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genre: classical
popularity: 7
followers: 88
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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 → block must exist at that height 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ab081c62bb2b354ecae8abc8545a31eddeeae175828f44e9479cb149bcce5af. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2be5195d-8b01-4fc7-9a97-30f0355adb91.json and https://artists.proofprofile.net/proofs/artist/2be5195d-8b01-4fc7-9a97-30f0355adb91.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
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album: Frédéric Chopin: Nocturnes und Walzer
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  date published: 1996-01-22
  track: Nocturne, B-Moll, op. 9, No. 1: Larghetto
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      date published: 1996-01-22
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    additional property: OTSTimestamp
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      value: 2026-07-02T03:55:08Z
    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 → block OTSBitcoinBlock must exist at that height 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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x672c1caa9225c8fabd0959789fc912a8c093b61cc998f5fa19d387ffc2c5b83d. 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/DEA769902205.
      date published: 2026-07-02T03:55:08Z
  track: Nocturne, Es-Dur, op. 9, Nr. 2: Andante
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    by artist: Adolf Drescher
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      type: MusicAlbum
      date published: 1996-01-22
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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      value: 2026-07-08T03:20:19Z
    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 → block OTSBitcoinBlock must exist at that height 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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa157532f5c5649923fef00a43a35b58693e849e07796807f2e1a58898907acf4. 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/DEA769906202.
      date published: 2026-07-08T03:20:19Z
  track: Nocturne, Fis-Dur, op. 15, Nr. 2: Larghetto
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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 → block OTSBitcoinBlock must exist at that height 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 0xca259654aef58fc6e51cb99aa4d4e7897674ef49f2787f9c45f33d75409cb4f8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEA769906203.
      date published: 2026-07-08T08:56:20Z
  track: Nocturne, G-Moll, op. 15, Nr. 3: Lento
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      date published: 1996-01-22
  track: Nocturne, Cis-Moll, op. 27, Nr. 1: Larghetto
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    subject of: OpenTimestamps Proof of Existence
  track: Nocturne, Des-Dur, op. 27, Nr. 2: Lento sostenuto
  track: Nocturne, H-Dur, op. 32, Nr. 1: Andante sostenuto
  track: Nocturne, C-Moll, op. 48, Nr. 1: Lento
  track: Nocturne, Fis-Moll, op. 48, Nr. 2: Andantino
  track: Nocturne, E-Moll, op. 72, Nr. 1: Andante
  track: Walzer, As-Dur, op. 34, Nr. 1: Vivace
  track: Walzer, A-Moll, op. 34, Nr. 2: Lento
  track: Walzer, Des-Dur, op. 64, Nr. 1: Molto vivace
  track: Walzer, Cis-Moll, op. 64, Nr. 2: Tempo giusto
  track: Walzer, As-Dur, op. 69, Nr. 1: Tempo di Valse
  track: Walzer, F-Moll, op. 70, Nr. 2
album: Beethoven: Piano Concerto No. 5
album: Tschaikowsky: Piano Concerto No.1, Op.23
album: Beethoven: Klaviersonaten
album: Chopin Favourites
album: Piano Ensemble
track: Sonata for Piano No.24 F Sharp Major Op.78 'A Therese': Adagio Cantabile
track: Sonata for Piano No.24 F Sharp Major Op.78 'A Therese': Allegro Ma Non Troppo
track: Sonata for Piano No.24 F Sharp Major Op.78 'A Therese': Allegro Vivace
track: Nocturne, B-Moll, op. 9, No. 1: Larghetto
track: Nocturne, Es-Dur, op. 9, Nr. 2: Andante
track: Nocturne, Fis-Dur, op. 15, Nr. 2: Larghetto
track: Nocturne, G-Moll, op. 15, Nr. 3: Lento
track: Nocturne, Cis-Moll, op. 27, Nr. 1: Larghetto
track: Nocturne, Des-Dur, op. 27, Nr. 2: Lento sostenuto
track: Nocturne, H-Dur, op. 32, Nr. 1: Andante sostenuto
track: Nocturne, C-Moll, op. 48, Nr. 1: Lento
track: Nocturne, Fis-Moll, op. 48, Nr. 2: Andantino
track: Nocturne, E-Moll, op. 72, Nr. 1: Andante
track: Brahms: Waltz #15 In A Flat, Op. 39

