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genre: opera
description: Gabriel Bacquier (; 17 May 1924 – 13 May 2020) was a French operatic baritone. One of the leading baritones of the 20th century and particularly associated with the French and Italian repertoires, he
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  track: Lakmé / Act 2: Lakmé! Lakmé! C'est toi!
  track: Lakmé / Act 3: Sous le ciel tout étoilé
album: Donizetti: La Favorita
album: Verdi: Otello
album: Verdi: La Forza del Destino - The Sony Opera House
album: Verdi: La Forza Del Destino
album: Les inestimables chroniques du bon géant Gargantua
album: Mozart: Don Giovanni - highlights
album: Mozart: Don Giovanni
album: Meyerbeer: Les Huguenots
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album: Berthomieu: Jardins de Paris (Gardens of Paris)
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album: Milhaud: Le Retour de l'Enfant Prodigue, Septuor à cordes, Aspen-Serenade
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album: Offenbach: La Périchole
album: Les Mousquetaires au Couvent - La Magie de l'Opérette en 38 volumes - Vol. 22/38
album: Varney: Les mousquetaires au couvent (Mono Version)
album: De la melodie a l'operette
album: Offenbach: Les Contes d'Hoffmann - Highlights
album: La troupe de l'Opéra de Paris: Gabriel Bacquier (Live au Théâtre des Champs Elysées)
album: La Fille de Madame Angot - La Magie de l'Opérette en 38 volumes - Vol. 14/38
album: Récital de mélodies
album: Gabriel Bacquier chante Pierre Louki
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album: Cools: Valses de Vienne, opérette en 3 actes, extraits (Mono Version)
album: Cools: Valses de Vienne, extraits - EP (Mono Version)
track: La Damnation de Faust Op. 24 (1996 Digital Remaster): Une puce gentille

Rossini: Guillaume Tell, Act 1: Chœur. "On entend des montagnes" (Chœur, Hedwige, Arnold, Melchthal, Guillaume)
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audio: Rossini: Guillaume Tell, Act 1: Chœur. "On entend des montagnes" (Chœur, Hedwige, Arnold, Melchthal, Guillaume)
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Lakmé / Act 2: Allons, avant que midi sonne
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Lakmé / Act 2: Lakmé! Lakmé! C'est toi!
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Lakmé / Act 3: Sous le ciel tout étoilé
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duration: PT3M34S
duration ms: 214573
explicit: false
by artist: Léo Delibes
by artist: Dame Joan Sutherland
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Richard Bonynge
in album: Delibes: Lakmé - Highlights
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
isrc code: GBF076740430
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/0xe4d0745e375693bbd21c305fec3cf80a52bb4e4d2e076c6c0478bbe3d659979d
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/GBF076740430
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4d0745e375693bbd21c305fec3cf80a52bb4e4d2e076c6c0478bbe3d659979d. 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/GBF076740430.
  date published: 2026-07-08T03:22:41Z
audio: Lakmé / Act 3: Sous le ciel tout étoilé
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Donizetti: La Favorita
type: MusicAlbum
date published: 1978-01-01
track: La Favorita - Italian version - Act 3: Ines! ... Sposo a te, Fernando?
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110426
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Ileana Cotrubas
  by artist: Fiorenza Cossotto
  by artist: Piero de Palma
  by artist: Orchestra del Teatro Comunale di Bologna
  by artist: Richard Bonynge
  in album: Donizetti: La Favorita
    type: MusicAlbum
    date published: 1978-01-01
  genre: opera
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x2c35be41010a3c03374de71977529b8c0d8d46e37483ba11967ba0a9106ad22a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    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/GBF077441227
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c35be41010a3c03374de71977529b8c0d8d46e37483ba11967ba0a9106ad22a. 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/GBF077441227.
    date published: 2026-07-08T03:22:41Z
  audio: La Favorita - Italian version - Act 3: Ines! ... Sposo a te, Fernando?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.235
    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: 0.458
    additional property: Energy
      type: PropertyValue
      value: 0.086
    additional property: Speechiness
      type: PropertyValue
      value: 0.085
    additional property: Acousticness
      type: PropertyValue
      value: 0.976
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.055
    additional property: Loudness (dB)
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track: La Favorita - Italian version - Act 2: Tutta la mia corte per la festa previen!
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177866
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Gabriel Bacquier
  by artist: Fiorenza Cossotto
  by artist: Ileana Cotrubas
  by artist: Orchestra del Teatro Comunale di Bologna
  by artist: Richard Bonynge
  in album: Donizetti: La Favorita
    type: MusicAlbum
    date published: 1978-01-01
  genre: opera
  isrc code: GBF077441215
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xafe36caee574242f299be52d2afd1f76906c37ae4caabecc9908d9379da260de
  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/GBF077441215
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafe36caee574242f299be52d2afd1f76906c37ae4caabecc9908d9379da260de. 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/GBF077441215.
    date published: 2026-07-08T03:20:19Z
  audio: La Favorita - Italian version - Act 2: Tutta la mia corte per la festa previen!
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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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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      value: 0
    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: La Favorita - Italian version - Act 2: In questo suol a lusingar tua cura
  type: MusicRecording
  duration: PT5M17S
  duration ms: 317600
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Gabriel Bacquier
  by artist: Fiorenza Cossotto
  by artist: Orchestra del Teatro Comunale di Bologna
  by artist: Richard Bonynge
  in album: Donizetti: La Favorita
    type: MusicAlbum
    date published: 1978-01-01
  genre: opera
  isrc code: GBF077441216
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: La Favorita - Italian version - Act 2: In questo suol a lusingar tua cura
track: La Favorita - Italian version - Act 3: Sire, io ti deggio ... O ciel! Di quell'alma
track: La Favorita - Italian version - Act 1: Silenzio! Silenzio!
track: La Favorita - Italian version - Act 4: Figlio diletto, ascolta!
track: La Favorita - Italian version - Act 2: Voi tutti che m'udite
track: La Favorita - Italian version - Act 4: Favorita del re!
track: La Favorita - Italian version - Act 1: Fia vero? Lasciarti!
track: La favorita / Act 4: "Spirto gentil, de' sogni miei"
track: La Favorita - Italian version - Act 3: Leonora, ei del suo cor la brama
track: La Favorita - Italian version - Act 4: Figlio, deh, vien!
track: La Favorita - Italian version - Act 4: Fuggiam da queste soglie!
track: La Favorita - Italian version - Act 4: Pietoso al par del Nume
track: La Favorita - Italian version - Act 3: Scritto in cielo è il mio dolor
track: La Favorita - Italian version - Act 4: Vieni, ah vien! Io m'abbandono alla gioia

CopyrightRegisteredAt
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value: 2026-07-07T06:38:28+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb35318801207ddc9dac9f4844a11bf6dc350e952419b818c0e50ec0b7a70b197

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957145

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441216

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

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb35318801207ddc9dac9f4844a11bf6dc350e952419b818c0e50ec0b7a70b197. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441216.
date published: 2026-07-08T08:56:20Z

