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genre: opera
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followers: 102
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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album: Zandonai: Francesca da Rimini (Live)
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  date published: 2014-10-07
album: Cilea: Gloria (1932 version)
  type: MusicAlbum
  date published: 2013-09-01
album: Verdi: Don Carlos (Recorded 1961)
  type: MusicAlbum
  date published: 2015-03-01
album: Verdi: Nabucco (Recorded 1961)
  type: MusicAlbum
  date published: 2014-10-01
album: Donizetti: Maria di Rohan (1962)
  type: MusicAlbum
  date published: 2015-02-01
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    by artist: Virginia Zeani
    by artist: Enzo Tei
    by artist: Mario Zanasi
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    by artist: Silvano Pagliuca
    by artist: Luigi Paolillo
    by artist: San Carlo Theatre Chorus
    by artist: Orchestra del Teatro di San Carlo
    by artist: Fernando Previtali
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      date published: 2015-02-01
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    additional property: OTSVerifyInstructions
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:22:41Z
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album: Donizetti: Anna Bolena
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album: Rossini: Mosè
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album: Rossini: Mosè in Egitto (Moses in Egypt) [Live]
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album: Puccini: Manon Lescaut
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album: Verdi: Rigoletto (Highlights)
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    genre: early-music
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album: Glinka: Zhizn' za tsarya (A Life for the Tsar) (1954)
album: Verdi: Rigoletto Gesamtaufnahme
album: Viva l'Opéra, Vol. 3
album: Viva l'Opera, Vol. 18
album: Puccini, G.: Opera Excerpts
album: DONIZETTI: LUCREZIA BORGIA
album: Verdi: Rigoletto
album: Verdi: Rigoletto (Bjorling, R. Peters, Merrill) (1956)
album: Operatic Duets with Robert Merrill
album: Giuseppe Verdi: Nabucco (Firenze 1961)
album: Puccini: Manon Lescaut - The Sony Opera House
album: Puccini: Manon Lescaut (Albanese, Bjorling, Perlea) (1954)
album: Mozart: Die Zauberflöte
album: Roberto Devereux
album: DONIZETTI: ROBERTO DEVEREUX
album: Best of Vivaldi
album: Antonio Vivaldi, Nisi Dominus, Magnificat
album: SCHUBERT; BRAHMS; MOZART
album: Don Giovanni o sia Il Convitato di Pietra
album: Artur Rodziński (Live)
album: Requiem, Verdi, Orchestre national de la RTF - Lorin Maazel
album: Viva l'Opéra, Vol. 9
album: Jussi Björling - The Swedish Caruso, Vol. 8
album: Falstaff

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OTSTimestamp
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
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date published: 2026-07-30T16:01:17Z

Nisi Dominus, RV 608: Cum dederit dilectis suis
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Glinka: Zhizn' za tsarya (A Life for the Tsar) (1954)
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date published: 2015-02-01

Verdi: Rigoletto Gesamtaufnahme
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date published: 1990-01-02

Viva l'Opéra, Vol. 3
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date published: 2015-02-28

Viva l'Opera, Vol. 18
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date published: 2015-03-06

Puccini, G.: Opera Excerpts
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date published: 2008-01-01

DONIZETTI: LUCREZIA BORGIA
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date published: 1992-01-06

Verdi: Rigoletto
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date published: 2000-01-01

Verdi: Rigoletto (Bjorling, R. Peters, Merrill) (1956)
type: MusicAlbum
date published: 2008-06-24

Operatic Duets with Robert Merrill
type: MusicAlbum
date published: 2000-01-01

Giuseppe Verdi: Nabucco (Firenze 1961)
type: MusicAlbum
date published: 2012-07-30

Puccini: Manon Lescaut - The Sony Opera House
type: MusicAlbum
date published: 1990

Puccini: Manon Lescaut (Albanese, Bjorling, Perlea) (1954)
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date published: 2006-02-21

