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type: MusicGroup
genre: opera
description: Roberto Abbado (born 30 December 1954 in Milan) is an Italian opera and symphonic music conductor. Currently he is an Artistic Partner of The Saint Paul Chamber Orchestra. In 2015 he has been appoint
popularity: 28
followers: 605
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    by artist: RIAS Symphony Orchestra Berlin
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    subject of: OpenTimestamps Proof of Existence
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-08-01T03:50:58Z
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album: Verdi, Puccini, Leoncavallo & Others: Opera Arias (Live)
album: L'Amour
album: Great Singers Live
album: Verismo Arias
album: Mirella Freni
album: Revive
album: Bel Canto
album: Verdi: Macbeth (1865 Version) [Sung in French] [Live]
album: Verdi: Le trouvère (Sung in French) [Live]
album: Plácido Domingo at the MET
album: Francesconi: Cobalt Scarlet & Rest
album: Verdi: Un ballo in maschera (Live)
album: Great Singers Live: Hermann Prey
album: Klassik zum Joggen
album: Best of
album: Je n'aime pas Verdi, mais ça j'aime bien !
album: 111 Years of Deutsche Grammophon
album: Prima Donna - The First Ladies Of Opera
album: Die größten Tenöre
album: The Best Of Elina Garanca
album: Donizetti: An Introduction

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Verdi, Puccini, Leoncavallo & Others: Opera Arias (Live)
type: MusicAlbum
date published: 2019-04-12

L'Amour
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date published: 2014-01-01
track: La Dame blanche: "A quel plaisir d’être soldat "
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T08:30:10Z
  audio: La Dame blanche: "A quel plaisir d’être soldat "
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track: La jolie fille de Perth - Adapted Chris Hazell / Act 2: "Elle est là ...A la voix d'un amant fidèle"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: La jolie fille de Perth - Adapted Chris Hazell / Act 2: "Elle est là ...A la voix d'un amant fidèle"
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track: La Favorita - Critical Edition Rebecca Harris-Warrick / Act 1: "Parle, mon fils - Un ange, une femme inconnue, à genoux, priait "
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  subject of: OpenTimestamps Proof of Existence
  audio: La Favorita - Critical Edition Rebecca Harris-Warrick / Act 1: "Parle, mon fils - Un ange, une femme inconnue, à genoux, priait "
track: Les Troyens / Act 4: "O blonde Cérès"
track: Le Postillon de Lonjumeau / Act 1: "Mes amis, écoutez l'histoire d'un jeune et galant postillon"
track: Lakmé / Act 1: "Prendre le dessin d'un bijou... Fantaisie aux divins mensonges"
track: Werther / Act 1: "O Nature, pleine de grâce"
track: Werther / Act 3: "Toute mon âme est là! Pourquoi me réveiller, ô souffle de printemps?"
track: Mignon / Act 1: "Oui je veux par le monde promener librement mon humeur vagabonde!"
track: La Dame blanche: "Maintenant, observons … Viens, gentille dame "
track: La belle Hélène / Act 1: "Au Mont Ida, trois déesses"
track: Roméo et Juliette / Act 2: "L'amour! L'amour! ...Ah! lève-toi, soleil!"
track: Le Roi d'Ys / Act 3: "Puisqu'on ne peut flêchir ces jalouses gardiennes - vainement ma bien aimée"

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OTSBitcoinBlockVerifyURL
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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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfa3ba9a656eefd138d04818e476981e5eb7e29e323f8311518818dc45dc8ed7. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303420.
date published: 2026-07-31T08:38:45Z

La Favorita - Critical Edition Rebecca Harris-Warrick / Act 1: "Parle, mon fils - Un ange, une femme inconnue, à genoux, priait "
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.148
additional property: Loudness (dB)
  type: PropertyValue
  value: -14.607
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Les Troyens / Act 4: "O blonde Cérès"
type: MusicRecording
duration: PT4M31S
duration ms: 271946
explicit: false
by artist: Hector Berlioz
by artist: Juan Diego Flórez
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: L'Amour
  type: MusicAlbum
  date published: 2014-01-01
genre: classical
genre: orchestra
isrc code: GBF071303430
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T08:25:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f1ec40362ffb46e41b48d2f320d3cfcfb356efa7bf50861993d3eae73c65c67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960370
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960370
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303430
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:38:45Z
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 0x5f1ec40362ffb46e41b48d2f320d3cfcfb356efa7bf50861993d3eae73c65c67. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303430.
  date published: 2026-07-31T08:38:45Z
audio: Les Troyens / Act 4: "O blonde Cérès"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.584
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.129
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.081
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.087
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.436
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le Postillon de Lonjumeau / Act 1: "Mes amis, écoutez l'histoire d'un jeune et galant postillon"
type: MusicRecording
duration: PT3M58S
duration ms: 238693
explicit: false
by artist: Adolphe Adam
by artist: Juan Diego Flórez
by artist: Coro del Teatro Comunale di Bologna
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: L'Amour
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071303440
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T19:22:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc772eb379da7d2f86b94b42692a6bb456f60baf8365360e8300dc9c9dd31c1b7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960300
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303440
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:42:40Z
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 0xc772eb379da7d2f86b94b42692a6bb456f60baf8365360e8300dc9c9dd31c1b7. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303440.
  date published: 2026-07-30T19:42:40Z
audio: Le Postillon de Lonjumeau / Act 1: "Mes amis, écoutez l'histoire d'un jeune et galant postillon"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.882
  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: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.238
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.05
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.408
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.397
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lakmé / Act 1: "Prendre le dessin d'un bijou... Fantaisie aux divins mensonges"
type: MusicRecording
duration: PT5M34S
duration ms: 334240
explicit: false
by artist: Léo Delibes
by artist: Juan Diego Flórez
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: L'Amour
  type: MusicAlbum
  date published: 2014-01-01
genre: classical
isrc code: GBF071303450
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:21:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d7b73250354b57db57ca9d639d55b7165a0722b7fac607c339306ffd32331f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303450
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0x8d7b73250354b57db57ca9d639d55b7165a0722b7fac607c339306ffd32331f3. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303450.
  date published: 2026-07-31T02:19:15Z
audio: Lakmé / Act 1: "Prendre le dessin d'un bijou... Fantaisie aux divins mensonges"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.081
  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: 0.266
  additional property: Energy
    type: PropertyValue
    value: 0.188
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.21
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Werther / Act 1: "O Nature, pleine de grâce"
type: MusicRecording
duration: PT4M53S
duration ms: 293813
explicit: false
by artist: Jules Massenet
by artist: Juan Diego Flórez
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: L'Amour
  type: MusicAlbum
  date published: 2014-01-01
genre: classical
isrc code: GBF071303460
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:54:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeba68b4f567c1de67736cbf00a3a3d55bc578a9bba84adccaa082fb304955776
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303460
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 0xeba68b4f567c1de67736cbf00a3a3d55bc578a9bba84adccaa082fb304955776. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303460.
  date published: 2026-07-31T15:20:15Z
audio: Werther / Act 1: "O Nature, pleine de grâce"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.325
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.017
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Werther / Act 3: "Toute mon âme est là! Pourquoi me réveiller, ô souffle de printemps?"
type: MusicRecording
duration: PT3M7S
duration ms: 187053
explicit: false
by artist: Jules Massenet
by artist: Juan Diego Flórez
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: L'Amour
  type: MusicAlbum
  date published: 2014-01-01
genre: classical
isrc code: GBF071303470
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:10:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x726de2ed7572eff74f22d3ff00f0074f6a7c6edce0122f4ec7829ba6275146bd
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/GBF071303470
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 0x726de2ed7572eff74f22d3ff00f0074f6a7c6edce0122f4ec7829ba6275146bd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303470.
  date published: 2026-07-08T03:20:19Z
audio: Werther / Act 3: "Toute mon âme est là! Pourquoi me réveiller, ô souffle de printemps?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.539
  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: 0.22
  additional property: Energy
    type: PropertyValue
    value: 0.265
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.33
  additional property: Liveness
    type: PropertyValue
    value: 0.263
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.066
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.258
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mignon / Act 1: "Oui je veux par le monde promener librement mon humeur vagabonde!"
type: MusicRecording
duration: PT4M46S
duration ms: 286933
explicit: false
by artist: Ambroise Thomas
by artist: Juan Diego Flórez
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: L'Amour
  type: MusicAlbum
  date published: 2014-01-01
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
isrc code: GBF071303480
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T00:08:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf62da3070f9aeb8272d492dfe6fe2fc6dbb706ed6f18b3b098fc63f7596266b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960487
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960487
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303480
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:15:43Z
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 0xaf62da3070f9aeb8272d492dfe6fe2fc6dbb706ed6f18b3b098fc63f7596266b. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071303480.
  date published: 2026-08-01T00:15:43Z
audio: Mignon / Act 1: "Oui je veux par le monde promener librement mon humeur vagabonde!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.697
  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: 0.403
  additional property: Energy
    type: PropertyValue
    value: 0.21
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.048
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.447
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.834
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Dame blanche: "Maintenant, observons … Viens, gentille dame "
type: MusicRecording
duration: PT8M38S
duration ms: 518159
explicit: false
by artist: François-Adrien Boieldieu
by artist: Juan Diego Flórez
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: L'Amour
  type: MusicAlbum
  date published: 2014-01-01
isrc code: GBF071303490
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:15:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a261011d476cfc6ff85111a03661fe24eecbb10c61c45b01afcba43d133224f
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/GBF071303490
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
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  date published: 2026-07-31T18:48:12Z
audio: La Dame blanche: "Maintenant, observons … Viens, gentille dame "
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La belle Hélène / Act 1: "Au Mont Ida, trois déesses"
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by artist: Juan Diego Flórez
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
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genre: classical
genre: german-romanticism
genre: late-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: La belle Hélène / Act 1: "Au Mont Ida, trois déesses"
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Roméo et Juliette / Act 2: "L'amour! L'amour! ...Ah! lève-toi, soleil!"
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by artist: Juan Diego Flórez
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by artist: Roberto Abbado
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T06:39:12Z
audio: Roméo et Juliette / Act 2: "L'amour! L'amour! ...Ah! lève-toi, soleil!"
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Le Roi d'Ys / Act 3: "Puisqu'on ne peut flêchir ces jalouses gardiennes - vainement ma bien aimée"
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by artist: Juan Diego Flórez
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Roberto Abbado
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T13:09:35Z
audio: Le Roi d'Ys / Act 3: "Puisqu'on ne peut flêchir ces jalouses gardiennes - vainement ma bien aimée"
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Great Singers Live
type: MusicAlbum
date published: 2013-01-01

