Roberto Scandiuzzi
type: MusicGroup
genre: opera
description: Roberto Scandiuzzi (born 14 July 1958) is an Italian opera singer noted for his powerful, sonorous bass voice and stage presence.Blyth, Alan (2008). "Scandiuzzi, Roberto". pp. 427–428. The Grove Book
popularity: 14
followers: 182
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-15T17:06:52Z
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album: Verdi: Simon Boccanegra
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  date published: 2014-03-25
album: Rossini: Stabat Mater
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  date published: 1996-01-01
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    by artist: Cecilia Bartoli
    by artist: Wiener Philharmoniker
    by artist: Myung-Whun Chung
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      date published: 1996-01-01
    genre: classical
    genre: opera
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:53:27Z
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  track: Stabat Mater: 8. Inflammatus et accensus
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      date published: 1996-01-01
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:53:27Z
    audio: Stabat Mater: 8. Inflammatus et accensus
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  track: Stabat Mater: 1. Stabat Mater dolorosa
  track: Stabat Mater: 4. Pro peccatis suae gentis
  track: Stabat Mater: 5. Eja Mater fons amoris
  track: Stabat Mater: 9. Quando corpus morietur
  track: Stabat Mater: 10. Amen
album: Verdi: Ernani
album: Paisiello: La grotta di Trofonio (Live)
album: Verdi: La forza del destino
album: Verdi: Don Carlo
album: Marco Tutino: Le braci (Live)
album: Sternstunden der Musik: Giuseppe Verdi
album: Chorszenen und Konzertchöre in Rundfunkaufnahmen ab 1938
album: 200 anni di Giuseppe Verdi: Aida, Nabucco
album: Ponchielli: La Gioconda, Op. 9
album: Sarzana opera festival (Live)
album: Verdi: Rigoletto
album: Verdi, G.: Simon Boccanegra [Opera]
album: Dvorák: Stabat mater, Op.58
album: Verdi: Ernani (Wiener Staatsoper Live)
album: Giuseppe Verdi: Verdiana III
album: Verdi: Jérusalem
album: Verdi: Nabucco
album: Bottesini: Ero e Leandro
album: The Art of Belcanto
album: Verdi: Nabucco (I Capolavori di Opera Lirica)
album: Simon Boccanegra - Must-Have Opera Highlights

Stabat Mater: 1. Stabat Mater dolorosa
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duration: PT10M13S
duration ms: 613000
explicit: false
by artist: Gioachino Rossini
by artist: Luba Orgonasova
by artist: Cecilia Bartoli
by artist: Raul Gimenez
by artist: Roberto Scandiuzzi
by artist: Wiener Philharmoniker
by artist: Myung-Whun Chung
by artist: Wiener Staatsopernchor
by artist: Dietrich Gerpheide
in album: Rossini: Stabat Mater
  type: MusicAlbum
  date published: 1996-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T04:47:22Z
audio: Stabat Mater: 1. Stabat Mater dolorosa
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additional property: OTSTimestamp
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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

Stabat Mater: 4. Pro peccatis suae gentis
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by artist: Gioachino Rossini
by artist: Roberto Scandiuzzi
by artist: Wiener Philharmoniker
by artist: Myung-Whun Chung
in album: Rossini: Stabat Mater
  type: MusicAlbum
  date published: 1996-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
audio: Stabat Mater: 4. Pro peccatis suae gentis
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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

Stabat Mater: 5. Eja Mater fons amoris
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duration: PT5M9S
duration ms: 309000
explicit: false
by artist: Gioachino Rossini
by artist: Roberto Scandiuzzi
by artist: Wiener Staatsopernchor
by artist: Dietrich Gerpheide
in album: Rossini: Stabat Mater
  type: MusicAlbum
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genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Stabat Mater: 5. Eja Mater fons amoris
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additional property: OTSTimestamp
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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

