Orchestra Sinfonica Nazionale della Rai
type: MusicGroup
genre: opera
popularity: 19
followers: 81
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subject of: OpenTimestamps Proof of Existence
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track: La traviata / Act 1: È strano! È strano!
track: La traviata / Act 1: Ah, fors’è lui
track: La traviata / Act 1: Follie! Delirio vano è questo!
track: La traviata / Act 1: Sempre libera
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  by artist: Paolo Fanale
  by artist: Orchestra Sinfonica Nazionale della Rai
  by artist: Riccardo Frizza
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    type: MusicAlbum
    date published: 2022-03-04
  genre: classical
  genre: opera
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    date published: 2026-07-06T07:16:32Z
  audio: La traviata / Act 1: Sempre libera
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track: La traviata / Act 3: Addio del passato
track: Lucia di Lammermoor / Act 1: Regnava nel silenzio
track: Lucia di Lammermoor / Act 3: Ardon gl’incensi
track: Lucia di Lammermoor / Act 3: Spargi d'amaro pianto
track: Roméo et Juliette, CG 9 / Act 1: Ah, je veux vivre
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    date published: 2022-03-04
  genre: opera
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T14:41:13Z
  audio: Roméo et Juliette, CG 9 / Act 1: Ah, je veux vivre
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track: Roméo et Juliette, CG 9 / Act 4: Dieu! Quel frisson court dans mes veines?
track: Roméo et Juliette, CG 9 / Act 4: Amour, ranime mon courage
track: Lucia di Lammermoor / Act 3: O giusto cielo! ... Il dolce suono
track: La traviata / Act 3: Teneste la promessa
track: Lucia di Lammermoor / Act 1: Introduzione
track: Lucia di Lammermoor / Act 1: Ancor non giunse!
track: Lucia di Lammermoor / Act 1: Quando rapito in estasi
track: Lucia di Lammermoor / Act 3: Ohimè! Sorge il tremendo fantasma