Verismo Arias
type: MusicAlbum
date published: 1992-08-19

Mirella Freni
type: MusicAlbum
date published: 2016-07-01

Revive
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date published: 2016-11-04
track: Cavalleria rusticana: "Voi lo sapete, o mamma"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:53:06Z
  audio: Cavalleria rusticana: "Voi lo sapete, o mamma"
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track: Adriana Lecouvreur / Act II: "Acerba voluttà, dolce tortura ... O vagabonda stella d'Oriente"
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  popularity: 9
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Adriana Lecouvreur / Act II: "Acerba voluttà, dolce tortura ... O vagabonda stella d'Oriente"
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track: Les Troyens, H 133 / Act V: "Ah! Ah! Je vais mourir ... Adieu, fière cité"
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  subject of: OpenTimestamps Proof of Existence
  audio: Les Troyens, H 133 / Act V: "Ah! Ah! Je vais mourir ... Adieu, fière cité"
track: Don Carlo / Act II: "Nel giardin del bello"
track: Samson et Dalila, Op. 47, R. 288 / Act 2: "Samson, recherchant ma présence ... Amour, viens aider ma faiblesse"
track: Boris Godunov / Act III: "Skučno, Marine ... Kak tomitel'no i vyalo"
track: Adriana Lecouvreur / Act I: "Ecco: respiro appena ... Io son l'umile ancella"
track: Hérodiade / Act I: "Venge-moi d'une suprême offense! ... Ne me refuse pas"
track: Mignon / Act I: "Connais-tu le pays"
track: La forza del destino / Act 3: "Rataplan, rataplan, rataplan"
track: La Gioconda, Op. 9 / Act 2: "Ho il cuor gonfio di lagrime ... Stella del marinar!"
track: Werther / Act III: "Va! Laisse couler mes larmes"
track: La bohème / Act III: "È destin, debbo andarmene ... Marcello mio"
track: Henry VIII / Act II: "Reine! Je serai reine!"

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a577c239d43f01a9927029948f83201c321e0b04ef771e142e219ffb2d11fc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600430.
date published: 2026-07-02T03:55:08Z

Les Troyens, H 133 / Act V: "Ah! Ah! Je vais mourir ... Adieu, fière cité"
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Don Carlo / Act II: "Nel giardin del bello"
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  date published: 2026-07-29T21:09:47Z
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Samson et Dalila, Op. 47, R. 288 / Act 2: "Samson, recherchant ma présence ... Amour, viens aider ma faiblesse"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:37:10Z
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Boris Godunov / Act III: "Skučno, Marine ... Kak tomitel'no i vyalo"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Boris Godunov / Act III: "Skučno, Marine ... Kak tomitel'no i vyalo"
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Adriana Lecouvreur / Act I: "Ecco: respiro appena ... Io son l'umile ancella"
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subject of: OpenTimestamps Proof of Existence
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Hérodiade / Act I: "Venge-moi d'une suprême offense! ... Ne me refuse pas"
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subject of: OpenTimestamps Proof of Existence
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Mignon / Act I: "Connais-tu le pays"
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subject of: OpenTimestamps Proof of Existence
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La forza del destino / Act 3: "Rataplan, rataplan, rataplan"
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600500
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 0x69cd3b58136ee5ca1cb5571a4769d688416105a121d2edd8599d8e92758c0567. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600500.
  date published: 2026-07-08T03:20:19Z
audio: La forza del destino / Act 3: "Rataplan, rataplan, rataplan"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.294
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.351
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.646
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Gioconda, Op. 9 / Act 2: "Ho il cuor gonfio di lagrime ... Stella del marinar!"
type: MusicRecording
duration: PT2M44S
duration ms: 164306
explicit: false
by artist: Amilcare Ponchielli
by artist: Elina Garanca
by artist: Orquestra de la Comunitat Valenciana
by artist: Roberto Abbado
in album: Revive
  type: MusicAlbum
  date published: 2016-11-04
popularity: 3
isrc code: DEN961600510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:36:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x689174d8df973dddb257574b3b99196a8783239a1485b91a6198dd0dfdd5a4b3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0x689174d8df973dddb257574b3b99196a8783239a1485b91a6198dd0dfdd5a4b3. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600510.
  date published: 2026-07-31T02:19:15Z
audio: La Gioconda, Op. 9 / Act 2: "Ho il cuor gonfio di lagrime ... Stella del marinar!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.191
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.336
  additional property: Energy
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    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.043
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.155
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Werther / Act III: "Va! Laisse couler mes larmes"
type: MusicRecording
duration: PT2M47S
duration ms: 167453
explicit: false
by artist: Jules Massenet
by artist: Elina Garanca
by artist: Orquestra de la Comunitat Valenciana
by artist: Roberto Abbado
in album: Revive
  type: MusicAlbum
  date published: 2016-11-04
popularity: 9
genre: classical
isrc code: DEN961600520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:05:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x309193f1beccce171858327b81fe09afc2c6feb0deba029ef06c98b3a44a4602
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
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 0x309193f1beccce171858327b81fe09afc2c6feb0deba029ef06c98b3a44a4602. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600520.
  date published: 2026-07-07T14:04:01Z
audio: Werther / Act III: "Va! Laisse couler mes larmes"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.679
  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: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.053
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.061
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.626
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La bohème / Act III: "È destin, debbo andarmene ... Marcello mio"
type: MusicRecording
duration: PT5M52S
duration ms: 352000
explicit: false
by artist: Ruggero Leoncavallo
by artist: Elina Garanca
by artist: Orquestra de la Comunitat Valenciana
by artist: Roberto Abbado
in album: Revive
  type: MusicAlbum
  date published: 2016-11-04
popularity: 3
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: DEN961600530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:21:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc341e8ee40e2515a65af7f43001a04d0198c4284e092718f30a432deaa0e23cd
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/DEN961600530
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 0xc341e8ee40e2515a65af7f43001a04d0198c4284e092718f30a432deaa0e23cd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600530.
  date published: 2026-07-08T03:20:19Z
audio: La bohème / Act III: "È destin, debbo andarmene ... Marcello mio"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.821
  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: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.064
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.252
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Henry VIII / Act II: "Reine! Je serai reine!"
type: MusicRecording
duration: PT3M7S
duration ms: 187053
explicit: false
by artist: Camille Saint-Saëns
by artist: Elina Garanca
by artist: Orquestra de la Comunitat Valenciana
by artist: Roberto Abbado
in album: Revive
  type: MusicAlbum
  date published: 2016-11-04
popularity: 2
genre: classical
genre: late-romantic-era
genre: french-romanticism
isrc code: DEN961600540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:49:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73db2826134fd1e4c2563b8f580ce1e2e117914dce564dda57510ae6859c9a0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600540
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 0x73db2826134fd1e4c2563b8f580ce1e2e117914dce564dda57510ae6859c9a0f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600540.
  date published: 2026-07-31T15:20:15Z
audio: Henry VIII / Act II: "Reine! Je serai reine!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.687
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.252
  additional property: Energy
    type: PropertyValue
    value: 0.174
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.59
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bel Canto
type: MusicAlbum
date published: 2009-01-01
track: Lucrezia Borgia / Act II: "Il segreto per esser felici"
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165120
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Elina Garanca
  by artist: Filarmonica del Teatro Comunale di Bologna
  by artist: Roberto Abbado
  by artist: Coro del Teatro Comunale di Bologna
  by artist: Paolo Vero
  in album: Bel Canto
    type: MusicAlbum
    date published: 2009-01-01
  popularity: 14
  genre: opera
  isrc code: DEN960802200
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T06:44:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3ac748a7cf65ee284fd3cb305fe8c313d891c54a7b2241007cf716938e68a401
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802200
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  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 0x3ac748a7cf65ee284fd3cb305fe8c313d891c54a7b2241007cf716938e68a401. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802200.
    date published: 2026-07-06T07:16:32Z
  audio: Lucrezia Borgia / Act II: "Il segreto per esser felici"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.747
    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: 0.481
    additional property: Energy
      type: PropertyValue
      value: 0.141
    additional property: Speechiness
      type: PropertyValue
      value: 0.057
    additional property: Acousticness
      type: PropertyValue
      value: 0.974
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.063
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.287
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.231
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: L'assedio di Calais / Act I: "Al mio core"
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210826
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Elina Garanca
  by artist: Filarmonica del Teatro Comunale di Bologna
  by artist: Roberto Abbado
  in album: Bel Canto
    type: MusicAlbum
    date published: 2009-01-01
  popularity: 6
  genre: opera
  isrc code: DEN960802210
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T08:37:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1d3602ecb2c77965c7224a1a5af8c0b5e4e017a2dfd461b5506568d7b2ac432a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960236
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960236
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802210
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T09:37:10Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x1d3602ecb2c77965c7224a1a5af8c0b5e4e017a2dfd461b5506568d7b2ac432a. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802210.
    date published: 2026-07-30T09:37:10Z
  audio: L'assedio di Calais / Act I: "Al mio core"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.886
    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: 0.254
    additional property: Energy
      type: PropertyValue
      value: 0.066
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
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track: Roberto Devereux / Act I: "All'afflitto è dolce il pianto"
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  audio: Roberto Devereux / Act I: "All'afflitto è dolce il pianto"
track: Dom Sébastien, Roi de Portugal / Act II: "Que faire" - "Sol adoré de la patrie"
track: Adelson e Salvini / Act I: "Dopo l'oscuro nembo"
track: Maria Stuarda / Act I: "Si, vuol di Francia il Rege"
track: Maria Stuarda / Act I: "Ah! quando all'ara scorgemi"
track: Maria Stuarda / Act I: "In tal giorno di contento"
track: Maria Stuarda / Act I: "Ah! dal ciel discenda un raggio"
track: Tancredi / Act I: Andante
track: Tancredi / Act I: "O patria! dolce, e ingrata patria"
track: Tancredi / Act I: "Di tanti palpiti"
track: Maometto II / Act 2: "In questi estremi istanti"
track: I Capuleti e i Montecchi / Act I: "Lieto del dolce incarco"
track: I Capuleti e i Montecchi / Act I: "Ascolta, se Romeo t'uccise"
track: I Capuleti e i Montecchi / Act I: "Riedi al campo"
track: I Capuleti e i Montecchi / Act I: "La tremenda ultrice spada"
track: L'assedio di Calais / Act II: "Lo l'udia chiarmarmi a nome"
track: L'assedio di Calais / Act II: "Suon tremendo!"
track: L'assedio di Calais / Act II: "La speme un dolce palpito"
track: I Capuleti e i Montecchi / Act II: Ella è morta, o sciagurato