La Favorita - Italian version - Act 2: In questo suol a lusingar tua cura
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 106.176
additional property: Musical Key
  type: PropertyValue
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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 Favorita - Italian version - Act 3: Sire, io ti deggio ... O ciel! Di quell'alma
type: MusicRecording
duration: PT5M14S
duration ms: 314466
explicit: false
by artist: Gaetano Donizetti
by artist: Luciano Pavarotti
by artist: Fiorenza Cossotto
by artist: Piero de Palma
by artist: Nicolai Ghiaurov
by artist: Gabriel Bacquier
by artist: Coro del Teatro Comunale di Bologna
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441231
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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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/GBF077441231
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27c2fb6898349a69aa628447f3d43a4719dc9983149c2ef284a9b1cb7a054dd4. 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/GBF077441231.
  date published: 2026-07-08T03:22:41Z
audio: La Favorita - Italian version - Act 3: Sire, io ti deggio ... O ciel! Di quell'alma
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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La Favorita - Italian version - Act 1: Silenzio! Silenzio!
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duration: PT2M19S
duration ms: 139400
explicit: false
by artist: Gaetano Donizetti
by artist: Ileana Cotrubas
by artist: Coro del Teatro Comunale di Bologna
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441207
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c72412928571d9581479538dd74dd3423fb2e42b49c6de9dc242a324338267. 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/GBF077441207.
  date published: 2026-07-08T03:22:41Z
audio: La Favorita - Italian version - Act 1: Silenzio! Silenzio!
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  additional property: Tempo (BPM)
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  additional property: Danceability
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  additional property: Instrumentalness
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La Favorita - Italian version - Act 4: Figlio diletto, ascolta!
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duration: PT2M36S
duration ms: 156800
explicit: false
by artist: Gaetano Donizetti
by artist: Nicolai Ghiaurov
by artist: Luciano Pavarotti
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441234
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
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35b89abd7b1bf72e14e2d0b148d546877a43c5df40e8a664d46ad9ad0351097c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441234.
  date published: 2026-07-08T03:53:27Z
audio: La Favorita - Italian version - Act 4: Figlio diletto, ascolta!
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.349
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.752
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.329
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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La Favorita - Italian version - Act 2: Voi tutti che m'udite
type: MusicRecording
duration: PT5M8S
duration ms: 308760
explicit: false
by artist: Gaetano Donizetti
by artist: Nicolai Ghiaurov
by artist: Fiorenza Cossotto
by artist: Gabriel Bacquier
by artist: Piero de Palma
by artist: Ileana Cotrubas
by artist: Coro del Teatro Comunale di Bologna
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:04:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed2474727c67847dd9946ca16a1eed93cd5da34c21a8a929ef54451b40fc2123
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/GBF077441220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed2474727c67847dd9946ca16a1eed93cd5da34c21a8a929ef54451b40fc2123. 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/GBF077441220.
  date published: 2026-07-08T03:20:19Z
audio: La Favorita - Italian version - Act 2: Voi tutti che m'udite
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.337
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.343
  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 Favorita - Italian version - Act 4: Favorita del re!
type: MusicRecording
duration: PT1M13S
duration ms: 73173
explicit: false
by artist: Gaetano Donizetti
by artist: Luciano Pavarotti
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441235
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:14:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbd7e4fb686130d3b347c9a71edb607ebbe139a12424e4ec5c8f97643fa810f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441235
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbd7e4fb686130d3b347c9a71edb607ebbe139a12424e4ec5c8f97643fa810f8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441235.
  date published: 2026-07-08T03:53:27Z
audio: La Favorita - Italian version - Act 4: Favorita del re!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.062
  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: 0.279
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.174
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Favorita - Italian version - Act 1: Fia vero? Lasciarti!
type: MusicRecording
duration: PT4M18S
duration ms: 258266
explicit: false
by artist: Gaetano Donizetti
by artist: Luciano Pavarotti
by artist: Fiorenza Cossotto
by artist: Ileana Cotrubas
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:36:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc881f6e340293964ef7fb990f66477fd5f7d9261dbcf7a9914763bfda9a138c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc881f6e340293964ef7fb990f66477fd5f7d9261dbcf7a9914763bfda9a138c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441210.
  date published: 2026-07-08T03:53:27Z
audio: La Favorita - Italian version - Act 1: Fia vero? Lasciarti!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.96
  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: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.225
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
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    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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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 favorita / Act 4: "Spirto gentil, de' sogni miei"
type: MusicRecording
duration: PT3M27S
duration ms: 207733
explicit: false
by artist: Gaetano Donizetti
by artist: Luciano Pavarotti
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441236
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:54:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e74d10ae8b8291f92cac60c7d5caccae6b91d6aaa5b1b3f041d571ab78813dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441236
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e74d10ae8b8291f92cac60c7d5caccae6b91d6aaa5b1b3f041d571ab78813dd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441236.
  date published: 2026-06-13T17:25:41Z
audio: La favorita / Act 4: "Spirto gentil, de' sogni miei"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.843
  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: 0.205
  additional property: Energy
    type: PropertyValue
    value: 0.193
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  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
    type: PropertyValue
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La Favorita - Italian version - Act 3: Leonora, ei del suo cor la brama
type: MusicRecording
duration: PT1M10S
duration ms: 70133
explicit: false
by artist: Gaetano Donizetti
by artist: Gabriel Bacquier
by artist: Fiorenza Cossotto
by artist: Luciano Pavarotti
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441222
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:47:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7973d889b3da58887911b3c445af2e062fc4241ee31bf95f98eaf83e5d2e01c4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441222
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7973d889b3da58887911b3c445af2e062fc4241ee31bf95f98eaf83e5d2e01c4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441222.
  date published: 2026-07-08T08:56:20Z
audio: La Favorita - Italian version - Act 3: Leonora, ei del suo cor la brama
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.943
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.403
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.342
  additional property: Loudness (dB)
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    value: -21.821
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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La Favorita - Italian version - Act 4: Figlio, deh, vien!
type: MusicRecording
duration: PT1M49S
duration ms: 109760
explicit: false
by artist: Gaetano Donizetti
by artist: Nicolai Ghiaurov
by artist: Luciano Pavarotti
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441237
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:09:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d1523adae154abd047aa3931483a189dcd781acdd273f770333e2a7b846c880
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441237
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1523adae154abd047aa3931483a189dcd781acdd273f770333e2a7b846c880. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GBF077441237.
  date published: 2026-07-08T03:39:04Z
audio: La Favorita - Italian version - Act 4: Figlio, deh, vien!
  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
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -30.673
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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La Favorita - Italian version - Act 4: Fuggiam da queste soglie!
type: MusicRecording
duration: PT5M1S
duration ms: 301426
explicit: false
by artist: Gaetano Donizetti
by artist: Fiorenza Cossotto
by artist: Luciano Pavarotti
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441239
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:56:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2160649a98d6164e94bc6d2c5608178094911cb3bf595fe0ae2ae64d3073738d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441239
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2160649a98d6164e94bc6d2c5608178094911cb3bf595fe0ae2ae64d3073738d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441239.
  date published: 2026-07-08T03:53:27Z
audio: La Favorita - Italian version - Act 4: Fuggiam da queste soglie!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.671
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.361
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.051
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.093
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.363
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Favorita - Italian version - Act 4: Pietoso al par del Nume
type: MusicRecording
duration: PT3M0S
duration ms: 180466
explicit: false
by artist: Gaetano Donizetti
by artist: Fiorenza Cossotto
by artist: Luciano Pavarotti
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:08:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51370332e77a4eb535e3532526ea1c679db9a2b35757a4241b33546ebfed42fd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51370332e77a4eb535e3532526ea1c679db9a2b35757a4241b33546ebfed42fd. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441240.
  date published: 2026-07-08T03:53:27Z
audio: La Favorita - Italian version - Act 4: Pietoso al par del Nume
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.843
  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: 0.34
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.57
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Favorita - Italian version - Act 3: Scritto in cielo è il mio dolor
type: MusicRecording
duration: PT1M54S
duration ms: 114373
explicit: false
by artist: Gaetano Donizetti
by artist: Fiorenza Cossotto
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441226
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:45:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72036703422f3eb524606dc66565b4504b82f9e56ddc4b59e967d511823a7f46
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441226
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72036703422f3eb524606dc66565b4504b82f9e56ddc4b59e967d511823a7f46. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441226.
  date published: 2026-07-08T03:53:27Z
audio: La Favorita - Italian version - Act 3: Scritto in cielo è il mio dolor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.782
  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: 0.452
  additional property: Energy
    type: PropertyValue
    value: 0.271
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.959
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Favorita - Italian version - Act 4: Vieni, ah vien! Io m'abbandono alla gioia
type: MusicRecording
duration: PT4M40S
duration ms: 280226
explicit: false
by artist: Gaetano Donizetti
by artist: Luciano Pavarotti
by artist: Fiorenza Cossotto
by artist: Coro del Teatro Comunale di Bologna
by artist: Orchestra del Teatro Comunale di Bologna
by artist: Richard Bonynge
in album: Donizetti: La Favorita
  type: MusicAlbum
  date published: 1978-01-01
genre: opera
isrc code: GBF077441242
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:10:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c74a45f8b0730a2b0c8bf4d75e882735692888d26e5553a830349bc99e3f24d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441242
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c74a45f8b0730a2b0c8bf4d75e882735692888d26e5553a830349bc99e3f24d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077441242.
  date published: 2026-07-08T08:56:20Z
audio: La Favorita - Italian version - Act 4: Vieni, ah vien! Io m'abbandono alla gioia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.647
  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: 0.301
  additional property: Energy
    type: PropertyValue
    value: 0.211
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.087
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.745
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: Otello
type: MusicAlbum
date published: 1999-01-01

Verdi: La Forza del Destino - The Sony Opera House
type: MusicAlbum
date published: 1977
track: La Forza del Destino: Buona notte, mia figlia
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149960
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Kurt Moll
  by artist: Leontyne Price
  by artist: James Levine
  in album: Verdi: La Forza del Destino - The Sony Opera House
    type: MusicAlbum
    date published: 1977
  genre: classical
  genre: opera
  isrc code: USBC17600196
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:30:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x44a55f5cd695997e0a4dcefd6607ebdcebc20dd8cc72fabc879edd6ec917256d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17600196
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44a55f5cd695997e0a4dcefd6607ebdcebc20dd8cc72fabc879edd6ec917256d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17600196.
    date published: 2026-07-08T08:56:20Z
  audio: La Forza del Destino: Buona notte, mia figlia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.323
    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: 0.213
    additional property: Energy
      type: PropertyValue
      value: 0.074
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.051
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.099
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.499
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Forza del Destino: Temea restasse
  type: MusicRecording
  duration: PT1M29S
  duration ms: 89133
  explicit: false
  by artist: Giuseppe Verdi
  by artist: James Levine
  in album: Verdi: La Forza del Destino - The Sony Opera House
    type: MusicAlbum
    date published: 1977
  genre: classical
  genre: opera
  isrc code: USBC17600197
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:11:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0f7ccf7cd6be768e002aea243ef2db3b97bd431c81d5126127b1a0838b78c3e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17600197
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f7ccf7cd6be768e002aea243ef2db3b97bd431c81d5126127b1a0838b78c3e9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17600197.
    date published: 2026-07-08T03:53:27Z
  audio: La Forza del Destino: Temea restasse
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.819
    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: 0.419
    additional property: Energy
      type: PropertyValue
      value: 0.078
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.196
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.091
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.024
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Forza del Destino: Dimani si partirà
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254266
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Leontyne Price
  by artist: Plácido Domingo
  by artist: Gillian Knight
  by artist: James Levine
  in album: Verdi: La Forza del Destino - The Sony Opera House
    type: MusicAlbum
    date published: 1977
  genre: classical
  genre: opera
  isrc code: USBC17600201
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T11:31:42+00:00
  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: La Forza del Destino: Dimani si partirà
track: La Forza del Destino: Madre, Madre, pietosa Vergine

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xe9b1437e73d404ec57eefa06dcf81936c380bce03746faf816d00e061668c585

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17600201

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

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9b1437e73d404ec57eefa06dcf81936c380bce03746faf816d00e061668c585. 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/USBC17600201.
date published: 2026-07-08T03:20:19Z

