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subject of: OpenTimestamps Proof of Existence
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album: Haydn: The Complete Mass Edition
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album: Haydn: Theresienmesse & Kleine Orgelmesse
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album: Great Operatic Arias, Vol. 16
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album: Howells: Missa Sabrinensis & Stabat Mater
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album: Howells: Missa Sabrinensis
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album: Dvorak: Stabat Mater
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-30T07:48:45Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T06:42:11Z
    audio: Stabat Mater, Op. 58, B. 71: II. Quis est homo
  track: Stabat Mater, Op. 58, B. 71: III. Eia, mater, fons amoris
  track: Stabat Mater, Op. 58, B. 71: IV. Fac ut ardeat cor meum
  track: Stabat Mater, Op. 58, B. 71: V. Tui nati vulnerati
  track: Stabat Mater, Op. 58, B. 71: VI. Fac me vere tecum flere
  track: Stabat Mater, Op. 58, B. 71: VII. Virgo, virginum praeclara
  track: Stabat Mater, Op. 58, B. 71: VIII. Fac ut portem Christi mortem
  track: Stabat Mater, Op. 58, B. 71: IX. Inflammatus et accensus
  track: Stabat Mater, Op. 58, B. 71: X. Quando corpus morietur
  track: Stabat Mater, Op. 58, B. 71: XI. Amen
album: Verdi: Don Carlos
album: Britten: Owen Wingrave
album: Mozart: Cosi fan tutte
album: Great Operatic Arias, Vol. 17
album: Britten: Peter Grimes
album: Great Operatic Arias, Vol. 15
album: Janáček: Jenůfa
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album: McEwen: Hymn on the Morning of Christ's Nativity
album: Armstrong: Orchestral and Choral Works
album: MacCunn: Land of the Mountain and the Flood & Other Orchestral Works
album: Poulenc: Gloria & Stabat Mater
album: George Lloyd A Litany: Part 3 'For that fair blessed mother-maid
album: Don't Leave Me - Single
track: Orff: Carmina Burana, Introduction, Fortuna Imperatrix Mundi: O Fortuna
track: Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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Stabat Mater, Op. 58, B. 71: III. Eia, mater, fons amoris
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
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Stabat Mater, Op. 58, B. 71: IV. Fac ut ardeat cor meum
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subject of: OpenTimestamps Proof of Existence
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Stabat Mater, Op. 58, B. 71: V. Tui nati vulnerati
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  date published: 2026-07-31T20:22:46Z
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Stabat Mater, Op. 58, B. 71: VI. Fac me vere tecum flere
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by artist: Neeme Järvi
by artist: Dagmar Peckova
by artist: London Philharmonic Choir
by artist: Peter Rose (bass)
by artist: Peter Auty (tenor)
by artist: London Philharmonic Orchestra
by artist: Janice Watson
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genre: late-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
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Stabat Mater, Op. 58, B. 71: VII. Virgo, virginum praeclara
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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Stabat Mater, Op. 58, B. 71: VIII. Fac ut portem Christi mortem
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by artist: Peter Rose (bass)
by artist: London Philharmonic Orchestra
by artist: London Philharmonic Choir
by artist: Janice Watson
by artist: Peter Auty (tenor)
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genre: late-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Stabat Mater, Op. 58, B. 71: IX. Inflammatus et accensus
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Stabat Mater, Op. 58, B. 71: X. Quando corpus morietur
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Stabat Mater, Op. 58, B. 71: XI. Amen
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Verdi: Don Carlos
type: MusicAlbum
date published: 2009-11-01

Britten: Owen Wingrave
type: MusicAlbum
date published: 2008-06-01

Mozart: Cosi fan tutte
type: MusicAlbum
date published: 2008-04-01

Great Operatic Arias, Vol. 17
type: MusicAlbum
date published: 2005-08-01

Britten: Peter Grimes
type: MusicAlbum
date published: 2004-07-12

Great Operatic Arias, Vol. 15
type: MusicAlbum
date published: 2004-06-01

Janáček: Jenůfa
type: MusicAlbum
date published: 2004-05-01

Great Operatic Arias, Vol. 14
type: MusicAlbum
date published: 2004-03-01

McEwen: Hymn on the Morning of Christ's Nativity
type: MusicAlbum
date published: 1998-10-01

Armstrong: Orchestral and Choral Works
type: MusicAlbum
date published: 1998-06-01

MacCunn: Land of the Mountain and the Flood & Other Orchestral Works
type: MusicAlbum
date published: 1995-11-01
track: Land of the Mountain and the Flood, Op. 3
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  by artist: BBC Scottish Symphony Orchestra
  by artist: Martyn Brabbins
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    date published: 1995-11-01
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  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlock
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    type: PropertyValue
    value: https://blockstream.info/api/block-height/960334
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9581501
  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 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 0xc0374c098e10caac688ac3e3c09129392bff1358d92ce91eff2574ee2e8cc460. 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/GBAJY9581501.
    date published: 2026-07-31T02:19:15Z
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    additional property: Energy
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Poulenc: Gloria & Stabat Mater
type: MusicAlbum
date published: 1979-01-01