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OTSVerifyInstructions
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date published: 2026-07-08T03:20:19Z

Roberto Devereux / Act I: "All'afflitto è dolce il pianto"
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Dom Sébastien, Roi de Portugal / Act II: "Que faire" - "Sol adoré de la patrie"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Dom Sébastien, Roi de Portugal / Act II: "Que faire" - "Sol adoré de la patrie"
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Adelson e Salvini / Act I: "Dopo l'oscuro nembo"
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by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: Bel Canto
  type: MusicAlbum
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popularity: 18
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Adelson e Salvini / Act I: "Dopo l'oscuro nembo"
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Maria Stuarda / Act I: "Si, vuol di Francia il Rege"
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by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
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popularity: 4
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T22:27:30Z
audio: Maria Stuarda / Act I: "Si, vuol di Francia il Rege"
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Maria Stuarda / Act I: "Ah! quando all'ara scorgemi"
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popularity: 4
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Maria Stuarda / Act I: "Ah! quando all'ara scorgemi"
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Maria Stuarda / Act I: "In tal giorno di contento"
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duration: PT1M43S
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popularity: 4
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: Maria Stuarda / Act I: "In tal giorno di contento"
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Maria Stuarda / Act I: "Ah! dal ciel discenda un raggio"
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duration: PT3M49S
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by artist: Elina Garanca
by artist: Ildebrando D'Arcangelo
by artist: Adrian Sampetrean
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by artist: Roberto Abbado
by artist: Coro del Teatro Comunale di Bologna
by artist: Paolo Vero
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  date published: 2009-01-01
popularity: 7
genre: opera
isrc code: DEN960802254
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19Z
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: Maria Stuarda / Act I: "Ah! dal ciel discenda un raggio"
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Tancredi / Act I: Andante
type: MusicRecording
duration: PT2M3S
duration ms: 123826
explicit: false
by artist: Gioachino Rossini
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: Bel Canto
  type: MusicAlbum
  date published: 2009-01-01
popularity: 4
genre: classical
genre: opera
isrc code: DEN960802261
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbb2fa17f3e81727a5e2c5a13766cf863be297641437a506d06ebdaa99bf5d5e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802261.
  date published: 2026-07-08T03:20:19Z
audio: Tancredi / Act I: Andante
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Tancredi / Act I: "O patria! dolce, e ingrata patria"
type: MusicRecording
duration: PT3M47S
duration ms: 227013
explicit: false
by artist: Gioachino Rossini
by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: Bel Canto
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
genre: classical
genre: opera
isrc code: DEN960802262
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7959ebd6a0075f38557116f81490a2fc17b22610d81046eab6e66ed6dafadbb6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802262.
  date published: 2026-07-08T03:20:19Z
audio: Tancredi / Act I: "O patria! dolce, e ingrata patria"
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Tancredi / Act I: "Di tanti palpiti"
type: MusicRecording
duration: PT3M3S
duration ms: 183520
explicit: false
by artist: Gioachino Rossini
by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: Bel Canto
  type: MusicAlbum
  date published: 2009-01-01
popularity: 6
genre: classical
genre: opera
isrc code: DEN960802263
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7fde681e7300c50ca228bb73457a5d0658dad983131f1fe30df765c2a34c608. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802263.
  date published: 2026-07-08T03:20:19Z
audio: Tancredi / Act I: "Di tanti palpiti"
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  additional property: Tempo (BPM)
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Maometto II / Act 2: "In questi estremi istanti"
type: MusicRecording
duration: PT6M25S
duration ms: 385386
explicit: false
by artist: Gioachino Rossini
by artist: Elina Garanca
by artist: Ekaterina Siurina
by artist: Matthew Polenzani
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: Bel Canto
  type: MusicAlbum
  date published: 2009-01-01
popularity: 4
genre: classical
genre: opera
isrc code: DEN960802270
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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  date published: 2026-07-30T18:23:33Z
audio: Maometto II / Act 2: "In questi estremi istanti"
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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I Capuleti e i Montecchi / Act I: "Lieto del dolce incarco"
type: MusicRecording
duration: PT1M44S
duration ms: 104106
explicit: false
by artist: Vincenzo Bellini
by artist: Elina Garanca
by artist: Matthew Polenzani
by artist: Ildebrando D'Arcangelo
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
by artist: Coro del Teatro Comunale di Bologna
in album: Bel Canto
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
genre: opera
isrc code: DEN960802281
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802281
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a149d944aa00139553edfde6d7feb9c0f187cf30da6b812a6c75731fa2152e2. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802281.
  date published: 2026-07-31T12:24:41Z
audio: I Capuleti e i Montecchi / Act I: "Lieto del dolce incarco"
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  additional property: Danceability
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  additional property: Acousticness
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I Capuleti e i Montecchi / Act I: "Ascolta, se Romeo t'uccise"
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duration: PT2M50S
duration ms: 170693
explicit: false
by artist: Vincenzo Bellini
by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
in album: Bel Canto
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
genre: opera
isrc code: DEN960802282
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52edb12eaa93facaa2062058eb355b7a54923e46662c4d83ef822387b098edf6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960802282.
  date published: 2026-07-31T15:20:15Z
audio: I Capuleti e i Montecchi / Act I: "Ascolta, se Romeo t'uccise"
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I Capuleti e i Montecchi / Act I: "Riedi al campo"
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by artist: Ildebrando D'Arcangelo
by artist: Elina Garanca
by artist: Matthew Polenzani
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
by artist: Coro del Teatro Comunale di Bologna
by artist: Paolo Vero
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popularity: 3
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T22:27:44Z
audio: I Capuleti e i Montecchi / Act I: "Riedi al campo"
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I Capuleti e i Montecchi / Act I: "La tremenda ultrice spada"
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duration ms: 214426
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by artist: Elina Garanca
by artist: Ildebrando D'Arcangelo
by artist: Matthew Polenzani
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by artist: Roberto Abbado
by artist: Coro del Teatro Comunale di Bologna
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popularity: 5
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:38:45Z
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L'assedio di Calais / Act II: "Lo l'udia chiarmarmi a nome"
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by artist: Elina Garanca
by artist: Ekaterina Siurina
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
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popularity: 3
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: L'assedio di Calais / Act II: "Lo l'udia chiarmarmi a nome"
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L'assedio di Calais / Act II: "Suon tremendo!"
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by artist: Gaetano Donizetti
by artist: Elina Garanca
by artist: Ekaterina Siurina
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by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
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popularity: 3
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: L'assedio di Calais / Act II: "Suon tremendo!"
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L'assedio di Calais / Act II: "La speme un dolce palpito"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: L'assedio di Calais / Act II: "La speme un dolce palpito"
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I Capuleti e i Montecchi / Act II: Ella è morta, o sciagurato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:51:24Z
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Verdi: Macbeth (1865 Version) [Sung in French] [Live]
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date published: 2021-12-03

Verdi: Le trouvère (Sung in French) [Live]
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date published: 2019-09-13

Plácido Domingo at the MET
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date published: 2014-03-24
track: Turandot, Act III: "Nessun dorma"
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1400016
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T15:20:15Z
  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 0x4b929b6173562f2fdd168517f8f416ff0b99ffe60b44568081a9362edffc7160. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1400016.
    date published: 2026-07-31T15:20:15Z
  audio: Turandot, Act III: "Nessun dorma"
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Rigoletto, Act III: "La donna è mobile"
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141400
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  by artist: Giuseppe Verdi
  by artist: Plácido Domingo
  by artist: James Levine
  by artist: Metropolitan Opera Orchestra
  in album: Plácido Domingo at the MET
    type: MusicAlbum
    date published: 2014-03-24
  popularity: 1
  genre: classical
  genre: opera
  isrc code: USY3P1302929
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x6e0528653955ce149ecdb2f11c4def287ed62e0778a2670d2ba5dabb844fc33d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960468
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1302929
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T21:25:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x6e0528653955ce149ecdb2f11c4def287ed62e0778a2670d2ba5dabb844fc33d. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1302929.
    date published: 2026-07-31T21:25:57Z
  audio: Rigoletto, Act III: "La donna è mobile"
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Pagliacci, Act I: "Recitar! ... Vesti la giubba"
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248773
  explicit: false
  by artist: Ruggero Leoncavallo
  by artist: Plácido Domingo
  by artist: James Levine
  by artist: Metropolitan Opera Orchestra
  in album: Plácido Domingo at the MET
    type: MusicAlbum
    date published: 2014-03-24
  popularity: 1
  genre: italian-opera
  genre: italian-romanticism
  genre: opera
  isrc code: USY3P1400018
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Pagliacci, Act I: "Recitar! ... Vesti la giubba"
track: La Fanciulla del West, Act III: "Risparmiate lo scherno ... Ch'ella mi creda"
track: Tosca, Act III: "E lucevan le stelle"

CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x9b8b2d00041915669c060c468fc4342a9dbe9089e00172d909552612a9d68387

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960397

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960397

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1400018

OTSTimestamp
type: PropertyValue
value: 2026-07-31T12:24:41Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x9b8b2d00041915669c060c468fc4342a9dbe9089e00172d909552612a9d68387. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1400018.
date published: 2026-07-31T12:24:41Z