Stabat Mater: 9. Quando corpus morietur
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duration: PT6M15S
duration ms: 375000
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by artist: Gioachino Rossini
by artist: Luba Orgonasova
by artist: Cecilia Bartoli
by artist: Raul Gimenez
by artist: Roberto Scandiuzzi
by artist: Wiener Staatsopernchor
by artist: Dietrich Gerpheide
in album: Rossini: Stabat Mater
  type: MusicAlbum
  date published: 1996-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Stabat Mater: 9. Quando corpus morietur
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  additional property: Energy
    type: PropertyValue
    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.358
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -39.182
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEF059531109
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059531109
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Stabat Mater: 10. Amen
type: MusicRecording
duration: PT5M57S
duration ms: 357000
explicit: false
by artist: Gioachino Rossini
by artist: Luba Orgonasova
by artist: Cecilia Bartoli
by artist: Raul Gimenez
by artist: Roberto Scandiuzzi
by artist: Wiener Philharmoniker
by artist: Myung-Whun Chung
by artist: Wiener Staatsopernchor
by artist: Dietrich Gerpheide
in album: Rossini: Stabat Mater
  type: MusicAlbum
  date published: 1996-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfede34d3109bb33212d78a247a26403eb325d2a98865fc4e779a39fe8bf5d160. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059531110.
  date published: 2026-07-31T08:26:41Z
audio: Stabat Mater: 10. Amen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.722
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.367
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.104
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.878
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEF059531110
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960368
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T08:26:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059531110
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Rigoletto / Act 1: Duetto. "Quel vecchio maledivami!" (Rigoletto, Sparafucile)
type: MusicRecording
duration: PT4M21S
duration ms: 261399
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Roberto Scandiuzzi
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T03:44:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcefa96ae53bd2456815736fb426901a7120ad3e8a5a78d32ec4f72db5b7bd3ad
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcefa96ae53bd2456815736fb426901a7120ad3e8a5a78d32ec4f72db5b7bd3ad. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331508.
  date published: 2026-07-02T03:30:09Z
audio: Rigoletto / Act 1: Duetto. "Quel vecchio maledivami!" (Rigoletto, Sparafucile)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.462
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.041
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.389
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rigoletto / Act 3: "E l'ami?" / "Sempre" (Rigoletto, Gilda, Duca, Sparafucile)
type: MusicRecording
duration: PT2M4S
duration ms: 124200
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Cheryl Studer
by artist: Luciano Pavarotti
by artist: Roberto Scandiuzzi
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331531
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:07:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf49dba458e48cafc97ff5e8ac0ba7f23c9a080378f8e812d07fe4bbc0c0fd2fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331531
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf49dba458e48cafc97ff5e8ac0ba7f23c9a080378f8e812d07fe4bbc0c0fd2fe. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331531.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 3: "E l'ami?" / "Sempre" (Rigoletto, Gilda, Duca, Sparafucile)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.701
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.342
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.621
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.409
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rigoletto / Act 3: "La donna è mobile" - "E là il vostr'uomo" (Duca / Sparafucile, Rigoletto)
type: MusicRecording
duration: PT2M37S
duration ms: 157840
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Roberto Scandiuzzi
by artist: Vladimir Chernov
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331532
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:20:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb7a145b0e68aff912b020907ec523f91f4598101cfc0b1d8dcaabc87c9b7950
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331532
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb7a145b0e68aff912b020907ec523f91f4598101cfc0b1d8dcaabc87c9b7950. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331532.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 3: "La donna è mobile" - "E là il vostr'uomo" (Duca / Sparafucile, Rigoletto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.872
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.15
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 3: "Maddalena?" / "Aspettate" (Duca, Maddalena, Sparafucile)
type: MusicRecording
duration: PT2M36S
duration ms: 156160
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Denyce Graves
by artist: Roberto Scandiuzzi
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331536
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:06:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe90c680b29ea6285a3b84adbfafbc84bdc9d09aa651b3df7d4314c7343f19126
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331536
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90c680b29ea6285a3b84adbfafbc84bdc9d09aa651b3df7d4314c7343f19126. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331536.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 3: "Maddalena?" / "Aspettate" (Duca, Maddalena, Sparafucile)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.245
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.332
  additional property: Energy
    type: PropertyValue
    value: 0.048
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.138
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.459
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 3: + amabile invero cotal giovinotto (Maddalena, Sparafucile, Gilda)
type: MusicRecording
duration: PT5M44S
duration ms: 344640
explicit: false
by artist: Giuseppe Verdi
by artist: Denyce Graves
by artist: Roberto Scandiuzzi
by artist: Cheryl Studer
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331537
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T16:43:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9784479eb25cfba5188105a423905925bbb4ca74207e86202e8c254b8381bce1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331537
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956312
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T05:09:12+00:00
subject of: OpenTimestamps Proof of Existence
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Rigoletto / Act 3: Della vendetta alfin giunge l'istante (Rigoletto, Sparafucile, Duca)
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Stabat mater, op.58: 1. Quartetto e Coro "Stabat mater dolorosa"
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Stabat mater, op.58: 2. Quartetto "Quis est homo, qui non fleret"
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Stabat mater, op.58: 4. Basso e Coro "Fac ut ardeat cor meum"
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Stabat mater, op.58: 10. Quartetto e Coro "Quando corpus morietur"
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfec82df85a31f44110fa5d7b7d57954bd0632b82977c2a39b17045e05ab1b5c9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509303514.
    date published: 2026-07-08T08:56:20Z
  audio: Don Carlo - 1886 Modena version / Act 2: "Dio, che nell'alma infodere"
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    additional property: Acousticness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Don Carlo - 1886 Modena version / Act 2: "Nei giardin del bello"
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284840
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Olga Borodina
  by artist: Elizabeth Norberg-Schulz
  by artist: Chorus of the Royal Opera House, Covent Garden
  by artist: Orchestra of the Royal Opera House, Covent Garden
  by artist: Bernard Haitink
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    type: MusicAlbum
    date published: 1997-01-01
  genre: classical
  genre: opera
  isrc code: NLA509303516
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509303516
  additional property: OTSTimestamp
    type: PropertyValue
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  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc1fa4509b032b2b324cad4b1ad9409eb783db71534a87bb26da3d621663d6a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509303516.
    date published: 2026-07-08T03:53:27Z
  audio: Don Carlo - 1886 Modena version / Act 2: "Nei giardin del bello"
    type: AudioObject
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Marco Tutino: Le braci (Live)
type: MusicAlbum
date published: 2016-05-27

