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genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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album: Verdi: La Traviata
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  date published: 1980-01-01
  track: La traviata / Act 2: Avrem lieta di maschere la notte...Di Madridi
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  track: La traviata / Act 1: Prelude
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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  track: La traviata / Act 2: Alfredo! Voi!...Or tutti a me...Ogni suo aver
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  track: La traviata / Act 1: Dell'invito trascorsa è già l'ora
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T05:09:12Z
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  track: La traviata / Act 2: Di sprezzo degno...Alfredo, Alfredo, di questo core
    type: MusicRecording
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    by artist: Giuseppe Verdi
    by artist: Matteo Manuguerra
    by artist: Luciano Pavarotti
    by artist: Della Jones
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  track: La traviata / Act 1: Libiamo ne'lieti calici
  track: La traviata / Act 3: Prelude. "Annina? Comandate?
  track: La traviata / Act 1: Che è ciò?
  track: La traviata / Act 3: Tenesta la promessa - Attendo, né a me giungon mai - Addio del passato
  track: La traviata / Act 1: Un dì felice, eterea...Si ridesta in ciel l'aurora
  track: La traviata / Act 3: Largo a quadrupede
  track: La traviata / Act 1: E strano! - Ah, fors'è lui
  track: La traviata / Act 3: Signora... Che t'accade?
  track: La traviata / Act 1: Follie! Delirio vano è questo! - Sempre libera
  track: La traviata / Act 3: Parigi, o cara...Ah! Gran Dio!
  track: La traviata / Act 2: Lunge da lei
  track: La traviata / Act 3: Ah, Violetta!...Se una pudica vergine
  track: La traviata / Act 2: De' miei bollenti spiriti...Annina, donde vieni?
  track: La traviata / Act 2: O mio rimorso!...Alfredo?
  track: La traviata / Act 2: Pura, siccome un angelo...Un dì, quando le veneri
  track: La traviata / Act 2: Dite alla giovine...Non amarlo ditegli
  track: La traviata / Act 2: Dammi tu forza, o ciel!...Ah, vive sol quel core
  track: La traviata / Act 2: Di Provenza il mar...Né risponde d'un padre...
  track: La traviata / Act 2: No, non udrai rimproveri
album: Verdi: Il Trovatore
track: La traviata / Act 1: Libiamo ne'lieti calici
track: La traviata / Act 1: "Libiamo ne' lieti calici" (Brindisi)
track: Il trovatore, Act II: Stride la vampa! – Mesta è la tua canzon!
track: La traviata / Act 1: Libiamo ne'lieti calici (Brindisi)
track: Il Trovatore / Act 2: "Vedi! le fosche notturne spoglie" (Anvil Chorus)
track: La traviata / Act 1: Dell'invito trascorsa è già l'ora
track: La traviata / Act 1: Un dì felice, eterea...Si ridesta in ciel l'aurora
track: Cavalleria rusticana: "Regina coeli laetare"
track: La traviata / Act 1: Che è ciò?
track: Dido and Aeneas - Realised: Imogen Holst & Benjamin Britten - Act 1: "Fear no danger to ensue"
track: La traviata / Act 2: Avrem lieta di maschere la notte...Di Madridi
track: La traviata / Act 2: Di sprezzo degno...Alfredo, Alfredo, di questo core
track: Miserere (Il Trovatore)
track: La traviata / Act 2: Alfredo! Voi!...Or tutti a me...Ogni suo aver
track: La traviata / Act 3: Largo a quadrupede
track: Easter Hymn (Cavalleria Rusticana)
track: Il Trovatore / Act 4: "Miserere d'un'alma"

La traviata / Act 1: Libiamo ne'lieti calici
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subject of: OpenTimestamps Proof of Existence
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La traviata / Act 3: Prelude. "Annina? Comandate?
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  type: MusicAlbum
  date published: 1980-01-01
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La traviata / Act 1: Che è ciò?
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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La traviata / Act 3: Tenesta la promessa - Attendo, né a me giungon mai - Addio del passato
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La traviata / Act 1: Un dì felice, eterea...Si ridesta in ciel l'aurora
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  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x225f7f1148437cd851e00ae3d086e0b7bf673e0514ca3d0f0773fd9d9c9149e4","isrc":"GBF077930105","name":"La traviata / Act 1: Un dì felice, eterea...Si ridesta in ciel l'aurora","registered_at":"2026-06-23T07:35:27Z","spotify_id":"65GLXpRgupetDgaL2DHejI","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225f7f1148437cd851e00ae3d086e0b7bf673e0514ca3d0f0773fd9d9c9149e4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65GLXpRgupetDgaL2DHejI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/65GLXpRgupetDgaL2DHejI.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x225f7f1148437cd851e00ae3d086e0b7bf673e0514ca3d0f0773fd9d9c9149e4","isrc":"GBF077930105","name":"La traviata / Act 1: Un dì felice, eterea...Si ridesta in ciel l'aurora","registered_at":"2026-06-23T07:35:27Z","spotify_id":"65GLXpRgupetDgaL2DHejI","type":"track"}

La traviata / Act 3: Largo a quadrupede
type: MusicRecording
duration: PT0M45S
duration ms: 45626
explicit: false
by artist: Giuseppe Verdi
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930121

La traviata / Act 1: E strano! - Ah, fors'è lui
type: MusicRecording
duration: PT6M53S
duration ms: 413600
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T01:42:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d05ddd51f2106ebfb9802db2828a32c92212b51cb6589a4d44f84435e780ac3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2K5L8iBlDjnsd3Pk3gkjyF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2K5L8iBlDjnsd3Pk3gkjyF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1d05ddd51f2106ebfb9802db2828a32c92212b51cb6589a4d44f84435e780ac3","isrc":"GBF077930106","name":"La traviata / Act 1: E strano! - Ah, fors'è lui","registered_at":"2026-06-26T01:42:56Z","spotify_id":"2K5L8iBlDjnsd3Pk3gkjyF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d05ddd51f2106ebfb9802db2828a32c92212b51cb6589a4d44f84435e780ac3. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2K5L8iBlDjnsd3Pk3gkjyF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2K5L8iBlDjnsd3Pk3gkjyF.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x1d05ddd51f2106ebfb9802db2828a32c92212b51cb6589a4d44f84435e780ac3","isrc":"GBF077930106","name":"La traviata / Act 1: E strano! - Ah, fors'è lui","registered_at":"2026-06-26T01:42:56Z","spotify_id":"2K5L8iBlDjnsd3Pk3gkjyF","type":"track"}

La traviata / Act 3: Signora... Che t'accade?
type: MusicRecording
duration: PT1M52S
duration ms: 112773
explicit: false
by artist: Giuseppe Verdi
by artist: Marjon Lambriks
by artist: Dame Joan Sutherland
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930122

La traviata / Act 1: Follie! Delirio vano è questo! - Sempre libera
type: MusicRecording
duration: PT5M3S
duration ms: 303226
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:06:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefee10d8213d091220b72ba42f73061707def261bc6c60adb923ec6ba2aa208f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/04r3YL9iIGOFoOfqy1quFX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04r3YL9iIGOFoOfqy1quFX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xefee10d8213d091220b72ba42f73061707def261bc6c60adb923ec6ba2aa208f","isrc":"GBF077930107","name":"La traviata / Act 1: Follie! Delirio vano è questo! - Sempre libera","registered_at":"2026-06-25T21:06:18Z","spotify_id":"04r3YL9iIGOFoOfqy1quFX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefee10d8213d091220b72ba42f73061707def261bc6c60adb923ec6ba2aa208f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/04r3YL9iIGOFoOfqy1quFX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04r3YL9iIGOFoOfqy1quFX.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xefee10d8213d091220b72ba42f73061707def261bc6c60adb923ec6ba2aa208f","isrc":"GBF077930107","name":"La traviata / Act 1: Follie! Delirio vano è questo! - Sempre libera","registered_at":"2026-06-25T21:06:18Z","spotify_id":"04r3YL9iIGOFoOfqy1quFX","type":"track"}