Pagliacci, Act I: "Recitar! ... Vesti la giubba"
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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La Fanciulla del West, Act III: "Risparmiate lo scherno ... Ch'ella mi creda"
type: MusicRecording
duration: PT4M19S
duration ms: 259346
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Kim Josephson
by artist: Sherrill Milnes
by artist: Leonard Slatkin
by artist: Metropolitan Opera Orchestra
by artist: Metropolitan Opera Chorus
in album: Plácido Domingo at the MET
  type: MusicAlbum
  date published: 2014-03-24
popularity: 16
isrc code: USY3P1400019
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1400019
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xae7c6e023f736815c715706f803b5aa06b033fbaa8752caacae4e8f15c799b9c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1400019.
  date published: 2026-06-13T13:32:09Z
audio: La Fanciulla del West, Act III: "Risparmiate lo scherno ... Ch'ella mi creda"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Tosca, Act III: "E lucevan le stelle"
type: MusicRecording
duration: PT3M7S
duration ms: 187413
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Metropolitan Opera Orchestra
by artist: Paul Plishka
by artist: George Schick
by artist: Giuseppe Sinopoli
in album: Plácido Domingo at the MET
  type: MusicAlbum
  date published: 2014-03-24
popularity: 2
isrc code: USY3P1400030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf143b6193435552aef453693f22bda595bc941ab9a249933487a2a03f2943d4e
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960220
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1400030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30Z
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 0xf143b6193435552aef453693f22bda595bc941ab9a249933487a2a03f2943d4e. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P1400030.
  date published: 2026-07-30T07:28:30Z
audio: Tosca, Act III: "E lucevan le stelle"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Francesconi: Cobalt Scarlet & Rest
type: MusicAlbum
date published: 2005-02-11

Verdi: Un ballo in maschera (Live)
type: MusicAlbum
date published: 2022-09-16

Great Singers Live: Hermann Prey
type: MusicAlbum
date published: 2012-04-03
track: Die Zauberflote (The Magic Flute), K. 620, Act II: Arie: Ein Madchen oder Weibchen wunscht Papageno sich!
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232480
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Hermann Prey
  by artist: Munich Radio Orchestra
  by artist: Argeo Quadri
  in album: Great Singers Live: Hermann Prey
    type: MusicAlbum
    date published: 2012-04-03
  popularity: 3
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: DELW71230701
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  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-07T07:41:10+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71230701
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x778b1a456c03d8223b03c5ae7daa41c7bd76924b2f9bf40e4c01853229b6f4ba. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELW71230701.
    date published: 2026-07-08T03:20:19Z
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Klassik zum Joggen
type: MusicAlbum
date published: 2013-05-27
track: La Rencontre imprévue (or, Les Pelerins de la Mecque): Overture
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  duration: PT2M39S
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  by artist: Collegium Aureum
  by artist: Franzjosef Maier
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    date published: 2013-05-27
  genre: classical
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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track: Marcia Turchese
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  by artist: Collegium Aureum
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Marcia Turchese
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track: Waltz in D-Flat Major, Op. 64, No. 1, "Minute"
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  genre: early-romantic-era
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  subject of: OpenTimestamps Proof of Existence
  audio: Waltz in D-Flat Major, Op. 64, No. 1, "Minute"
track: Auf der Jagd, Op. 373
track: Carmen Suite No. 2: Prelude in A Major
track: Il Signor Bruschino: Overture
track: Hungarian Dances, WoO 1: No. 5 in G Minor
track: Aida: Ballabile
track: Gayane Suite No. 3: 5. Sabre Dance
track: Concerto a Tromba principale in E Major: Rondo

OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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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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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe078210aecb4e29b90de50f90bd66af4f61f9a077a248467fef24cbd34124d70. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE471200016.
date published: 2026-07-08T03:22:41Z

Waltz in D-Flat Major, Op. 64, No. 1, "Minute"
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Auf der Jagd, Op. 373
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by artist: Wiener Johann Strauss Orchester
by artist: Martin Sieghart
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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: 2026-07-22T13:20:46Z
audio: Auf der Jagd, Op. 373
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Carmen Suite No. 2: Prelude in A Major
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by artist: Georges Bizet
by artist: Georges Prêtre
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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
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Carmen Suite No. 2: Prelude in A Major
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Il Signor Bruschino: Overture
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by artist: Gioachino Rossini
by artist: Wolfgang Gröhs
in album: Klassik zum Joggen
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genre: classical
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Il Signor Bruschino: Overture
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Hungarian Dances, WoO 1: No. 5 in G Minor
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by artist: Cristian Mandeal
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genre: german-romanticism
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genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:06:10Z
audio: Hungarian Dances, WoO 1: No. 5 in G Minor
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Aida: Ballabile
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by artist: Roberto Abbado
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genre: classical
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19500199
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 0x5fa83dc4fdca656866900be1646feabf9bc87634ca979ecd008e4aea8d4c46da. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19500199.
  date published: 2026-07-08T03:22:41Z
audio: Aida: Ballabile
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.184
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.263
  additional property: Energy
    type: PropertyValue
    value: 0.127
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.886
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.818
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.288
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.94
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Gayane Suite No. 3: 5. Sabre Dance
type: MusicRecording
duration: PT2M23S
duration ms: 143400
explicit: false
by artist: Aram Khachaturian
by artist: Arthur Fiedler
by artist: Boston Pops Orchestra
in album: Klassik zum Joggen
  type: MusicAlbum
  date published: 2013-05-27
genre: classical
isrc code: USBC15800233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T02:39:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79bfc86a4333660ffa2cc75ba3b4818e0b986c8bb5b2a8964eeb8575eaa6325a
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/USBC15800233
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 0x79bfc86a4333660ffa2cc75ba3b4818e0b986c8bb5b2a8964eeb8575eaa6325a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC15800233.
  date published: 2026-07-08T03:22:41Z
audio: Gayane Suite No. 3: 5. Sabre Dance
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.241
  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: 0.448
  additional property: Energy
    type: PropertyValue
    value: 0.67
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.662
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.716
  additional property: Liveness
    type: PropertyValue
    value: 0.4
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.087
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto a Tromba principale in E Major: Rondo
type: MusicRecording
duration: PT3M32S
duration ms: 212320
explicit: false
by artist: Johann Nepomuk Hummel
by artist: Guy Touvron
in album: Klassik zum Joggen
  type: MusicAlbum
  date published: 2013-05-27
isrc code: USBC19101197
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:38:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe846d66e4e70d2839257ddeedddf43bf78d113e99d76788bf9de59aa38d75280
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/USBC19101197
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 0xe846d66e4e70d2839257ddeedddf43bf78d113e99d76788bf9de59aa38d75280. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19101197.
  date published: 2026-07-08T03:22:41Z
audio: Concerto a Tromba principale in E Major: Rondo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.628
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.515
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.6
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.037
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Best of
type: MusicAlbum
date published: 2012-04-23
track: Pomme d'Api: Bonjour Monsieur, je suis la bonne (Couplet)
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163493
  explicit: false
  by artist: Jacques Offenbach
  by artist: Vesselina Kasarova
  by artist: Ulf Schirmer
  in album: Best of
    type: MusicAlbum
    date published: 2012-04-23
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  genre: french-opera
  genre: french-romanticism
  genre: operetta
  isrc code: DEE470800004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T18:38:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x95af7490705fa7de54c653282a0ddc8e9b3ac134311ca106316e203df41fc209
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960138
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960138
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470800004
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T19:35:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x95af7490705fa7de54c653282a0ddc8e9b3ac134311ca106316e203df41fc209. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470800004.
    date published: 2026-07-29T19:35:34Z
  audio: Pomme d'Api: Bonjour Monsieur, je suis la bonne (Couplet)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.846
    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: 0.514
    additional property: Energy
      type: PropertyValue
      value: 0.072
    additional property: Speechiness
      type: PropertyValue
      value: 0.131
    additional property: Acousticness
      type: PropertyValue
      value: 0.984
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.599
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.161
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Orfeo ed Euridice: Che farò senza Euridice?
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260200
  explicit: false
  by artist: Christoph Willibald Gluck
  by artist: Vesselina Kasarova
  by artist: Munich Radio Orchestra
  by artist: Friedrich Haider
  in album: Best of
    type: MusicAlbum
    date published: 2012-04-23
  genre: classical
  genre: opera
  isrc code: USBC19602386
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T19:16:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd33208d54efbb133cc287a84e28c470b5dea7f6c5b4df3e06b8151313fb0a169
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19602386
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xd33208d54efbb133cc287a84e28c470b5dea7f6c5b4df3e06b8151313fb0a169. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19602386.
    date published: 2026-07-02T03:55:08Z
  audio: Orfeo ed Euridice: Che farò senza Euridice?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.463
    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: 0.264
    additional property: Energy
      type: PropertyValue
      value: 0.067
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.981
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.225
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.119
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.19
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Je n'aime pas Verdi, mais ça j'aime bien !
type: MusicAlbum
date published: 2019-05-17
track: La Traviata: Act I: Libiamo ne' lieti calici
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184413
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Montserrat Caballé
  by artist: Carlo Bergonzi
  by artist: Georges Prêtre
  by artist: RCA Italiana Opera Chorus
  by artist: RCA Italiana Opera Orchestra
  by artist: Fernando Iacopucci
  by artist: Dorothy Krebill
  by artist: Harold Enns
  by artist: Gene Boucher
  by artist: Sherrill Milnes
  by artist: Thomas Jamerson
  by artist: Nancy Stokes
  by artist: Camillo Sforza
  by artist: Franco Ruta
  by artist: Flavio Tasin
  in album: Je n'aime pas Verdi, mais ça j'aime bien !
    type: MusicAlbum
    date published: 2019-05-17
  genre: classical
  genre: opera
  isrc code: USBC16700137
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T02:42:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0e81cb54f00b88366ae833c95dc25b73a5bead7ce96c636fb7a2dcfb4c7bce8d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957052
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957052
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16700137
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:50:41Z
  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 0x0e81cb54f00b88366ae833c95dc25b73a5bead7ce96c636fb7a2dcfb4c7bce8d. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16700137.
    date published: 2026-07-07T14:50:41Z
  audio: La Traviata: Act I: Libiamo ne' lieti calici
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 168.215
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.29
    additional property: Energy
      type: PropertyValue
      value: 0.257
    additional property: Speechiness
      type: PropertyValue
      value: 0.076
    additional property: Acousticness
      type: PropertyValue
      value: 0.968
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.225
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.259
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.469
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nabucco: Va pensiero
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290613
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Renato Cellini
  by artist: Robert Shaw Chorale
  by artist: RCA Victor Orchestra
  in album: Je n'aime pas Verdi, mais ça j'aime bien !
    type: MusicAlbum
    date published: 2019-05-17
  genre: classical
  genre: opera
  isrc code: USBC10000840
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T07:06:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10f03a5ded15cd76a67837f3bfca38afe4f87a2544323a437459bbfc6fb28768
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10000840
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x10f03a5ded15cd76a67837f3bfca38afe4f87a2544323a437459bbfc6fb28768. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10000840.
    date published: 2026-06-13T12:47:07Z
  audio: Nabucco: Va pensiero
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.803
    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: 0.24
    additional property: Energy
      type: PropertyValue
      value: 0.157
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.976
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  by artist: Plácido Domingo
  by artist: Nello Santi
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  subject of: OpenTimestamps Proof of Existence
  audio: Rigoletto: Act IV: La donna è mobile
track: La Traviata: Act II: Noi siamo zingarelle
track: La traviata: Act II: Lunge da lei per me non v'ha diletto!
track: Aida - Se quel guerrier... Celeste Aida
track: Messa da Requiem: II. Dies irae: Dies irae
track: La Traviata: Act III: Parigi, o cara
track: Il trovatore: Di quella pira
track: Nabucco: Choeur des prisonniers
track: Prelude
track: Rigoletto: Act I: Gualtier Maldè... Caro nome
track: Rigoletto: Act III: Sì, vendetta, tremenda vendetta
track: La traviata: Choeur des matadors
track: La Forza del Destino: Act II: Scene 3: La Vergine degli angeli
track: Laudi alla Vergine Maria
track: Messa da Requiem: II. Dies irae: Lacrimosa
track: Le trouvère: Choeur des bohémiens
track: Rigoletto: Scorrendo uniti
track: Don Carlos: "Scène de l'autodafé"
track: La force du destin: Ouverture

