Jules Bastin
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genre: opera
description: Jules Bastin (18 August 1933, Brussels – 2 December 1996, Waterloo) was a Belgian operatic bass who excelled in both serious and comic roles, and left several recordings. Life and career Born in , he
popularity: 25
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  track: Purcell: Dido and Aeneas, Z. 626, Act III: Song. "When I Am Laid in Earth" (Dido)
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  track: Rusalka, Op. 114: Song to the Moon
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  track: Catalani: La Wally, Act 1: "Ebben, ne andrò lontana" (Wally)
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  track: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt' eine Vilja, ein Waldmägdelein" (Hanna)
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Donizetti: L'elisir d'amore, Act 2: "Una furtiva lagrima" (Nemorino)
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popularity: 39
genre: opera
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  date published: 2026-06-13T17:25:41Z
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  date published: 2026-06-13T17:25:41Z
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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/DEA809431600
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60000545c94712a44eb9238a1c6398b95f50f565446c4fa4a2d682fca703fed4. 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/DEA809431600.
  date published: 2026-06-13T12:47:07Z
audio: Handel: Serse, HWV 40, Act 1, Scene 1: Arioso. "Ombra mai fù" (Serse)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.131
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.57
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.065
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Purcell: Dido and Aeneas, Z. 626, Act III: Song. "When I Am Laid in Earth" (Dido)
type: MusicRecording
duration: PT3M54S
duration ms: 234399
explicit: false
by artist: Henry Purcell
by artist: William Christie
by artist: Véronique Gens
by artist: Les Arts Florissants
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
genre: classical
genre: choral
isrc code: FRZ209401725
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd43025de2d758457351e714d2ca95a6852eeb81f756b4b3ddface9a47d1c4468
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/FRZ209401725
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd43025de2d758457351e714d2ca95a6852eeb81f756b4b3ddface9a47d1c4468. 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/FRZ209401725.
  date published: 2026-06-13T17:25:41Z
audio: Purcell: Dido and Aeneas, Z. 626, Act III: Song. "When I Am Laid in Earth" (Dido)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.457
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.025
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.304
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
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    value: -25.477
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi, che sapete che cosa è amor" (Cherubino)
type: MusicRecording
duration: PT2M52S
duration ms: 172546
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Daniel Barenboim
by artist: Cecilia Bartoli
by artist: Berliner Philharmoniker
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 35
genre: classical
genre: classical-era
isrc code: FRZ209000402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T08:22:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6124bee5a64493500c931fa5ad5a7fe49cbe906baf31486194bca27569559f59
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/FRZ209000402
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6124bee5a64493500c931fa5ad5a7fe49cbe906baf31486194bca27569559f59. 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/FRZ209000402.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi, che sapete che cosa è amor" (Cherubino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.449
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.316
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.176
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.369
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Bizet: Les pêcheurs de perles, Act 1: "Au fond du temple saint" (Nadir, Zurga)
type: MusicRecording
duration: PT4M9S
duration ms: 249466
explicit: false
by artist: Georges Bizet
by artist: Carlo Rizzi
by artist: Orchestra of Welsh National Opera
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 41
genre: classical
genre: opera
isrc code: DEA809370127
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:58:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbce29676b65f9430bf00783d4e4f06961fc007e016cca6d0382581052685fd95
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/DEA809370127
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbce29676b65f9430bf00783d4e4f06961fc007e016cca6d0382581052685fd95. 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/DEA809370127.
  date published: 2026-06-13T12:47:07Z
audio: Bizet: Les pêcheurs de perles, Act 1: "Au fond du temple saint" (Nadir, Zurga)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.187
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.364
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.068
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.187
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Cosi fan tutte, K. 588, Act 1: "Soave sia il sento" (Fiordiligi, Dorabella, Don Alfonso)
type: MusicRecording
duration: PT3M4S
duration ms: 184640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alain Lombard
by artist: Frederica von Stade
by artist: Jules Bastin
by artist: Kiri Te Kanawa
by artist: Orchestre Philharmonique De Strasbourg
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 39
genre: classical
genre: classical-era
isrc code: FRZ207702418
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:58:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf01856aa0cf30e139cdf5e6a31b8424a17ba514d09a6fa72c09e1fd8f57e9cca
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/FRZ207702418
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf01856aa0cf30e139cdf5e6a31b8424a17ba514d09a6fa72c09e1fd8f57e9cca. 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/FRZ207702418.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Cosi fan tutte, K. 588, Act 1: "Soave sia il sento" (Fiordiligi, Dorabella, Don Alfonso)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.557
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.181
  additional property: Energy
    type: PropertyValue
    value: 0.23
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.148
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.581
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Saint-Saëns: Samson et Dalila, Op. 47, Act II, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
type: MusicRecording
duration: PT3M17S
duration ms: 197666
explicit: false
by artist: Camille Saint-Saëns
by artist: Sir Colin Davis
by artist: José Cura
by artist: Olga Borodina
by artist: London Symphony Orchestra
by artist: Colin Davis
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
genre: classical
genre: late-romantic-era
genre: french-romanticism
isrc code: FRZ209809001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:57:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x851395da7e0aaad1b78e791c26949f7a70aca373f437851ea6114596ffffd9c6
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/FRZ209809001
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x851395da7e0aaad1b78e791c26949f7a70aca373f437851ea6114596ffffd9c6. 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/FRZ209809001.
  date published: 2026-06-13T17:25:41Z
audio: Saint-Saëns: Samson et Dalila, Op. 47, Act II, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.177
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.126
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 3: "Pourquoi me réveiller"
type: MusicRecording
duration: PT2M23S
duration ms: 143599
explicit: false
by artist: Jules Massenet
by artist: Kent Nagano
by artist: Anne Sofie von Otter
by artist: Jerry Hadley
by artist: Orchestre de l'Opéra de Lyon
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
genre: classical
isrc code: FRZ209516126
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:46:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd46ad74f8c9f22b5fd1e3088ec343b6f54462ca3c6ca57e9e9aef3080987b4a5
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/FRZ209516126
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd46ad74f8c9f22b5fd1e3088ec343b6f54462ca3c6ca57e9e9aef3080987b4a5. 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/FRZ209516126.
  date published: 2026-06-13T15:41:10Z
audio: Massenet: Werther, Act 3: "Pourquoi me réveiller"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.745
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.189
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.043
  additional property: Liveness
    type: PropertyValue
    value: 0.494
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.879
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Verdi: Rigoletto, Act 3: "La donna è mobile" (Duca)
type: MusicRecording
duration: PT2M20S
duration ms: 140999
explicit: false
by artist: Giuseppe Verdi
by artist: Carlo Rizzi
by artist: Orchestra of Welsh National Opera
by artist: Richard Leech
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 32
genre: classical
genre: opera
isrc code: DEA809360028
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T05:41:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefbbf9e79ad703f58344ed86017f60483b0ff81dc54e5621fb9a31e46bae5a58
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/DEA809360028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefbbf9e79ad703f58344ed86017f60483b0ff81dc54e5621fb9a31e46bae5a58. 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/DEA809360028.
  date published: 2026-06-13T15:41:10Z
audio: Verdi: Rigoletto, Act 3: "La donna è mobile" (Duca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.79
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.333
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.14
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.696
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
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Rusalka, Op. 114: Song to the Moon
type: MusicRecording
duration: PT5M58S
duration ms: 358760
explicit: false
by artist: Antonín Dvořák
by artist: Lesley Garrett
by artist: Andrew Greenwood
by artist: Philharmonia Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBAJC9700553
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:41:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x901f6efcfcf758f1777a78320fa2e88f4a326f1b9aa31b76b77fbb8bf7cb822b
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/GBAJC9700553
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x901f6efcfcf758f1777a78320fa2e88f4a326f1b9aa31b76b77fbb8bf7cb822b. 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/GBAJC9700553.
  date published: 2026-06-13T17:25:41Z
audio: Rusalka, Op. 114: Song to the Moon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.891
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.246
  additional property: Energy
    type: PropertyValue
    value: 0.129