Sternstunden der Musik: Giuseppe Verdi
type: MusicAlbum
date published: 2014-01-27

Chorszenen und Konzertchöre in Rundfunkaufnahmen ab 1938
type: MusicAlbum
date published: 2018-03-02
track: Die Meistersinger von Nürnberg, WWV 96: Silentium! Silentium!
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280800
  explicit: false
  by artist: Richard Wagner
  by artist: Saxon State Opera Chorus, Dresden
  by artist: Staatskapelle Dresden
  by artist: Karl Böhm
  in album: Chorszenen und Konzertchöre in Rundfunkaufnahmen ab 1938
    type: MusicAlbum
    date published: 2018-03-02
  popularity: 2
  genre: classical
  genre: opera
  isrc code: DEAD61703101
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  additional property: CopyrightRegisteredAt
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  additional property: OTSBitcoinBlock
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  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/DEAD61703101
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x925beb334e4510324cb2cbbc05be3a76e9342f2860b61c9f887212bfc3032cbd. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD61703101.
    date published: 2026-07-08T03:20:19Z
  audio: Die Meistersinger von Nürnberg, WWV 96: Silentium! Silentium!
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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200 anni di Giuseppe Verdi: Aida, Nabucco
type: MusicAlbum
date published: 2013-03-07

Ponchielli: La Gioconda, Op. 9
type: MusicAlbum
date published: 2003-04-01

Sarzana opera festival (Live)
type: MusicAlbum
date published: 2021-01-29

Verdi: Rigoletto
type: MusicAlbum
date published: 1998-01-01
track: Rigoletto / Preludio: Preludio
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145133
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Metropolitan Opera Chorus
  by artist: Metropolitan Opera Orchestra
  by artist: James Levine
  in album: Verdi: Rigoletto
    type: MusicAlbum
    date published: 1998-01-01
  genre: classical
  genre: opera
  isrc code: DEF059331501
  additional property: CopyrightID
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331501
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd91c9a5bc5a3c605cceaf7af5ec13c4f63ce86d5654625ba28eea918d4d051d2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331501.
    date published: 2026-07-02T03:55:08Z
  audio: Rigoletto / Preludio: Preludio
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 93.686
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.131
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -18.941
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track: Rigoletto / Act 2: Ella mi fu rapita! (Duca)
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135866
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Luciano Pavarotti
  by artist: Metropolitan Opera Orchestra
  by artist: James Levine
  in album: Verdi: Rigoletto
    type: MusicAlbum
    date published: 1998-01-01
  genre: classical
  genre: opera
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  additional property: CopyrightID
  additional property: CopyrightStatus
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    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-06-24T14:30:51+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331519
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-02T05:09:12Z
  audio: Rigoletto / Act 2: Ella mi fu rapita! (Duca)
    type: AudioObject
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Rigoletto / Act 1: Della mia bella incognita borghese (Duca, Borsa)
  type: MusicRecording
  duration: PT1M43S
  duration ms: 103400
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Luciano Pavarotti
  by artist: Paul Groves
  by artist: Metropolitan Opera Orchestra
  by artist: James Levine
  in album: Verdi: Rigoletto
    type: MusicAlbum
    date published: 1998-01-01
  genre: classical
  genre: opera
  isrc code: DEF059331502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Rigoletto / Act 1: Della mia bella incognita borghese (Duca, Borsa)
track: Rigoletto / Act 2: Parmi veder le lagrime (Duca)
track: Rigoletto / Act 1: "Questa o quella" (Ballata) (Duca)
track: Rigoletto / Act 2: "Duca, Duca! L'amante fu rapita a Rigoletto" / "Ebben?" (Borsa, Marullo, Ceprano, Duca, Coro)
track: Rigoletto / Act 1: "Partite? ... Crudele!" - "In testa che avete, Signor di Ceprano" (Duca, Contessa di Ceprano / Rigoletto, Borsa, Coro)
track: Rigoletto / Act 2: Possente amor mi chiama (Duca, Borsa, Marullo, Ceprano, Coro)
track: Rigoletto / Act 1: Gran nuova! Gran nuova! (Marullo, Coro)
track: Rigoletto / Act 2: Scena ed Coro: "Povero Rigoletto!" (Marullo, Rigoletto, Borsa, Ceprano, Paggio, Coro)
track: Rigoletto / Act 1: Ah, più di Ceprano (Duca, Rigoletto, Ceprano, Borsa, Marullo, Coro)
track: Rigoletto / Act 2: Cortigiani, vil razza dannata (Rigoletto)
track: Rigoletto / Act 1: Ch'io gli parli (Monterone, Duca, Borsa, Rigoletto, Marullo, Ceprano, Coro)
track: Rigoletto / Act 2: Scena e Duetto: "Mio padre!" / "Dio! Mia Gilda!" (Gilda, Rigoletto, Borsa, Marullo, Ceprano, Coro)
track: Rigoletto / Act 2: Tutte le feste al tempio (Gilda, Rigoletto)
track: Rigoletto / Act 1: Duetto. "Quel vecchio maledivami!" (Rigoletto, Sparafucile)
track: Rigoletto / Act 2: Ah! Solo per me l'infamia (Rigoletto, Gilda)
track: Rigoletto / Act 1: Recitativo e Duetto. "Pari siamo!... io la lingua"(Rigoletto)
track: Rigoletto / Act 2: "Ah! piangi, fanciulla" / "Padre, in voi parla un angiol" (Rigoletto, Gilda)
track: Rigoletto / Act 1: "Figlia!" / "Mio padre!" (Rigoletto, Gilda)
track: Rigoletto / Act 2: "Schiudete! ire al carcere" - "Poiché fosti invano da me maledetto" (Usciere / Monterone, Rigoletto)
track: Rigoletto / Act 1: "Già da tre lune son qui venuta" - "Olà?" / "Signor?" (Gilda, Rigoletto / Rigoletto, Giovanna)
track: Rigoletto / Act 2: "Sì vendetta" / "O mio padre" (Rigoletto, Gilda)
track: Rigoletto / Act 1: Ah, veglia, o donna, questo fiore (Rigoletto, Gilda, Giovanna, Duca)
track: Rigoletto / Act 3: "E l'ami?" / "Sempre" (Rigoletto, Gilda, Duca, Sparafucile)
track: Rigoletto / Act 1: Scena e Duetto. "Giovanna, ho dei rimorsi" (Gilda, Giovanna, Duca)
track: Rigoletto / Act 3: "La donna è mobile" - "E là il vostr'uomo" (Duca / Sparafucile, Rigoletto)
track: Rigoletto / Act 1: "E il sol dell'anima"
track: Rigoletto / Act 3: Quartetto. "Un dì, se ben rammentomi" (Duca, Gilda, Maddalena, Rigoletto)
track: Rigoletto / Act 1: "Che m'ami, deh! ripetimi" - "Addio... speranza ed anima" (Duca, Gilda, Ceprano, Borsa, Giovanna)
track: Rigoletto / Act 3: Bella figlia dell'amore (Duca, Maddalena, Gilda, Rigoletto)
track: Rigoletto / Act 1: Scena ed Aria. "Gualtier Maldè ... Caro nome..." - "+ là..." / "Miratela" (Gilda / Borsa, Ceprano, Coro, Marullo)
track: Rigoletto / Act 3: "M'odi, ritorna a casa" - "Venti scudi, hai tu detto?" (Rigoletto, Gilda / Rigoletto, Sparafucile)
track: Rigoletto / Act 1: Scena e Coro - Finale I. "Riedo!... perché?" / "Silencio...all'opra" (Rigoletto, Borsa, Ceprano, Marullo)
track: Rigoletto / Act 3: "Maddalena?" / "Aspettate" (Duca, Maddalena, Sparafucile)
track: Rigoletto / Act 1: Zitti, zitti, moviamo a vendetta (Borsa, Marullo, Ceprano, Gilda, Rigoletto, Coro)
track: Rigoletto / Act 3: + amabile invero cotal giovinotto (Maddalena, Sparafucile, Gilda)
track: Rigoletto / Act 3: Della vendetta alfin giunge l'istante (Rigoletto, Sparafucile, Duca)
track: Rigoletto / Act 3: Chi è mai, chi è qui in sua vece? (Rigoletto, Gilda)
track: Rigoletto / Act 3: "V'ho ingannato"

