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genre: opera
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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album: The Great Puccini
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  track: Manon Lescaut, SC 64: Donna non vidi mai
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      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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  track: Turandot, SC 91: Nessun dorma
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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
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  track: La rondine, SC 83: Parigi! È la città dei desideri
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    subject of: OpenTimestamps Proof of Existence
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  track: La bohème, SC 67: Che gelida manina
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    by artist: Jonathan Tetelman
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    subject of: OpenTimestamps Proof of Existence
  track: La bohème, SC 67: O soave fanciulla
  track: La bohème, SC 67: Dunque è proprio finita
  track: Tosca, SC 69: Dammi i colori! Recondita armonia
  track: Tosca, SC 69: Mario Cavaradossi? ... E lucevan le stelle
  track: Manon Lescaut, SC 64: Ah! Manon, mi tradisce
  track: Madama Butterfly, SC 74: Che giova? ... Io so che alle sue pene
  track: La fanciulla del West, SC 78: Quello che tacete
  track: La fanciulla del West, SC 78: Ch'ella mi creda
  track: Il tabarro, SC 85: O Luigi! Luigi! ... Dimmi, perché gli hai chiesto
  track: Turandot, SC 91: Non piangere, Liù
  track: Le Villi, SC 60: Torna ai felici dì
album: Hudba je nejkrásnější emoce - část první
album: Benjamin Bernheim
album: Dvořák: A Bohemian Rhapsody
album: Souvenirs
album: Waxman: Joshua
album: Puccini: Turandot, SC 91: Nessun dorma
album: Puccini: Tosca, SC 69: Mario Cavaradossi? ... E lucevan le stelle
album: Verdi: Rigoletto: "Parmi veder le lagrime"
album: Verdi: Rigoletto: "Ella mi fu rapita!"
album: Verdi: La Traviata: "De' miei bollenti spiriti"
track: Nuovo Cinema Paradiso
track: Les Contes d'Hoffmann / Act II: Barcarolle
track: Dvořák: Songs My Mother Taught Me (From Gypsy Melodies, Op. 55, B. 104)
track: My Heart Will Go On
track: Le nozze di Figaro, K.492 / Act 2: "Voi che sapete"
track: Die Csárdásfürstin / Act I: "Heia, heia, in den Bergen ist mein Heimatland"
track: Requiem: Pie Jesu
track: Norma / Act 1: Casta Diva
track: Ciganské melodie, Op. 55, B. 104 - Arr. by Jiri Teml: IV. Kdyz mne stara matka
track: Giuditta / Act IV: Meine Lippen, die küssen so heiss
track: Louise / Act III: "Depuis le jour"
track: Gypsy Carmen
track: Hijo De La Luna
track: Der Opernball: Im chambre séparée
track: Gabriel's Oboe (From "The Mission")
track: Peer Gynt, Op. 23: Solveig's Song

PKF – Prague Philharmonia
type: MusicGroup

Carlo Rizzi
type: MusicGroup

The Great Puccini
type: MusicAlbum
date published: 2023-09-29

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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x863aa280c303c2803c8d93f21516118d3c4c858c068376b0ed50e47bfaa6cfeb. 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/6WX9h5jn8F9CJUcRzjWKyq.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/6WX9h5jn8F9CJUcRzjWKyq.
date published: 2026-07-02T03:55:08Z
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La bohème, SC 67: O soave fanciulla
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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La bohème, SC 67: Dunque è proprio finita
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  value: https://artists.proofprofile.net/proofs/track/5FelzIr4w3eCZOGskSlWD8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5FelzIr4w3eCZOGskSlWD8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x46ed07e66d13092b08ba8bf1f6abba400e97dd6874b87211ade9a2a1d335b886","isrc":"DEN962301760","name":"La bohème, SC 67: Dunque è proprio finita","registered_at":"2026-06-25T17:11:41Z","spotify_id":"5FelzIr4w3eCZOGskSlWD8","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 0x46ed07e66d13092b08ba8bf1f6abba400e97dd6874b87211ade9a2a1d335b886. 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/5FelzIr4w3eCZOGskSlWD8.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/5FelzIr4w3eCZOGskSlWD8.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x46ed07e66d13092b08ba8bf1f6abba400e97dd6874b87211ade9a2a1d335b886","isrc":"DEN962301760","name":"La bohème, SC 67: Dunque è proprio finita","registered_at":"2026-06-25T17:11:41Z","spotify_id":"5FelzIr4w3eCZOGskSlWD8","type":"track"}

