlávek
by artist: Jaroslav Brych
by artist: Eva Urbanová
by artist: Marta Benackova
by artist: John Uhlenhopp
by artist: Peter Mikuláš
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genre: classical
genre: late-romantic-era
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Stabat Mater, Op. 58, B. 71: I. Stabat Mater dolorosa. Andante con moto
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Stabat Mater, Op. 58, B. 71: III. Eja, Mater, fons amoris. Andante con moto
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duration ms: 397560
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by artist: Antonín Dvořák
by artist: Prague Symphony Orchestra
by artist: Prague Philharmonic Choir
by artist: Jiří Bělohlávek
by artist: Jaroslav Brych
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popularity: 6
genre: classical
genre: late-romantic-era
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Stabat Mater, Op. 58, B. 71: III. Eja, Mater, fons amoris. Andante con moto
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Mode (Major/Minor)
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Time Signature
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Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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The Bartered Bride: ACT II, Scene 5. Jeník Až uzříš, komus
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duration: PT3M3S
duration ms: 183706
explicit: false
by artist: Bedřich Smetana
by artist: Tomáš Juhás
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
isrc code: FRZ141110040
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44deed8391df4dc7833bac1a239ce01afc356695dc7127f5a231b41f5465dac5. 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/FRZ141110040.
  date published: 2026-07-08T08:56:20Z
audio: The Bartered Bride: ACT II, Scene 5. Jeník Až uzříš, komus
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The Bartered Bride: ACT I, Mařenka Kdybych se co takového
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duration: PT3M43S
duration ms: 223373
explicit: false
by artist: Bedřich Smetana
by artist: Dana Buresova
by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Bartered Bride: ACT I, Mařenka Kdybych se co takového
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The Bartered Bride: ACT I, Mařenka Konečně je celá
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by artist: Dana Buresova
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Bedřich Smetana: The Bartered Bride
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genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: The Bartered Bride: ACT I, Mařenka Konečně je celá
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The Bartered Bride: ACT I, Scene 3. Kecal Jak vám pravím
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by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
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genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: The Bartered Bride: ACT I, Scene 3. Kecal Jak vám pravím
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The Bartered Bride: ACT III, Principál Ohlašujeme slavnému publikum
type: MusicRecording
duration: PT1M27S
duration ms: 87813
explicit: false
by artist: Bedřich Smetana
by artist: Jaroslav Březina
by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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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 0x86c42edd3de80676d8db014a71c01d5466b58342b1ce8d28e381340ad5517500. 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/FRZ141110080.
  date published: 2026-07-08T08:56:20Z
audio: The Bartered Bride: ACT III, Principál Ohlašujeme slavnému publikum
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The Bartered Bride: ACT I, Kecal Mladík slušný a mravů víc tichých
type: MusicRecording
duration: PT3M41S
duration ms: 221720
explicit: false
by artist: Bedřich Smetana
by artist: Jozef Benci
by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
in album: Bedřich Smetana: The Bartered Bride
  type: MusicAlbum
  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc2b54e098df0e3339f823d7f8879d7dc656cbb8ddf220da0b09e0763a731eb. 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/FRZ141109090.
  date published: 2026-07-08T03:22:41Z
audio: The Bartered Bride: ACT I, Kecal Mladík slušný a mravů víc tichých
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The Bartered Bride: ACT III, Principál, Esmeralda Milostné zvířátko
type: MusicRecording
duration: PT1M44S
duration ms: 104240
explicit: false
by artist: Bedřich Smetana
by artist: Jaroslav Březina
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
by artist: Kateřina Kněžíková
in album: Bedřich Smetana: The Bartered Bride
  type: MusicAlbum
  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
isrc code: FRZ141110110
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:22:41Z
audio: The Bartered Bride: ACT III, Principál, Esmeralda Milostné zvířátko
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The Bartered Bride: ACT II, Scene 1. Sbor To pivečko to věru je nebeský dar
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duration: PT5M8S
duration ms: 308373
explicit: false
by artist: Bedřich Smetana
by artist: BBC Singers
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf29445abe9b4183bbf4477b97d89e060eb48fe46a945d0b0ebf037e4a537446c. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/FRZ141109130.
  date published: 2026-07-07T14:50:41Z
audio: The Bartered Bride: ACT II, Scene 1. Sbor To pivečko to věru je nebeský dar
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The Bartered Bride: ACT III, Scene 4. Mařenka Ne, tomu nevěřím