La traviata / Act 3: Parigi, o cara...Ah! Gran Dio!
type: MusicRecording
duration: PT9M58S
duration ms: 598333
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930123

La traviata / Act 2: Lunge da lei
type: MusicRecording
duration: PT2M1S
duration ms: 121906
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930108

La traviata / Act 3: Ah, Violetta!...Se una pudica vergine
type: MusicRecording
duration: PT6M41S
duration ms: 401306
explicit: false
by artist: Giuseppe Verdi
by artist: Matteo Manuguerra
by artist: Dame Joan Sutherland
by artist: Luciano Pavarotti
by artist: Marjon Lambriks
by artist: Giorgio Tadeo
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930124

La traviata / Act 2: De' miei bollenti spiriti...Annina, donde vieni?
type: MusicRecording
duration: PT2M45S
duration ms: 165400
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Marjon Lambriks
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930109

La traviata / Act 2: O mio rimorso!...Alfredo?
type: MusicRecording
duration: PT6M45S
duration ms: 405360
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: Marjon Lambriks
by artist: Ubaldo Gardini
by artist: Matteo Manuguerra
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930110

La traviata / Act 2: Pura, siccome un angelo...Un dì, quando le veneri
type: MusicRecording
duration: PT6M48S
duration ms: 408173
explicit: false
by artist: Giuseppe Verdi
by artist: Matteo Manuguerra
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930111

La traviata / Act 2: Dite alla giovine...Non amarlo ditegli
type: MusicRecording
duration: PT9M37S
duration ms: 577360
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Matteo Manuguerra
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930112

La traviata / Act 2: Dammi tu forza, o ciel!...Ah, vive sol quel core
type: MusicRecording
duration: PT6M48S
duration ms: 408133
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Marjon Lambriks
by artist: Luciano Pavarotti
by artist: Ubaldo Gardini
by artist: William Elvin
by artist: Matteo Manuguerra
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930113

La traviata / Act 2: Di Provenza il mar...Né risponde d'un padre...
type: MusicRecording
duration: PT4M32S
duration ms: 272506
explicit: false
by artist: Giuseppe Verdi
by artist: Matteo Manuguerra
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930114

La traviata / Act 2: No, non udrai rimproveri
type: MusicRecording
duration: PT3M41S
duration ms: 221693
explicit: false
by artist: Giuseppe Verdi
by artist: Matteo Manuguerra
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930115

Verdi: Il Trovatore
type: MusicAlbum
date published: 1977-01-01
track: Il trovatore, Act I: "All'erta! all'erta!"
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234066
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Nicolai Ghiaurov
  by artist: The London Opera Chorus
  by artist: National Philharmonic Orchestra
  by artist: Richard Bonynge
  in album: Verdi: Il Trovatore
    type: MusicAlbum
    date published: 1977-01-01
  isrc code: GBF077640501
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T04:34:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbc4aad1d0a21a907ff5e55db6f8393314727b6946f464f7fd5a4d49ac93d27ab
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1yP0F8XQQ8cYrWpNdLaeTX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yP0F8XQQ8cYrWpNdLaeTX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbc4aad1d0a21a907ff5e55db6f8393314727b6946f464f7fd5a4d49ac93d27ab","isrc":"GBF077640501","name":"Il trovatore, Act I: \"All'erta! all'erta!\"","registered_at":"2026-06-10T04:34:34Z","spotify_id":"1yP0F8XQQ8cYrWpNdLaeTX","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4aad1d0a21a907ff5e55db6f8393314727b6946f464f7fd5a4d49ac93d27ab. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1yP0F8XQQ8cYrWpNdLaeTX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yP0F8XQQ8cYrWpNdLaeTX.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xbc4aad1d0a21a907ff5e55db6f8393314727b6946f464f7fd5a4d49ac93d27ab","isrc":"GBF077640501","name":"Il trovatore, Act I: \"All'erta! all'erta!\"","registered_at":"2026-06-10T04:34:34Z","spotify_id":"1yP0F8XQQ8cYrWpNdLaeTX","type":"track"}
track: Il trovatore, Act III: "Or co' dadi"
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129826
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Nicolai Ghiaurov
  by artist: The London Opera Chorus
  by artist: National Philharmonic Orchestra
  by artist: Richard Bonynge
  in album: Verdi: Il Trovatore
    type: MusicAlbum
    date published: 1977-01-01
  isrc code: GBF077640519
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T03:43:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ede8653fdbc82b40b605293f08a817cf6f1797b8efd332eb722927093353ceb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6Q1eg3yVexStl7sEVwwm6W.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Q1eg3yVexStl7sEVwwm6W
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0ede8653fdbc82b40b605293f08a817cf6f1797b8efd332eb722927093353ceb","isrc":"GBF077640519","name":"Il trovatore, Act III: \"Or co' dadi\"","registered_at":"2026-06-21T03:43:24Z","spotify_id":"6Q1eg3yVexStl7sEVwwm6W","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ede8653fdbc82b40b605293f08a817cf6f1797b8efd332eb722927093353ceb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Q1eg3yVexStl7sEVwwm6W.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Q1eg3yVexStl7sEVwwm6W.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x0ede8653fdbc82b40b605293f08a817cf6f1797b8efd332eb722927093353ceb","isrc":"GBF077640519","name":"Il trovatore, Act III: \"Or co' dadi\"","registered_at":"2026-06-21T03:43:24Z","spotify_id":"6Q1eg3yVexStl7sEVwwm6W","type":"track"}
track: Il trovatore, Act I: "Di due figli"
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  duration: PT8M25S
  duration ms: 505066
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Nicolai Ghiaurov
  by artist: The London Opera Chorus
  by artist: National Philharmonic Orchestra
  by artist: Richard Bonynge
  in album: Verdi: Il Trovatore
    type: MusicAlbum
    date published: 1977-01-01
  isrc code: GBF077640502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T11:19:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1e77ae18967391a724ceccb22d802c7172de5bf44dcf8721d74e3fd32925c21b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7GmdHyOeyEg5a2pCnDnRbi.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7GmdHyOeyEg5a2pCnDnRbi
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1e77ae18967391a724ceccb22d802c7172de5bf44dcf8721d74e3fd32925c21b","isrc":"GBF077640502","name":"Il trovatore, Act I: \"Di due figli\"","registered_at":"2026-06-11T11:19:04Z","spotify_id":"7GmdHyOeyEg5a2pCnDnRbi","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T17:25:41Z
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track: Il trovatore, Act III: "Squilli, echeggi la tromba"
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  subject of: OpenTimestamps Proof of Existence
track: Il trovatore, Act I: "Che più t'arresti?"
track: Il trovatore, Act III: "In braccio al mio rival!" - "Che fu?" "Dappresso il campo"
track: Il trovatore, Act I: "Tacea la notte" - "Quanto narrasti di turbamento"
track: Il trovatore, Act III: "Giorni poveri vivea"
track: Il trovatore, Act I: "Di tale amor"
track: Il trovatore, Act III: "Quale d'armi fragor"
track: Il trovatore, Act I: "Tacea la notte!"
track: Il trovatore, Act III: "Ah sì ben mio"
track: Il trovatore, Act I: "Deserto sulla terra"
track: Il trovatore, Act III: "L'onda de'suoni mistici" - "Manrico!"
track: Il trovatore, Act I: "Infida!...Qual voce!"
track: Il trovatore, Act III: "Di quella pira"
track: Il trovatore, Act II: "Vedi! le fosche notturne spoglie" (Anvil Chorus)
track: Il trovatore, Act IV: "Siam giunti: ecco la torre"
track: Il trovatore, Act II: Stride la vampa! – Mesta è la tua canzon!
track: Il trovatore, Act IV: "D'amor sull'ali rosee"
track: Il trovatore, Act II: "Soli or siamo...Condotta ell'era in ceppi"
track: Il trovatore, Act IV: "Miserere d'un'alma"
track: Il trovatore, Act II: "Non son tuo figlio?"
track: Il trovatore, Act IV: "Tu vedrai che amore"
track: Il trovatore, Act II: "Mal reggendo all'aspro assalto"
track: Il trovatore, Act IV: "Udiste? Come albeggi" - "Abuso forse quel poter"
track: Il trovatore, Act II: "Perigliarti ancor languente"
track: Il trovatore, Act IV: "A te davanti!" Qual voce!" - "Mira, di aberce la- grime"
track: Il trovatore, Act II: "Tutto è deserto"
track: Il trovatore, Act IV: "Mira di acerbe lagrime"
track: Il trovatore, Act II: "Il balen del suo sorriso...Qual suono! o ciel!"
track: Il trovatore, Act IV: "Vivrà!...contende il giubilo"
track: Il trovatore, Act II: "Ah, se l'error t'ingombra...Perchè piangete?"
track: Il trovatore, Act IV: "Madre, non dormi?"
track: Il trovatore, Act II: "E deggio e posso crederlo?"
track: Il trovatore, Act IV: "Sì; la stanchezza m'opprime"
track: Il trovatore, Act IV: "Che! Non m'inganno! Quel fioco lume..."
track: Il trovatore, Act IV: "Parlar non vuoi?"
track: Il trovatore, Act IV: "Ti scosta!"
track: Il trovatore, Act IV: "Prima che d'altri vivere"