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.939
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
type: MusicRecording
duration: PT4M29S
duration ms: 269986
explicit: false
by artist: Giacomo Puccini
by artist: Cristina Gallardo-Domas
by artist: Maurizio Barbacini
by artist: Das Münchner Rundfunkorchester
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 32
isrc code: DEA800028300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:46:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe64eab5d572525d14767f821b7623467be2fade2824f132eddac583ae179ad0f
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/DEA800028300
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe64eab5d572525d14767f821b7623467be2fade2824f132eddac583ae179ad0f. 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/DEA800028300.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.455
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.037
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Manon Lescaut, Act 1: "Donna non vidi mai" (Des Grieux)
type: MusicRecording
duration: PT2M34S
duration ms: 154599
explicit: false
by artist: Giacomo Puccini
by artist: José Cura
by artist: Philharmonia Orchestra
by artist: Plácido Domingo
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
isrc code: FRZ209704300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:57:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x686f5b6f9bc19f2dd94df3f53788f96885ae808ea2d1fff45e79867588180c6c
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/FRZ209704300
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x686f5b6f9bc19f2dd94df3f53788f96885ae808ea2d1fff45e79867588180c6c. 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/FRZ209704300.
  date published: 2026-06-13T17:25:41Z
audio: Puccini: Manon Lescaut, Act 1: "Donna non vidi mai" (Des Grieux)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.929
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.193
  additional property: Energy
    type: PropertyValue
    value: 0.188
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.256
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.15
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.032
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Flotow: Martha, Act 3: "Ach so fromm" (Lionel)
type: MusicRecording
duration: PT3M31S
duration ms: 211066
explicit: false
by artist: Friedrich von Flotow
by artist: Luciano Pavarotti
by artist: Richard Bonynge
by artist: New Philharmonia Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
isrc code: GBF077300010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:38:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6828d2c16416a95300103ef0781f0d503275f68bc0512125fe8c5b579842ac5d
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/GBF077300010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6828d2c16416a95300103ef0781f0d503275f68bc0512125fe8c5b579842ac5d. 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/GBF077300010.
  date published: 2026-06-13T15:41:10Z
audio: Flotow: Martha, Act 3: "Ach so fromm" (Lionel)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.788
  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: 0.206
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.068
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
type: MusicRecording
duration: PT3M5S
duration ms: 185893
explicit: false
by artist: Giacomo Puccini
by artist: Kiri Te Kanawa
by artist: Kent Nagano
by artist: Orchestre de l'Opéra de Lyon
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
isrc code: FRZ209630600
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:44:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51abaf79ee94ac169c3caf48b4cfe39c55ce2385896843e3a2ceb815a2dd5454
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/FRZ209630600
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51abaf79ee94ac169c3caf48b4cfe39c55ce2385896843e3a2ceb815a2dd5454. 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/FRZ209630600.
  date published: 2026-06-13T15:41:10Z
audio: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.608
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.056
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.755
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La bohème, Act 1: "Che gelida manina" (Rodolfo)
type: MusicRecording
duration: PT4M25S
duration ms: 265880
explicit: false
by artist: Giacomo Puccini
by artist: James Conlon
by artist: José Carreras
by artist: Orchestre National De France
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
isrc code: FRZ208701403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:44:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71e6bc63d7ec9b5edddff74b9c57cb681125c675a700cc187f6640798df48485
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/FRZ208701403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71e6bc63d7ec9b5edddff74b9c57cb681125c675a700cc187f6640798df48485. 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/FRZ208701403.
  date published: 2026-06-13T15:41:10Z
audio: Puccini: La bohème, Act 1: "Che gelida manina" (Rodolfo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.511
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.254
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.123
  additional property: Loudness (dB)
    type: PropertyValue
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Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì, Rodolfo, Schaunard, Colline, Marcello)
type: MusicRecording
duration: PT5M32S
duration ms: 332413
explicit: false
by artist: Giacomo Puccini
by artist: Barbara Hendricks
by artist: Francesco Ellero D'Artegna
by artist: Gino Quilico
by artist: James Conlon
by artist: José Carreras
by artist: Orchestre National De France
by artist: Richard Cowan
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
isrc code: FRZ208701404
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208701404
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf277fc565da5cd63cb323b4b6c0f6e27217703dd12a41592eb8324f5aba81f89. 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/FRZ208701404.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì, Rodolfo, Schaunard, Colline, Marcello)
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  additional property: Tempo (BPM)
    type: PropertyValue
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Puccini: La bohème, Act 1: "O soave fanciulla" (Rodolfo, Mimì)
type: MusicRecording
duration: PT4M8S
duration ms: 248360
explicit: false
by artist: Giacomo Puccini
by artist: James Conlon
by artist: Barbara Hendricks
by artist: José Carreras
by artist: Orchestre National De France
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
isrc code: FRZ208701405
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208701405
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe72529187322b0b27f1ca1d6d182d9c0407c9f53777cd05a8825fe9fdc1803a3. 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/FRZ208701405.
  date published: 2026-06-13T17:25:41Z
audio: Puccini: La bohème, Act 1: "O soave fanciulla" (Rodolfo, Mimì)
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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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    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Valence (Positivity)
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Puccini: Gianni Schicchi, Act 1: "O mio babbino caro" (Lauretta)
type: MusicRecording
duration: PT2M31S
duration ms: 151693
explicit: false
by artist: Giacomo Puccini
by artist: Cristina Gallardo-Domas
by artist: Maurizio Barbacini
by artist: Das Münchner Rundfunkorchester
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
isrc code: DEA800028800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x9773b49bb3c093261121278051514676eb34a6838b7b28eb960cafc7f0092fa7
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/DEA800028800
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9773b49bb3c093261121278051514676eb34a6838b7b28eb960cafc7f0092fa7. 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/DEA800028800.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: Gianni Schicchi, Act 1: "O mio babbino caro" (Lauretta)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Catalani: La Wally, Act 1: "Ebben, ne andrò lontana" (Wally)
type: MusicRecording
duration: PT3M43S
duration ms: 223386
explicit: false
by artist: Alfredo Catalani
by artist: Cristina Gallardo-Domas
by artist: Maurizio Barbacini
by artist: Das Münchner Rundfunkorchester
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 29
genre: opera
isrc code: DEA800027700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T02:14:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71415bd52c9ac0a2a357af98806e267b723b1827b2b86e53008b0bcd84e8d225
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800027700
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71415bd52c9ac0a2a357af98806e267b723b1827b2b86e53008b0bcd84e8d225. 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/DEA800027700.
  date published: 2026-06-13T13:32:09Z
audio: Catalani: La Wally, Act 1: "Ebben, ne andrò lontana" (Wally)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.841
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Offenbach: Les contes d'Hoffman, Act 4: Barcarolle - "Belle nuit, ô nuit d'amour" (Giulietta, Niklausse)
type: MusicRecording
duration: PT2M31S
duration ms: 151759
explicit: false
by artist: Jacques Offenbach
by artist: Jennifer Larmore
by artist: Hei-Kyung Hong
by artist: Jesús López-Cobos
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 35
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: DEA809809001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809809001
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433cdbd959a88dc9658d36c95320f03a7b0776743c528513549f04f85bcb60d2. 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/DEA809809001.
  date published: 2026-06-13T17:25:41Z
audio: Offenbach: Les contes d'Hoffman, Act 4: Barcarolle - "Belle nuit, ô nuit d'amour" (Giulietta, Niklausse)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.147
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.309
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.134
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.987
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Bizet: Carmen, WD 31, Act 2: "La fleur que tu m'avais jetée" (Don José)
type: MusicRecording
duration: PT4M4S
duration ms: 244253
explicit: false
by artist: Georges Bizet
by artist: Lorin Maazel
by artist: Orchestre National De France
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 28
genre: classical
genre: opera
isrc code: FRZ208211333
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208211333
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaa6fc445a116d92d211e562603b99d49e37863ef21573ea0d6096b8cbc769a2. 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/FRZ208211333.
  date published: 2026-06-13T15:41:10Z
audio: Bizet: Carmen, WD 31, Act 2: "La fleur que tu m'avais jetée" (Don José)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.773
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.069
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Puccini: Turandot, Act 1: "Signore ascolta!" (Liù)
type: MusicRecording
duration: PT2M42S
duration ms: 162639
explicit: false
by artist: Giacomo Puccini