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duration: PT4M9S
duration ms: 249493
explicit: false
by artist: Bedřich Smetana
by artist: Dana Buresova
by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98314ead082d0694d2dc6ef2104c1b904e6e2a66fd0702624a62a8fe5e3a034. 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/FRZ141110140.
  date published: 2026-07-08T03:22:41Z
audio: The Bartered Bride: ACT III, Scene 4. Mařenka Ne, tomu nevěřím
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The Bartered Bride: ACT III, Scene 5. Vašek Co... co pořáde chcete?
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duration: PT1M5S
duration ms: 65653
explicit: false
by artist: Bedřich Smetana
by artist: Aleš Voráček
by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd23ac0df0bdcfc7effa50886ba94991c3bf9133fa2c0156a15158dca6f30f927. 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/FRZ141110150.
  date published: 2026-07-08T03:22:41Z
audio: The Bartered Bride: ACT III, Scene 5. Vašek Co... co pořáde chcete?
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The Bartered Bride: ACT III, Všichni Rozmysli si, Mařenko, rozmysli
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duration ms: 224466
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by artist: BBC Singers
by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02a38533927c7062928a03187ad191c231c034305c5b924f86c33cd6cb7da015. 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/FRZ141110160.
  date published: 2026-07-08T03:53:27Z
audio: The Bartered Bride: ACT III, Všichni Rozmysli si, Mařenko, rozmysli
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The Bartered Bride: ACT III, Scene 7. Jeník Mařenko má, Mařenko má
type: MusicRecording
duration: PT4M16S
duration ms: 256213
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by artist: Bedřich Smetana
by artist: Tomáš Juhás
by artist: Jiří Bělohlávek
by artist: BBC Symphony Orchestra
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a3df557fe84e1d105ed40bb2838c5a84db7589a050b17ab89f465fa83c7d01c. 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/FRZ141110180.
  date published: 2026-07-08T03:20:19Z
audio: The Bartered Bride: ACT III, Scene 7. Jeník Mařenko má, Mařenko má
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The Bartered Bride: ACT III, Jeník Utiš se, dívko, utiš se
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duration: PT3M10S
duration ms: 190440
explicit: false
by artist: Bedřich Smetana
by artist: Tomáš Juhás
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Bedřich Smetana: The Bartered Bride
  type: MusicAlbum
  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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 0x8d8e3c19610fa9a405fe53b8b99b1f63651e1ffb93d460efb3b99639f637de2c. 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/FRZ141110200.
  date published: 2026-07-08T08:56:20Z
audio: The Bartered Bride: ACT III, Jeník Utiš se, dívko, utiš se
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The Bartered Bride: ACT III, Vašek Ne... ne... nebojte se!
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duration: PT0M38S
duration ms: 38866
explicit: false
by artist: Bedřich Smetana
by artist: Aleš Voráček
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Bedřich Smetana: The Bartered Bride
  type: MusicAlbum
  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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 0xd9ab65a801414dcc8e85026d80895cf22574e8a3eaff5e1d41d22ae4be41cef6. 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/FRZ141110230.
  date published: 2026-07-08T08:56:20Z
audio: The Bartered Bride: ACT III, Vašek Ne... ne... nebojte se!
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The Bartered Bride: ACT III, Sbor Dobrá věc se podařila
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duration: PT2M8S
duration ms: 128253
explicit: false
by artist: Bedřich Smetana
by artist: BBC Singers
by artist: BBC Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Bedřich Smetana: The Bartered Bride
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  date published: 2012-09-11
genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Bartered Bride: ACT III, Sbor Dobrá věc se podařila
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Dvořák: Requiem, Biblical Songs, Te Deum
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date published: 2020-03-20
track: Requiem, Op. 89, B. 165 / Part 1: 1. Requiem Aeternam
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  by artist: Ailyn Pérez
  by artist: Christianne Stotijn
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  by artist: Prague Philharmonic Choir
  by artist: Czech Philharmonic
  by artist: Jakub Hrůša
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  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf1140906fbeec17b1874f34a182d38721c976be75e2fdbcd0ad4f326f00598a. 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/GBBBC1900188.
    date published: 2026-07-08T03:22:41Z
  audio: Requiem, Op. 89, B. 165 / Part 1: 1. Requiem Aeternam
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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    additional property: Mode (Major/Minor)
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track: Requiem, Op. 89, B. 165 / Part 1: 4. Tuba Mirum
track: Requiem, Op. 89, B. 165 / Part 1: 7. Confutatis Maledictis
track: Biblical Songs, Op. 99: 1. Oblak a mrákota jest vůkol Něho
track: Biblical Songs, Op. 99: 4. Hospodin jest můj pastýř
track: Biblical Songs, Op. 99: 6. Slyš, ó Bože, volání mé
track: Te Deum, Op. 103, B. 176: 1. Te Deum laudamus
track: Te Deum, Op. 103, B. 176: 3. Aeterna fac cum Sanctis
track: Te Deum, Op. 103, B. 176: 4. Dignare Domine