Tosca, SC 69: Dammi i colori! Recondita armonia
type: MusicRecording
duration: PT2M42S
duration ms: 162306
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:11:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x993146ce24ab4772f08248a7b632bc65252bf147f23e143284db0bbb98f74177
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/1dYa1buL5Kcsy0khfuL2oc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1dYa1buL5Kcsy0khfuL2oc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x993146ce24ab4772f08248a7b632bc65252bf147f23e143284db0bbb98f74177","isrc":"DEN962301780","name":"Tosca, SC 69: Dammi i colori! Recondita armonia","registered_at":"2026-06-25T17:11:41Z","spotify_id":"1dYa1buL5Kcsy0khfuL2oc","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 0x993146ce24ab4772f08248a7b632bc65252bf147f23e143284db0bbb98f74177. 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/1dYa1buL5Kcsy0khfuL2oc.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/1dYa1buL5Kcsy0khfuL2oc.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x993146ce24ab4772f08248a7b632bc65252bf147f23e143284db0bbb98f74177","isrc":"DEN962301780","name":"Tosca, SC 69: Dammi i colori! Recondita armonia","registered_at":"2026-06-25T17:11:41Z","spotify_id":"1dYa1buL5Kcsy0khfuL2oc","type":"track"}

Tosca, SC 69: Mario Cavaradossi? ... E lucevan le stelle
type: MusicRecording
duration: PT6M50S
duration ms: 410773
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: Önay Köse
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301790
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:58:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8df0f003982d1e84822772ca4e735e6cfd40fb4926ffdcc1fb19b704ebe4c23f
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/5HLPBUnGByuoTsRU2aeQ5V.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5HLPBUnGByuoTsRU2aeQ5V
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8df0f003982d1e84822772ca4e735e6cfd40fb4926ffdcc1fb19b704ebe4c23f","isrc":"DEN962301790","name":"Tosca, SC 69: Mario Cavaradossi? ... E lucevan le stelle","registered_at":"2026-06-05T11:58:36Z","spotify_id":"5HLPBUnGByuoTsRU2aeQ5V","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 0x8df0f003982d1e84822772ca4e735e6cfd40fb4926ffdcc1fb19b704ebe4c23f. 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/5HLPBUnGByuoTsRU2aeQ5V.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/5HLPBUnGByuoTsRU2aeQ5V.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x8df0f003982d1e84822772ca4e735e6cfd40fb4926ffdcc1fb19b704ebe4c23f","isrc":"DEN962301790","name":"Tosca, SC 69: Mario Cavaradossi? ... E lucevan le stelle","registered_at":"2026-06-05T11:58:36Z","spotify_id":"5HLPBUnGByuoTsRU2aeQ5V","type":"track"}

Manon Lescaut, SC 64: Ah! Manon, mi tradisce
type: MusicRecording
duration: PT2M2S
duration ms: 122813
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301800

Madama Butterfly, SC 74: Che giova? ... Io so che alle sue pene
type: MusicRecording
duration: PT2M20S
duration ms: 140413
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: Rihab Chaieb
by artist: Önay Köse
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:13:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeaed279a96f4ace10827901c9f6aaa337b636501245ec611f5aa82e0973a83ed
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/1oAw7WiNcDYnvnoSnvRxpW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1oAw7WiNcDYnvnoSnvRxpW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeaed279a96f4ace10827901c9f6aaa337b636501245ec611f5aa82e0973a83ed","isrc":"DEN962301810","name":"Madama Butterfly, SC 74: Che giova? ... Io so che alle sue pene","registered_at":"2026-06-26T19:13:07Z","spotify_id":"1oAw7WiNcDYnvnoSnvRxpW","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 0xeaed279a96f4ace10827901c9f6aaa337b636501245ec611f5aa82e0973a83ed. 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/1oAw7WiNcDYnvnoSnvRxpW.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/1oAw7WiNcDYnvnoSnvRxpW.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xeaed279a96f4ace10827901c9f6aaa337b636501245ec611f5aa82e0973a83ed","isrc":"DEN962301810","name":"Madama Butterfly, SC 74: Che giova? ... Io so che alle sue pene","registered_at":"2026-06-26T19:13:07Z","spotify_id":"1oAw7WiNcDYnvnoSnvRxpW","type":"track"}