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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56578b527052f63b33fd63cb025b66402faa6e3d1d89caed0124a1672d1f5259. 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/DEA769906205.
date published: 2026-07-08T03:39:04Z

Nocturne, Des-Dur, op. 27, Nr. 2: Lento sostenuto
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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 → block OTSBitcoinBlock must exist at that height 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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca10e680c369292902809eff9f33bf2586daf652fd9fd4787151e28e69dbb831. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEA769906206.
  date published: 2026-07-08T08:56:20Z

Nocturne, H-Dur, op. 32, Nr. 1: Andante sostenuto
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  type: MusicAlbum
  date published: 1996-01-22

Nocturne, C-Moll, op. 48, Nr. 1: Lento
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in album: Frédéric Chopin: Nocturnes und Walzer
  type: MusicAlbum
  date published: 1996-01-22
isrc code: DEA769906208

Nocturne, Fis-Moll, op. 48, Nr. 2: Andantino
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  date published: 1996-01-22
isrc code: DEA769906209

Nocturne, E-Moll, op. 72, Nr. 1: Andante
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA769906210
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 → block OTSBitcoinBlock must exist at that height 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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23e1284a53b41419c78f141d1cf84cb3a02f2ce352b38f266114fe51b29e4675. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEA769906210.
  date published: 2026-07-08T03:53:27Z

Walzer, As-Dur, op. 34, Nr. 1: Vivace
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by artist: Adolf Drescher
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  type: MusicAlbum
  date published: 1996-01-22

Walzer, A-Moll, op. 34, Nr. 2: Lento
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duration: PT5M28S
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by artist: Adolf Drescher
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  type: MusicAlbum
  date published: 1996-01-22

Walzer, Des-Dur, op. 64, Nr. 1: Molto vivace
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duration: PT1M51S
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by artist: Adolf Drescher
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  type: MusicAlbum
  date published: 1996-01-22

Walzer, Cis-Moll, op. 64, Nr. 2: Tempo giusto
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by artist: Adolf Drescher
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Walzer, As-Dur, op. 69, Nr. 1: Tempo di Valse
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  type: MusicAlbum
  date published: 1996-01-22
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Walzer, F-Moll, op. 70, Nr. 2
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  date published: 1996-01-22

Beethoven: Piano Concerto No. 5
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track: Piano Concerto No. 5 in E Major, Op. 73: II. Adagio un poco mosso
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track: Piano Concerto No. 5 in E Major, Op. 73: III. Rondo. Allegro
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Tschaikowsky: Piano Concerto No.1, Op.23
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track: Piano Concerto No.1, Op.23: I. Allegro non troppo e molto maestoso - Allegro con spirito
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track: Piano Concerto No.1, Op.23: III. Allegro con fuoco
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Beethoven: Klaviersonaten
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Chopin Favourites
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Piano Ensemble
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track: Rondo Capriccioso in E Major, Op. 14
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track: 16 Waltzes, Op. 39: No. 15 in A-Flat Major
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track: 8 Pieces for Piano, Op. 76: No. 8, Capriccio in C Major
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Sonata for Piano No.24 F Sharp Major Op.78 'A Therese': Adagio Cantabile
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Sonata for Piano No.24 F Sharp Major Op.78 'A Therese': Allegro Ma Non Troppo
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Sonata for Piano No.24 F Sharp Major Op.78 'A Therese': Allegro Vivace
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Nocturne, B-Moll, op. 9, No. 1: Larghetto
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Nocturne, Es-Dur, op. 9, Nr. 2: Andante
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Nocturne, Fis-Dur, op. 15, Nr. 2: Larghetto
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Nocturne, G-Moll, op. 15, Nr. 3: Lento
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Nocturne, Cis-Moll, op. 27, Nr. 1: Larghetto
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Nocturne, Des-Dur, op. 27, Nr. 2: Lento sostenuto
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Nocturne, H-Dur, op. 32, Nr. 1: Andante sostenuto
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Nocturne, C-Moll, op. 48, Nr. 1: Lento
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Nocturne, Fis-Moll, op. 48, Nr. 2: Andantino
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Nocturne, E-Moll, op. 72, Nr. 1: Andante
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Brahms: Waltz #15 In A Flat, Op. 39
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