Ruggero Leoncavallo
type: MusicGroup
genre: opera
description: Ruggero (or Ruggiero) Leoncavallo (23 April 18579 August 1919) was an Italian opera composer and librettist. Throughout his career, Leoncavallo produced numerous operas and songs, but it is his 1892 o
popularity: 42
followers: 13628
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x593d0607260a342691619084016bec92d0ee5f51f7dd576347957fe9c9fe768c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9415bfc9-d5f2-46fc-be2e-7472ee55f43f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9415bfc9-d5f2-46fc-be2e-7472ee55f43f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9415bfc9-d5f2-46fc-be2e-7472ee55f43f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x593d0607260a342691619084016bec92d0ee5f51f7dd576347957fe9c9fe768c","name":"Ruggero Leoncavallo","registered_at":"2026-06-12T04:50:28Z","symbol":"NIM0191933","token_address":"0xa883ba58b609bd3cf8a06afc5a9900dcb0499dc2","type":"artist","uuid":"9415bfc9-d5f2-46fc-be2e-7472ee55f43f"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x593d0607260a342691619084016bec92d0ee5f51f7dd576347957fe9c9fe768c. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9415bfc9-d5f2-46fc-be2e-7472ee55f43f.json and https://artists.proofprofile.net/proofs/artist/9415bfc9-d5f2-46fc-be2e-7472ee55f43f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x593d0607260a342691619084016bec92d0ee5f51f7dd576347957fe9c9fe768c","name":"Ruggero Leoncavallo","registered_at":"2026-06-12T04:50:28Z","symbol":"NIM0191933","token_address":"0xa883ba58b609bd3cf8a06afc5a9900dcb0499dc2","type":"artist","uuid":"9415bfc9-d5f2-46fc-be2e-7472ee55f43f"}
album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 2006-01-01
album: Airs d'opéras. Les noces de Figaro, Les puritains, Samson et Dalila, Tannhäuser, Othello...
  type: MusicAlbum
  date published: 2023-12-14
album: Love Duets
  type: MusicAlbum
  date published: 2022-10-28
album: Leoncavallo: Pagliacci (Excerpts)
  type: MusicAlbum
  date published: 2016-01-01
album: Mascagni: Cavalleria Rusticana / Leoncavallo: Pagliacci
  type: MusicAlbum
  date published: 2011-01-01
album: Paraphrase. Opera and Ballet Piano Transcriptions. Visions from the Golden Age
  type: MusicAlbum
  date published: 2023-03-03
album: Leoncavallo: Pagliacci (Remastered 2023) [Live]
  type: MusicAlbum
  date published: 2023-12-06
album: Ruggero Leoncavallo: Pagliacci
  type: MusicAlbum
  date published: 2023-09-19
album: Leoncavallo: Pagliacci (Remastered 2022) [Live]
  type: MusicAlbum
  date published: 2023-01-06
album: Leoncavallo: Pagliacci
  type: MusicAlbum
  date published: 2021-07-30
album: Leoncavallo: Zingari
  type: MusicAlbum
  date published: 2022-09-23
album: Ruggiero Leoncavallo: Pour Piano - Complete Works
  type: MusicAlbum
  date published: 2022-09-16
album: Leoncavallo: Opera Masterpieces
  type: MusicAlbum
  date published: 2021-11-26
album: Leoncavallo: Zingari (Live)
  type: MusicAlbum
  date published: 2021-04-16
album: Leoncavallo: Pagliacci (Live)
  type: MusicAlbum
  date published: 2020-02-14
album: Leoncavallo: Complete Piano Works
  type: MusicAlbum
  date published: 2019-04-05
album: Leoncavallo - Pagliacci
  type: MusicAlbum
  date published: 2017-05-08
album: Leoncavallo: Zazà
  type: MusicAlbum
  date published: 2016-01-01
album: Leoncavallo: La bohème
  type: MusicAlbum
  date published: 2016-01-01
album: Leoncavallo: La Bohème (1958)
  type: MusicAlbum
  date published: 2015-02-01
album: Ruggero Leoncavallo: Zaza
  type: MusicAlbum
  date published: 2014-09-01
album: Il mito dell'opera: Pagliacci (Recordings 1907)
  type: MusicAlbum
  date published: 2014-07-01
album: Leoncavallo: Pagliacci (Recordings 1954)
  type: MusicAlbum
  date published: 2014-06-01
album: Leoncavallo: Musiche per pianoforte
  type: MusicAlbum
  date published: 2014-05-01
album: Leoncavallo: Mameli
  type: MusicAlbum
  date published: 2014-04-01
album: Leoncavallo: Chatterton
  type: MusicAlbum
  date published: 2013-08-01
album: La Bohème Collection