by artist: Kiri Te Kanawa
by artist: Kent Nagano
by artist: Orchestre de l'Opéra de Lyon
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
isrc code: FRZ209632100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-08T02:22:32+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209632100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Puccini: Turandot, Act 1: "Signore ascolta!" (Liù)
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Verdi: La traviata, Act 1: "Un dì felice" (Alfredo, Violetta, Gastone)
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by artist: Giuseppe Verdi
by artist: Carlo Rizzi
by artist: Edita Gruberova
by artist: London Symphony Orchestra
by artist: Neil Shicoff
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popularity: 28
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: 2026-06-13T15:41:10Z
audio: Verdi: La traviata, Act 1: "Un dì felice" (Alfredo, Violetta, Gastone)
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Delibes: Lakmé, Act 1: Flower Duet - "Dôme épais le jasmin" (Lakmé, Mallika)
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duration: PT4M38S
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by artist: Jennifer Larmore
by artist: Hei-Kyung Hong
by artist: Jesús López-Cobos
by artist: Munich Radio Orchestra
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popularity: 33
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: 2026-06-13T17:25:41Z
audio: Delibes: Lakmé, Act 1: Flower Duet - "Dôme épais le jasmin" (Lakmé, Mallika)
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Mozart: Le nozze di Figaro, Act 2: "Porgi amor qualche ristoro" (La Contessa)
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by artist: Wolfgang Amadeus Mozart
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by artist: Berliner Philharmoniker
by artist: Lella Cuberli
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popularity: 28
genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Le nozze di Figaro, Act 2: "Porgi amor qualche ristoro" (La Contessa)
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Mozart: Don Giovanni, K. 527, Act 1: "Dalla sua pace" (Don Ottavio)
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by artist: Wolfgang Amadeus Mozart
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by artist: Hans Peter Blochwitz
by artist: Royal Concertgebouw Orchestra
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popularity: 28
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: 2026-06-13T13:32:09Z
audio: Mozart: Don Giovanni, K. 527, Act 1: "Dalla sua pace" (Don Ottavio)
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Rossini: Il barbiere di Siviglia, Act 1, No. 5: Una voce poco fa
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by artist: Jesús López-Cobos
by artist: Orchestre de Chambre de Lausanne
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popularity: 27
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: 2026-06-13T13:32:09Z
audio: Rossini: Il barbiere di Siviglia, Act 1, No. 5: Una voce poco fa
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Handel: Rinaldo, HWV 7, Act 2: Aria. "Lascia ch'io pianga" (Almirena)
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duration: PT4M34S
duration ms: 274973
explicit: false
by artist: George Frideric Handel
by artist: Claudio Scimone
by artist: I Solisti Veneti
by artist: Marilyn Horne
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popularity: 28
genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Handel: Rinaldo, HWV 7, Act 2: Aria. "Lascia ch'io pianga" (Almirena)
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Gluck: Orphée et Eurydice, Act 3: "J'ai perdu mon Eurydice" (Orphée)
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by artist: Susan Graham
by artist: Harry Bicket
by artist: Orchestra of the Age of Enlightenment
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popularity: 27
genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Gluck: Orphée et Eurydice, Act 3: "J'ai perdu mon Eurydice" (Orphée)
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Verdi: Aïda, Act 1: "Celeste Aïda" (Radames)
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duration ms: 282493
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by artist: Plácido Domingo
by artist: Nello Santi
by artist: Berlin Deutsche Oper Orchestra
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popularity: 28
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: 2026-06-13T17:25:41Z
audio: Verdi: Aïda, Act 1: "Celeste Aïda" (Radames)
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Mozart: Don Giovanni, Act 2: "Deh vieni alla fenestra" (Don Giovanni)
type: MusicRecording
duration: PT2M16S
duration ms: 136626
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by artist: Wolfgang Amadeus Mozart
by artist: Bryn Terfel
by artist: Sir Georg Solti
by artist: London Philharmonic Orchestra
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  date published: 2008-11-06
popularity: 26
genre: classical
genre: classical-era
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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: 2026-06-13T13:32:09Z
audio: Mozart: Don Giovanni, Act 2: "Deh vieni alla fenestra" (Don Giovanni)
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Puccini: La rondine, Act 1: "Chi il bel sogno di Doretta" (Magda)
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duration: PT2M58S
duration ms: 178013
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by artist: Giacomo Puccini
by artist: Kiri Te Kanawa
by artist: Kent Nagano
by artist: Orchestre de l'Opéra de Lyon
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popularity: 26
isrc code: FRZ209631700
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Puccini: La rondine, Act 1: "Chi il bel sogno di Doretta" (Magda)
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Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
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by artist: Plácido Domingo
by artist: Nello Santi
by artist: Orchestra of the Deutsche Oper Berlin
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popularity: 30
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
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Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt' eine Vilja, ein Waldmägdelein" (Hanna)
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duration: PT4M53S
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by artist: Karita Mattila
by artist: Yutaka Sado
by artist: London Philharmonic Orchestra
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  date published: 2008-11-06
popularity: 26
genre: opera
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt' eine Vilja, ein Waldmägdelein" (Hanna)
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Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
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duration: PT2M52S
duration ms: 172453
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by artist: Giacomo Puccini
by artist: Zubin Mehta
by artist: Orchestra Sinfonica di Roma della RAI
by artist: Plácido Domingo
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popularity: 31
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
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Verdi: Otello, Act 4: "Ave Maria" (Desdemona)
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duration: PT4M43S
duration ms: 283919
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by artist: Giuseppe Verdi
by artist: Cristina Gallardo-Domas
by artist: Maurizio Barbacini
by artist: Das Münchner Rundfunkorchester
by artist: Munich Radio Orchestra
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  type: MusicAlbum
  date published: 2008-11-06
popularity: 26
genre: classical
genre: opera
isrc code: DEA800028200
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  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:40:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x42507884e0885422141eaa13ca2751346a35d02234b11f8b60323a48608cd349
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/DEA800028200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42507884e0885422141eaa13ca2751346a35d02234b11f8b60323a48608cd349. 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/DEA800028200.
  date published: 2026-06-13T15:41:10Z
audio: Verdi: Otello, Act 4: "Ave Maria" (Desdemona)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.058
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.171
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.368
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner: Tristan und Isolde, Act 3: Liebestod. "Mild und leise wie er lächelt" (Isolde)
type: MusicRecording
duration: PT6M57S
duration ms: 417613
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Waltraud Meier
by artist: Berliner Philharmoniker
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 26
genre: classical
genre: opera
isrc code: DEA809428636
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:35:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5ab991256c3afae64546ff79dc5097982c5e870adc7ba6a81a8670fac978573
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/DEA809428636
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ab991256c3afae64546ff79dc5097982c5e870adc7ba6a81a8670fac978573. 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/DEA809428636.
  date published: 2026-06-13T15:41:10Z
audio: Wagner: Tristan und Isolde, Act 3: Liebestod. "Mild und leise wie er lächelt" (Isolde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.889
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.163
  additional property: Energy
    type: PropertyValue
    value: 0.251
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.232
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.993
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Le nozze di Figaro (Highlights)
type: MusicAlbum
date published: 1979-01-01
track: Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175333
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Frederica von Stade
  by artist: Wiener Philharmoniker
  by artist: Herbert von Karajan
  in album: Mozart: Le nozze di Figaro (Highlights)
    type: MusicAlbum
    date published: 1979-01-01
  genre: classical
  genre: classical-era
  isrc code: GBF077840907
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T22:20:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x99f54ab58ac6753961860ff35ac1fbdc8212c69399c0354aaf90c9198e3648f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077840907
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99f54ab58ac6753961860ff35ac1fbdc8212c69399c0354aaf90c9198e3648f6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077840907.
    date published: 2026-07-02T03:30:09Z
  audio: Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.285
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.298
    additional property: Energy
      type: PropertyValue
      value: 0.056
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.966
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.134
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.111
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.406
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Berlioz: Romeo Et Juliette, Op. 17
type: MusicAlbum
date published: 1992-01-01