Nello Santi
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Je n'aime pas Verdi, mais ça j'aime bien !
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc704d04341e6d263d3f574c3a2323f8df3f833dd8a78e23bcc990610933bf76e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17100146.
date published: 2026-07-02T03:55:08Z

Rigoletto: Act IV: La donna è mobile
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La Traviata: Act II: Noi siamo zingarelle
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duration: PT2M52S
duration ms: 172413
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by artist: Georges Prêtre
by artist: RCA Italiana Opera Orchestra
by artist: RCA Italiana Opera Chorus
in album: Je n'aime pas Verdi, mais ça j'aime bien !
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  date published: 2019-05-17
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: 2026-07-02T03:55:08Z
audio: La Traviata: Act II: Noi siamo zingarelle
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La traviata: Act II: Lunge da lei per me non v'ha diletto!
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duration: PT2M0S
duration ms: 120013
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by artist: Giuseppe Verdi
by artist: Riccardo Muti
by artist: Roberto Alagna
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Je n'aime pas Verdi, mais ça j'aime bien !
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genre: classical
genre: opera
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
audio: La traviata: Act II: Lunge da lei per me non v'ha diletto!
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Aida - Se quel guerrier... Celeste Aida
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duration: PT4M29S
duration ms: 269013
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Erich Leinsdorf
in album: Je n'aime pas Verdi, mais ça j'aime bien !
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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: 2026-07-07T14:04:01Z
audio: Aida - Se quel guerrier... Celeste Aida
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Messa da Requiem: II. Dies irae: Dies irae
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duration: PT2M32S
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by artist: Giuseppe Verdi
by artist: Nikolaus Harnoncourt
by artist: Wiener Philharmoniker
by artist: Arnold Schoenberg Chor
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Messa da Requiem: II. Dies irae: Dies irae
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La Traviata: Act III: Parigi, o cara
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duration: PT4M23S
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by artist: Georges Prêtre
by artist: Carlo Bergonzi
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by artist: RCA Italiana Opera Orchestra
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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: 2026-07-29T13:21:01Z
audio: La Traviata: Act III: Parigi, o cara
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Il trovatore: Di quella pira
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genre: classical
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19500464
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xa5e0672276cd6b7ffebb425d243b6c1f0ca5dab4553c50e895d9c4b815da46c5. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19500464.
  date published: 2026-07-29T19:35:34Z
audio: Il trovatore: Di quella pira
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 136.412
  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: 0.411
  additional property: Energy
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    value: 0.447
  additional property: Speechiness
    type: PropertyValue
    value: 0.088
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.434
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.378
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.009
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Nabucco: Choeur des prisonniers
type: MusicRecording
duration: PT4M16S
duration ms: 256812
explicit: false
by artist: Giuseppe Verdi
by artist: Choeurs de l'Opéra de Vienne
by artist: Wilhelm Loibner
by artist: Franz Bauer-Theussl
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: FRV627400980
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T17:28:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f9ba5e439e628442953ed136980671f06579a980f781e4f04afcbb11b3d3ddc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959159
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959159
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV627400980
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T17:48:40Z
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 0x6f9ba5e439e628442953ed136980671f06579a980f781e4f04afcbb11b3d3ddc. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV627400980.
  date published: 2026-07-22T17:48:40Z
audio: Nabucco: Choeur des prisonniers
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.068
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.243
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.058
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.531
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
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Prelude
type: MusicRecording
duration: PT3M32S
duration ms: 212013
explicit: false
by artist: Giuseppe Verdi
by artist: Georges Prêtre
by artist: RCA Italiana Opera Orchestra
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: USBC16700135
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:48:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc97140f640d81480e23dda2a12385b8826211302c1f63b822fbaaeadf0b38fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16700135
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0xcc97140f640d81480e23dda2a12385b8826211302c1f63b822fbaaeadf0b38fe. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16700135.
  date published: 2026-07-07T18:39:05Z
audio: Prelude
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.45
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.265
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.848
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.89
  additional property: Liveness
    type: PropertyValue
    value: 0.356
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.129
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.835
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
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Rigoletto: Act I: Gualtier Maldè... Caro nome
type: MusicRecording
duration: PT5M37S
duration ms: 337413
explicit: false
by artist: Giuseppe Verdi
by artist: Lucia Popp
by artist: Lamberto Gardelli
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: DEE478400124
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:30:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd9c60c2dfdfd53aa3f2bf33915fcc888d87acc5450c8b566d40a98d11e0443a3
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/DEE478400124
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 0xd9c60c2dfdfd53aa3f2bf33915fcc888d87acc5450c8b566d40a98d11e0443a3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE478400124.
  date published: 2026-07-08T03:20:19Z
audio: Rigoletto: Act I: Gualtier Maldè... Caro nome
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.543
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.119
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.804
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto: Act III: Sì, vendetta, tremenda vendetta
type: MusicRecording
duration: PT2M5S
duration ms: 125013
explicit: false
by artist: Giuseppe Verdi
by artist: Sir Georg Solti
by artist: Robert Merrill
by artist: Anna Moffo
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: USBC16300227
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:58:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e9459b6fb52607c414951cf87bab8ef4895605e32217e788fc24ab1666c9bf2
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/USBC16300227
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 0x3e9459b6fb52607c414951cf87bab8ef4895605e32217e788fc24ab1666c9bf2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16300227.
  date published: 2026-07-08T03:20:19Z
audio: Rigoletto: Act III: Sì, vendetta, tremenda vendetta
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.299
  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: 0.228
  additional property: Energy
    type: PropertyValue
    value: 0.365
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.29
  additional property: Liveness
    type: PropertyValue
    value: 0.139
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.527
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.844
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