La fanciulla del West, SC 78: Quello che tacete
type: MusicRecording
duration: PT1M30S
duration ms: 90840
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:19:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52c69dfc683676932956bd99fd0f372b0d956ad35384ffffcc1b17b16cbfa0ab
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/0nY57VRxdz7EOHFobHXp89.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nY57VRxdz7EOHFobHXp89
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x52c69dfc683676932956bd99fd0f372b0d956ad35384ffffcc1b17b16cbfa0ab","isrc":"DEN962301820","name":"La fanciulla del West, SC 78: Quello che tacete","registered_at":"2026-06-09T16:19:40Z","spotify_id":"0nY57VRxdz7EOHFobHXp89","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 0x52c69dfc683676932956bd99fd0f372b0d956ad35384ffffcc1b17b16cbfa0ab. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0nY57VRxdz7EOHFobHXp89.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/0nY57VRxdz7EOHFobHXp89.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x52c69dfc683676932956bd99fd0f372b0d956ad35384ffffcc1b17b16cbfa0ab","isrc":"DEN962301820","name":"La fanciulla del West, SC 78: Quello che tacete","registered_at":"2026-06-09T16:19:40Z","spotify_id":"0nY57VRxdz7EOHFobHXp89","type":"track"}

La fanciulla del West, SC 78: Ch'ella mi creda
type: MusicRecording
duration: PT1M47S
duration ms: 107040
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301830
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:02:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac9ec3268c7ee34069407561086135eebc07f566a8c0c33b72f601e1fae99aa7
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/0RfRziyxSbzAyLDsKuMiQP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0RfRziyxSbzAyLDsKuMiQP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xac9ec3268c7ee34069407561086135eebc07f566a8c0c33b72f601e1fae99aa7","isrc":"DEN962301830","name":"La fanciulla del West, SC 78: Ch'ella mi creda","registered_at":"2026-06-24T10:02:14Z","spotify_id":"0RfRziyxSbzAyLDsKuMiQP","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 0xac9ec3268c7ee34069407561086135eebc07f566a8c0c33b72f601e1fae99aa7. 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/0RfRziyxSbzAyLDsKuMiQP.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/0RfRziyxSbzAyLDsKuMiQP.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xac9ec3268c7ee34069407561086135eebc07f566a8c0c33b72f601e1fae99aa7","isrc":"DEN962301830","name":"La fanciulla del West, SC 78: Ch'ella mi creda","registered_at":"2026-06-24T10:02:14Z","spotify_id":"0RfRziyxSbzAyLDsKuMiQP","type":"track"}

Il tabarro, SC 85: O Luigi! Luigi! ... Dimmi, perché gli hai chiesto
type: MusicRecording
duration: PT7M56S
duration ms: 476493
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: Vida Miknevičiūtė
by artist: Önay Köse
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301840

Turandot, SC 91: Non piangere, Liù
type: MusicRecording
duration: PT2M25S
duration ms: 145333
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301850
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:19:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8f864929f76078280049f6685ac117f2c9a37fed068cd56bf1611cce87847b1
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/6dhQ6nahAA5I1HbwKunDHr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dhQ6nahAA5I1HbwKunDHr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb8f864929f76078280049f6685ac117f2c9a37fed068cd56bf1611cce87847b1","isrc":"DEN962301850","name":"Turandot, SC 91: Non piangere, Liù","registered_at":"2026-06-09T16:19:32Z","spotify_id":"6dhQ6nahAA5I1HbwKunDHr","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 0xb8f864929f76078280049f6685ac117f2c9a37fed068cd56bf1611cce87847b1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6dhQ6nahAA5I1HbwKunDHr.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/6dhQ6nahAA5I1HbwKunDHr.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xb8f864929f76078280049f6685ac117f2c9a37fed068cd56bf1611cce87847b1","isrc":"DEN962301850","name":"Turandot, SC 91: Non piangere, Liù","registered_at":"2026-06-09T16:19:32Z","spotify_id":"6dhQ6nahAA5I1HbwKunDHr","type":"track"}

