Helen Field
type: MusicGroup
genre: opera
popularity: 10
followers: 64
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additional property: CopyrightChainExplorerURL
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T10:56:20Z
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album: Coleridge-Taylor: Hiawatha
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  track: Hiawatha / Hiawatha's Wedding Feast: You shall hear how Pau-Puk-Keewis
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    by artist: Welsh National Opera Chorus
    by artist: Welsh National Opera Orchestra
    by artist: Kenneth Alwyn
    in album: Coleridge-Taylor: Hiawatha
      type: MusicAlbum
      date published: 1991-01-01
    genre: post-romantic-era
    genre: victorian-britain
    genre: light-music
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f1ff71c64d8b99b7a763a92ca66e1bb5feef1d0e4b27f7f00b13f20553285c3. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GBF079041102.
      date published: 2026-07-08T03:39:04Z
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album: Brian: The Cenci (Live)
  type: MusicAlbum
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album: Bernard Haitink - Homage
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album: Delius: A Village Romeo and Juliet
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album: Verdi: Rigoletto
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album: Janáček: Osud (Fate)
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album: Caneuon Dilys Elwyn-Edwards & Morfudd 'Llwyn' Owen
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album: Bach, Handel & Scarlatti: Arias for Soprano and Trumpet
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album: RACHMANINOV: Bells / Rock (The)
  type: MusicAlbum
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  track: Kolokola (The Bells), Op. 35: I. Allegro, ma non tanto
  track: Kolokola (The Bells), Op. 35: II. Lento
  track: Kolokola (The Bells), Op. 35: III. Presto
  track: Kolokola (The Bells), Op. 35: IV. Lento lugubre - Allegro - Andante - Tempo I
album: Delius Edition
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    by artist: Frederick Delius
    by artist: Welsh National Opera Orchestra
    by artist: Sir Charles Mackerras
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      type: MusicAlbum
      date published: 2011-01-01
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    subject of: OpenTimestamps Proof of Existence
    audio: Two Aquarelles: Lento, ma non troppo
  track: Intermezzo from 'Fennimore and Gerda'
  track: Florida - Suite For Orchestra: 1. Daybreak
album: A Verdi Celebration
album: Strauss: Agyptische Helena (Die)
album: Weinberg: The Passenger
album: Rachmaninov: Bells / Rock (The)

Kolokola (The Bells), Op. 35: I. Allegro, ma non tanto
type: MusicRecording
duration: PT6M41S
duration ms: 401040
explicit: false
by artist: Sergei Rachmaninoff
by artist: Oleg Melnikov
by artist: RTÉ Philharmonic Choir
by artist: Helen Field
by artist: Ivan Choupenitch
by artist: RTÉ National Symphony Orchestra
in album: RACHMANINOV: Bells / Rock (The)
  type: MusicAlbum
  date published: 2001-06-12
genre: classical
genre: classical-piano
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Kolokola (The Bells), Op. 35: I. Allegro, ma non tanto
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Kolokola (The Bells), Op. 35: II. Lento
type: MusicRecording
duration: PT10M50S
duration ms: 650880
explicit: false
by artist: Sergei Rachmaninoff
by artist: Oleg Melnikov
by artist: Helen Field
by artist: Ivan Choupenitch
by artist: RTÉ Philharmonic Choir
by artist: RTÉ National Symphony Orchestra
in album: RACHMANINOV: Bells / Rock (The)
  type: MusicAlbum
  date published: 2001-06-12
genre: classical
genre: classical-piano
isrc code: HKI199289403
additional property: CopyrightID
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Kolokola (The Bells), Op. 35: II. Lento
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Kolokola (The Bells), Op. 35: III. Presto
type: MusicRecording
duration: PT8M34S
duration ms: 514440
explicit: false
by artist: Sergei Rachmaninoff
by artist: Helen Field
by artist: RTÉ Philharmonic Choir
by artist: RTÉ National Symphony Orchestra
by artist: Oleg Melnikov
by artist: Ivan Choupenitch
in album: RACHMANINOV: Bells / Rock (The)
  type: MusicAlbum
  date published: 2001-06-12
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ab8f7c8f1ffe10298e7374114c52db32161eb1c957689d3671ab6dbf3f2c2bb. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199289404.
  date published: 2026-07-31T02:19:15Z
audio: Kolokola (The Bells), Op. 35: III. Presto
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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

Kolokola (The Bells), Op. 35: IV. Lento lugubre - Allegro - Andante - Tempo I
type: MusicRecording
duration: PT11M10S
duration ms: 670680
explicit: false
by artist: Sergei Rachmaninoff
by artist: Helen Field
by artist: RTÉ National Symphony Orchestra
by artist: RTÉ Philharmonic Choir
by artist: Ivan Choupenitch
by artist: Oleg Melnikov
in album: RACHMANINOV: Bells / Rock (The)
  type: MusicAlbum
  date published: 2001-06-12
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T21:35:24Z
audio: Kolokola (The Bells), Op. 35: IV. Lento lugubre - Allegro - Andante - Tempo I
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Rigoletto, Act III: If you want a faithful lover (Bella figlia dell'amore) (Maddalena, Gilda, Rigoletto)
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by artist: Sir Mark Elder
by artist: English National Opera Orchestra
by artist: Helen Field
by artist: Jean Rigby
by artist: John Rawnsley
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  date published: 2001-05-01
genre: classical
genre: opera
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  date published: 2026-07-31T15:20:15Z
audio: Rigoletto, Act III: If you want a faithful lover (Bella figlia dell'amore) (Maddalena, Gilda, Rigoletto)
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Two Aquarelles: Lento, ma non troppo
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Intermezzo from 'Fennimore and Gerda'
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Intermezzo from 'Fennimore and Gerda'
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Florida - Suite For Orchestra: 1. Daybreak
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subject of: OpenTimestamps Proof of Existence
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audio: Florida - Suite For Orchestra: 1. Daybreak
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A Verdi Celebration
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date published: 2001-05-01
track: Rigoletto, Act III: Women abandon us (La donna e mobile) (The Duke)
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track: Rigoletto, Act III: If you want a faithful lover (Bella figlia dell'amore) (Maddalena, Gilda, Rigoletto)

Strauss: Agyptische Helena (Die)
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Weinberg: The Passenger
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Rachmaninov: Bells / Rock (The)
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