Mozart: Le nozze di Figaro, K. 492
type: MusicAlbum
date published: 2016-01-01

Berlioz: Béatrice et Bénédict
type: MusicAlbum
date published: 1979-05-01

Auber: Fra Diavolo
type: MusicAlbum
date published: 1984-01-01

Verdi: Attila
type: MusicAlbum
date published: 1973-01-01
track: Attila / Prologue: "Urli, rapine"
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107893
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Ambrosian Singers
  by artist: Finchley Children's Music Group
  by artist: Royal Philharmonic Orchestra
  by artist: Lamberto Gardelli
  in album: Verdi: Attila
    type: MusicAlbum
    date published: 1973-01-01
  genre: classical
  genre: opera
  isrc code: NLA507200795
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T11:25:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa35775b53e420e618f660c4dd0a1c5b48dd8a66e7d45291a31db8323f3fa52c8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200795
  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 0xa35775b53e420e618f660c4dd0a1c5b48dd8a66e7d45291a31db8323f3fa52c8. 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/NLA507200795.
    date published: 2026-07-08T03:53:27Z
  audio: Attila / Prologue: "Urli, rapine"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 170.095
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.354
    additional property: Energy
      type: PropertyValue
      value: 0.31
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.291
    additional property: Liveness
      type: PropertyValue
      value: 0.548
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.242
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.095
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Attila / Prologue: "Eroi, levatevi"
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142466
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Ruggero Raimondi
  by artist: Ambrosian Singers
  by artist: Finchley Children's Music Group
  by artist: Royal Philharmonic Orchestra
  by artist: Lamberto Gardelli
  in album: Verdi: Attila
    type: MusicAlbum
    date published: 1973-01-01
  genre: classical
  genre: opera
  isrc code: NLA507200796
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T09:41:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4053bceb42785b1d3d3072a31fda7db669e460e82b912520eb9da121b406795d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200796
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4053bceb42785b1d3d3072a31fda7db669e460e82b912520eb9da121b406795d. 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/NLA507200796.
    date published: 2026-07-08T03:22:41Z
  audio: Attila / Prologue: "Eroi, levatevi"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.274
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.513
    additional property: Energy
      type: PropertyValue
      value: 0.153
    additional property: Speechiness
      type: PropertyValue
      value: 0.221
    additional property: Acousticness
      type: PropertyValue
      value: 0.989
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.378
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.176
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.27
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Attila / Prologue: "Vanitosi!"
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137106
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Ruggero Raimondi
  by artist: Sherrill Milnes
  by artist: Royal Philharmonic Orchestra
  by artist: Lamberto Gardelli
  in album: Verdi: Attila
    type: MusicAlbum
    date published: 1973-01-01
  genre: classical
  genre: opera
  isrc code: NLA507200804
  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: Attila / Prologue: "Vanitosi!"
track: Attila / Prologue: "L'alito del mattin - Preghiam!"
track: Attila / Prologue: "Ella in poter del barbaro!"
track: Attila / Act 1: "Oh! nel fuggente nuvolo"
track: Attila / Act 1: "Sì, quell'io son"
track: Attila / Act 1: "Va! Racconta al sacrilego"

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T18:28:05+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x0efa8a56e4211235c1bd4ea92f577c024592801eb805dfecb3b7f9bdd8642ebd

OTSHash
type: PropertyValue

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/NLA507200804

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 0x0efa8a56e4211235c1bd4ea92f577c024592801eb805dfecb3b7f9bdd8642ebd. 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/NLA507200804.
date published: 2026-07-08T03:53:27Z

Attila / Prologue: "Vanitosi!"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 112.546
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: 0.531
additional property: Energy
  type: PropertyValue
  value: 0.205
additional property: Speechiness
  type: PropertyValue
  value: 0.084
additional property: Acousticness
  type: PropertyValue
  value: 0.974
additional property: Instrumentalness
  type: PropertyValue
  value: 0.003
additional property: Liveness
  type: PropertyValue
  value: 0.247
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.775
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.51
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Attila / Prologue: "L'alito del mattin - Preghiam!"
type: MusicRecording
duration: PT1M46S
duration ms: 106000
explicit: false
by artist: Giuseppe Verdi
by artist: Ambrosian Singers
by artist: Finchley Children's Music Group
by artist: Royal Philharmonic Orchestra
by artist: Lamberto Gardelli
in album: Verdi: Attila
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: NLA507200806
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:28:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd10e535f17163c321536c312370f86e4aae682122b4470f3e1c0945e2b73800c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200806
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd10e535f17163c321536c312370f86e4aae682122b4470f3e1c0945e2b73800c. 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/NLA507200806.
  date published: 2026-07-08T03:20:19Z
audio: Attila / Prologue: "L'alito del mattin - Preghiam!"
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Attila / Prologue: "Ella in poter del barbaro!"
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by artist: Carlo Bergonzi
by artist: Ambrosian Singers
by artist: Finchley Children's Music Group
by artist: Royal Philharmonic Orchestra
by artist: Lamberto Gardelli
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  date published: 1973-01-01
genre: classical
genre: opera
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Attila / Prologue: "Ella in poter del barbaro!"
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Attila / Act 1: "Oh! nel fuggente nuvolo"
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by artist: Cristina Deutekom
by artist: Royal Philharmonic Orchestra
by artist: Lamberto Gardelli
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Attila / Act 1: "Oh! nel fuggente nuvolo"
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Attila / Act 1: "Sì, quell'io son"
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by artist: Carlo Bergonzi
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by artist: Royal Philharmonic Orchestra
by artist: Lamberto Gardelli
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Attila / Act 1: "Sì, quell'io son"
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Attila / Act 1: "Va! Racconta al sacrilego"
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by artist: Giuseppe Verdi
by artist: Carlo Bergonzi
by artist: Cristina Deutekom
by artist: Royal Philharmonic Orchestra
by artist: Lamberto Gardelli
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Attila / Act 1: "Va! Racconta al sacrilego"
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Mozart: Le Nozze di Figaro
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Strauss, R.: Der Rosenkavalier
type: MusicAlbum
date published: 1977-01-01

Auber: Le Domino noir; Gustave III Ballet Music
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track: Le Domino noir / Act 2: La belle Inès fait florès
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  by artist: Sumi Jo
  by artist: Bruce Ford
  by artist: Patrick Power
  by artist: English Chamber Orchestra
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Le Domino noir / Act 2: La belle Inès fait florès
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Debussy: The Complete Works
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date published: 2017-02-07
track: Debussy: Danse bohémienne, CD 4, L. 9
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Debussy: Mazurka, CD 75, L. 67
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b9a0d7c73d7b4fb868539214d1ba6ce1bc2f1beb7a22e5f03f6d54a3dc70a4e. 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/FRZ110902295.
    date published: 2026-07-08T03:22:41Z
  audio: Debussy: Mazurka, CD 75, L. 67
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.299
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.929
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.06
    additional property: Key Name
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      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Debussy: Rêverie, CD 76, L. 68
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299106
  explicit: false
  by artist: Claude Debussy
  by artist: Aldo Ciccolini
  in album: Debussy: The Complete Works
    type: MusicAlbum
    date published: 2017-02-07
  popularity: 3
  genre: classical
  genre: impressionism
  genre: post-romantic-era
  isrc code: FRZ110902250
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  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: Debussy: Rêverie, CD 76, L. 68
track: Debussy: Tarantelle styrienne, CD 77, L. 69
track: Debussy: Ballade slave, CD 78, L. 70
track: Debussy: Valse romantique, CD 79, L. 71
track: Debussy: Suite bergamasque, CD 82, L. 75: II. Menuet
track: Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
track: Debussy: Suite bergamasque, CD 82, L. 75: IV. Passepied
track: Debussy: 2 Arabesques, CD 74, L. 66: No. 1, Andantino con moto

CopyrightRegisteredAt
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CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xe2ad743aa1c98f0436ac15a4fd4290cf41a1f327ead3de0c0019353c7308e777

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957145

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957145

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110902250

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

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 0xe2ad743aa1c98f0436ac15a4fd4290cf41a1f327ead3de0c0019353c7308e777. 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/FRZ110902250.
date published: 2026-07-08T08:56:20Z