La Forza del Destino: Dimani si partirà
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.356
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: 0.312
additional property: Energy
  type: PropertyValue
  value: 0.172
additional property: Speechiness
  type: PropertyValue
  value: 0.054
additional property: Acousticness
  type: PropertyValue
  value: 0.984
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.725
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.204
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.831
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
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La Forza del Destino: Madre, Madre, pietosa Vergine
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by artist: Leontyne Price
by artist: James Levine
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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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1317d53b04255e79183d546e537552f4df4784fec055e9956c9bd6865d57ca51. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17600211.
  date published: 2026-07-08T03:53:27Z
audio: La Forza del Destino: Madre, Madre, pietosa Vergine
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Verdi: La Forza Del Destino
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Les inestimables chroniques du bon géant Gargantua
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Mozart: Don Giovanni - highlights
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  by artist: Dame Joan Sutherland
  by artist: Josephte Clement
  by artist: Huguette Tourangeau
  by artist: Kiri Te Kanawa
  by artist: Ambrosian Opera Chorus
  by artist: New Philharmonia Orchestra
  by artist: Richard Bonynge
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: Les Huguenots / Act 1: De ces lieux enchanteurs
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  by artist: John Wakefield
  by artist: Dominic Cossa
  by artist: Joseph Ward
  by artist: John Noble
  by artist: Glynne Thomas
  by artist: Ambrosian Opera Chorus
  by artist: New Philharmonia Orchestra
  by artist: Richard Bonynge
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    date published: 1970-01-01
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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  subject of: OpenTimestamps Proof of Existence
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track: Les Huguenots / Act 2: Par l'honneur, par le nom
track: Les Huguenots / Act 2: Et maintenant je dois offrir
track: Les Huguenots / Act 5: Par le fer et par l'incendie

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

Les Huguenots / Act 1: Non loin des vieiles tours...Plus blanche que la
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Les Huguenots / Act 2: Par l'honneur, par le nom
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by artist: Dominic Cossa
by artist: Nicola Ghiuselev
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by artist: Kiri Te Kanawa
by artist: Huguette Tourangeau
by artist: Ambrosian Opera Chorus
by artist: New Philharmonia Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T20:41:57Z
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Les Huguenots / Act 2: Et maintenant je dois offrir
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Les Huguenots / Act 5: Par le fer et par l'incendie
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by artist: Ambrosian Opera Chorus
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f95facc9eba33e2719f0e02254dfd243fd05e5099006aa87a987dea5e227fe6. 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/GBF076940847.
  date published: 2026-07-08T03:20:19Z
audio: Les Huguenots / Act 5: Par le fer et par l'incendie
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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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L'Art de Gabriel Bacquier
type: MusicAlbum
date published: 2012-01-01

Berthomieu: Jardins de Paris (Gardens of Paris)
type: MusicAlbum
date published: 2013-09-24

Ravel: Mélodies
type: MusicAlbum
date published: 1984-01-01
track: Ravel: Shéhérazade, M. 41: No. 1, Asie
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  by artist: Michel Plasson
  by artist: Orchestre Du Capitole De Toulouse
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    date published: 1984-01-01
  genre: classical
  genre: impressionism
  genre: neoclassicism
  genre: post-romantic-era
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118100950
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8529d2fe111106324be4f4db578816dd7201ea3db82f01315ebf92165c8bb68f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118100950.
    date published: 2026-07-08T03:53:27Z
  audio: Ravel: Shéhérazade, M. 41: No. 1, Asie
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Loudness (dB)
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  by artist: Maurice Ravel
  by artist: Teresa Berganza
  by artist: Dalton Baldwin
  in album: Ravel: Mélodies
    type: MusicAlbum
    date published: 1984-01-01
  genre: classical
  genre: impressionism
  genre: neoclassicism
  genre: post-romantic-era
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82417316281f6baa83236ee924ee7bb82c50ef0128f8ad5f8a05f92305fe647b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118200430.
    date published: 2026-07-08T08:56:20Z
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    additional property: Tempo (BPM)
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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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  duration: PT4M39S
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  explicit: false
  by artist: Maurice Ravel
  by artist: Gabriel Bacquier
  by artist: Dalton Baldwin
  in album: Ravel: Mélodies
    type: MusicAlbum
    date published: 1984-01-01
  genre: classical
  genre: impressionism
  genre: neoclassicism
  genre: post-romantic-era
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  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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track: Ravel: Histoires naturelles, M. 50: No. 2, Le grillon
track: Ravel: 5 Mélodies populaires grecques: No. 2, Là-bas, vers l'église, M. A 10
track: Ravel: Ballade de la reine morte d'aimer, M. 4
track: Ravel: Sainte, M. 9
track: Ravel: 2 Mélodies hébraïques, M. A 22: No. 1, Kaddish
track: Ravel: 3 Poèmes de Stéphane Mallarmé, M. 64: No. 2, Placet futile

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118100990

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

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b16f88e7bb409b51ddcd594b4ccadbd29fb61080a99fd542b0e55367f75ce4f. 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/FRZ118100990.
date published: 2026-07-08T03:22:41Z

Ravel: Histoires naturelles, M. 50: No. 1, Le paon
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Ravel: Histoires naturelles, M. 50: No. 2, Le grillon
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duration: PT3M6S
duration ms: 186933
explicit: false
by artist: Maurice Ravel
by artist: Gabriel Bacquier
by artist: Dalton Baldwin
in album: Ravel: Mélodies
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  date published: 1984-01-01
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Ravel: Histoires naturelles, M. 50: No. 2, Le grillon
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Ravel: 5 Mélodies populaires grecques: No. 2, Là-bas, vers l'église, M. A 10
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duration: PT1M34S
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by artist: Maurice Ravel
by artist: Mady Mesplé
by artist: Dalton Baldwin
in album: Ravel: Mélodies
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genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e00df6070735bfca906f301ced83abcf441a01f6dce01fcbfc3fd6f9f6d0cc. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118301030.
  date published: 2026-07-08T08:56:20Z
audio: Ravel: 5 Mélodies populaires grecques: No. 2, Là-bas, vers l'église, M. A 10
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Ravel: Ballade de la reine morte d'aimer, M. 4
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duration: PT4M38S
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by artist: Maurice Ravel
by artist: Mady Mesplé
by artist: Dalton Baldwin
in album: Ravel: Mélodies
  type: MusicAlbum
  date published: 1984-01-01
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:22:41Z
audio: Ravel: Ballade de la reine morte d'aimer, M. 4
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Ravel: Sainte, M. 9
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duration: PT2M19S
duration ms: 139840
explicit: false
by artist: Maurice Ravel
by artist: José van Dam
by artist: Dalton Baldwin
in album: Ravel: Mélodies
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genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Ravel: Sainte, M. 9
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Ravel: 2 Mélodies hébraïques, M. A 22: No. 1, Kaddish
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duration: PT4M53S
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by artist: José van Dam
by artist: Dalton Baldwin
in album: Ravel: Mélodies
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genre: classical
genre: impressionism
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Ravel: 2 Mélodies hébraïques, M. A 22: No. 1, Kaddish
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Ravel: 3 Poèmes de Stéphane Mallarmé, M. 64: No. 2, Placet futile
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duration: PT4M37S
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by artist: Maurice Ravel
by artist: Felicity Lott
by artist: Orchestre de Paris
by artist: Michel Plasson
in album: Ravel: Mélodies
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genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Ravel: 3 Poèmes de Stéphane Mallarmé, M. 64: No. 2, Placet futile
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A Season of Music: Offenbach
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track: Harmonies des bois, Op. 76: II. Jacqueline’s Tears (Arr. Cello and Orchestra) - Live
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  by artist: Sheku Kanneh-Mason
  by artist: City Of Birmingham Symphony Orchestra
  by artist: Mirga Gražinytė-Tyla
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T14:50:41Z
  audio: Harmonies des bois, Op. 76: II. Jacqueline’s Tears (Arr. Cello and Orchestra) - Live
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track: Overture La Périchole
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  by artist: Philharmonia Orchestra
  by artist: Sir Neville Marriner
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Un mari à la porte: Valse Tyrolienne
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  subject of: OpenTimestamps Proof of Existence
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track: Les Contes d'Hoffmann / Act 2: "Les oiseaux dans la charmille"
track: Overture La Grande-Duchesse de Gerolstein
track: La belle Hélène / Act 1: Au mont Ida...Le jugement de Paris
track: Overture Barbe-Bleue
track: Orpheus in the Underworld (Orphée aux enfers) - Ballet pastoral: 3. Valse
track: Overture Mr. et Mme. Denis
track: Barcarolle
track: Overture La Vie parisienne
track: La Périchole - operetta / Act 1: O mon cher amant, je te jure...Ah! quel dîner
track: Les Contes d'Hoffmann / Act 3: Intermède-Entr'acte (Barcarolle)
track: Le Papillon / Prelude and Act 1: Scene 2, Valse des Rayons
track: Le papillon

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x166aab99f77b95076897de6225fafe5b638894a554ff1ef0f0c56bbe0aa27461. 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/GBF079340301.
date published: 2026-07-08T03:22:41Z