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89eb6e5371a7e101d1a3e0039faa994f9ef8fcd1dce1371ee14955c8b998f0dc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Ch0YSv2GsqTEKvHLCuipD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Ch0YSv2GsqTEKvHLCuipD.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x89eb6e5371a7e101d1a3e0039faa994f9ef8fcd1dce1371ee14955c8b998f0dc","isrc":"GBF077640520","name":"Il trovatore, Act III: \"Squilli, echeggi la tromba\"","registered_at":"2026-06-18T17:08:53Z","spotify_id":"7Ch0YSv2GsqTEKvHLCuipD","type":"track"}

Il trovatore, Act I: "Che più t'arresti?"
type: MusicRecording
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by artist: Giuseppe Verdi
by artist: Norma Burrowes
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by artist: National Philharmonic Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:55:08Z
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Il trovatore, Act III: "In braccio al mio rival!" - "Che fu?" "Dappresso il campo"
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by artist: Marilyn Horne
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1509c8025f6d08160a93cc8f61f2b6d3457777e0c0dad15423bf167d88ae18a8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5MsXyxuIDitwHp9ECEZIyN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5MsXyxuIDitwHp9ECEZIyN.
  date published: 2026-07-02T05:09:12Z
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Il trovatore, Act I: "Tacea la notte" - "Quanto narrasti di turbamento"
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by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Norma Burrowes
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
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isrc code: GBF077640504
additional property: CopyrightID
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e7e6e7c2a4efdcb0961aceb23af5e55088b538013cc56ccd866daa39b83342. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7mIrdCGSAgt6YmDMAgnEUG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7mIrdCGSAgt6YmDMAgnEUG.
  date published: 2026-07-02T03:55:08Z
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Il trovatore, Act III: "Giorni poveri vivea"
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duration: PT4M58S
duration ms: 298360
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by artist: Marilyn Horne
by artist: Nicolai Ghiaurov
by artist: Ingvar Wixell
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
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isrc code: GBF077640522
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-02T03:55:08Z
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Il trovatore, Act I: "Di tale amor"
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by artist: Dame Joan Sutherland
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by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa289209c9d11bfad0779e75cbed24a6e770a0cdce314bb14699923eba39a8bb4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5TusXXyDUBDJHQuWnT2ICk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5TusXXyDUBDJHQuWnT2ICk.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xa289209c9d11bfad0779e75cbed24a6e770a0cdce314bb14699923eba39a8bb4","isrc":"GBF077640505","name":"Il trovatore, Act I: \"Di tale amor\"","registered_at":"2026-06-10T18:20:41Z","spotify_id":"5TusXXyDUBDJHQuWnT2ICk","type":"track"}

Il trovatore, Act III: "Quale d'armi fragor"
type: MusicRecording
duration: PT2M9S
duration ms: 129800
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640523
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T06:36:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x454e845e4681d945608615fc9fa5a749d01c88359f7a38d2feba58d74c3a11d5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/03e8N2VJ8FQSAJN1A8o4P8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/03e8N2VJ8FQSAJN1A8o4P8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x454e845e4681d945608615fc9fa5a749d01c88359f7a38d2feba58d74c3a11d5","isrc":"GBF077640523","name":"Il trovatore, Act III: \"Quale d'armi fragor\"","registered_at":"2026-06-24T06:36:33Z","spotify_id":"03e8N2VJ8FQSAJN1A8o4P8","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x454e845e4681d945608615fc9fa5a749d01c88359f7a38d2feba58d74c3a11d5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/03e8N2VJ8FQSAJN1A8o4P8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/03e8N2VJ8FQSAJN1A8o4P8.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x454e845e4681d945608615fc9fa5a749d01c88359f7a38d2feba58d74c3a11d5","isrc":"GBF077640523","name":"Il trovatore, Act III: \"Quale d'armi fragor\"","registered_at":"2026-06-24T06:36:33Z","spotify_id":"03e8N2VJ8FQSAJN1A8o4P8","type":"track"}

Il trovatore, Act I: "Tacea la notte!"
type: MusicRecording
duration: PT2M6S
duration ms: 126800
explicit: false
by artist: Giuseppe Verdi
by artist: Ingvar Wixell
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640506
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T05:46:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xabc647a04fef17eb693e67b353559d8a0bb17d1fb8c276d6b9335e6e9cc36224
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4CRnNfdcxocjsSbOcXGZUp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CRnNfdcxocjsSbOcXGZUp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xabc647a04fef17eb693e67b353559d8a0bb17d1fb8c276d6b9335e6e9cc36224","isrc":"GBF077640506","name":"Il trovatore, Act I: \"Tacea la notte!\"","registered_at":"2026-06-19T05:46:12Z","spotify_id":"4CRnNfdcxocjsSbOcXGZUp","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc647a04fef17eb693e67b353559d8a0bb17d1fb8c276d6b9335e6e9cc36224. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4CRnNfdcxocjsSbOcXGZUp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CRnNfdcxocjsSbOcXGZUp.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xabc647a04fef17eb693e67b353559d8a0bb17d1fb8c276d6b9335e6e9cc36224","isrc":"GBF077640506","name":"Il trovatore, Act I: \"Tacea la notte!\"","registered_at":"2026-06-19T05:46:12Z","spotify_id":"4CRnNfdcxocjsSbOcXGZUp","type":"track"}

Il trovatore, Act III: "Ah sì ben mio"
type: MusicRecording
duration: PT3M0S
duration ms: 180933
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640524
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T04:58:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0d223765e1a52f087d095f719d593c4da776604a8fcda905c89b04f20795e63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0droQM0XZC0tJKEsXNWuVD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0droQM0XZC0tJKEsXNWuVD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe0d223765e1a52f087d095f719d593c4da776604a8fcda905c89b04f20795e63","isrc":"GBF077640524","name":"Il trovatore, Act III: \"Ah sì ben mio\"","registered_at":"2026-06-06T04:58:46Z","spotify_id":"0droQM0XZC0tJKEsXNWuVD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d223765e1a52f087d095f719d593c4da776604a8fcda905c89b04f20795e63. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0droQM0XZC0tJKEsXNWuVD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0droQM0XZC0tJKEsXNWuVD.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xe0d223765e1a52f087d095f719d593c4da776604a8fcda905c89b04f20795e63","isrc":"GBF077640524","name":"Il trovatore, Act III: \"Ah sì ben mio\"","registered_at":"2026-06-06T04:58:46Z","spotify_id":"0droQM0XZC0tJKEsXNWuVD","type":"track"}