La traviata: Choeur des matadors
type: MusicRecording
duration: PT2M29S
duration ms: 149413
explicit: false
by artist: Giuseppe Verdi
by artist: Les ténors classiques
by artist: Francois Boulanger
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: FRZ051500002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T20:40:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28609d0ae3a9064017f5dfc133235890613445a6e085cd5dee25b625ac3c8a64
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051500002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47Z
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 0x28609d0ae3a9064017f5dfc133235890613445a6e085cd5dee25b625ac3c8a64. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051500002.
  date published: 2026-07-29T21:09:47Z
audio: La traviata: Choeur des matadors
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.956
  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: 0.656
  additional property: Energy
    type: PropertyValue
    value: 0.319
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.802
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.114
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Forza del Destino: Act II: Scene 3: La Vergine degli angeli
type: MusicRecording
duration: PT3M21S
duration ms: 201413
explicit: false
by artist: Giuseppe Verdi
by artist: James Levine
by artist: Leontyne Price
by artist: London Symphony Orchestra
by artist: John Alldis Choir
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: USBC19704074
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:29:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d79c46651aa00976449f7d89a2d387765e4670062c31bfe0019284a8f4c9387
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957025
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957025
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19704074
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T10:59:31Z
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 0x1d79c46651aa00976449f7d89a2d387765e4670062c31bfe0019284a8f4c9387. Chain 2 (Bitcoin): anchored in block 957025 (2026-07-07T10:59:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19704074.
  date published: 2026-07-07T10:59:31Z
audio: La Forza del Destino: Act II: Scene 3: La Vergine degli angeli
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.432
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.198
  additional property: Energy
    type: PropertyValue
    value: 0.107
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.781
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.969
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Laudi alla Vergine Maria
type: MusicRecording
duration: PT5M2S
duration ms: 302413
explicit: false
by artist: Giuseppe Verdi
by artist: The Choir Of Trinity College, Cambridge
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: GBARU9900257
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:39:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25f54bc881a343b3fb8f9fe148eee865622245493acda1f816edd11028d54050
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957032
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957032
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU9900257
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T11:43:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x25f54bc881a343b3fb8f9fe148eee865622245493acda1f816edd11028d54050. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU9900257.
  date published: 2026-07-07T11:43:09Z
audio: Laudi alla Vergine Maria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.159
  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: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.881
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.823
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Messa da Requiem: II. Dies irae: Lacrimosa
type: MusicRecording
duration: PT5M41S
duration ms: 341813
explicit: false
by artist: Giuseppe Verdi
by artist: Nikolaus Harnoncourt
by artist: Wiener Philharmoniker
by artist: Arnold Schoenberg Chor
by artist: Eva Mei
by artist: Bernarda Fink
by artist: Ildebrando D'Arcangelo
by artist: Michael Schade
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: DEE470503222
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T03:13:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd0e60cbd3adadc7a5327268a2bab0ca06eef35fa85b047092e568df2201a78e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960203
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960203
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470503222
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T03:35:13Z
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 0xbd0e60cbd3adadc7a5327268a2bab0ca06eef35fa85b047092e568df2201a78e. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE470503222.
  date published: 2026-07-30T03:35:13Z
audio: Messa da Requiem: II. Dies irae: Lacrimosa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.638
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.135
  additional property: Energy
    type: PropertyValue
    value: 0.205
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.082
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.041
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.789
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Le trouvère: Choeur des bohémiens
type: MusicRecording
duration: PT2M54S
duration ms: 174013
explicit: false
by artist: Giuseppe Verdi
by artist: Choeurs de l'Opéra de Vienne
by artist: Franz Bauer-Theussl
by artist: Wilhelm Loibner
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: FRV627400760
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:17:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9d804845c911c9a5ff5e1119ceed4eb32e739013b1c0bd498baf2991de1a4f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957048
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957048
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV627400760
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:18:56Z
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 0xb9d804845c911c9a5ff5e1119ceed4eb32e739013b1c0bd498baf2991de1a4f3. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV627400760.
  date published: 2026-07-07T14:18:56Z
audio: Le trouvère: Choeur des bohémiens
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.293
  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: 0.516
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.641
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.392
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.29
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto: Scorrendo uniti
type: MusicRecording
duration: PT1M39S
duration ms: 99813
explicit: false
by artist: Giuseppe Verdi
by artist: Choeurs de l'Opéra de Vienne
by artist: Franz Bauer-Theussl
by artist: Wilhelm Loibner
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: FRV627400780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:37:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3432464fcdb77f1d41e9a459d2d6d7af637576aaea1e75c62346760f85fd3df7
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/FRV627400780
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 0x3432464fcdb77f1d41e9a459d2d6d7af637576aaea1e75c62346760f85fd3df7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV627400780.
  date published: 2026-07-08T03:20:19Z
audio: Rigoletto: Scorrendo uniti
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.6
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.426
  additional property: Energy
    type: PropertyValue
    value: 0.373
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.053
  additional property: Liveness
    type: PropertyValue
    value: 0.327
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.818
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.119
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Carlos: "Scène de l'autodafé"
type: MusicRecording
duration: PT3M54S
duration ms: 234013
explicit: false
by artist: Giuseppe Verdi
by artist: Choeurs de l'Opéra de Vienne
by artist: Wilhelm Loibner
by artist: Franz Bauer-Theussl
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: FRV627800630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:48:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb463f01988644dbf556113dc3dd4fa499d54e19193b3cae84c7dfe5e4233f6f2
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/FRV627800630
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 0xb463f01988644dbf556113dc3dd4fa499d54e19193b3cae84c7dfe5e4233f6f2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRV627800630.
  date published: 2026-07-08T03:20:19Z
audio: Don Carlos: "Scène de l'autodafé"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.616
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.232
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.495
  additional property: Liveness
    type: PropertyValue
    value: 0.317
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.235
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.369
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

La force du destin: Ouverture
type: MusicRecording
duration: PT7M42S
duration ms: 462213
explicit: false
by artist: Giuseppe Verdi
by artist: Orchestre D'Harmonie De La Garde Républicaine
by artist: Francois Boulanger
in album: Je n'aime pas Verdi, mais ça j'aime bien !
  type: MusicAlbum
  date published: 2019-05-17
genre: classical
genre: opera
isrc code: FRZ051500015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa57b6de14924bdc98568804d6da2ecd9d4167ee110128b31bd2f6f43cf243457
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960212
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960212
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051500015
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:43:45Z
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 0xa57b6de14924bdc98568804d6da2ecd9d4167ee110128b31bd2f6f43cf243457. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ051500015.
  date published: 2026-07-30T05:43:45Z
audio: La force du destin: Ouverture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.364
  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: 0.155
  additional property: Energy
    type: PropertyValue
    value: 0.105
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.816
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.3
  additional property: Key Name
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  additional property: Mode Name
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111 Years of Deutsche Grammophon
type: MusicAlbum
date published: 2009-01-01
track: 21 Hungarian Dances, WoO 1: Hungarian Dance No. 5 in G Minor. Allegro (Orch. Schmeling)
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139573
  explicit: false
  by artist: Johannes Brahms
  by artist: Wiener Philharmoniker
  by artist: Claudio Abbado
  in album: 111 Years of Deutsche Grammophon
    type: MusicAlbum
    date published: 2009-01-01
  genre: classical
  genre: german-romanticism
  genre: classical-piano
  genre: late-romantic-era
  genre: chamber-music
  genre: orchestral
  isrc code: DEF058230904
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x36ec43578f206d49f9752e84d6355964f2adc93442d3f595f64d9f1e33689d04
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 960229
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960229
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058230904
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T08:30:10Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x36ec43578f206d49f9752e84d6355964f2adc93442d3f595f64d9f1e33689d04. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058230904.
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Evening Bells
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Winterreise, D.911: 24. Der Leiermann
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24 Préludes, Op. 28: No. 24 in D Minor: Allegro appassionato
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Estancia / Danzas del Ballet: II. Danza del trigo - Live At Centro de Acción Social por la Música, Sala Simón Bolivar, Caracas / 2008
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Pavane pour une infante défunte, M. 19 (Version for Orchestra)
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Peer Gynt, Op. 23, Act IV: No. 13, Prelude. Morning Mood
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Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
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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: Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
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Winterreise, D. 911: No. 5, Der Lindenbaum
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by artist: Franz Schubert
by artist: Dietrich Fischer-Dieskau
by artist: Gerald Moore
in album: 111 Years of Deutsche Grammophon
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genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Winterreise, D. 911: No. 5, Der Lindenbaum
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Carmina Burana: I. O fortuna
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duration: PT2M37S
duration ms: 157466
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by artist: Orchester der Deutschen Oper Berlin
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Carmina Burana: I. O fortuna
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24 Preludes, Op. 28: No. 3 in G Major. Vivace
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by artist: Frédéric Chopin
by artist: Rafal Blechacz
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 24 Preludes, Op. 28: No. 3 in G Major. Vivace
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Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
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duration: PT2M48S
duration ms: 168253
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by artist: Johann Sebastian Bach
by artist: Pierre Fournier
in album: 111 Years of Deutsche Grammophon
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
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Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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duration: PT1M27S
duration ms: 87520
explicit: false
by artist: Johann Sebastian Bach
by artist: Jean Soldan
by artist: Lucerne Festival Strings
by artist: Rudolf Baumgartner
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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Messa da Requiem: IV. Sanctus
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duration: PT2M27S
duration ms: 147840
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by artist: Giuseppe Verdi
by artist: RIAS-Symphonie-Orchester
by artist: Ferenc Fricsay
by artist: RIAS Kammerchor
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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: Messa da Requiem: IV. Sanctus
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6 Bagatelles, Op. 126: No. 4 in B Minor. Presto
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explicit: false
by artist: Ludwig van Beethoven
by artist: Wilhelm Kempff
in album: 111 Years of Deutsche Grammophon
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  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 6 Bagatelles, Op. 126: No. 4 in B Minor. Presto
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Requiem, Op. 48: 4. Pie Jesu
type: MusicRecording
duration: PT4M4S
duration ms: 244893
explicit: false
by artist: Gabriel Fauré
by artist: Kathleen Battle
by artist: Timothy Farrell
by artist: Philharmonia Orchestra
by artist: Carlo Maria Giulini
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
isrc code: DEF058600845
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additional property: OTSHash
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058600845
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: Requiem, Op. 48: 4. Pie Jesu
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Symphony No. 88 in G Major, Hob. I:88 "The Letter V": IV. Finale. Allegro con spirito
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duration: PT3M37S
duration ms: 217693
explicit: false
by artist: Joseph Haydn
by artist: Berliner Philharmoniker
by artist: Wilhelm Furtwängler
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
isrc code: DEF055100094
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: Symphony No. 88 in G Major, Hob. I:88 "The Letter V": IV. Finale. Allegro con spirito
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Préludes / Book 1, L. 117: VII. Ce qu'a vu le vent d'ouest
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duration: PT3M42S
duration ms: 222960
explicit: false
by artist: Claude Debussy
by artist: Arturo Benedetti Michelangeli
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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  date published: 2026-07-31T15:20:15Z
audio: Préludes / Book 1, L. 117: VII. Ce qu'a vu le vent d'ouest
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Lucrezia Borgia / Act II: "Il segreto per esser felici"
type: MusicRecording
duration: PT2M40S
duration ms: 160013
explicit: false
by artist: Gaetano Donizetti
by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
by artist: Coro del Teatro Comunale di Bologna
by artist: Paolo Vero
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
genre: opera
isrc code: DEN960802200
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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: Lucrezia Borgia / Act II: "Il segreto per esser felici"
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Carmen, WD 31, Act I: Habanera. L'amour est un oiseau rebelle
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duration: PT4M23S
duration ms: 263613
explicit: false
by artist: Georges Bizet
by artist: Teresa Berganza
by artist: Ambrosian Singers
by artist: London Symphony Orchestra
by artist: Claudio Abbado
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: opera
isrc code: DEF057730104
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  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
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  date published: 2026-07-08T03:20:19Z
audio: Carmen, WD 31, Act I: Habanera. L'amour est un oiseau rebelle
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Candide Overture - Live
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duration: PT4M17S
duration ms: 257320
explicit: false
by artist: Leonard Bernstein
by artist: Los Angeles Philharmonic
in album: 111 Years of Deutsche Grammophon
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  date published: 2009-01-01
genre: classical
genre: orchestra
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 2026-07-31T04:14:58Z
audio: Candide Overture - Live
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    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.852
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.599
  additional property: Liveness
    type: PropertyValue
    value: 0.243
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.48
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.227
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Requiem, K. 626: IIIf. Lacrimosa
type: MusicRecording
duration: PT4M11S
duration ms: 251853
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Karl Böhm
by artist: Wiener Staatsopernchor
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057130003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:07:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x363a1d9cb6a356cf559a000e0719daa1ab05057b04a4cd04d6785ce61d73d71b
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/DEF057130003
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 0x363a1d9cb6a356cf559a000e0719daa1ab05057b04a4cd04d6785ce61d73d71b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057130003.
  date published: 2026-07-08T03:20:19Z
audio: Requiem, K. 626: IIIf. Lacrimosa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.171
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.81
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.148
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pictures at an Exhibition (Orch. Ravel): II. The Old Castle
type: MusicRecording
duration: PT4M32S
duration ms: 272320
explicit: false
by artist: Modest Mussorgsky
by artist: Chicago Symphony Orchestra
by artist: Carlo Maria Giulini
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DEF057600176
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:56:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6daf5e91f587e2c242199564504179cb53f353bcd2ff30b4b48adea4cec5cdaa
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/DEF057600176
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 0x6daf5e91f587e2c242199564504179cb53f353bcd2ff30b4b48adea4cec5cdaa. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057600176.
  date published: 2026-07-08T03:20:19Z
audio: Pictures at an Exhibition (Orch. Ravel): II. The Old Castle
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 143.189
  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: 0.151
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.855
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.633
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