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OTSHash
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OTSBitcoinBlock
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value: 956302

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/956302

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331502

OTSTimestamp
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value: 2026-07-02T03:30:09Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f7f5e4479836f30034ca1572d18600ec4e7535d1f52dd1fb65be0e20f0965b5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331502.
date published: 2026-07-02T03:30:09Z

Rigoletto / Act 1: Della mia bella incognita borghese (Duca, Borsa)
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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  value: 5
additional property: Danceability
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  value: 0.613
additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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  value: Ab
additional property: Mode Name
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Rigoletto / Act 2: Parmi veder le lagrime (Duca)
type: MusicRecording
duration: PT2M29S
duration ms: 149573
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-24T14:30:41+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xee2588e6f7fcede3dbbd4dd4609f60a071565ba73e40b821ef6e2c0f37b4768a
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee2588e6f7fcede3dbbd4dd4609f60a071565ba73e40b821ef6e2c0f37b4768a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331520.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 2: Parmi veder le lagrime (Duca)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 106.981
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Rigoletto / Act 1: "Questa o quella" (Ballata) (Duca)
type: MusicRecording
duration: PT1M37S
duration ms: 97866
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331503
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T12:25:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a61c597f195ff102d1bce245b6c0681582a1f9a0afab1b1bfbfc42668e156c0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331503
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a61c597f195ff102d1bce245b6c0681582a1f9a0afab1b1bfbfc42668e156c0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331503.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 1: "Questa o quella" (Ballata) (Duca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.532
  additional property: Musical Key
    type: PropertyValue
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  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: 0.449
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    type: PropertyValue
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Rigoletto / Act 2: "Duca, Duca! L'amante fu rapita a Rigoletto" / "Ebben?" (Borsa, Marullo, Ceprano, Duca, Coro)
type: MusicRecording
duration: PT2M13S
duration ms: 133560
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331521
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T03:38:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44c1bc164a29c753667a8c2d08f0c7e9785f62f29ce8ed7b8e4f2f34c6ceb7c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331521
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44c1bc164a29c753667a8c2d08f0c7e9785f62f29ce8ed7b8e4f2f34c6ceb7c2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331521.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 2: "Duca, Duca! L'amante fu rapita a Rigoletto" / "Ebben?" (Borsa, Marullo, Ceprano, Duca, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.619
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.328
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.509
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.764
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.319
  additional property: Key Name
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    value: Major