Un mari à la porte: Valse Tyrolienne
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Les Contes d'Hoffmann / Act 2: "Les oiseaux dans la charmille"
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae0fd288841bf951bc3717d9636f1e99124cc0ba5dee4db1a9b35a4e975868b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0340110.
  date published: 2026-07-08T03:53:27Z
audio: Les Contes d'Hoffmann / Act 2: "Les oiseaux dans la charmille"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.264
  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: 0.443
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.718
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Overture La Grande-Duchesse de Gerolstein
type: MusicRecording
duration: PT4M9S
duration ms: 249000
explicit: false
by artist: Jacques Offenbach
by artist: Philharmonia Orchestra
by artist: Sir Neville Marriner
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA507911304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:20:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x48e8f47d94754ad90611b5984b83143bf1086b9c7e8fa117ca967cd344e37634
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507911304
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48e8f47d94754ad90611b5984b83143bf1086b9c7e8fa117ca967cd344e37634. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507911304.
  date published: 2026-07-08T08:56:20Z
audio: Overture La Grande-Duchesse de Gerolstein
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.107
  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: 0.297
  additional property: Energy
    type: PropertyValue
    value: 0.168
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.894
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.883
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.218
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.166
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La belle Hélène / Act 1: Au mont Ida...Le jugement de Paris
type: MusicRecording
duration: PT3M50S
duration ms: 230146
explicit: false
by artist: Jacques Offenbach
by artist: Joseph Calleja
by artist: Academy of St. Martin in the Fields
by artist: Carlo Rizzi
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBBBA0541579
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:44:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf3d65dd7fb6e195286e9e9669162059e5f054b2df75e6364ea9d2c261b68a23d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0541579
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3d65dd7fb6e195286e9e9669162059e5f054b2df75e6364ea9d2c261b68a23d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0541579.
  date published: 2026-07-08T03:53:27Z
audio: La belle Hélène / Act 1: Au mont Ida...Le jugement de Paris
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.197
  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: 0.413
  additional property: Energy
    type: PropertyValue
    value: 0.155
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.409
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.517
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Overture Barbe-Bleue
type: MusicRecording
duration: PT3M12S
duration ms: 192333
explicit: false
by artist: Jacques Offenbach
by artist: Philharmonia Orchestra
by artist: Sir Neville Marriner
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA507911307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:28:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x999158d8269d16ccf2932cb73def491e7ab8c734d835b36fe650065d815a7502
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507911307
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x999158d8269d16ccf2932cb73def491e7ab8c734d835b36fe650065d815a7502. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507911307.
  date published: 2026-07-08T03:53:27Z
audio: Overture Barbe-Bleue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.043
  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: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.836
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.23
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.54
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Orpheus in the Underworld (Orphée aux enfers) - Ballet pastoral: 3. Valse
type: MusicRecording
duration: PT1M11S
duration ms: 71493
explicit: false
by artist: Jacques Offenbach
by artist: Philharmonia Orchestra
by artist: Antonio de Almeida
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508644514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:45:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x278b23b9a1158d71418670762e9074bda4b6115276889a86323567bf15451752
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/NLA508644514
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x278b23b9a1158d71418670762e9074bda4b6115276889a86323567bf15451752. 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/NLA508644514.
  date published: 2026-07-08T03:22:41Z
audio: Orpheus in the Underworld (Orphée aux enfers) - Ballet pastoral: 3. Valse
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.593
  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: 0.266
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.917
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.924
  additional property: Liveness
    type: PropertyValue
    value: 0.558
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.321
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.04
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Overture Mr. et Mme. Denis
type: MusicRecording
duration: PT7M8S
duration ms: 428000
explicit: false
by artist: Jacques Offenbach
by artist: Philharmonia Orchestra
by artist: Antonio de Almeida
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA508644510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:31:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb2de4e44667f7ba7e70b144e942daae377843929b10ac406d33a6300f0480bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508644510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb2de4e44667f7ba7e70b144e942daae377843929b10ac406d33a6300f0480bd. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508644510.
  date published: 2026-07-08T08:56:20Z
audio: Overture Mr. et Mme. Denis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.573
  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: 0.264
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.61
  additional property: Liveness
    type: PropertyValue
    value: 0.028
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.114
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.571
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Barcarolle
type: MusicRecording
duration: PT3M43S
duration ms: 223466
explicit: false
by artist: Jacques Offenbach
by artist: Anna Netrebko
by artist: Elina Garanca
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: DEUM70807337
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:46:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a32c4bd8431e0dab831e744bb56081c37e91c92bb711534b4ee7cc6c0ae0405
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/DEUM70807337
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a32c4bd8431e0dab831e744bb56081c37e91c92bb711534b4ee7cc6c0ae0405. 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/DEUM70807337.
  date published: 2026-06-13T12:47:07Z
audio: Barcarolle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.734
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.155
  additional property: Energy
    type: PropertyValue
    value: 0.083
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.279
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.041
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.511
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Overture La Vie parisienne
type: MusicRecording
duration: PT5M0S
duration ms: 300000
explicit: false
by artist: Jacques Offenbach
by artist: Philharmonia Orchestra
by artist: Sir Neville Marriner
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: NLA507911308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:08:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f348169667b3700563d0ab2ffd69c85934c3d00203b4e43050543348cf253b8
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/NLA507911308
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f348169667b3700563d0ab2ffd69c85934c3d00203b4e43050543348cf253b8. 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/NLA507911308.
  date published: 2026-07-08T03:20:19Z
audio: Overture La Vie parisienne
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.236
  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: 0.396
  additional property: Energy
    type: PropertyValue
    value: 0.285
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.887
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.903
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.255
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.417
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Périchole - operetta / Act 1: O mon cher amant, je te jure...Ah! quel dîner
type: MusicRecording
duration: PT7M5S
duration ms: 425693
explicit: false
by artist: Jacques Offenbach
by artist: Dame Joan Sutherland
by artist: Ambrosian Opera Chorus
by artist: New Philharmonia Orchestra
by artist: Richard Bonynge
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF076640801
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:48:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68e18e7e4a5dd332579f49ff755c0a60592741b68694f3c7adf378e4f87288fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076640801
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e18e7e4a5dd332579f49ff755c0a60592741b68694f3c7adf378e4f87288fa. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076640801.
  date published: 2026-07-08T03:53:27Z
audio: La Périchole - operetta / Act 1: O mon cher amant, je te jure...Ah! quel dîner
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.621
  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: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.117
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.454
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Contes d'Hoffmann / Act 3: Intermède-Entr'acte (Barcarolle)
type: MusicRecording
duration: PT3M59S
duration ms: 239400
explicit: false
by artist: Jacques Offenbach
by artist: Orchestre de la Suisse Romande
by artist: Richard Bonynge
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF077240030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:23:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fabdc73188594bde25ab2c808caf3098d6ff7226d824883054c061ae16251d6
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/GBF077240030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fabdc73188594bde25ab2c808caf3098d6ff7226d824883054c061ae16251d6. 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/GBF077240030.
  date published: 2026-07-08T03:20:19Z
audio: Les Contes d'Hoffmann / Act 3: Intermède-Entr'acte (Barcarolle)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.704
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.14
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.238
  additional property: Liveness
    type: PropertyValue
    value: 0.342
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.073
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.792
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le Papillon / Prelude and Act 1: Scene 2, Valse des Rayons
type: MusicRecording
duration: PT4M33S
duration ms: 273000
explicit: false
by artist: Jacques Offenbach
by artist: London Symphony Orchestra
by artist: Richard Bonynge
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF077240404
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:23:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a3f358ad30b258ed62f6f82098fcf17ba573b90194d12c5c7f2f90ba6065ed6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240404
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a3f358ad30b258ed62f6f82098fcf17ba573b90194d12c5c7f2f90ba6065ed6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240404.
  date published: 2026-07-08T08:56:20Z
audio: Le Papillon / Prelude and Act 1: Scene 2, Valse des Rayons
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.497
  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: 0.226
  additional property: Energy
    type: PropertyValue
    value: 0.273
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.851
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.817
  additional property: Liveness
    type: PropertyValue
    value: 0.053
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.332
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.586
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le papillon
type: MusicRecording
duration: PT13M23S
duration ms: 803413
explicit: false
by artist: Jacques Offenbach
by artist: English Chamber Orchestra
by artist: Richard Bonynge
in album: A Season of Music: Offenbach
  type: MusicAlbum
  date published: 2022-09-22
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF078842103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:39:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x375e02ae8dcab283028bc69c5739b2e4df54cd945aa976fe624380444de4c35a
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/GBF078842103
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x375e02ae8dcab283028bc69c5739b2e4df54cd945aa976fe624380444de4c35a. 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/GBF078842103.
  date published: 2026-07-08T03:22:41Z
audio: Le papillon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.409
  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: 0.297
  additional property: Energy
    type: PropertyValue
    value: 0.265
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.855
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.786
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.165
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Delibes: Lakmé
type: MusicAlbum
date published: 1968-01-01
track: Lakmé / Act 2: La rage me dévore
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221160
  explicit: false
  by artist: Léo Delibes
  by artist: Gabriel Bacquier
  by artist: Dame Joan Sutherland
  by artist: Alain Vanzo
  by artist: Claude Cales
  by artist: Monte Carlo Opera Choir
  by artist: Monte-Carlo Philharmonic Orchestra
  by artist: Richard Bonynge
  in album: Delibes: Lakmé
    type: MusicAlbum
    date published: 1968-01-01
  genre: classical
  isrc code: GBF076740422
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:59:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x390ccfd72aada320915d1e9aa433aa9ea9a70fc4a3e7af14ea08c8536378ba03
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740422
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x390ccfd72aada320915d1e9aa433aa9ea9a70fc4a3e7af14ea08c8536378ba03. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740422.
    date published: 2026-07-08T08:56:20Z
  audio: Lakmé / Act 2: La rage me dévore
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.8
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.282
    additional property: Energy
      type: PropertyValue
      value: 0.114
    additional property: Speechiness
      type: PropertyValue
      value: 0.071
    additional property: Acousticness
      type: PropertyValue
      value: 0.948
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.146
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.058
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.842
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Lakmé / Act 1: Lakmé, c'est toi qui nous protèges
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188933
  explicit: false
  by artist: Léo Delibes
  by artist: Gabriel Bacquier
  by artist: Dame Joan Sutherland
  by artist: Emile Belcourt
  by artist: Jane Berbié
  by artist: Monte-Carlo Philharmonic Orchestra
  by artist: Richard Bonynge
  in album: Delibes: Lakmé
    type: MusicAlbum
    date published: 1968-01-01
  genre: classical
  isrc code: GBF076740404
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T11:18:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x00a0301b687bb32829688098d459b56fc2f906c5c17970ef66c80529f6d712c1
  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/GBF076740404
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a0301b687bb32829688098d459b56fc2f906c5c17970ef66c80529f6d712c1. 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/GBF076740404.
    date published: 2026-07-08T03:20:19Z
  audio: Lakmé / Act 1: Lakmé, c'est toi qui nous protèges
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.745
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.263
    additional property: Energy
      type: PropertyValue
      value: 0.069
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.98
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.013
    additional property: Liveness
      type: PropertyValue
      value: 0.124
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.076
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.751
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Lakmé / Act 1: "Viens, Mallika, ... Dôme épais"
  type: MusicRecording
  duration: PT5M58S
  duration ms: 358733
  explicit: false
  by artist: Léo Delibes
  by artist: Dame Joan Sutherland
  by artist: Jane Berbié
  by artist: Monte-Carlo Philharmonic Orchestra
  by artist: Richard Bonynge
  in album: Delibes: Lakmé
    type: MusicAlbum
    date published: 1968-01-01
  genre: classical
  isrc code: GBF076710340
  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: Lakmé / Act 1: "Viens, Mallika, ... Dôme épais"
track: Lakmé / Act 1: Miss Rose, Miss Ellen, respectez les clôtures
track: Lakmé / Act 2: O Dourga, toi qui renais
track: Lakmé / Act 1: Leur vertu si bizarre manque d'apparat
track: Lakmé / Act 1: Les fleurs me paraissent ... Pourquoi dans les grands
track: Lakmé / Act 2: Allons, avant que midi sonne
track: Lakmé / Act 3: C'est lui! C'est lui!