Mozart: Die Zauberflöte
type: MusicAlbum
date published: 2003-01-01

Puccini: Manon Lescaut
type: MusicAlbum
date published: 2000-01-01

Roberto Devereux
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  by artist: Leyla Gencer
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  by artist: Anna Maria Rota
  by artist: Ruggero Bondino
  by artist: Gabriele De Julis
  by artist: Sivano Pagliuca
  by artist: Bruno Grella
  by artist: Orchestra e Coro Del Teatro di San Carlo di Napoli
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Donizetti: Roberto Devereux: Geme!... Pallor funereo...
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T20:09:33Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Donizetti: Roberto Devereux: All'afflitto e dolce pianto...
track: Donizetti: Roberto Devereux: Duchessa... Alle fervide preci...
track: Donizetti: Roberto Devereux: L'amor suo mi fe' beata...
track: Donizetti: Roberto Devereux: Nunzio son del Parlamento!...
track: Donizetti: Roberto Devereux: Ah! Ritorna qual ti spero....
track: Donizetti: Roberto Devereux: Forse in quel cor sensibile...

Sivano Pagliuca
type: MusicGroup

Bruno Grella
type: MusicGroup

Orchestra e Coro Del Teatro di San Carlo di Napoli
type: MusicGroup

Roberto Devereux
type: MusicAlbum
date published: 1998-08-25

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T14:22:45+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa2e87a041c9d25a8cd29e679733d6d3474edfd64a05df4ca8f2d56378e1e5641

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960418

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960418

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695138

OTSTimestamp
type: PropertyValue
value: 2026-07-31T15:20:15Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e87a041c9d25a8cd29e679733d6d3474edfd64a05df4ca8f2d56378e1e5641. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695138 — a six-check JSON result.
date published: 2026-07-31T15:20:15Z

