Orchestre De La Société Des Concerts Du Conservatoire
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album: Debussy, Dukas: Orchestral Works
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Debussy, Dukas: Orchestral Works
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Ansermet In Russia
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Operatic Recital
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Ganne: Hans, le joueur de flûte
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Singers of the Century: Joan Sutherland – The Art of Coloratura (Remastered 2016)
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Mozart: Don Giovanni, K. 527 (Recorded 1952)
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Mozart: Così fan tutte, K. 588 (Recorded 1957)
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Schubert: Symphony No. 9 - Liszt: Ce qu'on entend sur la montagne, S. 95
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Mozart: Le nozze di Figaro, K. 492 (Live)
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Rita Gorr Sings French Opera
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Darius Milhaud: Bolivar, Maximilien, Les euménides & Les choéphores
type: MusicAlbum
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Ravel: Complete Piano & Orchestral Works
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    date published: 2026-07-30T15:42:38Z
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  subject of: OpenTimestamps Proof of Existence
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  audio: Ravel: Menuet antique, M. 7
track: Ravel: Miroirs, M. 43: I. Noctuelles
track: Ravel: Miroirs, M. 43: II. Oiseaux tristes
track: Ravel: Miroirs, M. 43: III. Une barque sur l'océan
track: Ravel: Miroirs, M. 43: IV. Alborada del Gracioso
track: Ravel: Miroirs, M. 43: V. La vallée des cloches
track: Ravel: Sonatine, M. 40: I. Modéré
track: Ravel: Sonatine, M. 40: II. Mouvement de menuet
track: Ravel: Sonatine, M. 40: III. Animé
track: Ravel: Ma Mère l'Oye, M. 60: I. Pavane de la Belle au bois dormant (Piano 4-Hands Version)
track: Ravel: Ma Mère l'Oye, M. 60: III. Laideronnette, impératrice des pagodes (Piano 4-Hands Version)
track: Ravel: Ma Mère l'Oye, M. 60: V. Le jardin féérique (Piano 4-Hands Version)
track: Ravel: Gaspard de la nuit, M. 55: I. Ondine
track: Ravel: Gaspard de la nuit, M. 55: II. Le gibet
track: Ravel: Gaspard de la nuit, M. 55: III. Scarbo
track: Ravel: Valses nobles et sentimentales, M. 61: No. 1, Modéré et très franc
track: Ravel: Prélude, M. 65
track: Ravel: Le Tombeau de Couperin, M. 68: V. Menuet
track: Ravel: Piano Concerto in G Major, M. 83: I. Allegramente
track: Ravel: Piano Concerto in G Major, M. 83: II. Adagio assai
track: Ravel: Piano Concerto for the Left Hand in D Major, M. 82

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date published: 2026-07-31T17:29:52Z