  type: MusicAlbum
  date published: 2011-10-25
album: Zingari : Opera completa
  type: MusicAlbum
  date published: 2011-03-10
album: Leoncavallo: La Nuit de mai - Opera Arias & Songs
  type: MusicAlbum
  date published: 2010-01-01
album: Leoncavallo: I Medici
  type: MusicAlbum
  date published: 2010-01-01
album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 2009-02-09
album: Leoncavallo: Pagliacci (Callas, Di Stefano, Serafin) (1954)
  type: MusicAlbum
  date published: 2006-01-17
album: Del Monaco in Moscow (Live)
  type: MusicAlbum
  date published: 2006-01-01
album: Great Musicians, Great Music: Beniamino Gigli Sings Pagliacci
  type: MusicAlbum
  date published: 2006
album: Leoncavallo - I pagliacci
  type: MusicAlbum
  date published: 2005-09-15
album: Leoncavallo: Pagliacci (Bjorling / Angeles) (1953)
  type: MusicAlbum
  date published: 2004-03-09
album: Leoncavallo: Nuit De Mai (La)
  type: MusicAlbum
  date published: 2003-01-01
album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
  track: En Aranjuez con tu amor (Arr. Maazel for Tenor, Violin & Orchestra)
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205893
    explicit: false
    by artist: Joaquín Rodrigo
    by artist: Andrea Bocelli
    by artist: London Symphony Orchestra
    by artist: Lorin Maazel
    in album: Sentimento
      type: MusicAlbum
      date published: 2002-01-01
    isrc code: ITZ040200067
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T09:42:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x77800e2bd4c3e3bdcaa894d8ec18966d3d4d8db7a9022a586c7a941e20753b33
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953513
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/953513
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200067
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77800e2bd4c3e3bdcaa894d8ec18966d3d4d8db7a9022a586c7a941e20753b33. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200067.
      date published: 2026-06-13T12:47:07Z
    audio: En Aranjuez con tu amor (Arr. Maazel for Tenor, Violin & Orchestra)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 122.499
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Mattinata (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Barcarolle (Arr. Maazel for Tenor, Violin & Orchestra)
  track: L'alba sepàra della luce l'ombra (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Sogno d'amore (After Liebestraum No. 3) [Arr. Maazel for Tenor, Violin & Orchestra]
  track: La Serenata (Arr. Maazel for Tenor, Violin & Orchestra)
  track: L'ultima canzone (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Malìa (Arr. Maazel for Tenor, Violin & Orchestra)
  track: La danza (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Ideale (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Sogno (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Plaisir d'amour (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Musica proibita (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Occhi di fata (Arr. Maazel for Tenor, Violin & Orchestra)
  track: 'A vucchella (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Vorrei morire (Arr. Maazel for Tenor, Violin & Orchestra)
  track: Vaghissima sembrianza (Arr. Maazel for Tenor, Violin & Orchestra)
album: Leoncavallo: Pagliacci (Gigli / La Scala) (1934)
album: Venice In Peril
album: Two Tenors
album: Piero Pauli
album: Live
album: Leoncavallo: La bohème (Recorded 1958) [Live]
album: Jussi Björling (1911-1960) - Anniversary
album: The Master
album: 8 Arias & 8 Songs
album: Lebendige Vergangenheit Heinrich Schlusnus II
album: Golden Years
album: Golden Moments of Song
album: Karajan A-Z: Holst - Liszt
album: The Art Of Joseph Schmidt
album: Ridi Pagliaccio Mario del Monaco interpreta Leoncavallo e il verismo
album: From the Heart: Italian Arias and Neopolitan Songs
track: Pagliacci / Act 1: "Vesti la giubba"
track: I Pagliacci: Vesti la giubba
track: Pagliacci, Act I: Intermezzo
track: Mattinata - Wien, Wien, nur du allein - Amapola - Live