6 Lieder, Op. 17: No. 2, Ständchen
type: MusicRecording
duration: PT2M32S
duration ms: 152360
explicit: false
by artist: Richard Strauss
by artist: Measha Brueggergosman
by artist: Justus Zeyen
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: DEN960900860
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:37:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeedb697b958f730eb0146d10b6e6cf2ff3d5e4f04e2645cf935cec5272695e64
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/DEN960900860
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 0xeedb697b958f730eb0146d10b6e6cf2ff3d5e4f04e2645cf935cec5272695e64. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960900860.
  date published: 2026-07-08T03:20:19Z
audio: 6 Lieder, Op. 17: No. 2, Ständchen
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 102.177
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.28
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.115
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.835
  additional property: Key Name
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    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Well-Tempered Clavier, Book I, BWV 846-869: Prelude and Fugue No. 1 in C Major, BWV 846
type: MusicRecording
duration: PT2M45S
duration ms: 165746
explicit: false
by artist: Johann Sebastian Bach
by artist: Hélène Grimaud
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEN960300350
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:07:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x809331f46e5c1a929ca884913ad3d9a0b85b71fc0738308ba3f1c6cd19df9304
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/DEN960300350
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 0x809331f46e5c1a929ca884913ad3d9a0b85b71fc0738308ba3f1c6cd19df9304. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960300350.
  date published: 2026-07-08T03:20:19Z
audio: The Well-Tempered Clavier, Book I, BWV 846-869: Prelude and Fugue No. 1 in C Major, BWV 846
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.341
  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: 0.302
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.939
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.512
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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The Rite of Spring, K15, Pt. 2: XIV. Sacrificial Dance
type: MusicRecording
duration: PT4M46S
duration ms: 286053
explicit: false
by artist: Igor Stravinsky
by artist: The Cleveland Orchestra
by artist: Pierre Boulez
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
isrc code: DEF059131813
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5ed905ecb8ed22dccf1a00ab2221d074125c8279b6d706b574e3fdd1ca6bd9e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059131813
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00Z
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 0x5ed905ecb8ed22dccf1a00ab2221d074125c8279b6d706b574e3fdd1ca6bd9e2. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059131813.
  date published: 2026-07-31T06:58:00Z
audio: The Rite of Spring, K15, Pt. 2: XIV. Sacrificial Dance
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.989
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.564
  additional property: Energy
    type: PropertyValue
    value: 0.345
  additional property: Speechiness
    type: PropertyValue
    value: 0.147
  additional property: Acousticness
    type: PropertyValue
    value: 0.86
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.788
  additional property: Liveness
    type: PropertyValue
    value: 0.385
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.449
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Canon and Gigue in D Major: I. Canon
type: MusicRecording
duration: PT3M10S
duration ms: 190906
explicit: false
by artist: Johann Pachelbel
by artist: Henk Bouman
by artist: Musica Antiqua Köln
by artist: Reinhard Goebel
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
isrc code: DEF058003351
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:42:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86026ca1ca2619bd417827201df9bb53367ca234cc698006d04678bba2d8d54e
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/DEF058003351
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 0x86026ca1ca2619bd417827201df9bb53367ca234cc698006d04678bba2d8d54e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058003351.
  date published: 2026-07-08T03:20:19Z
audio: Canon and Gigue in D Major: I. Canon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.762
  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: 0.264
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.815
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.282
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.108
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

El Amor Brujo: Canción del amor dolido
type: MusicRecording
duration: PT1M32S
duration ms: 92733
explicit: false
by artist: Manuel de Falla
by artist: Grace Bumbry
by artist: Deutsches Symphonie-Orchester Berlin
by artist: Lorin Maazel
in album: 111 Years of Deutsche Grammophon
  type: MusicAlbum
  date published: 2009-01-01
isrc code: DEF056530603
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:05:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b0c4c98373fa28b87659d2509e4a2876aacf43cd736906749990ec9b2e0b366
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530603
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
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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audio: El Amor Brujo: Canción del amor dolido
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Concerto For Violin, Strings And Harpsichord In G Minor, R. 325: 2. Largo
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Violin Concerto No. 2 in E Major, BWV 1042: III. Allegro assai
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Tosca, Act III: E lucevan le stelle
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Tosca, Act III: E lucevan le stelle
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Prima Donna - The First Ladies Of Opera
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track: Rusalka, Op. 114, B.203 / Act 1: O Silver Moon
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    date published: 2026-07-08T03:20:19Z
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track: Suor Angelica: Senza mamma
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Die größten Tenöre
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track: Werther: Act III: Pourquoi me réveiller?
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 2026-08-01T04:30:37Z
  audio: Werther: Act III: Pourquoi me réveiller?
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track: L'elisir d'amore, Act II: Una furtiva lagrima
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  by artist: Vittorio Grigolo
  by artist: Orchestra del Teatro Regio di Parma
  by artist: Pier Giorgio Morandi
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    type: MusicAlbum
    date published: 2017-03-24
  popularity: 1
  genre: opera
  isrc code: USSM11002209
  additional property: CopyrightID
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: L'elisir d'amore, Act II: Una furtiva lagrima
track: Tosca: E lucevan le stelle
track: Der Freischütz, Op. 77: Nein, länger trag' ich nicht die Qualen - Durch die Wälder, durch die Auen
track: Palazzo dell' Amore: La Luna (Duetto)
track: Turandot, Act III: Nessun dorma

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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x0b3a12fc58304f97d8f66b10fcd5bab552333937fbc7239d8ed81b937894fdcb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11002209.
date published: 2026-07-08T03:22:41Z

L'elisir d'amore, Act II: Una furtiva lagrima
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Key Name
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additional property: Mode Name
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Tosca: E lucevan le stelle
type: MusicRecording
duration: PT3M14S
duration ms: 194866
explicit: false
by artist: Giacomo Puccini
by artist: José Carreras
by artist: Hungarian State Orchestra
by artist: Michael Tilson Thomas
in album: Die größten Tenöre
  type: MusicAlbum
  date published: 2017-03-24
popularity: 1
isrc code: USSM18800604
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae3812ef2206507ce45d4f1b39a3d87221613381530739b619d11fe6eb7bb79. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18800604.
  date published: 2026-07-08T03:20:19Z
audio: Tosca: E lucevan le stelle
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Der Freischütz, Op. 77: Nein, länger trag' ich nicht die Qualen - Durch die Wälder, durch die Auen
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duration: PT6M26S
duration ms: 386920
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by artist: Carl Maria von Weber
by artist: Siegfried Jerusalem
by artist: Munich Radio Orchestra
by artist: Heinz Wallberg
in album: Die größten Tenöre
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  date published: 2017-03-24
popularity: 0
genre: classical
genre: opera
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
  type: DigitalDocument
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  date published: 2026-07-08T03:22:41Z
audio: Der Freischütz, Op. 77: Nein, länger trag' ich nicht die Qualen - Durch die Wälder, durch die Auen
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  additional property: Energy
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Palazzo dell' Amore: La Luna (Duetto)
type: MusicRecording
duration: PT3M45S
duration ms: 225373
explicit: false
by artist: Eberhard Schoener
by artist: Andrea Bocelli
by artist: Helen Schneider
by artist: United Philharmonic Orchestra Budapest
in album: Die größten Tenöre
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popularity: 2
isrc code: DEA819600565
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: Palazzo dell' Amore: La Luna (Duetto)
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Turandot, Act III: Nessun dorma
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duration: PT3M6S
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by artist: Giacomo Puccini
by artist: Luciano Pavarotti
by artist: Emerson Buckley
by artist: Symphony Orchestra Of Emilia Romagna "Arturo Toscanini"
by artist: Orchestra Sinfonica dell'Emilia-Romagna
in album: Die größten Tenöre
  type: MusicAlbum
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popularity: 1
isrc code: USSM18500632
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: 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: 2026-07-08T03:22:41Z
audio: Turandot, Act III: Nessun dorma
  type: AudioObject
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The Best Of Elina Garanca
type: MusicAlbum
date published: 2013-01-01
track: Carmen, WD 31 / Act I: Séguedille et Duo: "Près des remparts de Séville"
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  duration: PT4M36S
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  explicit: false
  by artist: Georges Bizet
  by artist: Elina Garanca
  by artist: Roberto Alagna
  by artist: Orchestra Sinfonica Nazionale Della RAI
  by artist: Karel Mark Chichon
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    type: MusicAlbum
    date published: 2013-01-01
  popularity: 11
  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: 2026-07-02T05:09:12Z
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track: Carmen / Act II: Chanson: "Les tringles des sistres tintaient"
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  by artist: Orchestra Sinfonica Nazionale Della RAI
  by artist: Karel Mark Chichon
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    date published: 2013-01-01
  popularity: 10
  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: 2026-07-02T03:55:08Z
  audio: Carmen / Act II: Chanson: "Les tringles des sistres tintaient"
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track: Carmen, WD 31 / Act I: "L'amour est un oiseau rebelle" (Havanaise)
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  by artist: Georges Bizet
  by artist: Elina Garanca
  by artist: Orchestra Sinfonica Nazionale Della RAI
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  by artist: Coro Filarmonico del Regio di Torino
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    date published: 2013-01-01
  popularity: 15
  genre: classical
  genre: opera
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  subject of: OpenTimestamps Proof of Existence
  audio: Carmen, WD 31 / Act I: "L'amour est un oiseau rebelle" (Havanaise)
track: Lakmé / Act 1: "Dôme épais" - Live
track: Samson et Dalila, Op. 47, R. 288 / Act II: "Mon coeur s'ouvre à ta voix"
track: Les Contes d'Hoffmann / Act II: Barcarolle
track: Bachianas brasileiras No. 5 for Soprano and Cellos: Aria (Cantilena)
track: Las Hijas del Zebedeo: Carceleras
track: Siete canciones populares españolas - Arranged by José Maria Gallardo del Rey: V. Nana
track: La clemenza di Tito, K. 621 / Act I: "Parto, ma tu ben mio"
track: La Favorite / Act 3: Oh! Mon Fernand
track: Adelson e Salvini / Act I: "Dopo l'oscuro nembo"
track: I Capuleti e i Montecchi: Eccomi in lieta vesta / Act 1: Lieto del dolce incarno - La tremenda ultirce spada