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-07T01:13:51+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x614bb3f61bcd9ffda9aab7f2b2217ef1ace9d926709763e6d36d0792004c647e

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953528

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076710340

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x614bb3f61bcd9ffda9aab7f2b2217ef1ace9d926709763e6d36d0792004c647e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076710340.
date published: 2026-06-13T15:41:10Z

Lakmé / Act 1: "Viens, Mallika, ... Dôme épais"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 106.175
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 6
additional property: Danceability
  type: PropertyValue
  value: 0.223
additional property: Energy
  type: PropertyValue
  value: 0.043
additional property: Speechiness
  type: PropertyValue
  value: 0.047
additional property: Acousticness
  type: PropertyValue
  value: 0.975
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.318
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.055
additional property: Loudness (dB)
  type: PropertyValue
  value: -26.97
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

Lakmé / Act 1: Miss Rose, Miss Ellen, respectez les clôtures
type: MusicRecording
duration: PT2M10S
duration ms: 130466
explicit: false
by artist: Léo Delibes
by artist: Monica Sinclair
by artist: Josephte Clement
by artist: Gwenyth Annear
by artist: Alain Vanzo
by artist: Claude Cales
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Richard Bonynge
in album: Delibes: Lakmé
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
isrc code: GBF076740406
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:06:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcadc1105abdf254006ba841653b99b19b5ff77b2de45803d02ee867e80ce369f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740406
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcadc1105abdf254006ba841653b99b19b5ff77b2de45803d02ee867e80ce369f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740406.
  date published: 2026-07-08T03:53:27Z
audio: Lakmé / Act 1: Miss Rose, Miss Ellen, respectez les clôtures
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.301
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.141
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.251
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.285
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.534
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lakmé / Act 2: O Dourga, toi qui renais
type: MusicRecording
duration: PT2M4S
duration ms: 124706
explicit: false
by artist: Léo Delibes
by artist: Gwenyth Annear
by artist: Monte Carlo Opera Choir
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Richard Bonynge
in album: Delibes: Lakmé
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
isrc code: GBF076740427
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:41:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe816b5d0e697e253dd4f848cc4f0d1d0c19154e7dfd3b30f7c3cc665e2ef32d
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/GBF076740427
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe816b5d0e697e253dd4f848cc4f0d1d0c19154e7dfd3b30f7c3cc665e2ef32d. 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/GBF076740427.
  date published: 2026-07-08T03:22:41Z
audio: Lakmé / Act 2: O Dourga, toi qui renais
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.609
  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: 0.272
  additional property: Energy
    type: PropertyValue
    value: 0.244
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.531
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.451
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lakmé / Act 1: Leur vertu si bizarre manque d'apparat
type: MusicRecording
duration: PT4M46S
duration ms: 286893
explicit: false
by artist: Léo Delibes
by artist: Claude Cales
by artist: Josephte Clement
by artist: Gwenyth Annear
by artist: Monica Sinclair
by artist: Alain Vanzo
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Richard Bonynge
in album: Delibes: Lakmé
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
isrc code: GBF076740408
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:37:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd213f5068915be26a58a5e78ae2634defc9fc900da5d19f24c3cac612fd21c3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740408
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd213f5068915be26a58a5e78ae2634defc9fc900da5d19f24c3cac612fd21c3f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740408.
  date published: 2026-07-08T03:53:27Z
audio: Lakmé / Act 1: Leur vertu si bizarre manque d'apparat
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.967
  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: 0.357
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.207
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.467
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lakmé / Act 1: Les fleurs me paraissent ... Pourquoi dans les grands
type: MusicRecording
duration: PT4M42S
duration ms: 282400
explicit: false
by artist: Léo Delibes
by artist: Dame Joan Sutherland
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Richard Bonynge
in album: Delibes: Lakmé
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
isrc code: GBF076711142
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:01:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2321cb2504d488427df41f1db5a88645ae85f7ed1fde4cf71a67194521841c3
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/GBF076711142
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2321cb2504d488427df41f1db5a88645ae85f7ed1fde4cf71a67194521841c3. 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/GBF076711142.
  date published: 2026-07-08T03:20:19Z
audio: Lakmé / Act 1: Les fleurs me paraissent ... Pourquoi dans les grands
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.298
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.242
  additional property: Energy
    type: PropertyValue
    value: 0.044
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.262
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lakmé / Act 2: Allons, avant que midi sonne
type: MusicRecording
duration: PT4M49S
duration ms: 289960
explicit: false
by artist: Léo Delibes
by artist: Josephte Clement
by artist: Monica Sinclair
by artist: Claude Cales
by artist: Monte Carlo Opera Choir
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Richard Bonynge
in album: Delibes: Lakmé
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
isrc code: GBF076740415
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:09:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x380575cf9b4e32308486c91702452c8c1390191435f33c87124f4dc83b0766d7
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/GBF076740415
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380575cf9b4e32308486c91702452c8c1390191435f33c87124f4dc83b0766d7. 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/GBF076740415.
  date published: 2026-07-08T03:20:19Z
audio: Lakmé / Act 2: Allons, avant que midi sonne
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.335
  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: 0.394
  additional property: Energy
    type: PropertyValue
    value: 0.433
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.525
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.398
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lakmé / Act 3: C'est lui! C'est lui!
type: MusicRecording
duration: PT3M47S
duration ms: 227200
explicit: false
by artist: Léo Delibes
by artist: Gabriel Bacquier
by artist: Dame Joan Sutherland
by artist: Alain Vanzo
by artist: Monte-Carlo Philharmonic Orchestra
by artist: Richard Bonynge
in album: Delibes: Lakmé
  type: MusicAlbum
  date published: 1968-01-01
genre: classical
isrc code: GBF076740436
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:43:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x437b0cf465ac20e1f84909ac88fa0b135e5d0a429cfe113cbfbc23304d70964a
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/GBF076740436
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Grands airs d’opéra. Tosca, Faust, Werther, Manon, Don Juan, Otello
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Chabrier: L'étoile, Act III: Couplets et terzetto. "Un amoureux, Princesse" (Aloès, Laoula, Lazuli)

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Chabrier: L'étoile, Act I: Chanson. "Du monde ! De ma main, cher camarade" (Ouf, Patacha, Zalzal)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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Milhaud: Le Retour de l'Enfant Prodigue, Septuor à cordes, Aspen-Serenade
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Massenet: La Navarraise
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    date published: 2026-07-08T08:56:20Z
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  genre: late-romantic-era
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: Offenbach: La Périchole, Act 1: Complainte de l'Espagnol et de la jeune Indienne. "Le conquérant dit à la jeune Indienne" (La Périchole, Piquillo)
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track: Offenbach: La Périchole, Act 2: Cancan-couplets. "On vante partout son sourire" (Manuelita, Frasquinella, Piquillo, Chœur)
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  by artist: Michel Plasson
  by artist: Choeur Du Capitole De Toulouse
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  by artist: Michele Command
  by artist: Pierrette Delange
  by artist: Orchestre Du Capitole De Toulouse
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  subject of: OpenTimestamps Proof of Existence
  audio: Offenbach: La Périchole, Act 2: Cancan-couplets. "On vante partout son sourire" (Manuelita, Frasquinella, Piquillo, Chœur)
track: Offenbach: La Périchole, Act 2: Chœur des courtisans. "Quel marché de bassesse !" (Chœur, Piquillo, Panatellas, Don Pedro)
track: Offenbach: La Périchole, Act 3: Trio. "Je suis le joli geôlier" - Dialogue. "Savez-vous ce que c'est que ça ?" (Don Andrès, Piquillo, La Périchole)
track: Offenbach: La Périchole, Act 3: Trio. "Roi pas plus haut qu'une botte !" (Piquillo, Don Andrès, La Périchole)
track: Offenbach: La Périchole, Act 3: Dialogue. "Tais-toi !" (La Périchole, Piquillo, Le Vieux Prisonnier)
track: Offenbach: La Périchole, Act 3: Dialogue. "Que se passe-t-il donc ?" (Mastrilla, Berginella, Guadalena, Piquillo)

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Offenbach: La Périchole
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
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date published: 2026-07-08T08:56:20Z