Il trovatore, Act I: "Deserto sulla terra"
type: MusicRecording
duration: PT2M4S
duration ms: 124600
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Ingvar Wixell
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640507
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:09:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc9a199729f80308baac6a22390cabca1e6c3f710d4c39ca8262248eab6ee0d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7xyhSn0YM77DdxCYADvV32.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xyhSn0YM77DdxCYADvV32
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcc9a199729f80308baac6a22390cabca1e6c3f710d4c39ca8262248eab6ee0d9","isrc":"GBF077640507","name":"Il trovatore, Act I: \"Deserto sulla terra\"","registered_at":"2026-06-18T17:09:21Z","spotify_id":"7xyhSn0YM77DdxCYADvV32","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc9a199729f80308baac6a22390cabca1e6c3f710d4c39ca8262248eab6ee0d9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xyhSn0YM77DdxCYADvV32.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xyhSn0YM77DdxCYADvV32.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xcc9a199729f80308baac6a22390cabca1e6c3f710d4c39ca8262248eab6ee0d9","isrc":"GBF077640507","name":"Il trovatore, Act I: \"Deserto sulla terra\"","registered_at":"2026-06-18T17:09:21Z","spotify_id":"7xyhSn0YM77DdxCYADvV32","type":"track"}

Il trovatore, Act III: "L'onda de'suoni mistici" - "Manrico!"
type: MusicRecording
duration: PT1M54S
duration ms: 114933
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: Graham Clark
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640525
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:18:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86d67d6edf441e3e8dc692a8335cfccd57aab0625be675b712a0454277177f80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/55wRdoJUFTE0mrf2mH8RbD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55wRdoJUFTE0mrf2mH8RbD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x86d67d6edf441e3e8dc692a8335cfccd57aab0625be675b712a0454277177f80","isrc":"GBF077640525","name":"Il trovatore, Act III: \"L'onda de'suoni mistici\" - \"Manrico!\"","registered_at":"2026-06-20T22:18:01Z","spotify_id":"55wRdoJUFTE0mrf2mH8RbD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d67d6edf441e3e8dc692a8335cfccd57aab0625be675b712a0454277177f80. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55wRdoJUFTE0mrf2mH8RbD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55wRdoJUFTE0mrf2mH8RbD.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x86d67d6edf441e3e8dc692a8335cfccd57aab0625be675b712a0454277177f80","isrc":"GBF077640525","name":"Il trovatore, Act III: \"L'onda de'suoni mistici\" - \"Manrico!\"","registered_at":"2026-06-20T22:18:01Z","spotify_id":"55wRdoJUFTE0mrf2mH8RbD","type":"track"}

Il trovatore, Act I: "Infida!...Qual voce!"
type: MusicRecording
duration: PT4M6S
duration ms: 246400
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: Ingvar Wixell
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:08:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26bd4ad8abe63da93ccf84dd8ee4a72ba972d849fc2a41143dc6aa8bf3d146c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5xfRdeJkOWfTZNi576CBl5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xfRdeJkOWfTZNi576CBl5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x26bd4ad8abe63da93ccf84dd8ee4a72ba972d849fc2a41143dc6aa8bf3d146c9","isrc":"GBF077640508","name":"Il trovatore, Act I: \"Infida!...Qual voce!\"","registered_at":"2026-06-18T17:08:37Z","spotify_id":"5xfRdeJkOWfTZNi576CBl5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26bd4ad8abe63da93ccf84dd8ee4a72ba972d849fc2a41143dc6aa8bf3d146c9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xfRdeJkOWfTZNi576CBl5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xfRdeJkOWfTZNi576CBl5.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x26bd4ad8abe63da93ccf84dd8ee4a72ba972d849fc2a41143dc6aa8bf3d146c9","isrc":"GBF077640508","name":"Il trovatore, Act I: \"Infida!...Qual voce!\"","registered_at":"2026-06-18T17:08:37Z","spotify_id":"5xfRdeJkOWfTZNi576CBl5","type":"track"}

Il trovatore, Act III: "Di quella pira"
type: MusicRecording
duration: PT3M20S
duration ms: 200173
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640526
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:40:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd25b55b1c10501b1cc7bbc26bfebb717f191b6b84b0f2da022fca4a8f5157433
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/75SwiyiGTxNWqt3TFqSquu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/75SwiyiGTxNWqt3TFqSquu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd25b55b1c10501b1cc7bbc26bfebb717f191b6b84b0f2da022fca4a8f5157433","isrc":"GBF077640526","name":"Il trovatore, Act III: \"Di quella pira\"","registered_at":"2026-06-08T12:40:47Z","spotify_id":"75SwiyiGTxNWqt3TFqSquu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-06-13T15:41:10Z
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Il trovatore, Act II: "Vedi! le fosche notturne spoglie" (Anvil Chorus)
type: MusicRecording
duration: PT2M50S
duration ms: 170426
explicit: false
by artist: Giuseppe Verdi
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640509
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:00:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab62216f2ef0ccecd8d01ad23fcabc6c85fe04f0e68cded33fc35b5513fa0aec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3KkYGz3w5jw24IKaFbIq6k.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KkYGz3w5jw24IKaFbIq6k
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xab62216f2ef0ccecd8d01ad23fcabc6c85fe04f0e68cded33fc35b5513fa0aec","isrc":"GBF077640509","name":"Il trovatore, Act II: \"Vedi! le fosche notturne spoglie\" (Anvil Chorus)","registered_at":"2026-06-04T15:00:49Z","spotify_id":"3KkYGz3w5jw24IKaFbIq6k","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab62216f2ef0ccecd8d01ad23fcabc6c85fe04f0e68cded33fc35b5513fa0aec. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KkYGz3w5jw24IKaFbIq6k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KkYGz3w5jw24IKaFbIq6k.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xab62216f2ef0ccecd8d01ad23fcabc6c85fe04f0e68cded33fc35b5513fa0aec","isrc":"GBF077640509","name":"Il trovatore, Act II: \"Vedi! le fosche notturne spoglie\" (Anvil Chorus)","registered_at":"2026-06-04T15:00:49Z","spotify_id":"3KkYGz3w5jw24IKaFbIq6k","type":"track"}

Il trovatore, Act IV: "Siam giunti: ecco la torre"
type: MusicRecording
duration: PT3M9S
duration ms: 189600
explicit: false
by artist: Giuseppe Verdi
by artist: Graham Clark
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:38:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec2b359902f6abccb360629779978d55843e81039286f9316dcff114559448dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4rWLHskfOCzSkWSsXIQb3U.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rWLHskfOCzSkWSsXIQb3U
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xec2b359902f6abccb360629779978d55843e81039286f9316dcff114559448dd","isrc":"GBF077640527","name":"Il trovatore, Act IV: \"Siam giunti: ecco la torre\"","registered_at":"2026-06-23T07:38:49Z","spotify_id":"4rWLHskfOCzSkWSsXIQb3U","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2b359902f6abccb360629779978d55843e81039286f9316dcff114559448dd. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4rWLHskfOCzSkWSsXIQb3U.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rWLHskfOCzSkWSsXIQb3U.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xec2b359902f6abccb360629779978d55843e81039286f9316dcff114559448dd","isrc":"GBF077640527","name":"Il trovatore, Act IV: \"Siam giunti: ecco la torre\"","registered_at":"2026-06-23T07:38:49Z","spotify_id":"4rWLHskfOCzSkWSsXIQb3U","type":"track"}