Rigoletto / Act 1: "Partite? ... Crudele!" - "In testa che avete, Signor di Ceprano" (Duca, Contessa di Ceprano / Rigoletto, Borsa, Coro)
type: MusicRecording
duration: PT2M16S
duration ms: 136600
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Heidi Grant Murphy
by artist: Vladimir Chernov
by artist: Paul Groves
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:16:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9517d93cf44d8543217270788dd0d6d3325c4f9f41ce4ac73185d6bd2bcb4ef3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331504
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9517d93cf44d8543217270788dd0d6d3325c4f9f41ce4ac73185d6bd2bcb4ef3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331504.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 1: "Partite? ... Crudele!" - "In testa che avete, Signor di Ceprano" (Duca, Contessa di Ceprano / Rigoletto, Borsa, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.696
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.507
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.079
  additional property: Acousticness
    type: PropertyValue
    value: 0.916
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.291
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.367
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.721
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 2: Possente amor mi chiama (Duca, Borsa, Marullo, Ceprano, Coro)
type: MusicRecording
duration: PT3M12S
duration ms: 192000
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Paul Groves
by artist: Dwayne Croft
by artist: Yanni Yannissis
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331522
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:35:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4540cc1cd1215fc852dbcc040db9f16d243c52d8726ae888d9c8d4bcc23f146c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331522
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4540cc1cd1215fc852dbcc040db9f16d243c52d8726ae888d9c8d4bcc23f146c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331522.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 2: Possente amor mi chiama (Duca, Borsa, Marullo, Ceprano, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.858
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.298
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.322
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.426
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.326
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Rigoletto / Act 1: Gran nuova! Gran nuova! (Marullo, Coro)
type: MusicRecording
duration: PT0M39S
duration ms: 39400
explicit: false
by artist: Giuseppe Verdi
by artist: Dwayne Croft
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331505
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T02:58:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75437ac8c1cd7c6712326dff637f5bd71918ca556825ddcf5f17cd908d445f8d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331505
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75437ac8c1cd7c6712326dff637f5bd71918ca556825ddcf5f17cd908d445f8d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331505.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 1: Gran nuova! Gran nuova! (Marullo, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.956
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.581
  additional property: Energy
    type: PropertyValue
    value: 0.268
  additional property: Speechiness
    type: PropertyValue
    value: 0.188
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.699
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.641
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.228
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
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Rigoletto / Act 2: Scena ed Coro: "Povero Rigoletto!" (Marullo, Rigoletto, Borsa, Ceprano, Paggio, Coro)
type: MusicRecording
duration: PT3M41S
duration ms: 221600
explicit: false
by artist: Giuseppe Verdi
by artist: Dwayne Croft
by artist: Vladimir Chernov
by artist: Paul Groves
by artist: Yanni Yannissis
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331523
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:36:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d958650547b5f983ae5431533111900d59087e7693badba63912296a1fb7ef8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331523
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d958650547b5f983ae5431533111900d59087e7693badba63912296a1fb7ef8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331523.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 2: Scena ed Coro: "Povero Rigoletto!" (Marullo, Rigoletto, Borsa, Ceprano, Paggio, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.859
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.42
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.102
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.27
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.124
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.056
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rigoletto / Act 1: Ah, più di Ceprano (Duca, Rigoletto, Ceprano, Borsa, Marullo, Coro)
type: MusicRecording
duration: PT1M55S
duration ms: 115400
explicit: false
by artist: Giuseppe Verdi
by artist: Dwayne Croft
by artist: Luciano Pavarotti
by artist: Vladimir Chernov
by artist: Yanni Yannissis
by artist: Paul Groves
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331506
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T03:41:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde4ed64486dafeb66fb08323927386ef5366b4581f92ee386865bc2075e89d12
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331506
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde4ed64486dafeb66fb08323927386ef5366b4581f92ee386865bc2075e89d12. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331506.
  date published: 2026-07-02T03:30:09Z
audio: Rigoletto / Act 1: Ah, più di Ceprano (Duca, Rigoletto, Ceprano, Borsa, Marullo, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.132
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.492
  additional property: Energy
    type: PropertyValue
    value: 0.425
  additional property: Speechiness
    type: PropertyValue
    value: 0.109
  additional property: Acousticness
    type: PropertyValue
    value: 0.936
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.602
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.769
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.795
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 2: Cortigiani, vil razza dannata (Rigoletto)
type: MusicRecording
duration: PT4M27S
duration ms: 267973
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331524
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T18:38:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xacb69850001c26f104d0a84c69b04f4293ae734db03283e94607c31c9a53231c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331524
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacb69850001c26f104d0a84c69b04f4293ae734db03283e94607c31c9a53231c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331524.
  date published: 2026-06-13T17:25:41Z
audio: Rigoletto / Act 2: Cortigiani, vil razza dannata (Rigoletto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.269
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.256