Offenbach: La Périchole, Act 2: Cancan-couplets. "On vante partout son sourire" (Manuelita, Frasquinella, Piquillo, Chœur)
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Offenbach: La Périchole, Act 2: Chœur des courtisans. "Quel marché de bassesse !" (Chœur, Piquillo, Panatellas, Don Pedro)
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by artist: Michel Plasson
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by artist: José Carreras
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by artist: Michel Trempont
by artist: Orchestre Du Capitole De Toulouse
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genre: classical
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genre: french-romanticism
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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: Offenbach: La Périchole, Act 2: Chœur des courtisans. "Quel marché de bassesse !" (Chœur, Piquillo, Panatellas, Don Pedro)
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Offenbach: La Périchole, Act 3: Trio. "Je suis le joli geôlier" - Dialogue. "Savez-vous ce que c'est que ça ?" (Don Andrès, Piquillo, La Périchole)
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duration: PT3M23S
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by artist: Jacques Offenbach
by artist: Michel Plasson
by artist: Gabriel Bacquier
by artist: José Carreras
by artist: Teresa Berganza
by artist: Orchestre Du Capitole De Toulouse
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genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
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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: Offenbach: La Périchole, Act 3: Trio. "Je suis le joli geôlier" - Dialogue. "Savez-vous ce que c'est que ça ?" (Don Andrès, Piquillo, La Périchole)
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Offenbach: La Périchole, Act 3: Trio. "Roi pas plus haut qu'une botte !" (Piquillo, Don Andrès, La Périchole)
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duration: PT3M13S
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by artist: Michel Plasson
by artist: Gabriel Bacquier
by artist: José Carreras
by artist: Teresa Berganza
by artist: Orchestre Du Capitole De Toulouse
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genre: classical
genre: german-romanticism
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genre: french-opera
genre: french-romanticism
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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
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Offenbach: La Périchole, Act 3: Dialogue. "Tais-toi !" (La Périchole, Piquillo, Le Vieux Prisonnier)
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Offenbach: La Périchole, Act 3: Dialogue. "Que se passe-t-il donc ?" (Mastrilla, Berginella, Guadalena, Piquillo)
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duration: PT0M51S
duration ms: 51640
explicit: false
by artist: Jacques Offenbach
by artist: Michel Plasson
by artist: José Carreras
by artist: Michele Command
by artist: Pierrette Delange
by artist: Sonia Nigoghossian
by artist: Orchestre Du Capitole De Toulouse
in album: Offenbach: La Périchole
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genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Offenbach: La Périchole, Act 3: Dialogue. "Que se passe-t-il donc ?" (Mastrilla, Berginella, Guadalena, Piquillo)
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Les Mousquetaires au Couvent - La Magie de l'Opérette en 38 volumes - Vol. 22/38
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date published: 2012-05-02

Varney: Les mousquetaires au couvent (Mono Version)
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date published: 1957

De la melodie a l'operette
type: MusicAlbum
date published: 2004-01-01

Offenbach: Les Contes d'Hoffmann - Highlights
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date published: 1972-01-01
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  by artist: Plácido Domingo
  by artist: Pedro Di Proenza
  by artist: Choeur de la Radio Suisse Romande
  by artist: Pro Arte Choir, Lausanne
  by artist: Choeur Du Brassus
  by artist: Orchestre de la Suisse Romande
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T03:55:08Z
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track: Les Contes d'Hoffmann / Act 1: Entr'acte
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  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
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-17T19:07:14Z
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track: Les Contes d'Hoffmann / Act 1: Allons! Courage et confiance
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  by artist: Plácido Domingo
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Les Contes d'Hoffmann / Act 1: Allons! Courage et confiance
track: Les Contes d'Hoffmann: J'ai des yeux, de vrais yeux
track: Les Contes d'Hoffmann / Act 1: Les oiseaux dans la charmille
track: Les Contes d'Hoffmann / Act 1: Voici les valseurs!
track: Les Contes d'Hoffmann / Act 2: "Belle nuit, ô nuit d'amour"
track: Les Contes d'Hoffmann / Act 3: Elle a fui la tourterelle
track: Les Contes d'Hoffmann: Non, ne me tente plus!..Chère enfant que j'appelle
track: Les Contes d'Hoffmann / Act 3: Intermède-Entr'acte (Barcarolle)

Richard Bonynge
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Offenbach: Les Contes d'Hoffmann - Highlights
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CopyrightChainExplorerURL
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240009

OTSTimestamp
type: PropertyValue
value: 2026-07-06T07:53:57Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049c3ba5c7892617f5bb3fa21b01052ad509683310f4068543ac34e6e8f53d2b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240009.
date published: 2026-07-06T07:53:57Z

Les Contes d'Hoffmann / Act 1: Allons! Courage et confiance
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Les Contes d'Hoffmann: J'ai des yeux, de vrais yeux
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Les Contes d'Hoffmann / Act 1: Les oiseaux dans la charmille
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6269d95f8f4fe4bc39ba6ff6e0e73de747f0232a0cefceb37269b7430a46eb. 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/GBF077210790.
  date published: 2026-07-02T03:55:08Z
audio: Les Contes d'Hoffmann / Act 1: Les oiseaux dans la charmille
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: 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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    value: -20.831
  additional property: Key Name
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    type: PropertyValue
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Les Contes d'Hoffmann / Act 1: Voici les valseurs!
type: MusicRecording
duration: PT5M10S
duration ms: 310000
explicit: false
by artist: Jacques Offenbach
by artist: Dame Joan Sutherland
by artist: Hugues Cuénod
by artist: Huguette Tourangeau
by artist: Plácido Domingo
by artist: Jacques Charon
by artist: Pro Arte Choir, Lausanne
by artist: Choeur Du Brassus
by artist: Choeur de la Radio Suisse Romande
by artist: Orchestre de la Suisse Romande
by artist: Richard Bonynge
in album: Offenbach: Les Contes d'Hoffmann - Highlights
  type: MusicAlbum
  date published: 1972-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF077240016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xd98ba0695783dfcf0fe2e37a90bc8d703b6679f05a00dfd1ec17d848806b2329
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98ba0695783dfcf0fe2e37a90bc8d703b6679f05a00dfd1ec17d848806b2329. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240016.
  date published: 2026-07-06T07:53:57Z
audio: Les Contes d'Hoffmann / Act 1: Voici les valseurs!
  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: 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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Les Contes d'Hoffmann / Act 2: "Belle nuit, ô nuit d'amour"
type: MusicRecording
duration: PT4M9S
duration ms: 249066
explicit: false
by artist: Jacques Offenbach
by artist: Dame Joan Sutherland
by artist: Huguette Tourangeau
by artist: Chorus Pro Arte Lausanne Du Brassus
by artist: Radio Suisse Romande Chorus
by artist: Orchestre de la Suisse Romande
by artist: Richard Bonynge
in album: Offenbach: Les Contes d'Hoffmann - Highlights
  type: MusicAlbum
  date published: 1972-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF077110650
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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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110650
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f31efd0c2bb7e0d4e54cddeb6192001b07c58cebf3c3cb68034c88b9a93c97. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110650.
  date published: 2026-06-13T15:41:10Z
audio: Les Contes d'Hoffmann / Act 2: "Belle nuit, ô nuit d'amour"
  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
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.056
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.009
  additional property: Key Name
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    value: D
  additional property: Mode Name
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Les Contes d'Hoffmann / Act 3: Elle a fui la tourterelle
type: MusicRecording
duration: PT4M22S
duration ms: 262906
explicit: false
by artist: Jacques Offenbach
by artist: Dame Joan Sutherland
by artist: Orchestre de la Suisse Romande
by artist: Richard Bonynge
in album: Offenbach: Les Contes d'Hoffmann - Highlights
  type: MusicAlbum
  date published: 1972-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF077140512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:34:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc40926d27e7e34f4b54947197c19b25ee43cf7721cc95a02b096285b56fb7d0
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/GBF077140512
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc40926d27e7e34f4b54947197c19b25ee43cf7721cc95a02b096285b56fb7d0. 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/GBF077140512.
  date published: 2026-07-08T03:20:19Z
audio: Les Contes d'Hoffmann / Act 3: Elle a fui la tourterelle
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.881
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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Les Contes d'Hoffmann: Non, ne me tente plus!..Chère enfant que j'appelle
type: MusicRecording
duration: PT6M28S
duration ms: 388200
explicit: false
by artist: Jacques Offenbach
by artist: Dame Joan Sutherland
by artist: Gabriel Bacquier
by artist: Margarita Lilowa
by artist: Orchestre de la Suisse Romande
by artist: Richard Bonynge
in album: Offenbach: Les Contes d'Hoffmann - Highlights
  type: MusicAlbum
  date published: 1972-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF077140515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:36:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb492211e1c47cf088c252ceb4fc3775e297084b2018fdff5c21bc81bece228b5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077140515
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb492211e1c47cf088c252ceb4fc3775e297084b2018fdff5c21bc81bece228b5. 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/GBF077140515.
  date published: 2026-07-08T03:22:41Z
audio: Les Contes d'Hoffmann: Non, ne me tente plus!..Chère enfant que j'appelle
  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
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Les Contes d'Hoffmann / Act 3: Intermède-Entr'acte (Barcarolle)
type: MusicRecording
duration: PT3M59S
duration ms: 239400
explicit: false
by artist: Jacques Offenbach
by artist: Orchestre de la Suisse Romande
by artist: Richard Bonynge
in album: Offenbach: Les Contes d'Hoffmann - Highlights
  type: MusicAlbum
  date published: 1972-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: GBF077240030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:23:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fabdc73188594bde25ab2c808caf3098d6ff7226d824883054c061ae16251d6
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/GBF077240030
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fabdc73188594bde25ab2c808caf3098d6ff7226d824883054c061ae16251d6. 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/GBF077240030.
  date published: 2026-07-07T14:04:01Z
audio: Les Contes d'Hoffmann / Act 3: Intermède-Entr'acte (Barcarolle)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.097
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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La troupe de l'Opéra de Paris: Gabriel Bacquier (Live au Théâtre des Champs Elysées)
type: MusicAlbum
date published: 2014-05-20

La Fille de Madame Angot - La Magie de l'Opérette en 38 volumes - Vol. 14/38
type: MusicAlbum
date published: 2012-05-02

