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description: Rosanna Carteri (14 December 193025 October 2020) was an Italian soprano, primarily active from the 1950s through the mid 1960s. After her debut in Rome at age 19 as Elsa in Wagner's Lohengrin, she ap
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William Tell
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  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T12:24:41Z
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track: Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
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  by artist: Philadelphia Orchestra
  by artist: Eugene Ormandy
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    date published: 2014-08-12
  genre: classical
  genre: classical-piano
  genre: late-romantic-era
  genre: norwegian-classical
  genre: orchestral
  isrc code: US6R21474161
  additional property: CopyrightID
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
track: Carmina Burana: O Fortuna
track: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
track: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
track: Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight Sonata": I. Adagio sostenuto
track: Nocturne in E-Flat Major, Op. 9, No.2

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

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9154f7abd50ee06de7926ae1c373042956e9c6176c797ab5eb0af4be05e81b4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21474161 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
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Carmina Burana: O Fortuna
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duration: PT2M47S
duration ms: 167853
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by artist: Carl Orff
by artist: Mayfair Philharmonic Orchestra
by artist: Sir Thomas Beecham
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  date published: 2014-08-12
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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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  date published: 2026-07-31T23:51:35Z
audio: Carmina Burana: O Fortuna
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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duration: PT7M28S
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by artist: Ludwig van Beethoven
by artist: Chicago Symphony Orchestra
by artist: Fritz Reiner
in album: The World's Greatest Classical Music
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  date published: 2014-08-12
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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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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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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duration: PT2M15S
duration ms: 135040
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by artist: Edvard Grieg
by artist: Plovdiv Philharmonic Orchestra
by artist: Rouslan Raichev
in album: The World's Greatest Classical Music
  type: MusicAlbum
  date published: 2014-08-12
genre: classical
genre: classical-piano
genre: late-romantic-era
genre: norwegian-classical
genre: orchestral
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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: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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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
audio: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight Sonata": I. Adagio sostenuto
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duration: PT6M27S
duration ms: 387262
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by artist: Ludwig van Beethoven
by artist: Martin Jacoby
in album: The World's Greatest Classical Music
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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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 0xdc7b6fa717e84e3d6e3bbee57199118389c7cea2911d0737d618f7e4806612db. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/US6R21474171 — a six-check JSON result.
  date published: 2026-07-29T11:07:37Z
audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight Sonata": I. Adagio sostenuto
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Nocturne in E-Flat Major, Op. 9, No.2
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duration: PT5M21S
duration ms: 321457
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by artist: Martin Jacoby
in album: The World's Greatest Classical Music
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  date published: 2014-08-12
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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Bach to School
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40 Essential Pieces of Classical Music
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La Bohème
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date published: 1952

50 Classical Works for Long Car Journeys
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The Greatest Classical Music on Earth
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Magnificent Classical Music
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The Only Classical Music You Need to Hear
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