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description: Stewart Goodyear (born February 1978) is a Canadian concert pianist and composer. He is best known for performing all 32 Beethoven sonatas in a single day, a feat he has done at Koerner Hall (Toronto)
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track: Quatre pièces fugitives, Op. 15: No. 1, Larghetto
track: Quatre pièces fugitives, Op. 15: No. 3, Andante espressivo
track: Three Romances for Piano, Op. 11: No. 2, Andante - Allegro passionato
track: Romance in B Minor
track: Prelude and Fugue in F-Sharp Minor: I. Prelude
track: Prelude and Fugue in F-Sharp Minor: II. Fuga
track: Three Preludes and Fugues, Op. 16: I. Praeludium I. Andante
track: Three Preludes and Fugues, Op. 16: III. Praeludium II. Allegretto
track: Quatre pièces fugitives, Op. 15: No. 2, Un poco agitato
track: Piano Trio in G Minor, Op. 17: I. Allegro moderato
track: Piano Trio in G Minor, Op. 17: II. Scherzo - Tempo di Menuetto
track: Piano Trio in G Minor, Op. 17: III. Andante più animato
track: Piano Trio in G Minor, Op. 17: IV. Allegretto
track: Three Romances for Piano, Op. 11: No. 1, Andante
track: Three Romances for Piano, Op. 11: No. 3, Moderato
track: Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 1
track: Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 2
track: Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 3
track: Three Preludes and Fugues, Op. 16: II. Fuga I. Allegro vivace
track: Three Preludes and Fugues, Op. 16: IV. Fuga II. Andante

Quatre pièces fugitives, Op. 15: No. 1, Larghetto
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Quatre pièces fugitives, Op. 15: No. 3, Andante espressivo
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Three Romances for Piano, Op. 11: No. 2, Andante - Allegro passionato
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Romance in B Minor
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Prelude and Fugue in F-Sharp Minor: I. Prelude
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Prelude and Fugue in F-Sharp Minor: II. Fuga
type: MusicRecording
duration: PT2M25S
duration ms: 145493
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
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genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSVerifyInstructions
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Prelude and Fugue in F-Sharp Minor: II. Fuga
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Three Preludes and Fugues, Op. 16: I. Praeludium I. Andante
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duration: PT1M57S
duration ms: 117733
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
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  date published: 2023-09-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Three Preludes and Fugues, Op. 16: I. Praeludium I. Andante
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Three Preludes and Fugues, Op. 16: III. Praeludium II. Allegretto
type: MusicRecording
duration: PT2M14S
duration ms: 134453
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
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  date published: 2023-09-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Three Preludes and Fugues, Op. 16: III. Praeludium II. Allegretto
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Quatre pièces fugitives, Op. 15: No. 2, Un poco agitato
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duration: PT2M1S
duration ms: 121186
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Atmosphere and Mastery
  type: MusicAlbum
  date published: 2023-03-24
popularity: 4
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a11a783c6e7fdda0081ae98f43342b5652a8ea905ee958ab96d584eb03d564f. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/CALC42200710.
  date published: 2026-07-29T19:35:34Z
audio: Quatre pièces fugitives, Op. 15: No. 2, Un poco agitato
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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

Piano Trio in G Minor, Op. 17: I. Allegro moderato
type: MusicRecording
duration: PT9M49S
duration ms: 589626
explicit: false
by artist: Clara Schumann
by artist: Yosuke Kawasaki
by artist: Rachel Mercer
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Atmosphere and Mastery
  type: MusicAlbum
  date published: 2023-03-24
popularity: 4
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T14:28:24Z
audio: Piano Trio in G Minor, Op. 17: I. Allegro moderato
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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

Piano Trio in G Minor, Op. 17: II. Scherzo - Tempo di Menuetto
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duration: PT4M51S
duration ms: 291413
explicit: false
by artist: Clara Schumann
by artist: Yosuke Kawasaki
by artist: Rachel Mercer
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Atmosphere and Mastery
  type: MusicAlbum
  date published: 2023-03-24
popularity: 3
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:20:38Z
audio: Piano Trio in G Minor, Op. 17: II. Scherzo - Tempo di Menuetto
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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