Musical Key
type: PropertyValue
value: 2

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.288

Energy
type: PropertyValue
value: 0.359

Speechiness
type: PropertyValue
value: 0.033

Acousticness
type: PropertyValue
value: 0.957

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.165

Valence (Positivity)
type: PropertyValue
value: 0.248

Loudness (dB)
type: PropertyValue
value: -12.076

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

Mattinata (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT2M29S
duration ms: 149600
explicit: false
by artist: Ruggero Leoncavallo
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: ITZ040200068
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:03:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdfb517f9bbe9d5d3b16bbd0fb9efa2eb7059c59d824a9d3e151554fdce863c84
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200068
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfb517f9bbe9d5d3b16bbd0fb9efa2eb7059c59d824a9d3e151554fdce863c84. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200068.
  date published: 2026-06-13T13:32:09Z
audio: Mattinata (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.475
  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: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.396
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.216
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.272
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.884
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Barcarolle (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT2M35S
duration ms: 155893
explicit: false
by artist: Jacques Offenbach
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: ITZ040200069
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:38:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9dd20e41920926bc481e8b7bd52b9a148e407c827f0a88697d9276a9f4e1507e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200069
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dd20e41920926bc481e8b7bd52b9a148e407c827f0a88697d9276a9f4e1507e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/ITZ040200069.
  date published: 2026-06-13T12:53:06Z
audio: Barcarolle (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.641
  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: 0.18
  additional property: Energy
    type: PropertyValue
    value: 0.319
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.23
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.191
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.728
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'alba sepàra della luce l'ombra (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT2M45S
duration ms: 165173
explicit: false
by artist: Francesco Paolo Tosti
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
genre: canzone-napoletana
isrc code: ITZ040200070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:12:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a4b6430add51efbadb1dc281f53e79b4d0c8671815976a239895fe8f116c34e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a4b6430add51efbadb1dc281f53e79b4d0c8671815976a239895fe8f116c34e. 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/ITZ040200070.
  date published: 2026-07-02T03:55:08Z
audio: L'alba sepàra della luce l'ombra (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.801
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.252
  additional property: Energy
    type: PropertyValue
    value: 0.382
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.191
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.102
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.398
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sogno d'amore (After Liebestraum No. 3) [Arr. Maazel for Tenor, Violin & Orchestra]
type: MusicRecording
duration: PT5M18S
duration ms: 318800
explicit: false
by artist: Franz Liszt
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: classical
genre: late-romantic-era
isrc code: ITZ040200071
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T20:29:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbdd8675d5ed4f8699fa66aee4c663ac08472605f51b2f821b0e088e087fee57f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200071
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdd8675d5ed4f8699fa66aee4c663ac08472605f51b2f821b0e088e087fee57f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200071.
  date published: 2026-07-02T03:30:09Z
audio: Sogno d'amore (After Liebestraum No. 3) [Arr. Maazel for Tenor, Violin & Orchestra]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.387
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.18
  additional property: Energy
    type: PropertyValue
    value: 0.29
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.862
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Serenata (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M21S
duration ms: 201040
explicit: false
by artist: Francesco Paolo Tosti
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
genre: canzone-napoletana
isrc code: ITZ040200072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T19:25:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9396a9b5a5e2a20b03c1af0e549f492beccfa996a8ed5d206c12b761929fbc32
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200072
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9396a9b5a5e2a20b03c1af0e549f492beccfa996a8ed5d206c12b761929fbc32. 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/ITZ040200072.
  date published: 2026-07-02T03:55:08Z
audio: La Serenata (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.493
  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: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.337
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.249
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'ultima canzone (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT4M18S
duration ms: 258906
explicit: false
by artist: Francesco Paolo Tosti
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
genre: canzone-napoletana
isrc code: ITZ040200073
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:03:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe47bf9b1706accf70e001cd9b7d2638e250daf62aaad33a691b6e89af2ef5db9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200073
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe47bf9b1706accf70e001cd9b7d2638e250daf62aaad33a691b6e89af2ef5db9. 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/ITZ040200073.
  date published: 2026-07-02T03:55:08Z
audio: L'ultima canzone (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.91
  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: 0.271
  additional property: Energy
    type: PropertyValue
    value: 0.376
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.22
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.579
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Malìa (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M31S
duration ms: 211306
explicit: false
by artist: Francesco Paolo Tosti
