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type: MusicGroup
genre: opera
popularity: 2
followers: 34
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T14:36:29Z
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  date published: 2023-02-03
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    by artist: Orchestra of the Colon Theatre
    by artist: Erich Leinsdorf
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      type: MusicAlbum
      date published: 2023-02-03
    genre: classical
    genre: opera
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed02b38ab7dfa6b9b0b08de7d40fa5babead4bc9a7ce3dde1c41db68ede9b445. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2202740 — a six-check JSON result.
      date published: 2026-07-30T06:39:12Z
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album: Turandot
  type: MusicAlbum
  date published: 2022-07-01
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    by artist: Chorus and Orchestra of the Colon Theatre
    by artist: Fernando Previtali
    by artist: José Crea
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    by artist: Montserrat Caballé
    by artist: Viktor de Narké
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      type: MusicAlbum
      date published: 2022-07-01
    popularity: 2
    isrc code: USB8U2201508
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
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  track: TURANDOT: Gira la cote!
album: Strauss: Die schweigsame Frau, Op. 80
album: Richard Strauss: Der Rosenkavalier, Op. 59, TrV 227 [Recorded 1961]
album: Donizetti: Lucia di Lammermoor (1972)
album: Die Walküre - Abridged Act 1 and 2
album: De Falla: La vida breve, El amor brujo & El sombrero de tres picos
album: La forza del destino
album: Debussy: Pelléas et Mélisande (Live Recording, Geneva 1969)
album: OPERA ARIAS
album: Strauss: Die schweigsame Frau (1961)
album: VERDI: LA FORZA DEL DESTINO
album: DONIZETTI: LUCIA DI LAMMERMOOR

Acousticness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Mode Name
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TURANDOT: Gira la cote!
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duration: PT2M32S
duration ms: 152533
explicit: false
by artist: Giacomo Puccini
by artist: Chorus and Orchestra of the Colon Theatre
by artist: Fernando Previtali
by artist: Chorus
by artist: Montserrat Caballé
by artist: Viktor de Narké
in album: Turandot
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  date published: 2022-07-01
popularity: 1
isrc code: USB8U2201509
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53391930dfa57b99948cb761615d73ee5626190b51bccd84336d74eefe61884a. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2201509 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
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Strauss: Die schweigsame Frau, Op. 80
type: MusicAlbum
date published: 2015-10-08

Richard Strauss: Der Rosenkavalier, Op. 59, TrV 227 [Recorded 1961]
type: MusicAlbum
date published: 2014-08-01

Donizetti: Lucia di Lammermoor (1972)
type: MusicAlbum
date published: 2011-10-04

Die Walküre - Abridged Act 1 and 2
type: MusicAlbum
date published: 2021-08-06

De Falla: La vida breve, El amor brujo & El sombrero de tres picos
type: MusicAlbum
date published: 2001-09-11

La forza del destino
type: MusicAlbum
date published: 1998-10-25
track: Verdi: La forza del destino: Fratello... - Riconoscimi - Alvaro - Act Four
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  by artist: Giuseppe Verdi
  by artist: Plácido Domingo
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    date published: 1998-10-25
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  genre: opera
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54f69387392dcb5841afee6ba4425d75e1f62a4d0cd3800fbfc2abcb84c1cec. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US89R0696332 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
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Debussy: Pelléas et Mélisande (Live Recording, Geneva 1969)
type: MusicAlbum
date published: 2004-01-01

OPERA ARIAS
type: MusicAlbum
date published: 1995-01-06

Strauss: Die schweigsame Frau (1961)
type: MusicAlbum
date published: 2014-12-01

VERDI: LA FORZA DEL DESTINO
type: MusicAlbum
date published: 1994-01-06

DONIZETTI: LUCIA DI LAMMERMOOR
type: MusicAlbum
date published: 1994-01-06