  additional property: Energy
    type: PropertyValue
    value: 0.178
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.12
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.33
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 1: Ch'io gli parli (Monterone, Duca, Borsa, Rigoletto, Marullo, Ceprano, Coro)
type: MusicRecording
duration: PT4M28S
duration ms: 268533
explicit: false
by artist: Giuseppe Verdi
by artist: Ildebrando D'Arcangelo
by artist: Luciano Pavarotti
by artist: Paul Groves
by artist: Vladimir Chernov
by artist: Dwayne Croft
by artist: Yanni Yannissis
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331507
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T07:16:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2fcb4d9d6bcdcb166e189ef73def240abfc479617007cbfebeec31abf47f42d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331507
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2fcb4d9d6bcdcb166e189ef73def240abfc479617007cbfebeec31abf47f42d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331507.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 1: Ch'io gli parli (Monterone, Duca, Borsa, Rigoletto, Marullo, Ceprano, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.861
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.322
  additional property: Speechiness
    type: PropertyValue
    value: 0.078
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.176
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.466
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 2: Scena e Duetto: "Mio padre!" / "Dio! Mia Gilda!" (Gilda, Rigoletto, Borsa, Marullo, Ceprano, Coro)
type: MusicRecording
duration: PT1M50S
duration ms: 110600
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Vladimir Chernov
by artist: Paul Groves
by artist: Dwayne Croft
by artist: Yanni Yannissis
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331525
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:06:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1ce45260a77a7db4b9cfea60bd9597bd68c4e32c70882766778aeb2b3e861b7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331525
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ce45260a77a7db4b9cfea60bd9597bd68c4e32c70882766778aeb2b3e861b7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331525.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 2: Scena e Duetto: "Mio padre!" / "Dio! Mia Gilda!" (Gilda, Rigoletto, Borsa, Marullo, Ceprano, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.709
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.185
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.381
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rigoletto / Act 2: Tutte le feste al tempio (Gilda, Rigoletto)
type: MusicRecording
duration: PT3M9S
duration ms: 189826
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331526
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:07:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59651254b78f3b08761d444a8998f8d041f6a97668716d86e74d96d6e2582199
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331526
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59651254b78f3b08761d444a8998f8d041f6a97668716d86e74d96d6e2582199. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331526.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 2: Tutte le feste al tempio (Gilda, Rigoletto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.485
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.242
  additional property: Energy
    type: PropertyValue
    value: 0.101
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.593
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.25
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 2: Ah! Solo per me l'infamia (Rigoletto, Gilda)
type: MusicRecording
duration: PT0M51S
duration ms: 51573
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:33:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x205220b9f58d4a441d71ebe21a4b6a3b75d723c92282e1950c2b8c1a82c5b958
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957819
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957819
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331527
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:53:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x205220b9f58d4a441d71ebe21a4b6a3b75d723c92282e1950c2b8c1a82c5b958. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331527.
  date published: 2026-07-13T07:53:33Z
audio: Rigoletto / Act 2: Ah! Solo per me l'infamia (Rigoletto, Gilda)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.284
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.36
  additional property: Energy
    type: PropertyValue
    value: 0.208
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.228
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.522
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rigoletto / Act 1: Recitativo e Duetto. "Pari siamo!... io la lingua"(Rigoletto)
type: MusicRecording
duration: PT3M37S
duration ms: 217573
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331509
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T02:45:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x19b5bf5a13bc2606f68a7ffcfb811e3039213230ecb3d17a016408f11742becf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331509
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19b5bf5a13bc2606f68a7ffcfb811e3039213230ecb3d17a016408f11742becf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331509.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 1: Recitativo e Duetto. "Pari siamo!... io la lingua"(Rigoletto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.021
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.338
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.324
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.043
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.003
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 2: "Ah! piangi, fanciulla" / "Padre, in voi parla un angiol" (Rigoletto, Gilda)
type: MusicRecording
duration: PT3M18S
duration ms: 198933
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Cheryl Studer
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331528
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T14:31:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d6c41b33cf1d8d9a51c03560cfc940baa899c4006ef9df1d343cefdfc956987
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331528
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d6c41b33cf1d8d9a51c03560cfc940baa899c4006ef9df1d343cefdfc956987. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331528.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 2: "Ah! piangi, fanciulla" / "Padre, in voi parla un angiol" (Rigoletto, Gilda)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.427
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.146
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.613
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.395
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 1: "Figlia!" / "Mio padre!" (Rigoletto, Gilda)
type: MusicRecording
duration: PT5M15S
duration ms: 315066
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Cheryl Studer
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T03:41:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0858a4cbed28b25445a5c773a0e54616b50719c610e066f035532b73647a1e72