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
genre: canzone-napoletana
isrc code: ITZ040200074
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:13:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9728db5dea0fecfa8ab7f859140083faa314de64d532b57e256d9ee447b20d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200074
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9728db5dea0fecfa8ab7f859140083faa314de64d532b57e256d9ee447b20d6. 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/ITZ040200074.
  date published: 2026-07-02T03:55:08Z
audio: Malìa (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.313
  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: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.29
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.109
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.163
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La danza (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M3S
duration ms: 183560
explicit: false
by artist: Gioachino Rossini
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: classical
genre: opera
isrc code: ITZ040200075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:03:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9188aeb18b38471928103d4baf579368a259ca0a18522f12ac6dbe07d0d8906
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200075
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9188aeb18b38471928103d4baf579368a259ca0a18522f12ac6dbe07d0d8906. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200075.
  date published: 2026-06-13T13:32:09Z
audio: La danza (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.717
  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: 0.412
  additional property: Energy
    type: PropertyValue
    value: 0.546
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.868
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.77
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.466
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ideale (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M11S
duration ms: 191893
explicit: false
by artist: Francesco Paolo Tosti
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
genre: canzone-napoletana
isrc code: ITZ040200084
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T16:22:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0cda0f8733a37e63c3663ab0560dd50b0d1dea5f8931b2cdde8807b50cf51e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0cda0f8733a37e63c3663ab0560dd50b0d1dea5f8931b2cdde8807b50cf51e5. 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/ITZ040200084.
  date published: 2026-07-02T03:55:08Z
audio: Ideale (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.45
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.197
  additional property: Energy
    type: PropertyValue
    value: 0.313
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.092
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sogno (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M2S
duration ms: 182933
explicit: false
by artist: Francesco Paolo Tosti
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
genre: canzone-napoletana
isrc code: ITZ040200085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T16:21:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd26d3974596b8bb87439ab3edb85233125188943355ea1ca187b91b25eb483d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd26d3974596b8bb87439ab3edb85233125188943355ea1ca187b91b25eb483d6. 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/ITZ040200085.
  date published: 2026-07-02T03:55:08Z
audio: Sogno (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.603
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.228
  additional property: Energy
    type: PropertyValue
    value: 0.311
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.131
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.674
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Plaisir d'amour (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M51S
duration ms: 231933
explicit: false
by artist: Jean-Paul-Égide Martini
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
isrc code: ITZ040200078
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T02:23:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9630afdff35acbeee8aa3866866eb92aa1f2900a04c258180c1d4c0082e426d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200078
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9630afdff35acbeee8aa3866866eb92aa1f2900a04c258180c1d4c0082e426d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200078.
  date published: 2026-07-02T03:30:09Z
audio: Plaisir d'amour (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.204
  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: 0.243
  additional property: Energy
    type: PropertyValue
    value: 0.304
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.154
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.601
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Musica proibita (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M37S
duration ms: 217226
explicit: false
by artist: Stanislao Gastaldon
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
isrc code: ITZ040200076
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T16:21:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03edcf307b1b61c1ecead04939f6e71360e1b2d4ee6f936ce24e32d79a10d5b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200076
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03edcf307b1b61c1ecead04939f6e71360e1b2d4ee6f936ce24e32d79a10d5b2. 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/ITZ040200076.
  date published: 2026-07-02T03:55:08Z
audio: Musica proibita (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.615
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.188
  additional property: Energy
    type: PropertyValue
    value: 0.302
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.183
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.155
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.738
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Occhi di fata (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M26S
duration ms: 206093
explicit: false
by artist: Luigi Denza
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: italian-romanticism
genre: post-romantic-era
genre: canzone-napoletana
isrc code: ITZ040200080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T16:21:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3815e8198e160fb0be00b472d36ccad951c83e837c3bf1313e034e0f475d8c0e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3815e8198e160fb0be00b472d36ccad951c83e837c3bf1313e034e0f475d8c0e. 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/ITZ040200080.
  date published: 2026-07-02T03:55:08Z
audio: Occhi di fata (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.529
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.249
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.587
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