Piano Trio in G Minor, Op. 17: III. Andante più animato
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duration: PT5M18S
duration ms: 318520
explicit: false
by artist: Clara Schumann
by artist: Yosuke Kawasaki
by artist: Rachel Mercer
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Atmosphere and Mastery
  type: MusicAlbum
  date published: 2023-03-24
popularity: 3
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T14:28:24Z
audio: Piano Trio in G Minor, Op. 17: III. Andante più animato
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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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isrc code: CALC42200807
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Piano Trio in G Minor, Op. 17: IV. Allegretto
type: MusicRecording
duration: PT7M15S
duration ms: 435386
explicit: false
by artist: Clara Schumann
by artist: Yosuke Kawasaki
by artist: Rachel Mercer
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Atmosphere and Mastery
  type: MusicAlbum
  date published: 2023-03-24
popularity: 3
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71dfaea398308082206596a94ddf8510680c711021e1754ae272a7c73aa4f2b4. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/CALC42200808.
  date published: 2026-07-29T21:09:47Z
audio: Piano Trio in G Minor, Op. 17: IV. Allegretto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: CALC42200808
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47+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

Three Romances for Piano, Op. 11: No. 1, Andante
type: MusicRecording
duration: PT2M57S
duration ms: 177080
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
  type: MusicAlbum
  date published: 2023-09-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b8a735190c95104a4133c7fbc79c2c7380f7530257bf6926f1ff020330a47d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/CALC42302408.
  date published: 2026-07-29T19:35:34Z
audio: Three Romances for Piano, Op. 11: No. 1, Andante
  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
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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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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isrc code: CALC42302408
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Three Romances for Piano, Op. 11: No. 3, Moderato
type: MusicRecording
duration: PT3M32S
duration ms: 212413
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
  type: MusicAlbum
  date published: 2023-09-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b46b7584427d3d8e0c3434f94684a8dbd0efe6bab35566c7dc13f4795b74728. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/CALC42302410.
  date published: 2026-07-30T03:35:13Z
audio: Three Romances for Piano, Op. 11: No. 3, Moderato
  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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    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
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.17
  additional property: Loudness (dB)
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isrc code: CALC42302410
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 1
type: MusicRecording
duration: PT2M6S
duration ms: 126493
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
  type: MusicAlbum
  date published: 2023-09-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb647b9d97fa4c04d87289525fbf7b83872f1c73dfe35ef0a9eca408882622646. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/CALC42302505.
  date published: 2026-07-30T02:30:29Z
audio: Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 1
  type: AudioObject
  additional property: Tempo (BPM)
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  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: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.904
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.41
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.048
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: CALC42302505
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:30:29+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

Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 2
type: MusicRecording
duration: PT3M16S
duration ms: 196160
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
  type: MusicAlbum
  date published: 2023-09-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15ecb2279ee05a02f44969b00316ee7f319cd57a37f618a59077c4cca4773ee7. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/CALC42302506.
  date published: 2026-07-30T07:28:30Z
audio: Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 2
  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
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.891
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.363
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.159
  additional property: Key Name
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    value: E
  additional property: Mode Name
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isrc code: CALC42302506
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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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/960220
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

Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 3
type: MusicRecording
duration: PT2M34S
duration ms: 154640
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
  type: MusicAlbum
  date published: 2023-09-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f84fc90888157130a933e32e3d64800c8393ef39a6694d413e97e97acc23ad2. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/CALC42302507.
  date published: 2026-07-30T12:06:10Z
audio: Three Fugues on Themes of Sebastian Bach: Fuga a 4 voci No. 3
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  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
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.771
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.936
  additional property: Key Name
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    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: CALC42302507
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  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: 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

Three Preludes and Fugues, Op. 16: II. Fuga I. Allegro vivace
type: MusicRecording
duration: PT1M36S
duration ms: 96426
explicit: false
by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
  type: MusicAlbum
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Three Preludes and Fugues, Op. 16: IV. Fuga II. Andante
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by artist: Clara Schumann
by artist: Stewart Goodyear
by artist: Alexander Shelley
by artist: Canada's National Arts Centre Orchestra
in album: Clara, Robert, Johannes: Romance and Counterpoint
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