Il trovatore, Act II: Stride la vampa! – Mesta è la tua canzon!
type: MusicRecording
duration: PT5M15S
duration ms: 315040
explicit: false
by artist: Giuseppe Verdi
by artist: Marilyn Horne
by artist: Luciano Pavarotti
by artist: Peter Knapp
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T04:32:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6bbea1167450a4686a195db1c7093002030f5a78849655e8b4ae7b9377f14d8b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2MsKUWehX8Jcy5R5D7r5XY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MsKUWehX8Jcy5R5D7r5XY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6bbea1167450a4686a195db1c7093002030f5a78849655e8b4ae7b9377f14d8b","isrc":"GBF077640510","name":"Il trovatore, Act II: Stride la vampa! – Mesta è la tua canzon!","registered_at":"2026-06-10T04:32:04Z","spotify_id":"2MsKUWehX8Jcy5R5D7r5XY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bbea1167450a4686a195db1c7093002030f5a78849655e8b4ae7b9377f14d8b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MsKUWehX8Jcy5R5D7r5XY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MsKUWehX8Jcy5R5D7r5XY.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x6bbea1167450a4686a195db1c7093002030f5a78849655e8b4ae7b9377f14d8b","isrc":"GBF077640510","name":"Il trovatore, Act II: Stride la vampa! – Mesta è la tua canzon!","registered_at":"2026-06-10T04:32:04Z","spotify_id":"2MsKUWehX8Jcy5R5D7r5XY","type":"track"}

Il trovatore, Act IV: "D'amor sull'ali rosee"
type: MusicRecording
duration: PT3M48S
duration ms: 228733
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640528
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T02:52:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed060973151a8db5574919e2cb89d679986fa99cd2614f74186bbc96d235eb9c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6u9huT52JMw1gFMmPkIIlt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6u9huT52JMw1gFMmPkIIlt
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xed060973151a8db5574919e2cb89d679986fa99cd2614f74186bbc96d235eb9c","isrc":"GBF077640528","name":"Il trovatore, Act IV: \"D'amor sull'ali rosee\"","registered_at":"2026-06-22T02:52:15Z","spotify_id":"6u9huT52JMw1gFMmPkIIlt","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed060973151a8db5574919e2cb89d679986fa99cd2614f74186bbc96d235eb9c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6u9huT52JMw1gFMmPkIIlt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6u9huT52JMw1gFMmPkIIlt.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xed060973151a8db5574919e2cb89d679986fa99cd2614f74186bbc96d235eb9c","isrc":"GBF077640528","name":"Il trovatore, Act IV: \"D'amor sull'ali rosee\"","registered_at":"2026-06-22T02:52:15Z","spotify_id":"6u9huT52JMw1gFMmPkIIlt","type":"track"}

Il trovatore, Act II: "Soli or siamo...Condotta ell'era in ceppi"
type: MusicRecording
duration: PT6M16S
duration ms: 376426
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Marilyn Horne
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:19:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeae7374097d42d16bf67c405c2f1e1a7efbba865acf5985c8144bc8ce7dd2b90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5kP2OHlCVrqvesaFLsA2gG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5kP2OHlCVrqvesaFLsA2gG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeae7374097d42d16bf67c405c2f1e1a7efbba865acf5985c8144bc8ce7dd2b90","isrc":"GBF077640511","name":"Il trovatore, Act II: \"Soli or siamo...Condotta ell'era in ceppi\"","registered_at":"2026-06-19T12:19:35Z","spotify_id":"5kP2OHlCVrqvesaFLsA2gG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeae7374097d42d16bf67c405c2f1e1a7efbba865acf5985c8144bc8ce7dd2b90. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5kP2OHlCVrqvesaFLsA2gG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5kP2OHlCVrqvesaFLsA2gG.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xeae7374097d42d16bf67c405c2f1e1a7efbba865acf5985c8144bc8ce7dd2b90","isrc":"GBF077640511","name":"Il trovatore, Act II: \"Soli or siamo...Condotta ell'era in ceppi\"","registered_at":"2026-06-19T12:19:35Z","spotify_id":"5kP2OHlCVrqvesaFLsA2gG","type":"track"}

Il trovatore, Act IV: "Miserere d'un'alma"
type: MusicRecording
duration: PT5M16S
duration ms: 316426
explicit: false
by artist: Giuseppe Verdi
by artist: The London Opera Chorus
by artist: Dame Joan Sutherland
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640529
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T03:42:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x07aa4b4d7d998da26f84926ad4ac110a422012409996eb41470025aa949d49bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1C3RqiZ2yAlaG1tbyABJeh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1C3RqiZ2yAlaG1tbyABJeh
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x07aa4b4d7d998da26f84926ad4ac110a422012409996eb41470025aa949d49bd","isrc":"GBF077640529","name":"Il trovatore, Act IV: \"Miserere d'un'alma\"","registered_at":"2026-06-21T03:42:26Z","spotify_id":"1C3RqiZ2yAlaG1tbyABJeh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07aa4b4d7d998da26f84926ad4ac110a422012409996eb41470025aa949d49bd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1C3RqiZ2yAlaG1tbyABJeh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1C3RqiZ2yAlaG1tbyABJeh.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x07aa4b4d7d998da26f84926ad4ac110a422012409996eb41470025aa949d49bd","isrc":"GBF077640529","name":"Il trovatore, Act IV: \"Miserere d'un'alma\"","registered_at":"2026-06-21T03:42:26Z","spotify_id":"1C3RqiZ2yAlaG1tbyABJeh","type":"track"}

Il trovatore, Act II: "Non son tuo figlio?"
type: MusicRecording
duration: PT2M30S
duration ms: 150440
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Marilyn Horne
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:16:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ba46121e3e9452882ae0b23d61fd3adeae1315bd3eec0390b96b58cf050413e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4wvxPodRLAnHwXk1ly0bxv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4wvxPodRLAnHwXk1ly0bxv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1ba46121e3e9452882ae0b23d61fd3adeae1315bd3eec0390b96b58cf050413e","isrc":"GBF077640512","name":"Il trovatore, Act II: \"Non son tuo figlio?\"","registered_at":"2026-06-20T07:16:43Z","spotify_id":"4wvxPodRLAnHwXk1ly0bxv","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:55:08Z
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Il trovatore, Act IV: "Tu vedrai che amore"
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duration: PT3M50S
duration ms: 230133
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
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isrc code: GBF077640530
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xedbee3ebe32392e670a645a4ba0dd96eeeab85cb3b511a334138b0b9709dc0f6
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/07x0ZO3Cx1QPa1QFHqJyQ0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07x0ZO3Cx1QPa1QFHqJyQ0
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedbee3ebe32392e670a645a4ba0dd96eeeab85cb3b511a334138b0b9709dc0f6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/07x0ZO3Cx1QPa1QFHqJyQ0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07x0ZO3Cx1QPa1QFHqJyQ0.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xedbee3ebe32392e670a645a4ba0dd96eeeab85cb3b511a334138b0b9709dc0f6","isrc":"GBF077640530","name":"Il trovatore, Act IV: \"Tu vedrai che amore\"","registered_at":"2026-06-24T14:29:29Z","spotify_id":"07x0ZO3Cx1QPa1QFHqJyQ0","type":"track"}

Il trovatore, Act II: "Mal reggendo all'aspro assalto"
type: MusicRecording
duration: PT4M32S
duration ms: 272533
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Marilyn Horne
by artist: Wynford Evans
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640513
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b7ab164c749fd81866329f7db417bd104209fc2e34d1aac45a03b0590cf536. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5qGTdhESxS1isHbrSlyJZx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5qGTdhESxS1isHbrSlyJZx.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x75b7ab164c749fd81866329f7db417bd104209fc2e34d1aac45a03b0590cf536","isrc":"GBF077640513","name":"Il trovatore, Act II: \"Mal reggendo all'aspro assalto\"","registered_at":"2026-06-19T12:21:49Z","spotify_id":"5qGTdhESxS1isHbrSlyJZx","type":"track"}

