Orquesta Sinfónica de Milán
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track: El Barbero de Sevilla: Sinfonia
track: El Barbero de Sevilla, Act I, Scene 1: "Ecco ridente in cielo"
track: El Barbero de Sevilla, Act I, Scene 1: "Largo al factotum"
track: El Barbero de Sevilla, Act I, Scene 2: "A un dollar della mia sorte"
track: El Barbero de Sevilla, Act I, Scene 2: "Ma Signor... ma un dottor"
track: El Barbero de Sevilla, Act II: "Pace e gioia sia con voi"
track: El Barbero de Sevilla, Act I, Scene 1: "All'idea di quel metallo"
track: El Barbero de Sevilla, Act I, Scene 2: "Una voce poco fa"
track: El Barbero de Sevilla, Act I, Scene 2: "La calunnia è un venticello"
track: El Barbero de Sevilla, Act I, Scene 2: Dunque io son"
track: El Barbero de Sevilla, Act II: "Contro un cor che accende amore"
track: El Barbero de Sevilla, Act II: "Il vecchiotto cerca moglie"
track: El Barbero de Sevilla, Act II: "Ah, qual colpo inaspettato!"
track: El Barbero de Sevilla, Act II: "Insomma io ho tutti i torti"
track: El Barbero de Sevilla, Act II: "Di sì felice innesto"

El Barbero de Sevilla: Sinfonia
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by artist: Tullio Serafin
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
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  date published: 2015-07-07
genre: classical
genre: opera
isrc code: QM6MZ1588554
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: El Barbero de Sevilla: Sinfonia
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El Barbero de Sevilla, Act I, Scene 1: "Ecco ridente in cielo"
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duration: PT4M36S
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by artist: Gioachino Rossini
by artist: Nicola Monti
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
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  date published: 2015-07-07
genre: classical
genre: opera
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  date published: 2026-07-08T03:20:19Z
audio: El Barbero de Sevilla, Act I, Scene 1: "Ecco ridente in cielo"
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El Barbero de Sevilla, Act I, Scene 1: "Largo al factotum"
type: MusicRecording
duration: PT4M51S
duration ms: 291266
explicit: false
by artist: Gioachino Rossini
by artist: Gino Bechi
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
genre: classical
genre: opera
isrc code: QM6MZ1588556
additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: El Barbero de Sevilla, Act I, Scene 1: "Largo al factotum"
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El Barbero de Sevilla, Act I, Scene 2: "A un dollar della mia sorte"
type: MusicRecording
duration: PT4M52S
duration ms: 292026
explicit: false
by artist: Gioachino Rossini
by artist: Melchiorre Luise
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
genre: classical
genre: opera
isrc code: QM6MZ1588561
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: El Barbero de Sevilla, Act I, Scene 2: "A un dollar della mia sorte"
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El Barbero de Sevilla, Act I, Scene 2: "Ma Signor... ma un dottor"
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by artist: Gioachino Rossini
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by artist: Nicola Monti
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by artist: Nicola Rossi-Lemeni
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  date published: 2026-07-08T03:53:27Z
audio: El Barbero de Sevilla, Act I, Scene 2: "Ma Signor... ma un dottor"
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  additional property: Mode Name
    type: PropertyValue
    value: Major

El Barbero de Sevilla, Act II: "Pace e gioia sia con voi"
type: MusicRecording
duration: PT2M36S
duration ms: 156000
explicit: false
by artist: Gioachino Rossini
by artist: Nicola Monti
by artist: Melchiorre Luise
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
genre: classical
genre: opera
isrc code: QM6MZ1588563
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:14:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd192fcafeadbd48cffc3ef7842e0b205610c8d9e2abd38c2c9048363b2884676
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/QM6MZ1588563
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+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 0xd192fcafeadbd48cffc3ef7842e0b205610c8d9e2abd38c2c9048363b2884676. 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/QM6MZ1588563.
  date published: 2026-07-08T03:53:27Z
audio: El Barbero de Sevilla, Act II: "Pace e gioia sia con voi"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.718
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.521
  additional property: Energy
    type: PropertyValue
    value: 0.449
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.37
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.621
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

El Barbero de Sevilla, Act I, Scene 1: "All'idea di quel metallo"
type: MusicRecording
duration: PT8M19S
duration ms: 499013
explicit: false
by artist: Gioachino Rossini
by artist: Nicola Monti
by artist: Gino Bechi
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0x20ceb3aeb4c59c12acc9e93584a6377bc94b227f47523e246a2aec8e609e34fb. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588557.
  date published: 2026-07-30T06:39:12Z
audio: El Barbero de Sevilla, Act I, Scene 1: "All'idea di quel metallo"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.27
  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: 0.495
  additional property: Energy
    type: PropertyValue
    value: 0.448
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.323
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.345
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.231
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QM6MZ1588557
additional property: CopyrightID
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: 960216
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T06:39:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588557
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12+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

El Barbero de Sevilla, Act I, Scene 2: "Una voce poco fa"
type: MusicRecording
duration: PT5M56S
duration ms: 356253
explicit: false
by artist: Gioachino Rossini
by artist: Victoria de los Ángeles
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0xc36dae9ffb77f8f275b7e84694e27705de34173c2bce08d6bc3fcaa2a5a96617. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/QM6MZ1588558.
  date published: 2026-07-30T00:53:20Z
audio: El Barbero de Sevilla, Act I, Scene 2: "Una voce poco fa"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.592
  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: 0.374
  additional property: Energy
    type: PropertyValue
    value: 0.267
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.246
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.962
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QM6MZ1588558
additional property: CopyrightID
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: 960181
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T00:53:20+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588558
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960181
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960181
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:53:20+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