Donizetti: Roberto Devereux: All'afflitto e dolce pianto...
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.486
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.278
additional property: Energy
  type: PropertyValue
  value: 0.127
additional property: Speechiness
  type: PropertyValue
  value: 0.125
additional property: Acousticness
  type: PropertyValue
  value: 0.989
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.636
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.039
additional property: Loudness (dB)
  type: PropertyValue
  value: -26.878
additional property: Key Name
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  value: G
additional property: Mode Name
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Donizetti: Roberto Devereux: Duchessa... Alle fervide preci...
type: MusicRecording
duration: PT2M57S
duration ms: 177306
explicit: false
by artist: Gaetano Donizetti
by artist: Leyla Gencer
by artist: Piero Cappuccilli
by artist: Anna Maria Rota
by artist: Ruggero Bondino
by artist: Gabriele De Julis
by artist: Sivano Pagliuca
by artist: Bruno Grella
by artist: Orchestra e Coro Del Teatro di San Carlo di Napoli
in album: Roberto Devereux
  type: MusicAlbum
  date published: 1998-08-25
genre: opera
isrc code: US89R0695139
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:43:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69b3ebb64b5fc197fdcda7b15675425e2ce6ab18954cbfeebc788d09ab6e3bae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695139
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b3ebb64b5fc197fdcda7b15675425e2ce6ab18954cbfeebc788d09ab6e3bae. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695139 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Donizetti: Roberto Devereux: Duchessa... Alle fervide preci...
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.541
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.374
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.163
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.155
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.85
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Donizetti: Roberto Devereux: L'amor suo mi fe' beata...
type: MusicRecording
duration: PT2M45S
duration ms: 165133
explicit: false
by artist: Gaetano Donizetti
by artist: Leyla Gencer
by artist: Piero Cappuccilli
by artist: Anna Maria Rota
by artist: Ruggero Bondino
by artist: Gabriele De Julis
by artist: Sivano Pagliuca
by artist: Bruno Grella
by artist: Orchestra e Coro Del Teatro di San Carlo di Napoli
in album: Roberto Devereux
  type: MusicAlbum
  date published: 1998-08-25
genre: opera
isrc code: US89R0695140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T23:26:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67585e8a2555a472fe1ed514fe67073ff806c997e3ac707a993b7b4ec2322b00
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695140
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67585e8a2555a472fe1ed514fe67073ff806c997e3ac707a993b7b4ec2322b00. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695140 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Donizetti: Roberto Devereux: L'amor suo mi fe' beata...
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.486
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.262
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.16
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.657
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.109
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.118
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Donizetti: Roberto Devereux: Nunzio son del Parlamento!...
type: MusicRecording
duration: PT1M42S
duration ms: 102800
explicit: false
by artist: Gaetano Donizetti
by artist: Leyla Gencer
by artist: Piero Cappuccilli
by artist: Anna Maria Rota
by artist: Ruggero Bondino
by artist: Gabriele De Julis
by artist: Sivano Pagliuca
by artist: Bruno Grella
by artist: Orchestra e Coro Del Teatro di San Carlo di Napoli
in album: Roberto Devereux
  type: MusicAlbum
  date published: 1998-08-25
genre: opera
isrc code: US89R0695141
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:47:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c68f866060a945bddf0a22e766773ba344c8bb8aa93ba0b1375c74251a692fd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695141
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c68f866060a945bddf0a22e766773ba344c8bb8aa93ba0b1375c74251a692fd. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695141 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Donizetti: Roberto Devereux: Nunzio son del Parlamento!...
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.821
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.488
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.114
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.188
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.922
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Donizetti: Roberto Devereux: Ah! Ritorna qual ti spero....
type: MusicRecording
duration: PT2M44S
duration ms: 164360
explicit: false
by artist: Gaetano Donizetti
by artist: Leyla Gencer
by artist: Piero Cappuccilli
by artist: Anna Maria Rota
by artist: Ruggero Bondino
by artist: Gabriele De Julis
by artist: Sivano Pagliuca
by artist: Bruno Grella
by artist: Orchestra e Coro Del Teatro di San Carlo di Napoli
in album: Roberto Devereux
  type: MusicAlbum
  date published: 1998-08-25
genre: opera
isrc code: US89R0695142
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:25:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb6e20ce6407b052d83e78a6f546ca339e96309af3e9decebad5c51eb37f3f39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695142
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb6e20ce6407b052d83e78a6f546ca339e96309af3e9decebad5c51eb37f3f39. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695142 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Donizetti: Roberto Devereux: Ah! Ritorna qual ti spero....
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.205
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.51
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.08
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.792
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.43
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.829
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Donizetti: Roberto Devereux: Forse in quel cor sensibile...
type: MusicRecording
duration: PT3M1S
duration ms: 181026
explicit: false
by artist: Gaetano Donizetti
by artist: Leyla Gencer
by artist: Piero Cappuccilli
by artist: Anna Maria Rota
by artist: Ruggero Bondino
by artist: Gabriele De Julis
by artist: Sivano Pagliuca
by artist: Bruno Grella
by artist: Orchestra e Coro Del Teatro di San Carlo di Napoli
in album: Roberto Devereux
  type: MusicAlbum
  date published: 1998-08-25
genre: opera
isrc code: US89R0695146
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:58:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fb4bbe1c68f86ba323c1f2f88d2fb2bbe5ea12850658a33aa1cd5ed16e8fcae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695146
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb4bbe1c68f86ba323c1f2f88d2fb2bbe5ea12850658a33aa1cd5ed16e8fcae. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0695146 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Donizetti: Roberto Devereux: Forse in quel cor sensibile...
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.211
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.268
  additional property: Energy
    type: PropertyValue
    value: 0.206
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.11
  additional property: Liveness
    type: PropertyValue
    value: 0.697
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.119
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.637
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
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DONIZETTI: ROBERTO DEVEREUX
type: MusicAlbum
date published: 1992-01-06
track: Roberto Devereux, IGD 61, Act I: "L'amor suo mi fe' beata" (Elisabetta)
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165000
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Orchestra del Teatro San Carlo
  by artist: Mario Rossi
  by artist: Leyla Gencer
  in album: DONIZETTI: ROBERTO DEVEREUX
    type: MusicAlbum
    date published: 1992-01-06
  genre: opera
  isrc code: ITE012108673
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T17:14:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa5908e3cc0340e3f3cc00b0566e5f3a3fcd30cf6f50837741cd3efc4d4cf8bcb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960441
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960441
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITE012108673
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T17:29:52Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5908e3cc0340e3f3cc00b0566e5f3a3fcd30cf6f50837741cd3efc4d4cf8bcb. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITE012108673 — a six-check JSON result.
    date published: 2026-07-31T17:29:52Z
  audio: Roberto Devereux, IGD 61, Act I: "L'amor suo mi fe' beata" (Elisabetta)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.775
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.292
    additional property: Energy
      type: PropertyValue
      value: 0.182
    additional property: Speechiness
      type: PropertyValue
      value: 0.127
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.708
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.095
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.332
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

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date published: 1992-06-01

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