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Requiem, Op. 89, B. 165 / Part 1: 7. Confutatis Maledictis
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Biblical Songs, Op. 99: 1. Oblak a mrákota jest vůkol Něho
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Biblical Songs, Op. 99: 4. Hospodin jest můj pastýř
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Biblical Songs, Op. 99: 6. Slyš, ó Bože, volání mé
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Te Deum, Op. 103, B. 176: 1. Te Deum laudamus
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2b321cb6f29526e02e737b96110e060a136adfbc267a2dddaf15d1c76a42d7d. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/GBBBC1900211.
  date published: 2026-07-07T14:50:41Z
audio: Te Deum, Op. 103, B. 176: 1. Te Deum laudamus
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  additional property: Valence (Positivity)
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Te Deum, Op. 103, B. 176: 3. Aeterna fac cum Sanctis
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duration: PT2M59S
duration ms: 179320
explicit: false
by artist: Antonín Dvořák
by artist: Prague Philharmonic Choir
by artist: Czech Philharmonic
by artist: Jakub Hrůša
in album: Dvořák: Requiem, Biblical Songs, Te Deum
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genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8d7393e27442fa28f63b88a7eb6808b19d3181722a6be4fc8681f588fd8a96. 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/GBBBC1900213.
  date published: 2026-07-08T03:53:27Z
audio: Te Deum, Op. 103, B. 176: 3. Aeterna fac cum Sanctis
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Te Deum, Op. 103, B. 176: 4. Dignare Domine
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duration: PT5M58S
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explicit: false
by artist: Antonín Dvořák
by artist: Kateřina Kněžíková
by artist: Svatopluk Sem
by artist: Prague Philharmonic Choir
by artist: Czech Philharmonic
by artist: Jakub Hrůša
in album: Dvořák: Requiem, Biblical Songs, Te Deum
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  date published: 2020-03-20
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBBBC1900214
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC1900214
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x570112614d7f7771e1959fa967b85457e7de63f6cef6bf18f46dca87f81a8009. 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/GBBBC1900214.
  date published: 2026-07-08T03:20:19Z
audio: Te Deum, Op. 103, B. 176: 4. Dignare Domine
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Janáček: Glagolitic Mass; Taras Bulba; Sinfonietta; The Fiddler’s Child
type: MusicAlbum
date published: 2018-08-31
track: Glagolitic Mass, JW 3/9: 4. Veruju
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  explicit: false
  by artist: Leoš Janáček
  by artist: Stuart Neill
  by artist: Jan Martiník
  by artist: Prague Philharmonic Choir
  by artist: Aleš Bárta
  by artist: Czech Philharmonic
  by artist: Jiří Bělohlávek
  in album: Janáček: Glagolitic Mass; Taras Bulba; Sinfonietta; The Fiddler’s Child
    type: MusicAlbum
    date published: 2018-08-31
  genre: classical
  genre: czech-classical
  genre: early-modern-classical
  genre: contemporary-classical
  genre: post-romantic-era
  isrc code: GBBBA1800127
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3622a41bca1b3d7c694acd1f61e5668e8e9901c03f93403fbc03183b6af890f7. 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/GBBBA1800127.
    date published: 2026-07-08T03:22:41Z
  audio: Glagolitic Mass, JW 3/9: 4. Veruju
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Glagolitic Mass, JW 3/9: 5. Svet
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  duration: PT6M22S
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  by artist: Leoš Janáček
  by artist: Hibla Gerzmava
  by artist: Veronika Hajnová
  by artist: Stuart Neill
  by artist: Jan Martiník
  by artist: Prague Philharmonic Choir
  by artist: Czech Philharmonic
  by artist: Jiří Bělohlávek
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  genre: early-modern-classical
  genre: contemporary-classical
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800130
  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 0x64b83c076f7e11f76374f17e765211dfb43d021eeaff17544ca41361e2e8b80a. 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/GBBBA1800130.
    date published: 2026-07-08T03:53:27Z
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Glagolitic Mass, JW 3/9: 6. Agnece Bozij
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  duration: PT4M58S
  duration ms: 298105
  explicit: false
  by artist: Leoš Janáček
  by artist: Hibla Gerzmava
  by artist: Veronika Hajnová
  by artist: Stuart Neill
  by artist: Jan Martiník
  by artist: Prague Philharmonic Choir
  by artist: Czech Philharmonic
  by artist: Jiří Bělohlávek
  in album: Janáček: Glagolitic Mass; Taras Bulba; Sinfonietta; The Fiddler’s Child
  genre: classical
  genre: czech-classical
  genre: early-modern-classical
  genre: contemporary-classical
  genre: post-romantic-era
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  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Glagolitic Mass, JW 3/9: 6. Agnece Bozij
track: Glagolitic Mass, JW 3/9: 8. Intrada
track: Sinfonietta, JW 6/18: 3. Moderato
track: Sinfonietta, JW 6/18: 5. Andante con moto
track: Taras Bulba, JW 6/15: 1. The death of Andri
track: Taras Bulba, JW 6/15: 3. The prophecy and the death of Taras Bulba