El Barbero de Sevilla, Act I, Scene 2: "La calunnia è un venticello"
type: MusicRecording
duration: PT4M47S
duration ms: 287186
explicit: false
by artist: Gioachino Rossini
by artist: Nicola Rossi-Lemeni
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0x86f3caf176def0245afcf1f320a57e8a6e25fb47375d15ca5da0ad2095ab0583. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588559.
  date published: 2026-07-30T19:42:40Z
audio: El Barbero de Sevilla, Act I, Scene 2: "La calunnia è un venticello"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.21
  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: 0.404
  additional property: Energy
    type: PropertyValue
    value: 0.33
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.349
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.303
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QM6MZ1588559
additional property: CopyrightID
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: 960300
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T19:42:40+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588559
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960300
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:42:40+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

El Barbero de Sevilla, Act I, Scene 2: Dunque io son"
type: MusicRecording
duration: PT5M12S
duration ms: 312760
explicit: false
by artist: Gioachino Rossini
by artist: Victoria de los Ángeles
by artist: Gino Bechi
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0x1c273f1c50c4990464d4a1cc4bff275b34cfee530070564d1d3643b6bfdb28b8. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/QM6MZ1588560.
  date published: 2026-07-30T15:42:38Z
audio: El Barbero de Sevilla, Act I, Scene 2: Dunque io son"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.655
  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: 0.478
  additional property: Energy
    type: PropertyValue
    value: 0.366
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.304
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.158
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QM6MZ1588560
additional property: CopyrightID
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: 960273
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588560
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+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

El Barbero de Sevilla, Act II: "Contro un cor che accende amore"
type: MusicRecording
duration: PT5M42S
duration ms: 342413
explicit: false
by artist: Gioachino Rossini
by artist: Victoria de los Ángeles
by artist: Nicola Monti
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0x5be2a22c9286b3ae6c9b492326f56bf223b20d53aafbd55fc06927991ec18efb. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588564.
  date published: 2026-07-31T05:17:02Z
audio: El Barbero de Sevilla, Act II: "Contro un cor che accende amore"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.132
  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: 0.289
  additional property: Energy
    type: PropertyValue
    value: 0.258
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.262
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QM6MZ1588564
additional property: CopyrightID
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: 960348
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T05:17:02+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588564
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02+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

El Barbero de Sevilla, Act II: "Il vecchiotto cerca moglie"
type: MusicRecording
duration: PT3M25S
duration ms: 205466
explicit: false
by artist: Gioachino Rossini
by artist: Anna Maria Canali
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0xe30432c5c856065233fa33507ac39f932b38a00ce4980cc9c748f1652089e649. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588565.
  date published: 2026-07-31T05:17:02Z
audio: El Barbero de Sevilla, Act II: "Il vecchiotto cerca moglie"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.15
  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: 0.49
  additional property: Energy
    type: PropertyValue
    value: 0.286
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.526
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QM6MZ1588565
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
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/QM6MZ1588565
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02+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

El Barbero de Sevilla, Act II: "Ah, qual colpo inaspettato!"
type: MusicRecording
duration: PT6M6S
duration ms: 366466
explicit: false
by artist: Gioachino Rossini
by artist: Victoria de los Ángeles
by artist: Nicola Monti
by artist: Gino Bechi
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0x5befb00a6d784bd7e3338f7eefcdf0cb880178f68328ecef07f9d5adee8e5815. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588566.
  date published: 2026-07-31T00:26:26Z
audio: El Barbero de Sevilla, Act II: "Ah, qual colpo inaspettato!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.226
  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: 0.479
  additional property: Energy
    type: PropertyValue
    value: 0.388
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.418
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.85
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QM6MZ1588566
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960327
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588566
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+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

El Barbero de Sevilla, Act II: "Insomma io ho tutti i torti"
type: MusicRecording
duration: PT0M47S
duration ms: 47826
explicit: false
by artist: Gioachino Rossini
by artist: Melchiorre Luise
by artist: Gino Bechi
by artist: Nicola Rossi-Lemeni
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0x938ac98b75febca7bdc25ad2b8e50c999da3c99822cfaacc37f24d1cfb447267. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588567.
  date published: 2026-07-31T15:20:15Z
audio: El Barbero de Sevilla, Act II: "Insomma io ho tutti i torti"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.493
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.604
  additional property: Energy
    type: PropertyValue
    value: 0.49
  additional property: Speechiness
    type: PropertyValue
    value: 0.22
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.063
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.332
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.487
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: QM6MZ1588567
additional property: CopyrightID
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
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additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588567
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+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

El Barbero de Sevilla, Act II: "Di sì felice innesto"
type: MusicRecording
duration: PT1M13S
duration ms: 73333
explicit: false
by artist: Gioachino Rossini
by artist: Victoria de los Ángeles
by artist: Nicola Monti
by artist: Melchiorre Luise
by artist: Gino Bechi
by artist: Anna Maria Canali
by artist: Erminio Benatti
by artist: Nicola Rossi-Lemeni
by artist: Tullio Serafin
by artist: Orquesta Sinfónica de Milán
in album: El Barbero de Sevilla, Rossini, Grandes Óperas
  type: MusicAlbum
  date published: 2015-07-07
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 0x1434b2fa780b13dcbf31839aa59438f86957aaa46b41a352b790fc88f4e165a9. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/QM6MZ1588568.
  date published: 2026-07-31T15:59:18Z
audio: El Barbero de Sevilla, Act II: "Di sì felice innesto"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.532
  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: 0.423
  additional property: Energy
    type: PropertyValue
    value: 0.515
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.901
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.754
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.189
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: QM6MZ1588568
additional property: CopyrightID
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: 960427
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:59:18+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1588568
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18+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