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Ravel: Miroirs, M. 43: I. Noctuelles
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T06:57:05Z
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001760
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:50:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56944fbf088699e3d254be92017804cef98434e7e120d480ce3e6bcb3182a1cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960241
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960241
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001760
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56944fbf088699e3d254be92017804cef98434e7e120d480ce3e6bcb3182a1cc. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001760 — a six-check JSON result.
  date published: 2026-07-30T09:58:01Z
audio: Ravel: Miroirs, M. 43: IV. Alborada del Gracioso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.915
  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: 0.509
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.918
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.056
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.576
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Miroirs, M. 43: V. La vallée des cloches
type: MusicRecording
duration: PT4M48S
duration ms: 288186
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001761
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T02:00:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98b208fc5f733e09364d65af94c785a5e30519ae6c2d4af577f260ad8bb40940
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960198
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960198
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001761
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:21:55Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b208fc5f733e09364d65af94c785a5e30519ae6c2d4af577f260ad8bb40940. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001761 — a six-check JSON result.
  date published: 2026-07-30T02:21:55Z
audio: Ravel: Miroirs, M. 43: V. La vallée des cloches
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.329
  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: 0.411
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.953
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.621
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Sonatine, M. 40: I. Modéré
type: MusicRecording
duration: PT4M13S
duration ms: 253973
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001728
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4bf279a7027c568e3416cde1abc1099062aa9efb9ef9dfac524ab33ab39ac34
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960435
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960435
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001728
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:33:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4bf279a7027c568e3416cde1abc1099062aa9efb9ef9dfac524ab33ab39ac34. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001728 — a six-check JSON result.
  date published: 2026-07-31T16:33:26Z
audio: Ravel: Sonatine, M. 40: I. Modéré
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.69
  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: 0.381
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.112
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.771
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ravel: Sonatine, M. 40: II. Mouvement de menuet
type: MusicRecording
duration: PT2M53S
duration ms: 173600
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001729
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:21:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8641280bde3cc70d33a862defc31f6048792a92e940cadee58dfeb2c46b68d7
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/FRZ111001729
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8641280bde3cc70d33a862defc31f6048792a92e940cadee58dfeb2c46b68d7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001729 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ravel: Sonatine, M. 40: II. Mouvement de menuet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.001
  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: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.367
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Sonatine, M. 40: III. Animé
type: MusicRecording
duration: PT3M53S
duration ms: 233213
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001730
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:36:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb89bd962120be049a5eade3be9293efdd939a270abe839f154b843d45b28898f
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/FRZ111001730
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb89bd962120be049a5eade3be9293efdd939a270abe839f154b843d45b28898f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001730 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ravel: Sonatine, M. 40: III. Animé
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.69
  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: 0.248
  additional property: Energy
    type: PropertyValue
    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.865
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.421
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Ma Mère l'Oye, M. 60: I. Pavane de la Belle au bois dormant (Piano 4-Hands Version)
type: MusicRecording
duration: PT1M14S
duration ms: 74266
explicit: false
by artist: Maurice Ravel
by artist: Samson François
by artist: Pierre Barbizet
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001738
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:07:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6d6a5e38c5ad4a750901dabe7869890bc8915a024c0681a1d9d8e6cde79f866
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/FRZ111001738
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6d6a5e38c5ad4a750901dabe7869890bc8915a024c0681a1d9d8e6cde79f866. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001738 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ravel: Ma Mère l'Oye, M. 60: I. Pavane de la Belle au bois dormant (Piano 4-Hands Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.696
  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: 0.492
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.946
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.535
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.798
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Ma Mère l'Oye, M. 60: III. Laideronnette, impératrice des pagodes (Piano 4-Hands Version)
type: MusicRecording
duration: PT2M51S
duration ms: 171813
explicit: false
by artist: Maurice Ravel
by artist: Samson François
by artist: Pierre Barbizet
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001740
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad97900622595077ec83efc5fc60d77458ad45f51c51da950667591e05aa9cbd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001740
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad97900622595077ec83efc5fc60d77458ad45f51c51da950667591e05aa9cbd. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001740 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Ravel: Ma Mère l'Oye, M. 60: III. Laideronnette, impératrice des pagodes (Piano 4-Hands Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.306
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.207
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ravel: Ma Mère l'Oye, M. 60: V. Le jardin féérique (Piano 4-Hands Version)
type: MusicRecording
duration: PT2M22S
duration ms: 142466
explicit: false
by artist: Maurice Ravel
by artist: Samson François
by artist: Pierre Barbizet
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001742
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:03:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x326892dd6d6f9ecfab2be94df9a50717ee4c44492dcd1483f772522d1c709d3d
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/FRZ111001742