Le Villi, SC 60: Torna ai felici dì
type: MusicRecording
duration: PT4M44S
duration ms: 284640
explicit: false
by artist: Giacomo Puccini
by artist: Jonathan Tetelman
by artist: PKF – Prague Philharmonia
by artist: Carlo Rizzi
in album: The Great Puccini
  type: MusicAlbum
  date published: 2023-09-29
isrc code: DEN962301860
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T18:59:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7fa4b25f58fce826ebdc57d679ca12a3db964aa43e6c9c4ad6bc06e1e30669e
additional property: OTSHash
additional property: OTSBitcoinBlock
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subject of: OpenTimestamps Proof of Existence
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Hudba je nejkrásnější emoce - část první
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track: Měření aleje
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track: Náhrobek Couperinův, M.68: I. Prélude
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track: Serenáda Es dur, Op. 7, TrV 106
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track: Meditace na staročeský chorál Svatý Václave, Op. 35a
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track: Klid pro violoncello a orchestr, Op. 68, No. 5, B.182
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Benjamin Bernheim
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track: Werther: "Pourquoi me réveiller, ô souffle du printemps?"
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  subject of: OpenTimestamps Proof of Existence
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track: L'elisir d'amore: "Una furtiva lagrima"
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  subject of: OpenTimestamps Proof of Existence
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track: Roméo et Juliette, CG 9: "L'amour! l'amour! oui, son ardeur a troublé"
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  subject of: OpenTimestamps Proof of Existence
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track: Roméo et Juliette, CG 9: "Ah! lève-toi, soleil!"
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  subject of: OpenTimestamps Proof of Existence
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track: La Traviata: "Lunge da lei"
track: La Traviata: "De' miei bollenti spiriti"
track: Eugene Onegin, Op. 24, TH 5: Introduction to Lensky's Aria
track: Eugene Onegin, Op. 24, TH 5: "Kuda, kuda, kuda vi udalilis"
track: Rigoletto: "Ella mi fu rapita!"
track: Rigoletto: "Parmi veder le lagrime"
track: Manon: "Instant charmant"
track: Manon: "En fermant les yeux"
track: Lucia di Lammermoor: "Tombe degli avi miei"
track: Lucia di Lammermoor: "Fra poco a me ricovero"
track: Faust, CG 4: "Quel trouble inconnu me pénètre?"
track: Faust, CG 4: "Salut! demeure chaste et pure"
track: Luisa Miller: "Oh! fede negar potessi"
track: Luisa Miller: "Quando le sere al placido"
track: Dante, Op. 111: "Ah! de tous mes espoirs"
track: Dante, Op. 111: "Tout est fini"
track: La Damnation de Faust, Op. 24, H 111: "Nature immense, impénétrable et fière"
track: La Bohème: "Che gelida manina"