Debussy: Rêverie, CD 76, L. 68
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.303
additional property: Energy
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additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.995
additional property: Instrumentalness
  type: PropertyValue
  value: 0.927
additional property: Liveness
  type: PropertyValue
  value: 0.083
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.152
additional property: Loudness (dB)
  type: PropertyValue
  value: -30.525
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
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Debussy: Tarantelle styrienne, CD 77, L. 69
type: MusicRecording
duration: PT5M12S
duration ms: 312920
explicit: false
by artist: Claude Debussy
by artist: Aldo Ciccolini
in album: Debussy: The Complete Works
  type: MusicAlbum
  date published: 2017-02-07
popularity: 1
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: FRZ110902331
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110902331
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 0xabf84db4994d8d862fb681dd683add6b1c2399f1aa42ae9cdc9718892aee0ffb. 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/FRZ110902331.
  date published: 2026-07-08T03:53:27Z
audio: Debussy: Tarantelle styrienne, CD 77, L. 69
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.018
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.895
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.429
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Debussy: Ballade slave, CD 78, L. 70
type: MusicRecording
duration: PT6M36S
duration ms: 396026
explicit: false
by artist: Claude Debussy
by artist: Aldo Ciccolini
in album: Debussy: The Complete Works
  type: MusicAlbum
  date published: 2017-02-07
popularity: 1
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: FRZ110902248
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:19:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6779fa9555978f2bb309c7be1301f41677eb4930ee92005c1461f2193455a46f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110902248
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6779fa9555978f2bb309c7be1301f41677eb4930ee92005c1461f2193455a46f. 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/FRZ110902248.
  date published: 2026-07-08T03:22:41Z
audio: Debussy: Ballade slave, CD 78, L. 70
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.387
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.967
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Debussy: Valse romantique, CD 79, L. 71
type: MusicRecording
duration: PT3M32S
duration ms: 212666
explicit: false
by artist: Claude Debussy
by artist: Aldo Ciccolini
in album: Debussy: The Complete Works
  type: MusicAlbum
  date published: 2017-02-07
popularity: 2
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: FRZ110902249
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:46:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5484973d256dcae9f7f742df5a85f306f7788da74ad8999f11203df1fe6dbeed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110902249
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5484973d256dcae9f7f742df5a85f306f7788da74ad8999f11203df1fe6dbeed. 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/FRZ110902249.
  date published: 2026-07-08T03:20:19Z
audio: Debussy: Valse romantique, CD 79, L. 71
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.105
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Debussy: Suite bergamasque, CD 82, L. 75: II. Menuet
type: MusicRecording
duration: PT4M9S
duration ms: 249520
explicit: false
by artist: Claude Debussy
by artist: Cecile Ousset
in album: Debussy: The Complete Works
  type: MusicAlbum
  date published: 2017-02-07
popularity: 1
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBAYD8800161
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:54:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcae348197451042ba1c8231a400dea19aa30ed36c2de9c7555368aafc33641f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8800161
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 0xcae348197451042ba1c8231a400dea19aa30ed36c2de9c7555368aafc33641f2. 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/GBAYD8800161.
  date published: 2026-07-08T03:53:27Z
audio: Debussy: Suite bergamasque, CD 82, L. 75: II. Menuet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.373
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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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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Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
type: MusicRecording
duration: PT5M0S
duration ms: 300053
explicit: false
by artist: Claude Debussy
by artist: Cecile Ousset
in album: Debussy: The Complete Works
  type: MusicAlbum
  date published: 2017-02-07
popularity: 5
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBAYD8800162
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T13:05:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e62e6a969358ae323fc3b3d9eff5549ff8d383455208f938d23c534941c5639
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8800162
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 0x9e62e6a969358ae323fc3b3d9eff5549ff8d383455208f938d23c534941c5639. 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/GBAYD8800162.
  date published: 2026-07-08T03:22:41Z
audio: Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.626
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Debussy: Suite bergamasque, CD 82, L. 75: IV. Passepied
type: MusicRecording
duration: PT4M7S
duration ms: 247733
explicit: false
by artist: Claude Debussy
by artist: Cecile Ousset
in album: Debussy: The Complete Works
  type: MusicAlbum
  date published: 2017-02-07
popularity: 2
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBAYD8800163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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audio: Debussy: Suite bergamasque, CD 82, L. 75: IV. Passepied
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Debussy: 2 Arabesques, CD 74, L. 66: No. 1, Andantino con moto
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by artist: Michel Béroff
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T13:25:45Z
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Debussy: The Complete Opera, Lyric & Stage Works
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The Berlioz Experience
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date published: 2003-01-01
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  by artist: Orchestre de l'Opéra National de Paris
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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Berlioz: The Complete Works
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date published: 2019-02-01
track: Berlioz: Les Francs-Juges, Op. 3, H 23d
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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: Berlioz: Overture "Waverley", Op. 1, H. 26
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    date published: 2026-07-08T03:20:19Z
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100 Best Opera Classics
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date published: 2019-04-12
track: Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi che sapete" (Cherubino)
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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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    date published: 2026-07-08T03:22:41Z
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track: Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
track: Verdi: Aïda, Act 1: "Se quel guerrier io fossi! ... Celeste Aida" (Radamès)
track: Verdi: La traviata, Act 3: "Teneste la promessa ... Addio del passato" (Violetta)
track: Verdi: Otello, Act 4: "Niun mi tema" (Otello)
track: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
track: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
track: Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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track: Wagner: Tannhäuser, Act 3: "Wie Todesahnung" - "O du, mein holder Abendstern" (Wolfram)

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

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Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
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  date published: 2026-07-08T03:53:27Z
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Rossini: Il barbiere di Siviglia, Act 2: Aria. "La calunnia è un venticello" (Basilio)
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Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
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  date published: 2026-07-08T03:53:27Z
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Verdi: Otello, Act 4: "Niun mi tema" (Otello)
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subject of: OpenTimestamps Proof of Existence
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audio: Verdi: Otello, Act 4: "Niun mi tema" (Otello)
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Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
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  date published: 2026-07-08T03:22:41Z
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Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
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Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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Leoncavallo: Pagliacci, Act 1: "Recitar! ... Vesti la giubba" (Canio)
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  date published: 2026-07-08T03:22:41Z
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Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
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Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
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Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
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Saint-Saëns: Samson et Dalila, Op. 47, Act 2, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
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Wagner: Tannhäuser, Act 3: "Wie Todesahnung" - "O du, mein holder Abendstern" (Wolfram)
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Alban Berg Collection
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track: Chamber Concerto for Piano, Violin & 13 Wind Instruments: III. Rondo ritmico con introduzione
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track: Violin Concerto "To the Memory of an Angel": I. Andante - Allegro
track: Four Pieces For Clarinet And Piano, Op. 5: 3. Sehr rasch
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track: Sieben frühe Lieder: III. Die Nachtigall
track: Sieben frühe Lieder: IV. Traumgekrönt

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Chamber Concerto for Piano, Violin & 13 Wind Instruments: III. Rondo ritmico con introduzione
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Lyric Suite, 3 Pieces for String Orchestra: I. Andante amoroso
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Lyric Suite, 3 Pieces for String Orchestra: III. Adagio appassionato
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Violin Concerto "To the Memory of an Angel": I. Andante - Allegro
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Four Pieces For Clarinet And Piano, Op. 5: 3. Sehr rasch
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Violin Concerto "To the Memory of an Angel": II. Allegro - Adagio
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Four Pieces For Clarinet And Piano, Op. 5: 4. Langsam
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Chamber Concerto for Piano and Violin with 13 Wind Instruments: 2. Adagio
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Sieben frühe Lieder: III. Die Nachtigall
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Sieben frühe Lieder: IV. Traumgekrönt
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Berg: Lulu
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track: Lulu, Prologue: Hereinspaziert in die Menagerie
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track: Lulu, Act II: Die Matinée wird, wie ich mir denke
track: Lulu, Act I: Den hab' ich mir auch ganz anders vorgestellt
track: Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre
track: Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen
track: Lulu, Act I: Seit ich für die Bühne arbeite Noch etwas, bitte
track: Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart