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x326892dd6d6f9ecfab2be94df9a50717ee4c44492dcd1483f772522d1c709d3d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001742 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ravel: Ma Mère l'Oye, M. 60: V. Le jardin féérique (Piano 4-Hands Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.03
  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: 0.437
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.491
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.504
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Gaspard de la nuit, M. 55: I. Ondine
type: MusicRecording
duration: PT7M11S
duration ms: 431466
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001725
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa880e83a4e245a98942ebccd3e42a514b71f07e13157bb06661f89e004b7a506
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001725
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:01:17Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa880e83a4e245a98942ebccd3e42a514b71f07e13157bb06661f89e004b7a506. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001725 — a six-check JSON result.
  date published: 2026-07-30T16:01:17Z
audio: Ravel: Gaspard de la nuit, M. 55: I. Ondine
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.359
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.156
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.925
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.761
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Gaspard de la nuit, M. 55: II. Le gibet
type: MusicRecording
duration: PT5M11S
duration ms: 311706
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001726
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:10:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf078899ef3bd70786d6bc2ec0eb5b5793844b35af6a0d0bfc309576ad0baddab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001726
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf078899ef3bd70786d6bc2ec0eb5b5793844b35af6a0d0bfc309576ad0baddab. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001726 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Ravel: Gaspard de la nuit, M. 55: II. Le gibet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.564
  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: 0.396
  additional property: Energy
    type: PropertyValue
    value: 0.005
  additional property: Speechiness
    type: PropertyValue
    value: 0.096
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.966
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.252
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Gaspard de la nuit, M. 55: III. Scarbo
type: MusicRecording
duration: PT9M41S
duration ms: 581573
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001727
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:22:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xffc40a9303d9a6fb4dc2d84ddc11214e77726f4c1ae29ffa5cc95e8f6ef4c9b4
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/FRZ111001727
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffc40a9303d9a6fb4dc2d84ddc11214e77726f4c1ae29ffa5cc95e8f6ef4c9b4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001727 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ravel: Gaspard de la nuit, M. 55: III. Scarbo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.029
  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: 0.261
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.897
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.054
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.15
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Valses nobles et sentimentales, M. 61: No. 1, Modéré et très franc
type: MusicRecording
duration: PT1M18S
duration ms: 78920
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001744
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:45:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f33f94a47f49afd1b40fea70fe100e03a0736231c34273f03995b78e5002510
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/FRZ111001744
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f33f94a47f49afd1b40fea70fe100e03a0736231c34273f03995b78e5002510. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001744 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ravel: Valses nobles et sentimentales, M. 61: No. 1, Modéré et très franc
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.908
  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: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.857
  additional property: Liveness
    type: PropertyValue
    value: 0.17
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.335
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ravel: Prélude, M. 65
type: MusicRecording
duration: PT1M22S
duration ms: 82373
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001752
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef8f807697ae6098b571e1aaa37c3d3ac33b814328258224276fbc3e8d295583
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960430
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960430
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001752
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:09:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef8f807697ae6098b571e1aaa37c3d3ac33b814328258224276fbc3e8d295583. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001752 — a six-check JSON result.
  date published: 2026-07-31T16:09:41Z
audio: Ravel: Prélude, M. 65
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.281
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.431
  additional property: Energy
    type: PropertyValue
    value: 0.012
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.896
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.286
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.885
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ravel: Le Tombeau de Couperin, M. 68: V. Menuet
type: MusicRecording
duration: PT4M50S
duration ms: 290853
explicit: false
by artist: Maurice Ravel
by artist: Samson François
in album: Ravel: Complete Piano & Orchestral Works
  type: MusicAlbum
  date published: 2018-08-24
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: FRZ111001735
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:34:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef2e7ea8dc1976594efff23a5fcb2694c7d610b1897ffbb4572ef00c8d411eb3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001735
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
additional property: OTSVerifyInstructions
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Tchaikovsky, d'Indy & Franck: Works for Piano & Orchestra
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Milestones of a Conductor Legend: Ataúlfo Argenta, Vol. 10
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Berlioz: L'enfance du Christ, Op. 25, H 130
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Delibes: Coppélia and Sylvia
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Schumann, Wagner & R. Strauss: Symphony NO. 1, OP. 38 - Symphony NO. 3, OP. 97 - Parsifal, Wwv 111 (Excerpts) - Salome, OP. 54 [Excerpts]
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Mozart: Piano Concertos Nos. 20 & 27
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Mozart: Piano Concertos Nos. 21 & 23
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French Night: The Music of Debussy, Honegger, Dukas & Saint-Saëns
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Orchestra Music of the 20th Century
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Music of the 20th Century: Poulenc, Dutilleux, Milhaud & Gershwin
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Symphonies of P. Cajkovskij, F. Poulenc & É. Satie
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Cluytens conducts Wagner, Mussorgsky, Ravel
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T17:23:26Z
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OTSVerificationAPI
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
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date published: 2026-07-31T16:33:26Z