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:30:09Z

Carmen, WD 31 / Act I: "L'amour est un oiseau rebelle" (Havanaise)
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Lakmé / Act 1: "Dôme épais" - Live
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duration: PT5M2S
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by artist: Anna Netrebko
by artist: Elina Garanca
by artist: SWR Symphony Orchestra
by artist: Marco Armiliato
in album: The Best Of Elina Garanca
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popularity: 32
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 2026-06-13T12:47:07Z
audio: Lakmé / Act 1: "Dôme épais" - Live
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Samson et Dalila, Op. 47, R. 288 / Act II: "Mon coeur s'ouvre à ta voix"
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duration: PT6M11S
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by artist: Camille Saint-Saëns
by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Yves Abel
in album: The Best Of Elina Garanca
  type: MusicAlbum
  date published: 2013-01-01
popularity: 22
genre: classical
genre: late-romantic-era
genre: french-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 2026-06-13T13:32:09Z
audio: Samson et Dalila, Op. 47, R. 288 / Act II: "Mon coeur s'ouvre à ta voix"
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Les Contes d'Hoffmann / Act II: Barcarolle
type: MusicRecording
duration: PT3M44S
duration ms: 224253
explicit: false
by artist: Jacques Offenbach
by artist: Anna Netrebko
by artist: Elina Garanca
by artist: PKF – Prague Philharmonia
by artist: Emmanuel Villaume
by artist: Prague Philharmonic Choir
in album: The Best Of Elina Garanca
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popularity: 14
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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  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: 2026-07-02T03:55:08Z
audio: Les Contes d'Hoffmann / Act II: Barcarolle
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Bachianas brasileiras No. 5 for Soprano and Cellos: Aria (Cantilena)
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duration: PT3M19S
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by artist: Elina Garanca
by artist: Staatskapelle Dresden
by artist: Fabio Luisi
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popularity: 18
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 2026-06-13T13:32:09Z
audio: Bachianas brasileiras No. 5 for Soprano and Cellos: Aria (Cantilena)
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Las Hijas del Zebedeo: Carceleras
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by artist: Staatskapelle Dresden
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popularity: 11
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Las Hijas del Zebedeo: Carceleras
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Siete canciones populares españolas - Arranged by José Maria Gallardo del Rey: V. Nana
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popularity: 7
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Siete canciones populares españolas - Arranged by José Maria Gallardo del Rey: V. Nana
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La clemenza di Tito, K. 621 / Act I: "Parto, ma tu ben mio"
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by artist: Staatskapelle Dresden
by artist: Sebastian Weigle
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  type: MusicAlbum
  date published: 2013-01-01
popularity: 9
genre: classical
genre: classical-era
genre: classical-piano
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genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T17:48:40Z
audio: La clemenza di Tito, K. 621 / Act I: "Parto, ma tu ben mio"
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La Favorite / Act 3: Oh! Mon Fernand
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duration: PT3M36S
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explicit: false
by artist: Gaetano Donizetti
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by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Yves Abel
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popularity: 7
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: La Favorite / Act 3: Oh! Mon Fernand
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Adelson e Salvini / Act I: "Dopo l'oscuro nembo"
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by artist: Elina Garanca
by artist: Filarmonica del Teatro Comunale di Bologna
by artist: Roberto Abbado
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popularity: 8
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Adelson e Salvini / Act I: "Dopo l'oscuro nembo"
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I Capuleti e i Montecchi: Eccomi in lieta vesta / Act 1: Lieto del dolce incarno - La tremenda ultirce spada
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duration: PT8M54S
duration ms: 534120
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popularity: 5
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: I Capuleti e i Montecchi: Eccomi in lieta vesta / Act 1: Lieto del dolce incarno - La tremenda ultirce spada
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Donizetti: An Introduction
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date published: 2020-06-27
track: L'elisir d'amore: Overture (Preludio)
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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 0x050dfa8677d1727d49ea1c07721f59790941975790400c782f249b0732ebf678. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931001.
    date published: 2026-07-08T03:20:19Z
  audio: L'elisir d'amore: Overture (Preludio)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: La Favorite / Act 3: Oh! Mon Fernand - Excerpt
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216346
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Elina Garanca
  by artist: Filarmonica del Teatro Comunale di Bologna
  by artist: Yves Abel
  in album: Donizetti: An Introduction
    type: MusicAlbum
    date published: 2020-06-27
  popularity: 7
  genre: opera
  isrc code: DEN961201311
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-06-19T09:04:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf0441aeff5573fb266b7b0985f8e6efafbd5402601b4921e5e9555afbcf29dfe
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961201311
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xf0441aeff5573fb266b7b0985f8e6efafbd5402601b4921e5e9555afbcf29dfe. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961201311.
    date published: 2026-07-02T03:30:09Z
  audio: La Favorite / Act 3: Oh! Mon Fernand - Excerpt
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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track: L'elisir d'amore / Act II: "Una furtiva lagrima" (Adapt. for Cello and Orchestra)
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250346
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Camille Thomas
  by artist: Brussels Philharmonic
  by artist: Mathieu Herzog
  in album: Donizetti: An Introduction
    type: MusicAlbum
    date published: 2020-06-27
  popularity: 10
  genre: opera
  isrc code: DEN961903720
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  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: L'elisir d'amore / Act II: "Una furtiva lagrima" (Adapt. for Cello and Orchestra)
track: Don Pasquale / Act 2: "Povero Ernesto!"
track: Una lagrima (Preghiera)
track: L'amor funesto
track: Il sospiro

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x9bbc5015424152e3ed5caaba8b17515b092530210e66990a9ea59324782959e4

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953520

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961903720

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

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 0x9bbc5015424152e3ed5caaba8b17515b092530210e66990a9ea59324782959e4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961903720.
date published: 2026-06-13T13:32:09Z

L'elisir d'amore / Act II: "Una furtiva lagrima" (Adapt. for Cello and Orchestra)
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
  type: PropertyValue
  value: 0.095
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.039
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.139
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
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Don Pasquale / Act 2: "Povero Ernesto!"
type: MusicRecording
duration: PT1M25S
duration ms: 85253
explicit: false
by artist: Gaetano Donizetti
by artist: Ugo Benelli
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Ettore Gracis
in album: Donizetti: An Introduction
  type: MusicAlbum
  date published: 2020-06-27
popularity: 1
genre: opera
isrc code: DEF056431327
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x3b595a0004134da981bfb44a579616cd045735d99c18fb56bbf26a2b7edb9a7a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056431327
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 0x3b595a0004134da981bfb44a579616cd045735d99c18fb56bbf26a2b7edb9a7a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056431327.
  date published: 2026-07-08T03:20:19Z
audio: Don Pasquale / Act 2: "Povero Ernesto!"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.411
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.219
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.838
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Una lagrima (Preghiera)
type: MusicRecording
duration: PT4M11S
duration ms: 251813
explicit: false
by artist: Gaetano Donizetti
by artist: Rolando Villazón
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Marco Armiliato
in album: Donizetti: An Introduction
  type: MusicAlbum
  date published: 2020-06-27
popularity: 3
genre: opera
isrc code: DEN961404400
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:45:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f268b2dc5950fd28e504c090d0c6f4d0d7ce62501f037664224010cd1548871
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961404400
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 0x3f268b2dc5950fd28e504c090d0c6f4d0d7ce62501f037664224010cd1548871. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961404400.
  date published: 2026-07-08T03:20:19Z
audio: Una lagrima (Preghiera)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.592
  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: 0.247
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.027
  additional property: Liveness
    type: PropertyValue
    value: 0.132
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.834
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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L'amor funesto
type: MusicRecording
duration: PT5M35S
duration ms: 335506
explicit: false
by artist: Gaetano Donizetti
by artist: Rolando Villazón
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Marco Armiliato
in album: Donizetti: An Introduction
  type: MusicAlbum
  date published: 2020-06-27
popularity: 1
genre: opera
isrc code: DEN961404390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f3a42117a41d0f86d5c2a51a1b477300df9426e0f7dbe00cdb2e33f4b05348a
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/DEN961404390
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 0x3f3a42117a41d0f86d5c2a51a1b477300df9426e0f7dbe00cdb2e33f4b05348a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961404390.
  date published: 2026-07-31T12:24:41Z
audio: L'amor funesto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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Il sospiro
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duration: PT3M13S
duration ms: 193480
explicit: false
by artist: Gaetano Donizetti
by artist: Rolando Villazón
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Marco Armiliato
in album: Donizetti: An Introduction
  type: MusicAlbum
  date published: 2020-06-27
popularity: 1
genre: opera
isrc code: DEN961404410
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x537458ea0852c1d2378bb50e2d81c6c30097907cfd5de6c8fc4fec1e9c538ac9. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961404410.
  date published: 2026-07-31T05:17:02Z
audio: Il sospiro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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