'A vucchella (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT2M42S
duration ms: 162733
explicit: false
by artist: Francesco Paolo Tosti
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
genre: canzone-napoletana
isrc code: ITZ040200081
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T17:51:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce09e02f6a09d1e3675525616a88e66c5595ab80104eef1c98de9905c7e9b97a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200081
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce09e02f6a09d1e3675525616a88e66c5595ab80104eef1c98de9905c7e9b97a. 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/ITZ040200081.
  date published: 2026-07-02T03:55:08Z
audio: 'A vucchella (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.573
  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: 0.256
  additional property: Energy
    type: PropertyValue
    value: 0.261
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.461
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.817
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vorrei morire (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT4M58S
duration ms: 298666
explicit: false
by artist: Francesco Paolo Tosti
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
genre: opera
genre: canzone-napoletana
isrc code: ITZ040200082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:44:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d1246fb18f68339a205ce824f1477f9154613204b4d31c4b230d3486d36bd03
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957819
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957819
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200082
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:53:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d1246fb18f68339a205ce824f1477f9154613204b4d31c4b230d3486d36bd03. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/ITZ040200082.
  date published: 2026-07-13T07:53:33Z
audio: Vorrei morire (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.122
  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: 0.246
  additional property: Energy
    type: PropertyValue
    value: 0.277
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.233
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.675
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vaghissima sembrianza (Arr. Maazel for Tenor, Violin & Orchestra)
type: MusicRecording
duration: PT3M27S
duration ms: 207466
explicit: false
by artist: Stefano Donaudy
by artist: Andrea Bocelli
by artist: London Symphony Orchestra
by artist: Lorin Maazel
in album: Sentimento
  type: MusicAlbum
  date published: 2002-01-01
isrc code: ITZ040200083
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T17:50:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecdc70d045d4814619591d5b8958bca6959de76176f87e4bad284ef1e43d787f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040200083
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecdc70d045d4814619591d5b8958bca6959de76176f87e4bad284ef1e43d787f. 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/ITZ040200083.
  date published: 2026-07-02T03:55:08Z
audio: Vaghissima sembrianza (Arr. Maazel for Tenor, Violin & Orchestra)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.694
  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: 0.163
  additional property: Energy
    type: PropertyValue
    value: 0.377
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.177
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.651
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Leoncavallo: Pagliacci (Gigli / La Scala) (1934)
type: MusicAlbum
date published: 2001-07-22