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0858a4cbed28b25445a5c773a0e54616b50719c610e066f035532b73647a1e72. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331510.
  date published: 2026-07-02T03:30:09Z
audio: Rigoletto / Act 1: "Figlia!" / "Mio padre!" (Rigoletto, Gilda)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.175
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.274
  additional property: Energy
    type: PropertyValue
    value: 0.19
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.199
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.174
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 2: "Schiudete! ire al carcere" - "Poiché fosti invano da me maledetto" (Usciere / Monterone, Rigoletto)
type: MusicRecording
duration: PT0M49S
duration ms: 49400
explicit: false
by artist: Giuseppe Verdi
by artist: Ildebrando D'Arcangelo
by artist: Vladimir Chernov
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331529
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:06:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4121a1b423377bf5d7e27cfa2fd5eb200ccdb893afc9e78e6fdc75f0baf971ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331529
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4121a1b423377bf5d7e27cfa2fd5eb200ccdb893afc9e78e6fdc75f0baf971ec. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331529.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 2: "Schiudete! ire al carcere" - "Poiché fosti invano da me maledetto" (Usciere / Monterone, Rigoletto)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.339
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.308
  additional property: Energy
    type: PropertyValue
    value: 0.433
  additional property: Speechiness
    type: PropertyValue
    value: 0.084
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.506
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.092
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.571
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 1: "Già da tre lune son qui venuta" - "Olà?" / "Signor?" (Gilda, Rigoletto / Rigoletto, Giovanna)
type: MusicRecording
duration: PT1M8S
duration ms: 68333
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Vladimir Chernov
by artist: Jane Shaulis
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:40:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e65da4e5a435dac1dbec8e250fd6eacc9b1ef72133f095d0f1c6b7012701f7a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331511
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e65da4e5a435dac1dbec8e250fd6eacc9b1ef72133f095d0f1c6b7012701f7a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331511.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 1: "Già da tre lune son qui venuta" - "Olà?" / "Signor?" (Gilda, Rigoletto / Rigoletto, Giovanna)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.377
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.371
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.117
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.057
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.321
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.766
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 2: "Sì vendetta" / "O mio padre" (Rigoletto, Gilda)
type: MusicRecording
duration: PT2M15S
duration ms: 135093
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Cheryl Studer
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T02:44:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeffbcbddf17bd75eff965341948d910f38624e53ad69225b0edc643103cbd6f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331530
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeffbcbddf17bd75eff965341948d910f38624e53ad69225b0edc643103cbd6f6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331530.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 2: "Sì vendetta" / "O mio padre" (Rigoletto, Gilda)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.661
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.405
  additional property: Energy
    type: PropertyValue
    value: 0.449
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.883
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.437
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.738
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rigoletto / Act 1: Ah, veglia, o donna, questo fiore (Rigoletto, Gilda, Giovanna, Duca)
type: MusicRecording
duration: PT5M13S
duration ms: 313626
explicit: false
by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Cheryl Studer
by artist: Luciano Pavarotti
by artist: Jane Shaulis
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:35:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c4d95b50fe72412c7e5c1506d6b6c754358a7e979081321eacfda67a5b81280
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331512
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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
audio: Rigoletto / Act 1: Ah, veglia, o donna, questo fiore (Rigoletto, Gilda, Giovanna, Duca)
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Rigoletto / Act 1: Scena e Duetto. "Giovanna, ho dei rimorsi" (Gilda, Giovanna, Duca)
type: MusicRecording
duration: PT2M43S
duration ms: 163773
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331513
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331513
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f40c5e98b3835260a44ec0de354a7022fcc4e6c7937a5ff2aa5ba6e3aa1303. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331513.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 1: Scena e Duetto. "Giovanna, ho dei rimorsi" (Gilda, Giovanna, Duca)
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Rigoletto / Act 1: "E il sol dell'anima"
type: MusicRecording
duration: PT2M54S
duration ms: 174893
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Cheryl Studer
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331514
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
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331514
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a57b4374a9409721db1cef2188a98e2e63cf5bc2c6b2feeb44a83795762b533. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331514.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 1: "E il sol dell'anima"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
    type: PropertyValue
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Rigoletto / Act 3: Quartetto. "Un dì, se ben rammentomi" (Duca, Gilda, Maddalena, Rigoletto)
type: MusicRecording
duration: PT1M25S
duration ms: 85160
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Cheryl Studer
by artist: Denyce Graves
by artist: Vladimir Chernov
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331533
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc20911d46732dde44d590233a0d6f13db47fddd93ff8652425f2796bd432e0e
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331533
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc20911d46732dde44d590233a0d6f13db47fddd93ff8652425f2796bd432e0e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331533.
  date published: 2026-07-02T03:55:08Z
audio: Rigoletto / Act 3: Quartetto. "Un dì, se ben rammentomi" (Duca, Gilda, Maddalena, Rigoletto)
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  additional property: Tempo (BPM)