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La Traviata: "De' miei bollenti spiriti"
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subject of: OpenTimestamps Proof of Existence
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Eugene Onegin, Op. 24, TH 5: Introduction to Lensky's Aria
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Eugene Onegin, Op. 24, TH 5: "Kuda, kuda, kuda vi udalilis"
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Rigoletto: "Ella mi fu rapita!"
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Rigoletto: "Parmi veder le lagrime"
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Manon: "Instant charmant"
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Manon: "En fermant les yeux"
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Lucia di Lammermoor: "Tombe degli avi miei"
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Lucia di Lammermoor: "Fra poco a me ricovero"
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Faust, CG 4: "Quel trouble inconnu me pénètre?"
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Faust, CG 4: "Salut! demeure chaste et pure"
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Luisa Miller: "Oh! fede negar potessi"
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Luisa Miller: "Quando le sere al placido"
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Dante, Op. 111: "Ah! de tous mes espoirs"
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Dante, Op. 111: "Tout est fini"
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La Damnation de Faust, Op. 24, H 111: "Nature immense, impénétrable et fière"
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La Bohème: "Che gelida manina"
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Dvořák: A Bohemian Rhapsody
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track: Romance in F Minor, Op. 11: Romance In F Minor, Op. 11
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track: Carnival Overture, Op. 92
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Souvenirs
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track: Giuditta / Act IV: Meine Lippen, die küssen so heiss
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track: Louise / Act III: "Depuis le jour"
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track: Vier Lieder, Op. 27: II. Cäcilie
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track: Peer Gynt, Op. 23: Solveig's Song
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track: Fünf Lieder, Op. 41, TrV 195: I. Wiegenlied
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Schlof sche, mein Vögele - Orch. by Friedrich Meyer
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La rosa y el sauce
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Il Bacio
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Puccini: Tosca, SC 69: Mario Cavaradossi? ... E lucevan le stelle
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  subject of: OpenTimestamps Proof of Existence
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Verdi: Rigoletto: "Parmi veder le lagrime"
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Verdi: Rigoletto: "Ella mi fu rapita!"
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Verdi: La Traviata: "De' miei bollenti spiriti"
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  subject of: OpenTimestamps Proof of Existence
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Nuovo Cinema Paradiso
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Les Contes d'Hoffmann / Act II: Barcarolle
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subject of: OpenTimestamps Proof of Existence
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Dvořák: Songs My Mother Taught Me (From Gypsy Melodies, Op. 55, B. 104)
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subject of: OpenTimestamps Proof of Existence
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Les Contes d'Hoffmann / Act II: Barcarolle
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subject of: OpenTimestamps Proof of Existence
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My Heart Will Go On
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Le nozze di Figaro, K.492 / Act 2: "Voi che sapete"
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Die Csárdásfürstin / Act I: "Heia, heia, in den Bergen ist mein Heimatland"
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Requiem: Pie Jesu
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Norma / Act 1: Casta Diva
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Ciganské melodie, Op. 55, B. 104 - Arr. by Jiri Teml: IV. Kdyz mne stara matka
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subject of: OpenTimestamps Proof of Existence
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Giuditta / Act IV: Meine Lippen, die küssen so heiss
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by artist: Anna Netrebko
by artist: PKF – Prague Philharmonia
by artist: Emmanuel Villaume
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Louise / Act III: "Depuis le jour"
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by artist: Anna Netrebko
by artist: PKF – Prague Philharmonia
by artist: Emmanuel Villaume
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isrc code: DEN960800290

Gypsy Carmen
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by artist: Texu Kim
by artist: Sumi Jo
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by artist: Ondrej Lenard
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Hijo De La Luna
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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
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  date published: 2026-07-08T03:53:27Z
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Requiem: Pie Jesu
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by artist: Anna Netrebko
by artist: Andrew Swait
by artist: PKF – Prague Philharmonia
by artist: Emmanuel Villaume
by artist: Prague Philharmonic Choir
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Der Opernball: Im chambre séparée
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by artist: Anna Netrebko
by artist: Piotr Beczala
by artist: PKF – Prague Philharmonia
by artist: Emmanuel Villaume
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Giuditta / Act IV: Meine Lippen, die küssen so heiss
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by artist: Anna Netrebko
by artist: PKF – Prague Philharmonia
by artist: Emmanuel Villaume
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Gabriel's Oboe (From "The Mission")
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by artist: PKF – Prague Philharmonia
by artist: Nick Ingman
in album: Movie Night – The Greatest Film Themes
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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: OTSCanonicalRecord
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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 0x275693da4271f7ef4155da785d8ead6baa7e06b76598ec68b459097796de5f97. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0HpKBhmgx0rXHM4AQjXKB4.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/0HpKBhmgx0rXHM4AQjXKB4.
  date published: 2026-07-08T03:20:19Z
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Der Opernball: Im chambre séparée
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by artist: Emmanuel Villaume
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Peer Gynt, Op. 23: Solveig's Song
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by artist: Anna Netrebko
by artist: PKF – Prague Philharmonia
by artist: Emmanuel Villaume
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additional property: OTSVerificationAPI
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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 0x3354320c921f9084395bd5d194831b50e031fe0d312f67a1b828f7a5702c213e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pY603RzpG70cCxmddD5eg.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/1pY603RzpG70cCxmddD5eg.
  date published: 2026-07-08T03:53:27Z
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