La traviata / Act 1: È strano! È strano!
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by artist: Giuseppe Verdi
by artist: Nadine Sierra
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
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genre: classical
genre: opera
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  date published: 2026-07-02T11:38:34Z
audio: La traviata / Act 1: È strano! È strano!
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La traviata / Act 1: Ah, fors’è lui
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by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
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  date published: 2022-03-04
genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:55:08Z
audio: La traviata / Act 1: Ah, fors’è lui
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La traviata / Act 1: Follie! Delirio vano è questo!
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genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T11:38:34Z
audio: La traviata / Act 1: Follie! Delirio vano è questo!
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La traviata / Act 3: Addio del passato
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54b3cbc5c89390ae9d2ae3465e8289d87abcf99691d7aa956d8ce2ac51a9c938. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031113.
  date published: 2026-07-02T11:38:34Z
audio: La traviata / Act 3: Addio del passato
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  additional property: Energy
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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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Lucia di Lammermoor / Act 1: Regnava nel silenzio
type: MusicRecording
duration: PT4M35S
duration ms: 275053
explicit: false
by artist: Gaetano Donizetti
by artist: Nadine Sierra
by artist: Veta Pilipenko
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
isrc code: DEN962031105
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Lucia di Lammermoor / Act 1: Regnava nel silenzio
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Lucia di Lammermoor / Act 3: Ardon gl’incensi
type: MusicRecording
duration: PT6M8S
duration ms: 368146
explicit: false
by artist: Gaetano Donizetti
by artist: Nadine Sierra
by artist: Capella Cracoviensis
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
isrc code: DEN962031118
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031118
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956889
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-06T06:56:49+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8bba85d1e69530107e1d94d6ead4017b57de55e35d6062d132b67b8c52f819. 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/DEN962031118.
  date published: 2026-07-06T07:16:32Z
audio: Lucia di Lammermoor / Act 3: Ardon gl’incensi
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.517
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Lucia di Lammermoor / Act 3: Spargi d'amaro pianto
type: MusicRecording
duration: PT4M29S
duration ms: 269093
explicit: false
by artist: Gaetano Donizetti
by artist: Nadine Sierra
by artist: Capella Cracoviensis
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
isrc code: DEN962031108
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031108
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957073
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T18:39:05+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86e5fb83f7b83760af3200d7c423b0622c1907b93d692d79d3946205f2f472ae. 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/DEN962031108.
  date published: 2026-07-07T18:39:05Z
audio: Lucia di Lammermoor / Act 3: Spargi d'amaro pianto
  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
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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)
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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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Roméo et Juliette, CG 9 / Act 4: Dieu! Quel frisson court dans mes veines?
type: MusicRecording
duration: PT1M12S
duration ms: 72560
explicit: false
by artist: Charles Gounod
by artist: Nadine Sierra
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
isrc code: DEN962031102
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031102
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ccc292374ba3bc8a5ffdd43b4dd76a1dc9387b9699901e63b8e57b7f7eab619. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031102.
  date published: 2026-07-02T11:38:34Z
audio: Roméo et Juliette, CG 9 / Act 4: Dieu! Quel frisson court dans mes veines?
  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
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Roméo et Juliette, CG 9 / Act 4: Amour, ranime mon courage
type: MusicRecording
duration: PT4M41S
duration ms: 281280
explicit: false
by artist: Charles Gounod
by artist: Nadine Sierra
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
isrc code: DEN962031103
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031103
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50b7e3ffec4098f2298678a1f2368698b6dc1585982b7ec730add6b747c7936b. 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/DEN962031103.
  date published: 2026-07-02T03:55:08Z
audio: Roméo et Juliette, CG 9 / Act 4: Amour, ranime mon courage
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: 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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Lucia di Lammermoor / Act 3: O giusto cielo! ... Il dolce suono
type: MusicRecording
duration: PT3M20S
duration ms: 200906
explicit: false
by artist: Gaetano Donizetti
by artist: Nadine Sierra
by artist: Capella Cracoviensis
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x220e3040f376a26cf4e446701ff88c0191e64785d2eebdf1e24baf3e287c8809. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/DEN962031107.
  date published: 2026-07-22T15:38:35Z
audio: Lucia di Lammermoor / Act 3: O giusto cielo! ... Il dolce suono
  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
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  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
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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
    type: PropertyValue
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isrc code: DEN962031107
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La traviata / Act 3: Teneste la promessa
type: MusicRecording
duration: PT1M34S
duration ms: 94000
explicit: false
by artist: Giuseppe Verdi
by artist: Nadine Sierra
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85527f3ddd681086ba8567cab1c7db06ac25f82ad4bc534abf58a73c02126724. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/DEN962031112.
  date published: 2026-07-29T14:28:24Z
audio: La traviata / Act 3: Teneste la promessa
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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isrc code: DEN962031112
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T14:28:24+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Lucia di Lammermoor / Act 1: Introduzione
type: MusicRecording
duration: PT2M53S
duration ms: 173586
explicit: false
by artist: Gaetano Donizetti
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7be60e8657e93fd152aef3049637cb98bdee54c86a89514ba88e6feab63f8d5b. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/DEN962031116.
  date published: 2026-07-29T13:09:35Z
audio: Lucia di Lammermoor / Act 1: Introduzione
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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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)
    type: PropertyValue
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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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isrc code: DEN962031116
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Lucia di Lammermoor / Act 1: Ancor non giunse!
type: MusicRecording
duration: PT1M53S
duration ms: 113213
explicit: false
by artist: Gaetano Donizetti
by artist: Nadine Sierra
by artist: Veta Pilipenko
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19a5a498e59e1548dec734d350a08444d8184cc55aa82bfd10568bca8cb02c67. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031104.
  date published: 2026-07-29T19:35:34Z
audio: Lucia di Lammermoor / Act 1: Ancor non giunse!
  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
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  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
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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
    type: PropertyValue
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isrc code: DEN962031104
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Lucia di Lammermoor / Act 1: Quando rapito in estasi
type: MusicRecording
duration: PT4M52S
duration ms: 292666
explicit: false
by artist: Gaetano Donizetti
by artist: Nadine Sierra
by artist: Veta Pilipenko
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1351778afbc2bae88537188c581c1a8c6f3b13f7e37c4c17eb09cfebed9cd4f4. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031106.
  date published: 2026-07-29T15:22:21Z
audio: Lucia di Lammermoor / Act 1: Quando rapito in estasi
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 130.462
  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
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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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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isrc code: DEN962031106
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Lucia di Lammermoor / Act 3: Ohimè! Sorge il tremendo fantasma
type: MusicRecording
duration: PT3M48S
duration ms: 228600
explicit: false
by artist: Gaetano Donizetti
by artist: Nadine Sierra
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Made for Opera
  type: MusicAlbum
  date published: 2022-03-04
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3490079be7f2bd7751ed5e0782b073d41ec6ac567afbf7ddd1807884b5dff4be. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031117.
  date published: 2026-07-29T19:35:34Z
audio: Lucia di Lammermoor / Act 3: Ohimè! Sorge il tremendo fantasma
  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
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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: 0.974
  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.409
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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    value: Minor
isrc code: DEN962031117
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031117
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Speechiness
type: PropertyValue
value: 0.066

Acousticness
type: PropertyValue
value: 0.962

Instrumentalness
type: PropertyValue
value: 0.009

Liveness
type: PropertyValue
value: 0.102

Valence (Positivity)
type: PropertyValue
value: 0.169

Loudness (dB)
type: PropertyValue
value: -22.755

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Roméo et Juliette, CG 9 / Act 1: Ah, je veux vivre
type: MusicRecording
duration: PT3M55S
duration ms: 235466
explicit: false
by artist: Charles Gounod
by artist: Nadine Sierra
by artist: Orchestra Sinfonica Nazionale della Rai
by artist: Riccardo Frizza
in album: Gounod: Roméo et Juliette, CG 9 / Act 1: Ah, je veux vivre
  type: MusicAlbum
  date published: 2022-01-14
genre: opera
isrc code: DEN962031101
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962031101
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 0xf56a026baddbd85282a4b217233e0fd73d4258bb191c1ba8e77ce658eaff163f. 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/DEN962031101.
  date published: 2026-06-13T15:41:10Z
audio: Roméo et Juliette, CG 9 / Act 1: Ah, je veux vivre
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: 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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