Hibla Gerzmava
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Veronika Hajnová
type: MusicGroup

Stuart Neill
type: MusicGroup

Jan Martiník
type: MusicGroup

Prague Philharmonic Choir
type: MusicGroup

Czech Philharmonic
type: MusicGroup

Jiří Bělohlávek
type: MusicGroup

Janáček: Glagolitic Mass; Taras Bulba; Sinfonietta; The Fiddler’s Child
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date published: 2018-08-31

CopyrightID
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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x1e9897b12cc891923518b9567db272de4bfc069a41c8af0dd8e76450d7acfe79

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800131

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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 0x1e9897b12cc891923518b9567db272de4bfc069a41c8af0dd8e76450d7acfe79. 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/GBBBA1800131.
date published: 2026-07-08T03:53:27Z

Glagolitic Mass, JW 3/9: 6. Agnece Bozij
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Glagolitic Mass, JW 3/9: 8. Intrada
type: MusicRecording
duration: PT1M43S
duration ms: 103092
explicit: false
by artist: Leoš Janáček
by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
in album: Janáček: Glagolitic Mass; Taras Bulba; Sinfonietta; The Fiddler’s Child
  type: MusicAlbum
  date published: 2018-08-31
genre: classical
genre: czech-classical
genre: early-modern-classical
genre: contemporary-classical
genre: post-romantic-era
isrc code: GBBBA1800133
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
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800133
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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Sinfonietta, JW 6/18: 3. Moderato
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by artist: Czech Philharmonic
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Sinfonietta, JW 6/18: 3. Moderato
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Sinfonietta, JW 6/18: 5. Andante con moto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sinfonietta, JW 6/18: 5. Andante con moto
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Taras Bulba, JW 6/15: 1. The death of Andri
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Taras Bulba, JW 6/15: 1. The death of Andri
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Taras Bulba, JW 6/15: 3. The prophecy and the death of Taras Bulba
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by artist: Jiří Bělohlávek
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Taras Bulba, JW 6/15: 3. The prophecy and the death of Taras Bulba
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Martinů: Field Mass, Memorial to Lidice & Symphony No. 4
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Suk: Asrael Symphony; Pohádka
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date published: 2019-04-26
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Pohádka, Op. 16: 4. Runa’s Curse and how it was broken by True Love
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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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Suk: A Fairytale, Fantastic Scherzo
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Capriccia
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The Noon Witch
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track: Goin' Home
track: Songs My Mother Taught Me, Op. 55 No. 4
track: Silent Woods, Op. 68/5 - version for Cello and Piano: Silent Woods

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date published: 2026-07-02T03:30:09Z

Lasst Mich Alein, Op. 82, B.157
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Goin' Home
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Songs My Mother Taught Me, Op. 55 No. 4
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subject of: OpenTimestamps Proof of Existence