Récital de mélodies
type: MusicAlbum
date published: 2012-02-28

Gabriel Bacquier chante Pierre Louki
type: MusicAlbum
date published: 2007

Prokofiev: L'amour des trois oranges
type: MusicAlbum
date published: 2006-07-21

Grands Airs d'Opéra
type: MusicAlbum
date published: 2004-01-01

Mozart: Concert & Opera Arias
type: MusicAlbum
date published: 1994

Gounod: Mireille
type: MusicAlbum
date published: 1980-01-01
track: Gounod: Mireille, Act 1: Introduction - La cueillette. "Chantez, chantez magnanarelles" (Clémence, Chœur, Taven, Mireille)
  type: MusicRecording
  duration: PT8M41S
  duration ms: 521613
  explicit: false
  by artist: Charles Gounod
  by artist: Michel Plasson
  by artist: Choeur Du Capitole De Toulouse
  by artist: Jane Rhodes
  by artist: Michele Command
  by artist: Mirella Freni
  by artist: Orchestre Du Capitole De Toulouse
  in album: Gounod: Mireille
    type: MusicAlbum
    date published: 1980-01-01
  genre: opera
  isrc code: FRZ117900790
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ117900790
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:53:27Z
  audio: Gounod: Mireille, Act 1: Introduction - La cueillette. "Chantez, chantez magnanarelles" (Clémence, Chœur, Taven, Mireille)
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    additional property: Valence (Positivity)
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Rossini: Guillaume Tell
type: MusicAlbum
date published: 1973-01-01
track: Rossini: Guillaume Tell, Act 1: Récitatif. "Pâle et tremblant, se soutenant à peine" (Jemmy, Ruodi, Leuthold, Hedwige, Melchthal)
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  duration: PT2M6S
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  by artist: Lamberto Gardelli
  by artist: Charles Burles
  by artist: Gwynne Howell
  by artist: Jocelyne Taillon
  by artist: Mady Mesplé
  by artist: Nicolas Christou
  by artist: Royal Philharmonic Orchestra
  in album: Rossini: Guillaume Tell
    type: MusicAlbum
    date published: 1973-01-01
  genre: classical
  genre: opera
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Rossini: Guillaume Tell, Act 1: Récitatif. "Pâle et tremblant, se soutenant à peine" (Jemmy, Ruodi, Leuthold, Hedwige, Melchthal)
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track: Rossini: Guillaume Tell, Act 3: Scène et air. "Arnold, d'où naît ce désespoir ?" (Mathilde, Arnold)
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  by artist: Lamberto Gardelli
  by artist: Montserrat Caballé
  by artist: Nicolai Gedda
  by artist: Royal Philharmonic Orchestra
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    type: MusicAlbum
    date published: 1973-01-01
  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
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa00babec0124426f289822bc0ea30aef5796e02d33b38617bab268d74fc5d0c3. 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/GBAYC9502379.
    date published: 2026-07-08T03:20:19Z
  audio: Rossini: Guillaume Tell, Act 3: Scène et air. "Arnold, d'où naît ce désespoir ?" (Mathilde, Arnold)
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track: Rossini: Guillaume Tell: Ouverture
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  by artist: Royal Philharmonic Orchestra
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    date published: 1973-01-01
  genre: classical
  genre: opera
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Rossini: Guillaume Tell: Ouverture
track: Rossini: Guillaume Tell, Act 1: Récitatif et chœur. "Arnold a disparu" (Guillaume, Chœur, Leuthold, Hedwige)
track: Rossini: Guillaume Tell, Act 3: Air. "Pour notre amour plus d'espérance" (Mathilde)
track: Rossini: Guillaume Tell, Act 1: Chœur. "Quel jour serein le ciel présage !" (Chœur)
track: Rossini: Guillaume Tell, Act 3: Récitatif. "Quel bruit arrive à mon oreille ?" (Mathilde, Arnold)
track: Rossini: Guillaume Tell, Act 1: Quatuor. "Accours dans ma nacelle" (Ruodi, Guillaume, Jemmy, Hedwige)
track: Rossini: Guillaume Tell, Act 1: Finale. "Ils vont parler" (Melchthal, Jemmy, Hedwige, Rodolphe, Chœur)
track: Rossini: Guillaume Tell, Act 1: Chœur. "On entend des montagnes" (Chœur, Hedwige, Arnold, Melchthal, Guillaume)
track: Rossini: Guillaume Tell, Act 1: Chœur. "Près des torrents qui grondent" (Chœur)
track: Rossini: Guillaume Tell, Act 2: Chœur. "Quel est ce bruit ?" (Un chasseur, Chœur)
track: Rossini: Guillaume Tell, Act 2: Récitatif et romance. "Ils s'éloignent enfin" (Mathilde)
track: Rossini: Guillaume Tell, Act 3: Tyrolienne et chœur. "Toi que l'oiseau ne suivrait pas !" (Chœur)
track: Rossini: Guillaume Tell, Act 2: Air. "Sombre forêt" (Mathilde)
track: Rossini: Guillaume Tell, Act 2: Duo. "Oui, vous l'arrachez à mon âme" (Arnold, Mathilde)
track: Rossini: Guillaume Tell, Act 2: Duo. "Il est digne de mon amour, oui" (Arnold, Mathilde)
track: Rossini: Guillaume Tell, Act 2: Récitatif. "On vient, séparons-nous" (Arnold, Mathilde)
track: Rossini: Guillaume Tell, Act 1: Chœur. "Hymenée, ta journée fortunée luit pour nous" (Chœur)
track: Rossini: Guillaume Tell, Act 2: Trio. "Quand l'Helvétie est un champ de supplices" (Arnold, Guillaume, Walter)
track: Rossini: Guillaume Tell, Act 1: Pas de six. Jeu de l'arc

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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5b8bbdbcacbeb36e4db72cfd843b02b805c288b4d9618dcc2972adb45f6dfe8. 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/GBAYC9502334.
date published: 2026-07-02T03:30:09Z