Venice In Peril
type: MusicAlbum
date published: 2000-01-01

Two Tenors
type: MusicAlbum
date published: 2000-01-01

Leoncavallo: Pagliacci
type: MusicAlbum
date published: 2014-12-12
track: Pagliacci, Act I: "Recitar! Vesti la giubba" (Canio)
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215493
  explicit: false
  by artist: Ruggero Leoncavallo
  by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
  by artist: Francesco Molinari-Prandelli
  by artist: Mario del Monaco
  in album: Leoncavallo: Pagliacci
    type: MusicAlbum
    date published: 2014-12-12
  popularity: 20
  genre: italian-opera
  genre: italian-romanticism
  genre: opera
  isrc code: DEHB51303042
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T18:38:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb308c943371a555fba5bd314b6067081b92ed805aec610d51201f84170bd1ab9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303042
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb308c943371a555fba5bd314b6067081b92ed805aec610d51201f84170bd1ab9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303042.
    date published: 2026-06-13T13:32:09Z
  audio: Pagliacci, Act I: "Recitar! Vesti la giubba" (Canio)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.535
    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: 0.21
    additional property: Energy
      type: PropertyValue
      value: 0.203
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.962
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.102
    additional property: Liveness
      type: PropertyValue
      value: 0.178
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.059
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.7
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Leoncavallo: Pagliacci (Live)
type: MusicAlbum
date published: 2014-07-01

Piero Pauli
type: MusicAlbum
date published: 2000-01-01

Live
type: MusicAlbum
date published: 2000-01-01

Leoncavallo: Pagliacci
type: MusicAlbum
date published: 2022-11-04

Leoncavallo: La bohème (Recorded 1958) [Live]
type: MusicAlbum
date published: 2015-02-01

Jussi Björling (1911-1960) - Anniversary
type: MusicAlbum
date published: 2010-05-24

The Master
type: MusicAlbum
date published: 2000-01-01

8 Arias & 8 Songs
type: MusicAlbum
date published: 2000-01-01

Lebendige Vergangenheit Heinrich Schlusnus II
type: MusicAlbum
date published: 2000-01-01

Golden Years
type: MusicAlbum
date published: 2000-01-01

Golden Moments of Song
type: MusicAlbum
date published: 2000-01-01

Karajan A-Z: Holst - Liszt
type: MusicAlbum
date published: 2024-08-02
track: Die lustige Witwe, Act II: No. 10b, Valse moderato
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137493
  explicit: false
  by artist: Franz Lehár
  by artist: Berliner Philharmoniker
  by artist: Herbert von Karajan
  in album: Karajan A-Z: Holst - Liszt
    type: MusicAlbum
    date published: 2024-08-02
  popularity: 9
  genre: opera
  isrc code: DEF057230414
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T02:28:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x15b5f415d35aaa79c18f66d925b6887c680e616462e83bfec3996256783c8c59
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230414
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b5f415d35aaa79c18f66d925b6887c680e616462e83bfec3996256783c8c59. 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/DEF057230414.
    date published: 2026-07-02T03:55:08Z
  audio: Die lustige Witwe, Act II: No. 10b, Valse moderato
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.044
    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: 0.176
    additional property: Energy
      type: PropertyValue
      value: 0.043
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.944
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.903
    additional property: Liveness
      type: PropertyValue
      value: 0.209
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.094
    additional property: Loudness (dB)
      type: PropertyValue
      value: -32.16
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

The Art Of Joseph Schmidt
type: MusicAlbum
date published: 2000-01-01

Ridi Pagliaccio Mario del Monaco interpreta Leoncavallo e il verismo
type: MusicAlbum
date published: 2021-10-08

From the Heart: Italian Arias and Neopolitan Songs
type: MusicAlbum
date published: 1996-09-01