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Silent Woods, Op. 68/5 - version for Cello and Piano: Silent Woods
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Dvorák: Complete Symphonies & Concertos
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track: Symphony No. 6 in D Major, Op. 60, B. 112: I. Allegro non tanto
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track: Symphony No. 2 in B-Flat Major, Op. 4, B. 12: IV. Finale. Allegro con fuoco
track: Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": I. Adagio – Allegro molto
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track: Symphony No. 5 in F Major, Op. 76, B. 54: I. Allegro, ma non troppo
track: Symphony No. 7 in D Minor, Op. 70, B. 141: I. Allegro maestoso
track: Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": II. Largo
track: Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo
track: Symphony No. 5 in F Major, Op. 76, B. 54: II. Andante con moto
track: Cello Concerto in B Minor, Op. 104, B. 191: III. Finale. Allegro moderato
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Symphony No. 4 in D Minor, Op. 13, B. 41: I. Allegro
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Symphony No. 6 in D Major, Op. 60, B. 112: I. Allegro non tanto
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  date published: 2026-07-08T03:53:27Z
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Symphony No. 8 in G Major, Op. 88, B. 163: II. Adagio
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Symphony No. 1 in C Minor, Op. 3, B. 9 "The Bells of Zlonice": II. Adagio di molto
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Symphony No. 4 in D Minor, Op. 13, B. 41: II. Andante sostenuto e molto cantabile
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  date published: 2026-07-08T03:22:41Z
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Symphony No. 8 in G Major, Op. 88, B. 163: IV. Allegro ma non troppo
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  date published: 2026-07-08T03:22:41Z
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Symphony No. 2 in B-Flat Major, Op. 4, B. 12: IV. Finale. Allegro con fuoco
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by artist: Jiří Bělohlávek
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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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Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": I. Adagio – Allegro molto
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by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": I. Adagio – Allegro molto
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Piano Concerto in G Minor, Op. 33: II. Andante sostenuto
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by artist: Jiří Bělohlávek
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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: Piano Concerto in G Minor, Op. 33: II. Andante sostenuto
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Symphony No. 5 in F Major, Op. 76, B. 54: I. Allegro, ma non troppo
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by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 5 in F Major, Op. 76, B. 54: I. Allegro, ma non troppo
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Symphony No. 7 in D Minor, Op. 70, B. 141: I. Allegro maestoso
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by artist: Czech Philharmonic
by artist: Jiří Bělohlávek
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 7 in D Minor, Op. 70, B. 141: I. Allegro maestoso
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Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo
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Symphony No. 5 in F Major, Op. 76, B. 54: II. Andante con moto
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subject of: OpenTimestamps Proof of Existence
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