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

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subject of: OpenTimestamps Proof of Existence
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audio: Lulu, Act II: Die Matinée wird, wie ich mir denke
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Lulu, Act I: Den hab' ich mir auch ganz anders vorgestellt
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Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre
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subject of: OpenTimestamps Proof of Existence
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Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen
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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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Lulu, Act I: Seit ich für die Bühne arbeite Noch etwas, bitte
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subject of: OpenTimestamps Proof of Existence
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Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart
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subject of: OpenTimestamps Proof of Existence
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French Songs - Mélodies françaises
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Airs folkloriques wallons
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Schubert: Winterreise D. 911
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Berlioz : L'enfance du Christ
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Berlioz: La Damnation de Faust
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    additional property: Valence (Positivity)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T11:38:34Z
  audio: La Damnation de Faust, Op. 24 / Part 1: Marche hongroise
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Richard Strauss: Der Rosenkavalier (Highlights)
type: MusicAlbum
date published: 2002-01-01

Karajan A-Z: Mozart
type: MusicAlbum
date published: 2024-07-12
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  by artist: Orchestra Sinfonica Di Torino Della Rai
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  genre: classical
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
    type: AudioObject
    additional property: Tempo (BPM)
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  by artist: Wolfgang Amadeus Mozart
  by artist: Orchestra Sinfonica della RAI de Torino
  by artist: Herbert von Karajan
  by artist: Orchestra Sinfonica Di Torino Della Rai
  in album: Karajan A-Z: Mozart
    type: MusicAlbum
    date published: 2024-07-12
  popularity: 10
  genre: classical
  genre: classical-era
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
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  by artist: Orchestra Sinfonica della RAI de Torino
  by artist: Herbert von Karajan
  by artist: Orchestra Sinfonica Di Torino Della Rai
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  subject of: OpenTimestamps Proof of Existence
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track: Symphony No. 29 in A Major, K. 201: I. Allegro moderato
track: Symphony No. 29 in A Major, K. 201: II. Andante
track: Symphony No. 32 in G Major, K. 318: III. Tempo I

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CopyrightChainExplorerURL
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202052

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd0373d25a020491e11b87b729f94c32e1762ddfb67023f030d434120c1323b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202052.
date published: 2026-07-08T03:20:19Z

Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
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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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duration: PT7M5S
duration ms: 425333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Mozart
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  date published: 2024-07-12
popularity: 7
genre: classical
genre: classical-era
isrc code: DEF056500841
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8522e84ce702f62f2893197666045115901e571649d782570c872ce06260bc7d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500841.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 29 in A Major, K. 201: I. Allegro moderato
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 29 in A Major, K. 201: II. Andante
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Mozart
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popularity: 14
genre: classical
genre: classical-era
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additional property: CopyrightRegisteredAt
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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: Symphony No. 32 in G Major, K. 318: III. Tempo I
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100 Best Operetta
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track: Merrie England, Act II: Dan Cupid hath a garden (The English Rose) [McAlpine] - 1989 Remaster
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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: 2026-07-08T08:56:20Z
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track: Léhar: Paganini: "Gern hab' ich die Frau'n geküsst"
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  by artist: Karl-Ernst Mercker
  by artist: Ursula SchirrmacHer
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  by artist: FFB-Orchester
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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: Léhar: Paganini: "Gern hab' ich die Frau'n geküsst"
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track: Zeller: Der Obersteiger, Act 2: "Sei nicht bös" (Martin)
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  by artist: Lucia Popp
  by artist: Academy of St. Martin in the Fields
  by artist: Sir Neville Marriner
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    date published: 2012-10-15
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  subject of: OpenTimestamps Proof of Existence
  audio: Zeller: Der Obersteiger, Act 2: "Sei nicht bös" (Martin)
track: I'll See You Again (Bitter Sweet) - 1999 Remaster
track: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
track: Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e82799aa7752ef8e79e89c143c488da483576658a024eb80075a7dae12aa243. 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/GBAYC8602649.
date published: 2026-07-08T03:22:41Z

Zeller: Der Obersteiger, Act 2: "Sei nicht bös" (Martin)
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additional property: Mode (Major/Minor)
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additional property: Mode Name
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I'll See You Again (Bitter Sweet) - 1999 Remaster
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by artist: James Hawthorne
by artist: Cyril Ornadel & His Theatre Orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: I'll See You Again (Bitter Sweet) - 1999 Remaster
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Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
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by artist: Lucia Popp
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by artist: Sir Neville Marriner
by artist: Ambrosian Opera Chorus
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popularity: 2
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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: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
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Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster
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by artist: Brigitte Fassbaender
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by artist: Franz Gerstacker
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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: Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster
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#nowspinning Mozart
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    date published: 2026-07-08T03:53:27Z
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track: Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca
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track: Ave verum corpus, K. 618
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track: Cosi fan tutte, Act 1: Soave sia il sento (Fiordiligi, Dorabella, Don Alfonso)

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

Ave verum corpus, K. 618
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Cosi fan tutte, Act 1: Soave sia il sento (Fiordiligi, Dorabella, Don Alfonso)
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audio: Cosi fan tutte, Act 1: Soave sia il sento (Fiordiligi, Dorabella, Don Alfonso)
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Massenet: Werther
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track: Massenet: Werther, Act 3: Prélude
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track: Massenet: Werther, Act 1: Prélude
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track: Massenet: Werther, Act 3: "Werther ! Qui m'aurait dit..." - Air des lettres. "Je vous écris de ma petite chambre" (Charlotte)
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  audio: Massenet: Werther, Act 3: "Werther ! Qui m'aurait dit..." - Air des lettres. "Je vous écris de ma petite chambre" (Charlotte)
track: Massenet: Werther, Act 1: "Bravo pour les enfants !" (Johann, Schmidt, Les enfants, Le bailli, Sophie)
track: Massenet: Werther, Act 3: "Ah ! Le rire est béni, joyeux, léger, sonore !" (Sophie, Charlotte)
track: Massenet: Werther, Act 1: "Ô spectacle idéal d'amour et d'innocence" - "Sophie ! Albert ! Toi de retour ?" (Werther, Le bailli, Charlotte, Sophie, Albert)
track: Massenet: Werther, Act 3: "Ah ! Mon courage m'abandonne !" (Charlotte)
track: Massenet: Werther, Act 1: Clair de lune
track: Massenet: Werther, Act 3: "Oui, c'est moi ! Je reviens, et pourtant" (Werther, Charlotte)
track: Massenet: Werther, Act 1: "Il faut nous séparer" (Charlotte, Werther)
track: Massenet: Werther, Act 1: "Vous avez dit vrai" (Werther, Charlotte)
track: Massenet: Werther, Act 3: "Soit ! Adieu donc ! Charlotte a dicté mon arrêt" (Werther)
track: Massenet: Werther, Act 3: "Werther est de retour" (Albert, Charlotte)
track: Massenet: Werther, Act 4: Symphonie. La nuit de Noël
track: Massenet: Werther, Act 4: "Et moi, Werther, et moi, je t'aime !" - "Ces cris joyeux, ce rire en ce moment cruel !" (Charlotte, Werther, Les enfants, Sophie)
track: Massenet: Werther, Act 2: "Ah ! Qu'il est loin ce jour plein d'intime douceur" (Werther, Charlotte)
track: Massenet: Werther, Act 2: "Lorsque l'enfant revient d'un voyage" - "Mais venez donc, le cortège s'approche" (Werther, Sophie, Charlotte, Albert)

OTSHash
type: PropertyValue

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/GBAYC9704313

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 0x8d5087dc3e52e8bb87c3a63d77f611dd865d35a50bc0939b62eddbcc131c2597. 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/GBAYC9704313.
date published: 2026-07-08T03:53:27Z