The Sleeping Beauty, Op. 66, TH.13 / Act 1: 8. Pas d'action
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Singers of the Century: Joan Sutherland – The Art of Coloratura (Remastered 2016)
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Gluck: Iphigénie en Tauride, Wq. 46 (Live)
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Arthur Goldschmidt / Orchestre de la Société des Concerts du Conservatoire play: Joseph Haydn: Symphony No. 45, "Farewell" / Symphony No. 85, "La Reine" ("The Queen")
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Mozart: Così fan tutte (Thus Do They All), K. 588 (Recorded 1957)
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Mozart: Le nozze di Figaro, K. 492 [Recorded 1955]
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Callas sings Rossini & Donizetti Arias - Callas Remastered
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T12:24:41Z
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  subject of: OpenTimestamps Proof of Existence
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track: Donizetti: L'elisir d'amore, Act 2: "Prendi, per me sei libero" (Adina)

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OpenTimestamps Proof of Existence
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date published: 2026-07-31T15:20:15Z

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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a3bb1e6db27674c614f29933801374375bd95377e481caaec49db6fae6ec92c. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400545 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Donizetti: L'elisir d'amore, Act 2: "Prendi, per me sei libero" (Adina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.974
  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: 0.224
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.088
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.12
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Callas sings Arias from Verdi Operas - Callas Remastered
type: MusicAlbum
date published: 2014-08-22
track: Verdi: I Lombardi alla prima crociata, Act 2: "O madre, dal cielo soccorri" (Giselda)
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242040
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Maria Callas
  by artist: Nicola Rescigno
  by artist: Orchestre De La Société Des Concerts Du Conservatoire
  in album: Callas sings Arias from Verdi Operas - Callas Remastered
    type: MusicAlbum
    date published: 2014-08-22
  genre: classical
  genre: opera
  isrc code: GBAYC1400564
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T18:24:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3950192f5c6d00b072c2b690b3a4096482a41688306dfc63a5eb5513753a7ce2
  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/GBAYC1400564
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3950192f5c6d00b072c2b690b3a4096482a41688306dfc63a5eb5513753a7ce2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400564 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: Verdi: I Lombardi alla prima crociata, Act 2: "O madre, dal cielo soccorri" (Giselda)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.965
    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: 0.28
    additional property: Energy
      type: PropertyValue
      value: 0.187
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.977
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.009
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.085
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.934
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Verdi: Attila, Act 1: "Liberamente or piangi" - "Oh! nel fuggente nuvolo" (Odabella)
  type: MusicRecording
  duration: PT5M23S
  duration ms: 323053
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Maria Callas
  by artist: Nicola Rescigno
  by artist: Orchestre De La Société Des Concerts Du Conservatoire
  in album: Callas sings Arias from Verdi Operas - Callas Remastered
    type: MusicAlbum
    date published: 2014-08-22
  genre: classical
  genre: opera
  isrc code: GBAYC1400565
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T14:40:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbe071de02590eb97eed12df73e1553066cd2618b2b92a06fcc5727b915f960e7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960121
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960121
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400565
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T15:22:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe071de02590eb97eed12df73e1553066cd2618b2b92a06fcc5727b915f960e7. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400565 — a six-check JSON result.
    date published: 2026-07-29T15:22:21Z
  audio: Verdi: Attila, Act 1: "Liberamente or piangi" - "Oh! nel fuggente nuvolo" (Odabella)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.623
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.286
    additional property: Energy
      type: PropertyValue
      value: 0.127
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.961
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.052
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.93
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Verdi: Il corsaro, Act 1: "Egli non riede ancora!" - "Non so le tetre immagini" (Medora)
  type: MusicRecording
  duration: PT5M18S
  duration ms: 318106
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Maria Callas
  by artist: Nicola Rescigno
  by artist: Orchestre du Théâtre National de l'Opéra de Paris
  in album: Callas sings Arias from Verdi Operas - Callas Remastered
    type: MusicAlbum
    date published: 2014-08-22
  genre: classical
  genre: opera
  isrc code: GBAYC1400566
  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: Verdi: Il corsaro, Act 1: "Egli non riede ancora!" - "Non so le tetre immagini" (Medora)
track: Verdi: Il corsaro, Act 2: "Né sulla terra" - "Vola talor dal carcere" (Gulnara)
track: Verdi: Il trovatore, Act 1: "Tacea la notte placida" - "Di tale amor" (Leonora)
track: Verdi: I vespri siciliani, Act 4: "Arrigo! ah, parli a un core" (Elena)
track: Verdi: Un ballo in maschera, Act 2: "Ecco l'orrido campo" - "Ma dall'arido stelo divulsa" (Amelia)
track: Verdi: Un ballo in maschera, Act 3: "Morrò, ma prima in grazia" (Amelia)
track: Verdi: Aida, Act 1: "Ritorna vincitor" (Aida)