Pagliacci / Act 1: "Vesti la giubba"
type: MusicRecording
duration: PT2M50S
duration ms: 170000
explicit: false
by artist: Ruggero Leoncavallo
by artist: Luciano Pavarotti
by artist: Vienna Volksoper Orchestra
by artist: Leone Magiera
in album: Pavarotti - The Greatest Hits
  type: MusicAlbum
  date published: 2019-06-07
popularity: 30
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: GBF071401180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:18:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x226d234b7c6d434e7ed349b23b0b6a7cbc68c137a12e1c125ddc6ce91d4de143
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071401180
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x226d234b7c6d434e7ed349b23b0b6a7cbc68c137a12e1c125ddc6ce91d4de143. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBF071401180.
  date published: 2026-06-13T12:53:06Z
audio: Pagliacci / Act 1: "Vesti la giubba"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.866
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.153
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.092
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.132
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

I Pagliacci: Vesti la giubba
type: MusicRecording
duration: PT0M48S
duration ms: 48866
explicit: false
by artist: Ruggero Leoncavallo
by artist: Plácido Domingo
by artist: Nello Santi
in album: Classical Music 101
  type: MusicAlbum
  date published: 2004-09-28
popularity: 28
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: USBC10402004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:19:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90e37aa652edb9911f8657b48ec41b7606891ab52111760753c4f521f6880336
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90e37aa652edb9911f8657b48ec41b7606891ab52111760753c4f521f6880336. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402004.
  date published: 2026-06-13T13:32:09Z
audio: I Pagliacci: Vesti la giubba
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.038
  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: 0.203
  additional property: Energy
    type: PropertyValue
    value: 0.351
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.877
  additional property: Liveness
    type: PropertyValue
    value: 0.471
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.007
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci, Act I: Intermezzo
type: MusicRecording
duration: PT3M42S
duration ms: 222720
explicit: false
by artist: Ruggero Leoncavallo
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Opera Intermezzi
  type: MusicAlbum
  date published: 2007-01-01
popularity: 15
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: DEF056701270
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:46:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x308c470b8523e6b8a70e33d091a0e5e532b2769d4a93b951f939dc6bc68a98ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056701270
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308c470b8523e6b8a70e33d091a0e5e532b2769d4a93b951f939dc6bc68a98ca. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEF056701270.
  date published: 2026-06-13T12:53:06Z
audio: Pagliacci, Act I: Intermezzo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.94
  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: 0.111
  additional property: Energy
    type: PropertyValue
    value: 0.118
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.878
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.393
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 1: "Vesti la giubba"
type: MusicRecording
duration: PT2M50S
duration ms: 170596
explicit: false
by artist: Ruggero Leoncavallo
by artist: Luciano Pavarotti
by artist: Vienna Volksoper Orchestra
by artist: Leone Magiera
in album: The People's Tenor
  type: MusicAlbum
  date published: 2017-09-01
popularity: 13
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: GBF071401180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:18:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x226d234b7c6d434e7ed349b23b0b6a7cbc68c137a12e1c125ddc6ce91d4de143
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071401180
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x226d234b7c6d434e7ed349b23b0b6a7cbc68c137a12e1c125ddc6ce91d4de143. 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/GBF071401180.
  date published: 2026-07-02T03:55:08Z
audio: Pagliacci / Act 1: "Vesti la giubba"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.917
  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: 0.163
  additional property: Energy
    type: PropertyValue
    value: 0.269
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.19
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.051
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.418
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mattinata - Wien, Wien, nur du allein - Amapola - Live
type: MusicRecording
duration: PT5M49S
duration ms: 349173
explicit: false
by artist: Ruggero Leoncavallo
by artist: Rudolf Sieczynski
by artist: Joseph Maria Lacalle
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 13
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: GBBBA9050061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:08:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3425ae95104a90354f89217b5f099d4c7149ece50390870fbab678b84aa058bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA9050061
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3425ae95104a90354f89217b5f099d4c7149ece50390870fbab678b84aa058bc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA9050061.
  date published: 2026-07-02T03:30:09Z
audio: Mattinata - Wien, Wien, nur du allein - Amapola - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.173
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.341
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.954
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.272
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.33
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major