Rossini: Guillaume Tell: Ouverture
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additional property: Tempo (BPM)
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additional property: Danceability
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additional property: Acousticness
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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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Rossini: Guillaume Tell, Act 1: Récitatif et chœur. "Arnold a disparu" (Guillaume, Chœur, Leuthold, Hedwige)
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duration: PT1M24S
duration ms: 84000
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Ambrosian Opera Chorus
by artist: Gabriel Bacquier
by artist: Jocelyne Taillon
by artist: Nicolas Christou
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502354
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/GBAYC9502354
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Rossini: Guillaume Tell, Act 1: Récitatif et chœur. "Arnold a disparu" (Guillaume, Chœur, Leuthold, Hedwige)
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Rossini: Guillaume Tell, Act 3: Air. "Pour notre amour plus d'espérance" (Mathilde)
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duration: PT3M25S
duration ms: 205373
explicit: false
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by artist: Lamberto Gardelli
by artist: Montserrat Caballé
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Rossini: Guillaume Tell, Act 3: Air. "Pour notre amour plus d'espérance" (Mathilde)
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Rossini: Guillaume Tell, Act 1: Chœur. "Quel jour serein le ciel présage !" (Chœur)
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duration: PT4M15S
duration ms: 255773
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by artist: Lamberto Gardelli
by artist: Ambrosian Opera Chorus
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Rossini: Guillaume Tell, Act 1: Chœur. "Quel jour serein le ciel présage !" (Chœur)
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    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
    type: PropertyValue
    value: 0.989
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  additional property: Valence (Positivity)
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Rossini: Guillaume Tell, Act 3: Récitatif. "Quel bruit arrive à mon oreille ?" (Mathilde, Arnold)
type: MusicRecording
duration: PT0M51S
duration ms: 51626
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Montserrat Caballé
by artist: Nicolai Gedda
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502381
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T10:59:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf371b1bbc3aa66adf71dcb9cbcec8531dc449a94d451ff8bdddbb05fe64bdcf7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502381
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf371b1bbc3aa66adf71dcb9cbcec8531dc449a94d451ff8bdddbb05fe64bdcf7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502381.
  date published: 2026-07-08T03:53:27Z
audio: Rossini: Guillaume Tell, Act 3: Récitatif. "Quel bruit arrive à mon oreille ?" (Mathilde, Arnold)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.346
  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
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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
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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    value: -18.823
  additional property: Key Name
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Rossini: Guillaume Tell, Act 1: Quatuor. "Accours dans ma nacelle" (Ruodi, Guillaume, Jemmy, Hedwige)
type: MusicRecording
duration: PT5M54S
duration ms: 354293
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Charles Burles
by artist: Gabriel Bacquier
by artist: Jocelyne Taillon
by artist: Mady Mesplé
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502337
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:24:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14530d4101754e658681435280873c52fff753332a62609d10014c6cbb414844
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957043
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502337
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T13:52:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14530d4101754e658681435280873c52fff753332a62609d10014c6cbb414844. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/GBAYC9502337.
  date published: 2026-07-07T13:52:39Z
audio: Rossini: Guillaume Tell, Act 1: Quatuor. "Accours dans ma nacelle" (Ruodi, Guillaume, Jemmy, Hedwige)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.12
  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: 0.323
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.294
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 1: Finale. "Ils vont parler" (Melchthal, Jemmy, Hedwige, Rodolphe, Chœur)
type: MusicRecording
duration: PT2M27S
duration ms: 147600
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Ambrosian Opera Chorus
by artist: Gwynne Howell
by artist: Jocelyne Taillon
by artist: Mady Mesplé
by artist: Ricardo Cassinelli
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502356
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:30:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56b24b898883973398db17e2de9c1eef36af8a29dd4352f731b507d10ff558c4
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/GBAYC9502356
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b24b898883973398db17e2de9c1eef36af8a29dd4352f731b507d10ff558c4. 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/GBAYC9502356.
  date published: 2026-07-08T03:22:41Z
audio: Rossini: Guillaume Tell, Act 1: Finale. "Ils vont parler" (Melchthal, Jemmy, Hedwige, Rodolphe, Chœur)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.324
  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: 0.149
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.444
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.363
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.658
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 1: Chœur. "Près des torrents qui grondent" (Chœur)
type: MusicRecording
duration: PT2M53S
duration ms: 173546
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Ambrosian Opera Chorus
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502340
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T09:18:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6384f5294cc1645a548b9b48d3309e55ad7617ef105380ff2f8fb9ac3074c9c0
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/GBAYC9502340
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6384f5294cc1645a548b9b48d3309e55ad7617ef105380ff2f8fb9ac3074c9c0. 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/GBAYC9502340.
  date published: 2026-07-07T18:39:05Z
audio: Rossini: Guillaume Tell, Act 1: Chœur. "Près des torrents qui grondent" (Chœur)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.382
  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: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.513
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.293
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.24
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.95
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 2: Chœur. "Quel est ce bruit ?" (Un chasseur, Chœur)
type: MusicRecording
duration: PT2M46S
duration ms: 166573
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Ambrosian Opera Chorus
by artist: Leslie Fyson
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502360
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:15:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5da36e0a9912007ba6ec9ecb7c4e8cabe5f1067066ece1247ce2bdc3248543a4
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/GBAYC9502360
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5da36e0a9912007ba6ec9ecb7c4e8cabe5f1067066ece1247ce2bdc3248543a4. 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/GBAYC9502360.
  date published: 2026-07-08T03:22:41Z
audio: Rossini: Guillaume Tell, Act 2: Chœur. "Quel est ce bruit ?" (Un chasseur, Chœur)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.832
  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: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.018
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.58
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.767
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 2: Récitatif et romance. "Ils s'éloignent enfin" (Mathilde)
type: MusicRecording
duration: PT3M24S
duration ms: 204013
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Montserrat Caballé
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502361
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:56:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9e92df7b470adf8c803b6ebf23923966ed233ac74564ead0d8f9fc9e3459558
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/GBAYC9502361
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e92df7b470adf8c803b6ebf23923966ed233ac74564ead0d8f9fc9e3459558. 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/GBAYC9502361.
  date published: 2026-07-08T03:20:19Z
audio: Rossini: Guillaume Tell, Act 2: Récitatif et romance. "Ils s'éloignent enfin" (Mathilde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.606
  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: 0.271
  additional property: Energy
    type: PropertyValue
    value: 0.027
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.027
  additional property: Liveness
    type: PropertyValue
    value: 0.273
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.556
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 3: Tyrolienne et chœur. "Toi que l'oiseau ne suivrait pas !" (Chœur)
type: MusicRecording
duration: PT2M50S
duration ms: 170066
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Ambrosian Opera Chorus
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502386
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:19:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9fb49fc75d03e5a7f54cad1391e260f97bcf24a66ce34798715e319c9fde64fd
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/GBAYC9502386
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb49fc75d03e5a7f54cad1391e260f97bcf24a66ce34798715e319c9fde64fd. 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/GBAYC9502386.
  date published: 2026-07-08T03:22:41Z
audio: Rossini: Guillaume Tell, Act 3: Tyrolienne et chœur. "Toi que l'oiseau ne suivrait pas !" (Chœur)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.299
  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: 0.378
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.203
  additional property: Liveness
    type: PropertyValue
    value: 0.488
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.428
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.757
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 2: Air. "Sombre forêt" (Mathilde)
type: MusicRecording
duration: PT4M57S
duration ms: 297453
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Montserrat Caballé
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502362
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:21:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2277fc27525a7a76a8a7827a7dc5c1b6d0d76ae6adab8b8a77b9e18a9b7527b
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/GBAYC9502362
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2277fc27525a7a76a8a7827a7dc5c1b6d0d76ae6adab8b8a77b9e18a9b7527b. 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/GBAYC9502362.
  date published: 2026-07-06T07:16:32Z
audio: Rossini: Guillaume Tell, Act 2: Air. "Sombre forêt" (Mathilde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.587
  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: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.056
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.397
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 2: Duo. "Oui, vous l'arrachez à mon âme" (Arnold, Mathilde)
type: MusicRecording
duration: PT3M18S
duration ms: 198893
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Montserrat Caballé
by artist: Nicolai Gedda
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502364
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:47:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03523106cfd5a4144fc4f75accf872550bca7b18b6822172135b8768ba2c2b8a
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/GBAYC9502364
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03523106cfd5a4144fc4f75accf872550bca7b18b6822172135b8768ba2c2b8a. 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/GBAYC9502364.
  date published: 2026-07-08T03:20:19Z
audio: Rossini: Guillaume Tell, Act 2: Duo. "Oui, vous l'arrachez à mon âme" (Arnold, Mathilde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.416
  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: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.188
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.123
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 2: Duo. "Il est digne de mon amour, oui" (Arnold, Mathilde)
type: MusicRecording
duration: PT2M37S
duration ms: 157666
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Montserrat Caballé
by artist: Nicolai Gedda
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502366
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:46:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce5ee982b49ed783f871ff65170d4064874c275fb1eff5f47c875b903c9a1bdb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502366
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce5ee982b49ed783f871ff65170d4064874c275fb1eff5f47c875b903c9a1bdb. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502366.
  date published: 2026-07-08T03:53:27Z
audio: Rossini: Guillaume Tell, Act 2: Duo. "Il est digne de mon amour, oui" (Arnold, Mathilde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.955
  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: 0.365
  additional property: Energy
    type: PropertyValue
    value: 0.287
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.233
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.197
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.481
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 2: Récitatif. "On vient, séparons-nous" (Arnold, Mathilde)
type: MusicRecording
duration: PT0M38S
duration ms: 38000
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Montserrat Caballé
by artist: Nicolai Gedda
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502367
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:35:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x441d213c4b1c5c2771d878419aa70680c2d8c32e0fef4663f0ff51280f6c7983
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/GBAYC9502367
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x441d213c4b1c5c2771d878419aa70680c2d8c32e0fef4663f0ff51280f6c7983. 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/GBAYC9502367.
  date published: 2026-07-08T03:22:41Z
audio: Rossini: Guillaume Tell, Act 2: Récitatif. "On vient, séparons-nous" (Arnold, Mathilde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.26
  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: 0.534
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.2
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.237
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.283
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rossini: Guillaume Tell, Act 1: Chœur. "Hymenée, ta journée fortunée luit pour nous" (Chœur)
type: MusicRecording
duration: PT5M9S
duration ms: 309026
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Ambrosian Opera Chorus
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502350
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:54:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85c8c4487a17bc24fc86b8d38d72a2656f2a9ff0ccf3532f8bff5f730486338e
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/GBAYC9502350
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c8c4487a17bc24fc86b8d38d72a2656f2a9ff0ccf3532f8bff5f730486338e. 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/GBAYC9502350.
  date published: 2026-07-08T03:22:41Z
audio: Rossini: Guillaume Tell, Act 1: Chœur. "Hymenée, ta journée fortunée luit pour nous" (Chœur)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.283
  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: 0.256
  additional property: Energy
    type: PropertyValue
    value: 0.217
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.216
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.148
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.245
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rossini: Guillaume Tell, Act 2: Trio. "Quand l'Helvétie est un champ de supplices" (Arnold, Guillaume, Walter)
type: MusicRecording
duration: PT3M23S
duration ms: 203533
explicit: false
by artist: Gioachino Rossini
by artist: Lamberto Gardelli
by artist: Gabriel Bacquier
by artist: Kolos Kovacs
by artist: Nicolai Gedda
by artist: Royal Philharmonic Orchestra
in album: Rossini: Guillaume Tell
  type: MusicAlbum
  date published: 1973-01-01
genre: classical
genre: opera
isrc code: GBAYC9502369
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:34:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xebd539569530543d94c57629786e5aebe05e56b0bede95be5aee0a34e20115ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502369
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebd539569530543d94c57629786e5aebe05e56b0bede95be5aee0a34e20115ac. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502369.
  date published: 2026-07-08T08:56:20Z
audio: Rossini: Guillaume Tell, Act 2: Trio. "Quand l'Helvétie est un champ de supplices" (Arnold, Guillaume, Walter)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.597
  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: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
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Rossini: Guillaume Tell, Act 1: Pas de six. Jeu de l'arc
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by artist: Lamberto Gardelli
by artist: Royal Philharmonic 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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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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  by artist: Plácido Domingo
  by artist: Pedro Di Proenza
  by artist: Orchestre de la Suisse Romande
  by artist: Richard Bonynge
  by artist: Pro Arte Choir, Lausanne
  by artist: Choeur Du Brassus
  by artist: Choeur de la Radio Suisse Romande
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  genre: french-opera
  genre: french-romanticism
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  by artist: Dame Joan Sutherland
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  by artist: Orchestre de la Suisse Romande
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Les Contes d'Hoffmann / Act 3: Intermède-Entr'acte (Barcarolle)
track: Les Contes d'Hoffmann / Act 2: Belle nuit, ô nuit d'amour

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

OpenTimestamps Proof of Existence
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date published: 2026-06-13T13:32:09Z

Les Contes d'Hoffmann / Act 3: Intermède-Entr'acte (Barcarolle)
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Les Contes d'Hoffmann / Act 2: Belle nuit, ô nuit d'amour
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by artist: Dame Joan Sutherland
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by artist: Plácido Domingo
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by artist: Pro Arte Choir, Lausanne
by artist: Choeur Du Brassus
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by artist: Orchestre de la Suisse Romande
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T15:15:30Z
audio: Les Contes d'Hoffmann / Act 2: Belle nuit, ô nuit d'amour
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Une anthologie de la mélodie française (Mono Version)
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Bizet: Carmen, extraits (Mono Version)
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Lehár: Le comte de Luxembourg (Short Version, Mono Version)
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La Damnation de Faust Op. 24 (1996 Digital Remaster): Une puce gentille
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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