George Lloyd A Litany: Part 3 'For that fair blessed mother-maid
type: MusicAlbum
date published: 2024-04-05

Don't Leave Me - Single
type: MusicAlbum
date published: 2017-10-27

Janáček: Jenůfa
type: MusicAlbum
date published: 2004-05-01

Orff: Carmina Burana, Introduction, Fortuna Imperatrix Mundi: O Fortuna
type: MusicRecording
duration: PT2M36S
duration ms: 156360
explicit: false
by artist: Carl Orff
by artist: Janice Watson
by artist: James Bowman
by artist: Donald Maxwell
by artist: Bournemouth Symphony Chorus
by artist: Waynflete Singers
by artist: Highcliffe Junior Choir
by artist: Bournemouth Symphony Orchestra
by artist: David Hill
in album: Orff: Carmina Burana - Holst: The Planets
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popularity: 30
isrc code: GBAYC9400066
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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400066
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: 2026-06-13T13:32:09Z
audio: Orff: Carmina Burana, Introduction, Fortuna Imperatrix Mundi: O Fortuna
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Danceability
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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: Valence (Positivity)
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  additional property: Loudness (dB)
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
type: MusicRecording
duration: PT1M31S
duration ms: 91466
explicit: false
by artist: Léo Delibes
by artist: Carl Davis
by artist: Royal Liverpool Philharmonic Orchestra
by artist: Janice Watson
by artist: Ruby Philogene
by artist: The King's Division Normandy Band
in album: J'aime pas le classique mais ca j'aime bien
  type: MusicAlbum
  date published: 2008-12-12
popularity: 18
genre: classical
isrc code: GBARU0000054
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
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU0000054
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 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 0x2b7a0edc149068dcd165025864710501d9330aec925aca9e28422a6ca7129aee. 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/GBARU0000054.
  date published: 2026-07-02T03:30:09Z
audio: Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
  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
    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
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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)
    type: PropertyValue
    value: -19.268
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
type: MusicRecording
duration: PT1M31S
duration ms: 91466
explicit: false
by artist: Léo Delibes
by artist: Carl Davis
by artist: Royal Liverpool Philharmonic Orchestra
by artist: Janice Watson
by artist: Ruby Philogene
by artist: The King's Division Normandy Band
in album: Ich mag keine Klassik, aber das gefällt mir!
  type: MusicAlbum
  date published: 2009-11-06
popularity: 9
genre: classical
isrc code: GBARU0000054
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
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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/GBARU0000054
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 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 0x2b7a0edc149068dcd165025864710501d9330aec925aca9e28422a6ca7129aee. 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/GBARU0000054.
  date published: 2026-07-02T03:55:08Z
audio: Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
  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
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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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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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
type: MusicRecording
duration: PT1M33S
duration ms: 93840
explicit: false
by artist: Léo Delibes
by artist: Carl Davis
by artist: Royal Liverpool Philharmonic Orchestra
by artist: Janice Watson
by artist: Ruby Philogene
by artist: The King's Division Normandy Band
in album: Je n'aime Pas l'opéra mais ça j'aime bien
  type: MusicAlbum
  date published: 2012-04-02
popularity: 4
genre: classical
isrc code: GBARU0000054
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU0000054
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 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 0x2b7a0edc149068dcd165025864710501d9330aec925aca9e28422a6ca7129aee. 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/GBARU0000054.
  date published: 2026-07-08T03:20:19Z
audio: Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
  type: AudioObject
  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
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Lakme: Flower Duet
type: MusicRecording
duration: PT1M32S
duration ms: 92280
explicit: false
by artist: Ruby Philogene
by artist: Janice Watson
by artist: Carl Davis
in album: Fleur Bleue
  type: MusicAlbum
  date published: 2010-05-03
popularity: 4
genre: classical
genre: opera
isrc code: GBARU0000054
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU0000054
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 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 0x2b7a0edc149068dcd165025864710501d9330aec925aca9e28422a6ca7129aee. 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/GBARU0000054.
  date published: 2026-07-08T03:20:19Z
audio: Lakme: Flower Duet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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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: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
type: MusicRecording
duration: PT1M36S
duration ms: 96693
explicit: false
by artist: Léo Delibes
by artist: Carl Davis
by artist: Royal Liverpool Philharmonic Orchestra
by artist: Janice Watson
by artist: Ruby Philogene
by artist: The King's Division Normandy Band
in album: The Wedding Album
  type: MusicAlbum
  date published: 2018-05-04
popularity: 2
genre: classical
isrc code: GBARU0000054
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
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU0000054
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 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: Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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