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-30T13:30:56+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xbf721324f85f96115856649bc0dafce2fb917861babb1a8d6a5f742f6c43b31c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960264

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960264

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400566

OTSTimestamp
type: PropertyValue
value: 2026-07-30T14:36:16Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf721324f85f96115856649bc0dafce2fb917861babb1a8d6a5f742f6c43b31c. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400566 — a six-check JSON result.
date published: 2026-07-30T14:36:16Z

Verdi: Il corsaro, Act 1: "Egli non riede ancora!" - "Non so le tetre immagini" (Medora)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 108.69
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.224
additional property: Energy
  type: PropertyValue
  value: 0.083
additional property: Speechiness
  type: PropertyValue
  value: 0.053
additional property: Acousticness
  type: PropertyValue
  value: 0.965
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.117
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.058
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.401
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

Verdi: Il corsaro, Act 2: "Né sulla terra" - "Vola talor dal carcere" (Gulnara)
type: MusicRecording
duration: PT4M0S
duration ms: 240973
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre du Théâtre National de l'Opéra de Paris
in album: Callas sings Arias from Verdi Operas - Callas Remastered
  type: MusicAlbum
  date published: 2014-08-22
genre: classical
genre: opera
isrc code: GBAYC1400567
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:48:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0eba5174a24ea29087888644763cb7d1e1383f882b4c35459194abe6e5c7eb6
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/GBAYC1400567
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0eba5174a24ea29087888644763cb7d1e1383f882b4c35459194abe6e5c7eb6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400567 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: Il corsaro, Act 2: "Né sulla terra" - "Vola talor dal carcere" (Gulnara)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.563
  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: 0.296
  additional property: Energy
    type: PropertyValue
    value: 0.084
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.814
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: Il trovatore, Act 1: "Tacea la notte placida" - "Di tale amor" (Leonora)
type: MusicRecording
duration: PT6M5S
duration ms: 365680
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: Callas sings Arias from Verdi Operas - Callas Remastered
  type: MusicAlbum
  date published: 2014-08-22
genre: classical
genre: opera
isrc code: GBAYC1400568
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:35:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96e6c14bd61e87dd6905fd0d4824bfdf76cb9ad9954ee1f81152a85067c25662
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/GBAYC1400568
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96e6c14bd61e87dd6905fd0d4824bfdf76cb9ad9954ee1f81152a85067c25662. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400568 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: Il trovatore, Act 1: "Tacea la notte placida" - "Di tale amor" (Leonora)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.42
  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: 0.259
  additional property: Energy
    type: PropertyValue
    value: 0.192
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.065
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: I vespri siciliani, Act 4: "Arrigo! ah, parli a un core" (Elena)
type: MusicRecording
duration: PT4M32S
duration ms: 272426
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: Callas sings Arias from Verdi Operas - Callas Remastered
  type: MusicAlbum
  date published: 2014-08-22
genre: classical
genre: opera
isrc code: GBAYC1400569
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:14:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdfb7d05540962397b7bf79397c83a06c6f872cc85e5934085fced24789c9cc7
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/GBAYC1400569
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Verdi: I vespri siciliani, Act 4: "Arrigo! ah, parli a un core" (Elena)
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Verdi: Un ballo in maschera, Act 2: "Ecco l'orrido campo" - "Ma dall'arido stelo divulsa" (Amelia)
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duration: PT9M16S
duration ms: 556933
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: Callas sings Arias from Verdi Operas - Callas Remastered
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  date published: 2014-08-22
genre: classical
genre: opera
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: Verdi: Un ballo in maschera, Act 2: "Ecco l'orrido campo" - "Ma dall'arido stelo divulsa" (Amelia)
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Verdi: Un ballo in maschera, Act 3: "Morrò, ma prima in grazia" (Amelia)
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duration: PT4M26S
duration ms: 266253
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T23:30:38Z
audio: Verdi: Un ballo in maschera, Act 3: "Morrò, ma prima in grazia" (Amelia)
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Verdi: Aida, Act 1: "Ritorna vincitor" (Aida)
type: MusicRecording
duration: PT7M7S
duration ms: 427810
explicit: false
by artist: Giuseppe Verdi
by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: Callas sings Arias from Verdi Operas - Callas Remastered
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genre: classical
genre: opera
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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: 2026-07-02T03:30:09Z
audio: Verdi: Aida, Act 1: "Ritorna vincitor" (Aida)
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Purcell: Dido and Aeneas
type: MusicAlbum
date published: 2013-06-21