Il trovatore, Act IV: "Udiste? Come albeggi" - "Abuso forse quel poter"
type: MusicRecording
duration: PT0M57S
duration ms: 57773
explicit: false
by artist: Giuseppe Verdi
by artist: Ingvar Wixell
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640531
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:05:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec08bfb82d69b3a1f193cdd6994589f8852fac96f4218e72367fb40871975e2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KsMaIt48AxxwGznguKrOd
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec08bfb82d69b3a1f193cdd6994589f8852fac96f4218e72367fb40871975e2f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1KsMaIt48AxxwGznguKrOd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KsMaIt48AxxwGznguKrOd.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xec08bfb82d69b3a1f193cdd6994589f8852fac96f4218e72367fb40871975e2f","isrc":"GBF077640531","name":"Il trovatore, Act IV: \"Udiste? Come albeggi\" - \"Abuso forse quel poter\"","registered_at":"2026-06-25T21:05:01Z","spotify_id":"1KsMaIt48AxxwGznguKrOd","type":"track"}

Il trovatore, Act II: "Perigliarti ancor languente"
type: MusicRecording
duration: PT2M28S
duration ms: 148426
explicit: false
by artist: Giuseppe Verdi
by artist: Marilyn Horne
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T03:46:34+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x567e1ec91e8669a9ca206a9347753a07194fd4e5ccd765a61ec04e6913324132
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x567e1ec91e8669a9ca206a9347753a07194fd4e5ccd765a61ec04e6913324132. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5wOtexCPYQVbvABq0pWllD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5wOtexCPYQVbvABq0pWllD.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x567e1ec91e8669a9ca206a9347753a07194fd4e5ccd765a61ec04e6913324132","isrc":"GBF077640514","name":"Il trovatore, Act II: \"Perigliarti ancor languente\"","registered_at":"2026-06-21T03:46:34Z","spotify_id":"5wOtexCPYQVbvABq0pWllD","type":"track"}

Il trovatore, Act IV: "A te davanti!" Qual voce!" - "Mira, di aberce la- grime"
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duration: PT0M55S
duration ms: 55426
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Ingvar Wixell
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640532
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T14:28:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/37Q3ft8FnvrqhhawyvTeNF.json
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ba9ef4db420fe1ca2380cae118e8791494aa8c2694f7556cc00976ae63a41e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/37Q3ft8FnvrqhhawyvTeNF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/37Q3ft8FnvrqhhawyvTeNF.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x71ba9ef4db420fe1ca2380cae118e8791494aa8c2694f7556cc00976ae63a41e","isrc":"GBF077640532","name":"Il trovatore, Act IV: \"A te davanti!\" Qual voce!\" - \"Mira, di aberce la- grime\"","registered_at":"2026-06-24T14:28:33Z","spotify_id":"37Q3ft8FnvrqhhawyvTeNF","type":"track"}

Il trovatore, Act II: "Tutto è deserto"
type: MusicRecording
duration: PT1M43S
duration ms: 103106
explicit: false
by artist: Giuseppe Verdi
by artist: Ingvar Wixell
by artist: Nicolai Ghiaurov
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T03:48:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc436efc7cd4822e69699ce5998651decc2dd7391b0621ccd14132f49f1ed5347
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1pI8VIQUHq2HOCVWdC6xFv.json
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc436efc7cd4822e69699ce5998651decc2dd7391b0621ccd14132f49f1ed5347. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pI8VIQUHq2HOCVWdC6xFv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pI8VIQUHq2HOCVWdC6xFv.
  date published: 2026-07-02T03:55:08Z
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Il trovatore, Act IV: "Mira di acerbe lagrime"
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duration: PT3M37S
duration ms: 217800
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Ingvar Wixell
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640533
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0nNHMuvDnSwtfS1FVzTCcl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nNHMuvDnSwtfS1FVzTCcl
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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Il trovatore, Act II: "Il balen del suo sorriso...Qual suono! o ciel!"
type: MusicRecording
duration: PT6M47S
duration ms: 407760
explicit: false
by artist: Giuseppe Verdi
by artist: Ingvar Wixell
by artist: Nicolai Ghiaurov
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
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isrc code: GBF077640516
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:26:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25bae8d952913aad7898d5e2ab50dcf3c6a313e7e08f0568392020da57ebbb54
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6Bpizp0r5kawJiW0kQ9ivO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Bpizp0r5kawJiW0kQ9ivO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25bae8d952913aad7898d5e2ab50dcf3c6a313e7e08f0568392020da57ebbb54. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Bpizp0r5kawJiW0kQ9ivO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Bpizp0r5kawJiW0kQ9ivO.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x25bae8d952913aad7898d5e2ab50dcf3c6a313e7e08f0568392020da57ebbb54","isrc":"GBF077640516","name":"Il trovatore, Act II: \"Il balen del suo sorriso...Qual suono! o ciel!\"","registered_at":"2026-06-19T12:26:51Z","spotify_id":"6Bpizp0r5kawJiW0kQ9ivO","type":"track"}

Il trovatore, Act IV: "Vivrà!...contende il giubilo"
type: MusicRecording
duration: PT2M7S
duration ms: 127733
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Ingvar Wixell
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640534
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:06:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6594864d05ae8dc6278ddd124723132699525e75eb426da5c5a1250f54c63eb6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7xpB4rN7ExrJzcTDpnOWqg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xpB4rN7ExrJzcTDpnOWqg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6594864d05ae8dc6278ddd124723132699525e75eb426da5c5a1250f54c63eb6","isrc":"GBF077640534","name":"Il trovatore, Act IV: \"Vivrà!...contende il giubilo\"","registered_at":"2026-06-23T10:06:54Z","spotify_id":"7xpB4rN7ExrJzcTDpnOWqg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6594864d05ae8dc6278ddd124723132699525e75eb426da5c5a1250f54c63eb6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xpB4rN7ExrJzcTDpnOWqg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xpB4rN7ExrJzcTDpnOWqg.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6594864d05ae8dc6278ddd124723132699525e75eb426da5c5a1250f54c63eb6","isrc":"GBF077640534","name":"Il trovatore, Act IV: \"Vivrà!...contende il giubilo\"","registered_at":"2026-06-23T10:06:54Z","spotify_id":"7xpB4rN7ExrJzcTDpnOWqg","type":"track"}

Il trovatore, Act II: "Ah, se l'error t'ingombra...Perchè piangete?"
type: MusicRecording
duration: PT5M1S
duration ms: 301173
explicit: false
by artist: Giuseppe Verdi
by artist: The London Opera Chorus
by artist: Ingvar Wixell
by artist: Nicolai Ghiaurov
by artist: Dame Joan Sutherland
by artist: Norma Burrowes
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:16:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4abc5a20d3c326345c3dba71da4a2b99fb72b1ff9482f0a3ab987d4c7868a2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3N05genNA4hS6S6BRZfFvZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3N05genNA4hS6S6BRZfFvZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd4abc5a20d3c326345c3dba71da4a2b99fb72b1ff9482f0a3ab987d4c7868a2f","isrc":"GBF077640517","name":"Il trovatore, Act II: \"Ah, se l'error t'ingombra...Perchè piangete?\"","registered_at":"2026-06-21T18:16:25Z","spotify_id":"3N05genNA4hS6S6BRZfFvZ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4abc5a20d3c326345c3dba71da4a2b99fb72b1ff9482f0a3ab987d4c7868a2f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3N05genNA4hS6S6BRZfFvZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3N05genNA4hS6S6BRZfFvZ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd4abc5a20d3c326345c3dba71da4a2b99fb72b1ff9482f0a3ab987d4c7868a2f","isrc":"GBF077640517","name":"Il trovatore, Act II: \"Ah, se l'error t'ingombra...Perchè piangete?\"","registered_at":"2026-06-21T18:16:25Z","spotify_id":"3N05genNA4hS6S6BRZfFvZ","type":"track"}