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    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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Rigoletto / Act 1: "Che m'ami, deh! ripetimi" - "Addio... speranza ed anima" (Duca, Gilda, Ceprano, Borsa, Giovanna)
type: MusicRecording
duration: PT1M58S
duration ms: 118000
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Cheryl Studer
by artist: Yanni Yannissis
by artist: Paul Groves
by artist: Jane Shaulis
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331515
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
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331515
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2064be59060fed75f371447000a5bc9c937f012e4400a6b75a94edc0fd62663. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331515.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 1: "Che m'ami, deh! ripetimi" - "Addio... speranza ed anima" (Duca, Gilda, Ceprano, Borsa, Giovanna)
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    type: PropertyValue
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    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Rigoletto / Act 3: Bella figlia dell'amore (Duca, Maddalena, Gilda, Rigoletto)
type: MusicRecording
duration: PT3M53S
duration ms: 233040
explicit: false
by artist: Giuseppe Verdi
by artist: Luciano Pavarotti
by artist: Denyce Graves
by artist: Cheryl Studer
by artist: Vladimir Chernov
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331534
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb04e8c9900959a58cf8d35d680db69d03f6e4541d9f772a2e5595f505a148966
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331534
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb04e8c9900959a58cf8d35d680db69d03f6e4541d9f772a2e5595f505a148966. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331534.
  date published: 2026-06-13T12:53:06Z
audio: Rigoletto / Act 3: Bella figlia dell'amore (Duca, Maddalena, Gilda, Rigoletto)
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  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.237
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Rigoletto / Act 1: Scena ed Aria. "Gualtier Maldè ... Caro nome..." - "+ là..." / "Miratela" (Gilda / Borsa, Ceprano, Coro, Marullo)
type: MusicRecording
duration: PT6M24S
duration ms: 384240
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Paul Groves
by artist: Yanni Yannissis
by artist: Dwayne Croft
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331516
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4759ff80ad3512b10eec5b623a4bf4428937ce5fa040718593474d9ed7ed2d46. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059331516.
  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 1: Scena ed Aria. "Gualtier Maldè ... Caro nome..." - "+ là..." / "Miratela" (Gilda / Borsa, Ceprano, Coro, Marullo)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.432
  additional property: Musical Key
    type: PropertyValue
    value: 4
  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: 0.26
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Rigoletto / Act 3: "M'odi, ritorna a casa" - "Venti scudi, hai tu detto?" (Rigoletto, Gilda / Rigoletto, Sparafucile)
type: MusicRecording
duration: PT1M20S
duration ms: 80000
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Vladimir Chernov
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Verdi: Rigoletto
  type: MusicAlbum
  date published: 1998-01-01
genre: classical
genre: opera
isrc code: DEF059331535
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:13:17+00:00
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 3: "M'odi, ritorna a casa" - "Venti scudi, hai tu detto?" (Rigoletto, Gilda / Rigoletto, Sparafucile)
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Rigoletto / Act 1: Scena e Coro - Finale I. "Riedo!... perché?" / "Silencio...all'opra" (Rigoletto, Borsa, Ceprano, Marullo)
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by artist: Giuseppe Verdi
by artist: Vladimir Chernov
by artist: Paul Groves
by artist: Yanni Yannissis
by artist: Dwayne Croft
by artist: Metropolitan Opera Orchestra
by artist: James Levine
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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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  date published: 2026-07-02T11:34:59Z
audio: Rigoletto / Act 1: Scena e Coro - Finale I. "Riedo!... perché?" / "Silencio...all'opra" (Rigoletto, Borsa, Ceprano, Marullo)
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Rigoletto / Act 1: Zitti, zitti, moviamo a vendetta (Borsa, Marullo, Ceprano, Gilda, Rigoletto, Coro)
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by artist: Yanni Yannissis
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by artist: Vladimir Chernov
by artist: Metropolitan Opera Chorus
by artist: Metropolitan Opera Orchestra
by artist: James Levine
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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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  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 1: Zitti, zitti, moviamo a vendetta (Borsa, Marullo, Ceprano, Gilda, Rigoletto, Coro)
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Rigoletto / Act 3: Chi è mai, chi è qui in sua vece? (Rigoletto, Gilda)
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by artist: Metropolitan Opera Orchestra
by artist: James Levine
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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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  date published: 2026-07-02T11:38:34Z
audio: Rigoletto / Act 3: Chi è mai, chi è qui in sua vece? (Rigoletto, Gilda)
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Rigoletto / Act 3: "V'ho ingannato"
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duration: PT4M49S
duration ms: 289133
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by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Vladimir Chernov
by artist: Metropolitan Opera Orchestra
by artist: James Levine
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genre: classical
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Rigoletto / Act 3: "V'ho ingannato"
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Verdi, G.: Simon Boccanegra [Opera]
type: MusicAlbum
date published: 1991-01-01

Dvorák: Stabat mater, Op.58
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date published: 2001-01-01
track: Stabat mater, op.58: 1. Quartetto e Coro "Stabat mater dolorosa"
track: Stabat mater, op.58: 6. Tenore e Coro "Fac me vere tecum flere"
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  by artist: Johan Botha
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  by artist: Staatskapelle Dresden
  by artist: Giuseppe Sinopoli
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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track: Stabat mater, op.58: 2. Quartetto "Quis est homo, qui non fleret"
track: Stabat mater, op.58: 7. Coro "Virgo virginum praeclara"
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    date published: 2026-07-02T03:55:08Z
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track: Stabat mater, op.58: 10. Quartetto e Coro "Quando corpus morietur"

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