Massenet: Werther, Act 3: "Werther ! Qui m'aurait dit..." - Air des lettres. "Je vous écris de ma petite chambre" (Charlotte)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 103.468
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.192
additional property: Energy
  type: PropertyValue
  value: 0.205
additional property: Speechiness
  type: PropertyValue
  value: 0.055
additional property: Acousticness
  type: PropertyValue
  value: 0.989
additional property: Instrumentalness
  type: PropertyValue
  value: 0.002
additional property: Liveness
  type: PropertyValue
  value: 0.106
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.035
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.188
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Massenet: Werther, Act 1: "Bravo pour les enfants !" (Johann, Schmidt, Les enfants, Le bailli, Sophie)
type: MusicRecording
duration: PT5M9S
duration ms: 309106
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Christine Barbaux
by artist: Covent Garden Singers
by artist: Jean-Philippe Lafont
by artist: Jules Bastin
by artist: Philip Langridge
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704291
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:16:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b68d2311dff0829a6ac165d96c692ac8f7b0f9c90d0721f9d41b44c0775e8dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704291
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b68d2311dff0829a6ac165d96c692ac8f7b0f9c90d0721f9d41b44c0775e8dd. 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/GBAYC9704291.
  date published: 2026-07-08T03:20:19Z
audio: Massenet: Werther, Act 1: "Bravo pour les enfants !" (Johann, Schmidt, Les enfants, Le bailli, Sophie)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.774
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.31
  additional property: Energy
    type: PropertyValue
    value: 0.201
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.374
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.348
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.425
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 3: "Ah ! Le rire est béni, joyeux, léger, sonore !" (Sophie, Charlotte)
type: MusicRecording
duration: PT2M43S
duration ms: 163266
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Christine Barbaux
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704315
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:37:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2c8f58d0c8b71688ed698141863ccae9f31aa00cc980793bce8aa459b2c28c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704315
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 0xb2c8f58d0c8b71688ed698141863ccae9f31aa00cc980793bce8aa459b2c28c9. 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/GBAYC9704315.
  date published: 2026-07-08T03:53:27Z
audio: Massenet: Werther, Act 3: "Ah ! Le rire est béni, joyeux, léger, sonore !" (Sophie, Charlotte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.804
  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: 0.23
  additional property: Energy
    type: PropertyValue
    value: 0.085
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.312
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.204
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 1: "Ô spectacle idéal d'amour et d'innocence" - "Sophie ! Albert ! Toi de retour ?" (Werther, Le bailli, Charlotte, Sophie, Albert)
type: MusicRecording
duration: PT5M22S
duration ms: 322266
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Alfredo Kraus
by artist: Christine Barbaux
by artist: Jules Bastin
by artist: Matteo Manuguerra
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704293
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:34:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c4a4c1213f00e3a5a3ec8c71c949ce5cc79a6f3f2c810ba58cfc3846063c752
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704293
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c4a4c1213f00e3a5a3ec8c71c949ce5cc79a6f3f2c810ba58cfc3846063c752. 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/GBAYC9704293.
  date published: 2026-07-08T03:22:41Z
audio: Massenet: Werther, Act 1: "Ô spectacle idéal d'amour et d'innocence" - "Sophie ! Albert ! Toi de retour ?" (Werther, Le bailli, Charlotte, Sophie, Albert)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.193
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.24
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.261
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.603
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 3: "Ah ! Mon courage m'abandonne !" (Charlotte)
type: MusicRecording
duration: PT3M7S
duration ms: 187706
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704317
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:47:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0284a387c965abbe3a62df1b7b6097148cb73a9c50abbb2eef66963e309ad90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704317
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 0xd0284a387c965abbe3a62df1b7b6097148cb73a9c50abbb2eef66963e309ad90. 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/GBAYC9704317.
  date published: 2026-07-08T03:53:27Z
audio: Massenet: Werther, Act 3: "Ah ! Mon courage m'abandonne !" (Charlotte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.603
  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: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.28
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.031
  additional property: Liveness
    type: PropertyValue
    value: 0.215
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.62
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 1: Clair de lune
type: MusicRecording
duration: PT2M37S
duration ms: 157026
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704295
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:18:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbb78d7fd06e16b0156d0d9dbcdf99af39027b90cf7c4273e9544dc3800732aa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704295
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 0xfbb78d7fd06e16b0156d0d9dbcdf99af39027b90cf7c4273e9544dc3800732aa. 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/GBAYC9704295.
  date published: 2026-07-08T03:53:27Z
audio: Massenet: Werther, Act 1: Clair de lune
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.401
  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: 0.15
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.718
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.825
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 3: "Oui, c'est moi ! Je reviens, et pourtant" (Werther, Charlotte)
type: MusicRecording
duration: PT5M20S
duration ms: 320026
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Alfredo Kraus
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704318
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:04:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x11fb9d377a9e3724a7de9531eafad6021fad6487fb23c1753ffcb1334321601f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704318
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 0x11fb9d377a9e3724a7de9531eafad6021fad6487fb23c1753ffcb1334321601f. 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/GBAYC9704318.
  date published: 2026-07-08T03:53:27Z
audio: Massenet: Werther, Act 3: "Oui, c'est moi ! Je reviens, et pourtant" (Werther, Charlotte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.334
  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: 0.266
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.478
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 1: "Il faut nous séparer" (Charlotte, Werther)
type: MusicRecording
duration: PT2M25S
duration ms: 145666
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Alfredo Kraus
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704296
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:36:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd67c1bf4c640aab81556771deea5987cc57a8df41df380e3f42a0a4114390a50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704296
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd67c1bf4c640aab81556771deea5987cc57a8df41df380e3f42a0a4114390a50. 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/GBAYC9704296.
  date published: 2026-07-08T03:22:41Z
audio: Massenet: Werther, Act 1: "Il faut nous séparer" (Charlotte, Werther)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.851
  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: 0.158
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.674
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 1: "Vous avez dit vrai" (Werther, Charlotte)
type: MusicRecording
duration: PT2M54S
duration ms: 174400
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Alfredo Kraus
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704298
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:14:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72be1855773a93bd456197d934064fa551d8e0805b4aa4abeec12985aa788e8f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704298
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72be1855773a93bd456197d934064fa551d8e0805b4aa4abeec12985aa788e8f. 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/GBAYC9704298.
  date published: 2026-07-08T03:22:41Z
audio: Massenet: Werther, Act 1: "Vous avez dit vrai" (Werther, Charlotte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.264
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.067
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.145
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 3: "Soit ! Adieu donc ! Charlotte a dicté mon arrêt" (Werther)
type: MusicRecording
duration: PT1M32S
duration ms: 92560
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Alfredo Kraus
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704322
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:49:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ba9aedc88b25cac4632a10bc787e762f368c5ccc83c1c442ee8d5e518b0d7ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704322
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ba9aedc88b25cac4632a10bc787e762f368c5ccc83c1c442ee8d5e518b0d7ea. 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/GBAYC9704322.
  date published: 2026-07-08T03:20:19Z
audio: Massenet: Werther, Act 3: "Soit ! Adieu donc ! Charlotte a dicté mon arrêt" (Werther)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.702
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.204
  additional property: Energy
    type: PropertyValue
    value: 0.252
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.059
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.203
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.093
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 3: "Werther est de retour" (Albert, Charlotte)
type: MusicRecording
duration: PT2M45S
duration ms: 165733
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Matteo Manuguerra
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704323
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:35:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa11fe17ebf47d2d5c5eeac28e702b429dde0935d656fe11fb00c68a66221eafa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704323
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa11fe17ebf47d2d5c5eeac28e702b429dde0935d656fe11fb00c68a66221eafa. 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/GBAYC9704323.
  date published: 2026-07-08T03:20:19Z
audio: Massenet: Werther, Act 3: "Werther est de retour" (Albert, Charlotte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.53
  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: 0.237
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.308
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.848
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 4: Symphonie. La nuit de Noël
type: MusicRecording
duration: PT5M45S
duration ms: 345973
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704324
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:28:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xccbc6846cd0c7f15561b0b84caba701131d72d3bf831c0477a5e6c22553f4a20
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704324
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 0xccbc6846cd0c7f15561b0b84caba701131d72d3bf831c0477a5e6c22553f4a20. 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/GBAYC9704324.
  date published: 2026-07-08T03:53:27Z
audio: Massenet: Werther, Act 4: Symphonie. La nuit de Noël
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.04
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.193
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.901
  additional property: Liveness
    type: PropertyValue
    value: 0.928
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.603
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Massenet: Werther, Act 4: "Et moi, Werther, et moi, je t'aime !" - "Ces cris joyeux, ce rire en ce moment cruel !" (Charlotte, Werther, Les enfants, Sophie)
type: MusicRecording
duration: PT7M23S
duration ms: 443240
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Alfredo Kraus
by artist: Christine Barbaux
by artist: Covent Garden Singers
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704326
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:37:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73f2bb8d7ef2f22f654d67fd5ec47bf1a42e1436e26dc8fc0b283f57c1a250e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704326
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73f2bb8d7ef2f22f654d67fd5ec47bf1a42e1436e26dc8fc0b283f57c1a250e4. 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/GBAYC9704326.
  date published: 2026-07-08T03:20:19Z
audio: Massenet: Werther, Act 4: "Et moi, Werther, et moi, je t'aime !" - "Ces cris joyeux, ce rire en ce moment cruel !" (Charlotte, Werther, Les enfants, Sophie)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.699
  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: 0.2
  additional property: Energy
    type: PropertyValue
    value: 0.146
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.112
  additional property: Liveness
    type: PropertyValue
    value: 0.218
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.662
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 2: "Ah ! Qu'il est loin ce jour plein d'intime douceur" (Werther, Charlotte)
type: MusicRecording
duration: PT7M50S
duration ms: 470360
explicit: false
by artist: Jules Massenet
by artist: Michel Plasson
by artist: Alfredo Kraus
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
in album: Massenet: Werther
  type: MusicAlbum
  date published: 1997
genre: classical
isrc code: GBAYC9704308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:14:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x21ad2f35aa376702b31a0baf89e360a29e3f4569d7a129939b7ed03e5f2088cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704308
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21ad2f35aa376702b31a0baf89e360a29e3f4569d7a129939b7ed03e5f2088cf. 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/GBAYC9704308.
  date published: 2026-07-08T03:20:19Z
audio: Massenet: Werther, Act 2: "Ah ! Qu'il est loin ce jour plein d'intime douceur" (Werther, Charlotte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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Massenet: Werther, Act 2: "Lorsque l'enfant revient d'un voyage" - "Mais venez donc, le cortège s'approche" (Werther, Sophie, Charlotte, Albert)
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by artist: Matteo Manuguerra
by artist: Tatiana Troyanos
by artist: London Philharmonic Orchestra
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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50 Best Opera Classics
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin)
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track: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)