Il trovatore, Act IV: "Madre, non dormi?"
type: MusicRecording
duration: PT5M32S
duration ms: 332866
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Marilyn Horne
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640535
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T14:40:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67e07d63719b288cc962262251ba84a69f1eccfd61e189b6e6f9b90d14c62c4f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2wyB0pFAWvmF1ggOUgqhkL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wyB0pFAWvmF1ggOUgqhkL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x67e07d63719b288cc962262251ba84a69f1eccfd61e189b6e6f9b90d14c62c4f","isrc":"GBF077640535","name":"Il trovatore, Act IV: \"Madre, non dormi?\"","registered_at":"2026-06-24T14:40:10Z","spotify_id":"2wyB0pFAWvmF1ggOUgqhkL","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e07d63719b288cc962262251ba84a69f1eccfd61e189b6e6f9b90d14c62c4f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wyB0pFAWvmF1ggOUgqhkL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wyB0pFAWvmF1ggOUgqhkL.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x67e07d63719b288cc962262251ba84a69f1eccfd61e189b6e6f9b90d14c62c4f","isrc":"GBF077640535","name":"Il trovatore, Act IV: \"Madre, non dormi?\"","registered_at":"2026-06-24T14:40:10Z","spotify_id":"2wyB0pFAWvmF1ggOUgqhkL","type":"track"}

Il trovatore, Act II: "E deggio e posso crederlo?"
type: MusicRecording
duration: PT4M47S
duration ms: 287266
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Ingvar Wixell
by artist: Luciano Pavarotti
by artist: Norma Burrowes
by artist: Nicolai Ghiaurov
by artist: Graham Clark
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640518
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:36:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27ae6face1adadb1d92a1c49d19628ffc31e863d99739d8187acec7f208d6123
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/785cL6gWseqeSNOeVWAO13.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/785cL6gWseqeSNOeVWAO13
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x27ae6face1adadb1d92a1c49d19628ffc31e863d99739d8187acec7f208d6123","isrc":"GBF077640518","name":"Il trovatore, Act II: \"E deggio e posso crederlo?\"","registered_at":"2026-06-20T08:36:49Z","spotify_id":"785cL6gWseqeSNOeVWAO13","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27ae6face1adadb1d92a1c49d19628ffc31e863d99739d8187acec7f208d6123. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/785cL6gWseqeSNOeVWAO13.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/785cL6gWseqeSNOeVWAO13.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x27ae6face1adadb1d92a1c49d19628ffc31e863d99739d8187acec7f208d6123","isrc":"GBF077640518","name":"Il trovatore, Act II: \"E deggio e posso crederlo?\"","registered_at":"2026-06-20T08:36:49Z","spotify_id":"785cL6gWseqeSNOeVWAO13","type":"track"}

Il trovatore, Act IV: "Sì; la stanchezza m'opprime"
type: MusicRecording
duration: PT3M35S
duration ms: 215066
explicit: false
by artist: Giuseppe Verdi
by artist: Marilyn Horne
by artist: Luciano Pavarotti
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640536
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:05:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd2514006969fa24b52c5c9e121938116f066c819e13da174897ea7dfa34d59d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1jaN4NwrLHh3j62AXXPwKQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1jaN4NwrLHh3j62AXXPwKQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd2514006969fa24b52c5c9e121938116f066c819e13da174897ea7dfa34d59d7","isrc":"GBF077640536","name":"Il trovatore, Act IV: \"Sì; la stanchezza m'opprime\"","registered_at":"2026-06-25T21:05:30Z","spotify_id":"1jaN4NwrLHh3j62AXXPwKQ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2514006969fa24b52c5c9e121938116f066c819e13da174897ea7dfa34d59d7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1jaN4NwrLHh3j62AXXPwKQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1jaN4NwrLHh3j62AXXPwKQ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd2514006969fa24b52c5c9e121938116f066c819e13da174897ea7dfa34d59d7","isrc":"GBF077640536","name":"Il trovatore, Act IV: \"Sì; la stanchezza m'opprime\"","registered_at":"2026-06-25T21:05:30Z","spotify_id":"1jaN4NwrLHh3j62AXXPwKQ","type":"track"}

Il trovatore, Act IV: "Che! Non m'inganno! Quel fioco lume..."
type: MusicRecording
duration: PT1M17S
duration ms: 77173
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640537
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T04:56:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28bc59189416799902361b860178d0aade11bd0e4e88615445d88f2c1015a16d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6SeKtZkLxx9UmSI3SO3c8h.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SeKtZkLxx9UmSI3SO3c8h
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28bc59189416799902361b860178d0aade11bd0e4e88615445d88f2c1015a16d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SeKtZkLxx9UmSI3SO3c8h.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SeKtZkLxx9UmSI3SO3c8h.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x28bc59189416799902361b860178d0aade11bd0e4e88615445d88f2c1015a16d","isrc":"GBF077640537","name":"Il trovatore, Act IV: \"Che! Non m'inganno! Quel fioco lume...\"","registered_at":"2026-06-27T04:56:33Z","spotify_id":"6SeKtZkLxx9UmSI3SO3c8h","type":"track"}

Il trovatore, Act IV: "Parlar non vuoi?"
type: MusicRecording
duration: PT3M14S
duration ms: 194960
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: Marilyn Horne
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640538
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:06:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6230e455a2dc96860878e800973502954010f739a48ee12324bf2fa44afda281
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/73kCLtsTuiLXyhJPLMsZ8W.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73kCLtsTuiLXyhJPLMsZ8W
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6230e455a2dc96860878e800973502954010f739a48ee12324bf2fa44afda281","isrc":"GBF077640538","name":"Il trovatore, Act IV: \"Parlar non vuoi?\"","registered_at":"2026-06-25T21:06:52Z","spotify_id":"73kCLtsTuiLXyhJPLMsZ8W","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6230e455a2dc96860878e800973502954010f739a48ee12324bf2fa44afda281. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/73kCLtsTuiLXyhJPLMsZ8W.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73kCLtsTuiLXyhJPLMsZ8W.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6230e455a2dc96860878e800973502954010f739a48ee12324bf2fa44afda281","isrc":"GBF077640538","name":"Il trovatore, Act IV: \"Parlar non vuoi?\"","registered_at":"2026-06-25T21:06:52Z","spotify_id":"73kCLtsTuiLXyhJPLMsZ8W","type":"track"}

Il trovatore, Act IV: "Ti scosta!"
type: MusicRecording
duration: PT1M13S
duration ms: 73906
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640539
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T04:57:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc99aa8b6e839d0ffcfca70f57a362ca894f43782eb97f30f59b59e2f997babff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5i48GIkhcsr5nQhElCRCMW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5i48GIkhcsr5nQhElCRCMW
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc99aa8b6e839d0ffcfca70f57a362ca894f43782eb97f30f59b59e2f997babff. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5i48GIkhcsr5nQhElCRCMW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5i48GIkhcsr5nQhElCRCMW.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xc99aa8b6e839d0ffcfca70f57a362ca894f43782eb97f30f59b59e2f997babff","isrc":"GBF077640539","name":"Il trovatore, Act IV: \"Ti scosta!\"","registered_at":"2026-06-27T04:57:59Z","spotify_id":"5i48GIkhcsr5nQhElCRCMW","type":"track"}