Tosca, S. 69, Act II: Vissi d'arte (Tosca)
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duration: PT3M2S
duration ms: 182960
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by artist: Georges Prêtre
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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popularity: 36
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Les Contes d'Hoffmann, Act II: Belle nuit, ô nuit d'amour (Barcarolle)
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duration: PT3M52S
duration ms: 232000
explicit: false
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by artist: Elisabeth Schwarzkopf
by artist: Jeannine Collard
by artist: André Cluytens
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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by artist: Nicolai Gedda
by artist: Victoria de los Ángeles
by artist: Gianna D'Angelo
by artist: Christiane Gayraud
by artist: Jacques Pruvost
by artist: Robert Geay
by artist: George London
by artist: Michel Sénéchal
by artist: Jean Christophe Benoit
by artist: Jean-Pierre Laffage
by artist: Nicola Ghiuselev
by artist: André Mallabrera
by artist: Ernest Blanc
by artist: Renée Faure
in album: Opera Duets
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  date published: 2020-09-12
popularity: 29
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Les Contes d'Hoffmann, Act II: Belle nuit, ô nuit d'amour (Barcarolle)
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Gounod: St Cecilia Mass: IV. Sanctus
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duration: PT5M20S
duration ms: 320626
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by artist: Orchestre De La Société Des Concerts Du Conservatoire
by artist: Jean-Claude Hartemann
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popularity: 23
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Berlioz: L'enfance du Christ, Op. 25, H. 130, Part 2: The Shepherds' Farewell
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duration: PT3M50S
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by artist: André Cluytens
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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popularity: 21
genre: classical
genre: orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Fauré: Requiem, Op. 48 : IV. Pie Jesu
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by artist: Gabriel Fauré
by artist: Dietrich Fischer-Dieskau
by artist: Victoria de los Ángeles
by artist: Choeurs Elisabeth Brasseurs
by artist: Henriette Puig-Roget
by artist: André Cluytens
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T19:07:14Z
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Rossini: La Cenerentola, Act 2: "Nacqui all'affanno, al pianto" - "Non più mesta" (Cenerentola)
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by artist: Maria Callas
by artist: Nicola Rescigno
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Rossini: La Cenerentola, Act 2: "Nacqui all'affanno, al pianto" - "Non più mesta" (Cenerentola)
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Berlioz: L'enfance du Christ, Op. 25, H 130, Pt. 2 "La fuite en Égypte": L'adieu des bergers. "Il s'en va loin de la terre" (Chœur)
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duration: PT3M46S
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by artist: André Cluytens
by artist: Choeurs Rene Duclos
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Berlioz: L'enfance du Christ, Op. 25, H 130, Pt. 2 "La fuite en Égypte": L'adieu des bergers. "Il s'en va loin de la terre" (Chœur)
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Chopin: Andante spianato and Grande Polonaise, Op. 22: I. Andante spianato in G Major - II. Grande polonaise in E-Flat Major
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duration: PT13M43S
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by artist: Stanisław Skrowaczewski
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popularity: 3
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Chopin: Andante spianato and Grande Polonaise, Op. 22: I. Andante spianato in G Major - II. Grande polonaise in E-Flat Major
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Vissi d'arte
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Tosca, S. 69: Vissi d'arte
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Debussy: Pelléas et Mélisande, CD 93, L. 88, Act 1: Introduction
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by artist: Roger Desormiere
by artist: Orchestre De La Société Des Concerts Du Conservatoire
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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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