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

Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin)
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Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
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by artist: Sir John Barbirolli
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by artist: Orchestra Del Teatro Dell'Opera Di Roma
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
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Gok's Divas
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track: Offenbach: Les contes d'Hoffmann, Act 2: Chanson d'Olympia. "Les oiseaux dans la charmille" (Olympia)
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    date published: 2026-07-02T03:55:08Z
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Offenbach : La Périchole [Highlight]
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track: Offenbach : La Périchole : Act 1 "Sans en souffler mot à personne" [Don Andrès]
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207602302
  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 0x642574beb81049f2d0cff6dff0d48ca70e9e6c99d95c5dd3b2c9f5865a44d329. 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/FRZ207602302.
    date published: 2026-07-08T08:56:20Z
  audio: Offenbach : La Périchole : Act 1 "Sans en souffler mot à personne" [Don Andrès]
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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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track: Offenbach : La Périchole : Act 1 "Vous a-t-on dit souvent" [Piquillo, La Périchole]
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  by artist: Alain Lombard
  by artist: Orchestre Philharmonique De Strasbourg
  in album: Offenbach : La Périchole [Highlight]
    type: MusicAlbum
    date published: 1976
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  genre: french-opera
  genre: french-romanticism
  genre: operetta
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207602304
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a2358055f4492733bd82470d665b586142f93bbe49c61e4bffd46f45f86f22c. 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/FRZ207602304.
    date published: 2026-07-02T11:38:34Z
  audio: Offenbach : La Périchole : Act 1 "Vous a-t-on dit souvent" [Piquillo, La Périchole]
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track: Offenbach: La Périchole, Act 1: "O mon cher amant, je te jure" (La Périchole)
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  by artist: Alain Lombard
  by artist: Orchestre Philharmonique De Strasbourg
  in album: Offenbach : La Périchole [Highlight]
    type: MusicAlbum
    date published: 1976
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  genre: french-opera
  genre: french-romanticism
  genre: operetta
  isrc code: FRZ207602305
  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: Offenbach: La Périchole, Act 1: "O mon cher amant, je te jure" (La Périchole)

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/0x1f93fdbc10b3ce94f3831b2ce11223c64de74c02dd461955bfb1bc0fa12db4bc

OTSHash
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OTSBitcoinBlock
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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/FRZ207602305

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 0x1f93fdbc10b3ce94f3831b2ce11223c64de74c02dd461955bfb1bc0fa12db4bc. 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/FRZ207602305.
date published: 2026-07-08T03:53:27Z

Offenbach: La Périchole, Act 1: "O mon cher amant, je te jure" (La Périchole)
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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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Berlioz: Benvenuto Cellini
type: MusicAlbum
date published: 1972-01-01

Opera Songs
type: MusicAlbum
date published: 2024-04-24
track: Cosi fan tutte, Act 1: Soave sia il sento (Fiordiligi, Dorabella, Don Alfonso)
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  by artist: Alain Lombard
  by artist: Frederica von Stade
  by artist: Jules Bastin
  by artist: Kiri Te Kanawa
  by artist: Orchestre Philharmonique De Strasbourg
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    type: MusicAlbum
    date published: 2024-04-24
  popularity: 3
  genre: classical
  genre: opera
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf01856aa0cf30e139cdf5e6a31b8424a17ba514d09a6fa72c09e1fd8f57e9cca. 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/FRZ207702418.
    date published: 2026-07-08T03:20:19Z
  audio: Cosi fan tutte, Act 1: Soave sia il sento (Fiordiligi, Dorabella, Don Alfonso)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Der Rosenkavalier, Op. 59, Act III: Marie Theres'!...Hab'mir's gelobt (Sophie, Octavian, Marschallin)
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  duration: PT4M39S
  duration ms: 279733
  explicit: false
  by artist: Herbert von Karajan
  by artist: Christa Ludwig
  by artist: Erich Majkut
  by artist: Teresa Stich-Randall
  by artist: Philharmonia Orchestra
  in album: Opera Songs
    type: MusicAlbum
    date published: 2024-04-24
  popularity: 2
  isrc code: GBAYC0101370
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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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 0x134e2a7e2bfb1c6d742868da2fc243d35e3ff13ac05ac2b1f218bd71ef18ecc0. 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/GBAYC0101370.
    date published: 2026-07-08T03:53:27Z
  audio: Der Rosenkavalier, Op. 59, Act III: Marie Theres'!...Hab'mir's gelobt (Sophie, Octavian, Marschallin)
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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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  duration: PT5M40S
  duration ms: 340200
  explicit: false
  by artist: Tullio Serafin
  by artist: Maria Callas
  by artist: Orchestra Del Teatro Alla Scala, Milano
  by artist: Coro Del Teatro Alla Scala Di Milano
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    type: MusicAlbum
    date published: 2024-04-24
  popularity: 7
  genre: classical
  genre: opera
  isrc code: GBAYC1401979
  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: Norma, Act 1: Casta diva (Norma, Chorus)

CopyrightStatus
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value: registered

CopyrightRegisteredAt
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value: 2026-06-04T10:22:19+00:00

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x3546f839974315a3c191919ab26d9a97b1310fdd18875e979e128c5930a3fa02

OTSHash
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OTSBitcoinBlock
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value: 957120

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1401979

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

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3546f839974315a3c191919ab26d9a97b1310fdd18875e979e128c5930a3fa02. 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/GBAYC1401979.
date published: 2026-07-08T03:22:41Z

Norma, Act 1: Casta diva (Norma, Chorus)
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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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Most Beautiful Arias
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date published: 2024-05-02
track: La traviata, Act I: Un dì felice (Alfredo, Violetta, Gastone)
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  duration: PT3M9S
  duration ms: 189239
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Carlo Rizzi
  by artist: Edita Gruberova
  by artist: Kim Begley
  by artist: Neil Shicoff
  by artist: London Symphony Orchestra
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    date published: 2024-05-02
  popularity: 2
  genre: classical
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  additional property: OTSVerificationAPI
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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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Zeit für große Opern
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Zeit für Opern-Arien
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Berlioz: Sacred Music, Symphonic Dramas & Orchestral Songs
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