Il trovatore, Act IV: "Prima che d'altri vivere"
type: MusicRecording
duration: PT3M52S
duration ms: 232106
explicit: false
by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Luciano Pavarotti
by artist: Ingvar Wixell
by artist: Marilyn Horne
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T14:32:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1de04921260e9681a7bfc5a97589771cae3d49279e5f86d0b16e4fe26af5a13e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2ZCqpkkbVpn0hJF4zZYKpu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ZCqpkkbVpn0hJF4zZYKpu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1de04921260e9681a7bfc5a97589771cae3d49279e5f86d0b16e4fe26af5a13e","isrc":"GBF077640540","name":"Il trovatore, Act IV: \"Prima che d'altri vivere\"","registered_at":"2026-06-24T14:32:06Z","spotify_id":"2ZCqpkkbVpn0hJF4zZYKpu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1de04921260e9681a7bfc5a97589771cae3d49279e5f86d0b16e4fe26af5a13e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ZCqpkkbVpn0hJF4zZYKpu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ZCqpkkbVpn0hJF4zZYKpu.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x1de04921260e9681a7bfc5a97589771cae3d49279e5f86d0b16e4fe26af5a13e","isrc":"GBF077640540","name":"Il trovatore, Act IV: \"Prima che d'altri vivere\"","registered_at":"2026-06-24T14:32:06Z","spotify_id":"2ZCqpkkbVpn0hJF4zZYKpu","type":"track"}

La traviata / Act 1: Libiamo ne'lieti calici
type: MusicRecording
duration: PT2M47S
duration ms: 167026
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: La Traviata
  type: MusicAlbum
  date published: 1980-01-01
isrc code: GBF077930103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:09:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x772b3d633787c096b1a297238657463038dab46aa96e8df0cf6101f7306d7964
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/49MaeQHQvaHG8CXS99kR6Q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/49MaeQHQvaHG8CXS99kR6Q
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x772b3d633787c096b1a297238657463038dab46aa96e8df0cf6101f7306d7964","isrc":"GBF077930103","name":"La traviata / Act 1: Libiamo ne'lieti calici","registered_at":"2026-06-04T07:09:04Z","spotify_id":"49MaeQHQvaHG8CXS99kR6Q","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772b3d633787c096b1a297238657463038dab46aa96e8df0cf6101f7306d7964. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/49MaeQHQvaHG8CXS99kR6Q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/49MaeQHQvaHG8CXS99kR6Q.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x772b3d633787c096b1a297238657463038dab46aa96e8df0cf6101f7306d7964","isrc":"GBF077930103","name":"La traviata / Act 1: Libiamo ne'lieti calici","registered_at":"2026-06-04T07:09:04Z","spotify_id":"49MaeQHQvaHG8CXS99kR6Q","type":"track"}

La traviata / Act 1: "Libiamo ne' lieti calici" (Brindisi)
type: MusicRecording
duration: PT2M49S
duration ms: 169040
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Pavarotti - The Greatest Hits
  type: MusicAlbum
  date published: 2019-06-07
isrc code: GBF077600010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T01:53:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6d7a0ee1e0e00ae762d3bfca541ae93770a8e0e5832e6786a23922c4c99548c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2XnwH7KlQMzthetP2OqBfz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XnwH7KlQMzthetP2OqBfz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc6d7a0ee1e0e00ae762d3bfca541ae93770a8e0e5832e6786a23922c4c99548c","isrc":"GBF077600010","name":"La traviata / Act 1: \"Libiamo ne' lieti calici\" (Brindisi)","registered_at":"2026-06-08T01:53:27Z","spotify_id":"2XnwH7KlQMzthetP2OqBfz","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6d7a0ee1e0e00ae762d3bfca541ae93770a8e0e5832e6786a23922c4c99548c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2XnwH7KlQMzthetP2OqBfz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XnwH7KlQMzthetP2OqBfz.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xc6d7a0ee1e0e00ae762d3bfca541ae93770a8e0e5832e6786a23922c4c99548c","isrc":"GBF077600010","name":"La traviata / Act 1: \"Libiamo ne' lieti calici\" (Brindisi)","registered_at":"2026-06-08T01:53:27Z","spotify_id":"2XnwH7KlQMzthetP2OqBfz","type":"track"}

Il trovatore, Act II: Stride la vampa! – Mesta è la tua canzon!
type: MusicRecording
duration: PT5M15S
duration ms: 315040
explicit: false
by artist: Giuseppe Verdi
by artist: Marilyn Horne
by artist: Luciano Pavarotti
by artist: Peter Knapp
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: Verdi: Il Trovatore
  type: MusicAlbum
  date published: 1977-01-01
isrc code: GBF077640510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T04:32:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6bbea1167450a4686a195db1c7093002030f5a78849655e8b4ae7b9377f14d8b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2MsKUWehX8Jcy5R5D7r5XY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MsKUWehX8Jcy5R5D7r5XY
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bbea1167450a4686a195db1c7093002030f5a78849655e8b4ae7b9377f14d8b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MsKUWehX8Jcy5R5D7r5XY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MsKUWehX8Jcy5R5D7r5XY.
  date published: 2026-06-13T13:32:09Z
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La traviata / Act 1: Libiamo ne'lieti calici (Brindisi)
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duration: PT2M52S
duration ms: 172889
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
in album: The People's Tenor
  type: MusicAlbum
  date published: 2017-09-01
isrc code: GBF071401270
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-06T07:53:57Z
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Il Trovatore / Act 2: "Vedi! le fosche notturne spoglie" (Anvil Chorus)
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by artist: Giuseppe Verdi
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
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additional property: OTSHash
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T11:38:34Z
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La traviata / Act 1: Dell'invito trascorsa è già l'ora
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by artist: Dame Joan Sutherland
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by artist: Luciano Pavarotti
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by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T05:09:12Z
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La traviata / Act 1: Un dì felice, eterea...Si ridesta in ciel l'aurora
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duration: PT6M10S
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by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: Alexander Oliver
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225f7f1148437cd851e00ae3d086e0b7bf673e0514ca3d0f0773fd9d9c9149e4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65GLXpRgupetDgaL2DHejI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/65GLXpRgupetDgaL2DHejI.
  date published: 2026-07-02T05:09:12Z
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Cavalleria rusticana: "Regina coeli laetare"
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by artist: Julia Varady
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Gianandrea Gavazzeni
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-02T03:55:08Z
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La traviata / Act 1: Che è ciò?
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by artist: Giuseppe Verdi
by artist: Dame Joan Sutherland
by artist: Luciano Pavarotti
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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Dido and Aeneas - Realised: Imogen Holst & Benjamin Britten - Act 1: "Fear no danger to ensue"
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by artist: Aldeburgh Festival Strings
by artist: Steuart Bedford
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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La traviata / Act 1: "Libiamo ne' lieti calici" (Brindisi)
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by artist: Luciano Pavarotti
by artist: Dame Joan Sutherland
by artist: The London Opera Chorus
by artist: National Philharmonic Orchestra
by artist: Richard Bonynge
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subject of: OpenTimestamps Proof of Existence
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La traviata / Act 2: Avrem lieta di maschere la notte...Di Madridi
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  date published: 1980-01-01
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La traviata / Act 2: Di sprezzo degno...Alfredo, Alfredo, di questo core
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Miserere (Il Trovatore)
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La traviata / Act 2: Alfredo! Voi!...Or tutti a me...Ogni suo aver
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La traviata / Act 1: Libiamo ne'lieti calici
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subject of: OpenTimestamps Proof of Existence
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La traviata / Act 1: Libiamo ne'lieti calici
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subject of: OpenTimestamps Proof of Existence
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La traviata / Act 3: Largo a quadrupede
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Easter Hymn (Cavalleria Rusticana)
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subject of: OpenTimestamps Proof of Existence
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Il Trovatore / Act 4: "Miserere d'un'alma"
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