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genre: classical
genre: classical piano
popularity: 17
followers: 954
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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 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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album: Joseph Moog - Klavier
  type: MusicAlbum
  date published: 2005-10-01
album: Metamorphose (n): Transcriptions for Piano After Romantics Composers
  type: MusicAlbum
  date published: 2009-03-01
  track: The Swan
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      date published: 2009-03-01
    genre: classical
    genre: classical piano
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    additional property: OTSVerifyInstructions
      type: PropertyValue
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T16:51:38Z
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album: Joseph Moog: Divergences
  type: MusicAlbum
  date published: 2010-02-01
album: F.Liszt: Recital - Joseph Moog
  type: MusicAlbum
  date published: 2011-05-02
album: Rachmaninov: Piano Concerto No. 3, Op. 30 - Rubinstein: Piano Concerto No. 4, Op. 70
  type: MusicAlbum
  date published: 2012-03-05
album: Verdi & Wagner: Paraphrases and Transcriptions (Edition Ruhr Piano Festival, Vol. 31) [Live]
  type: MusicAlbum
  date published: 2014-01-08
album: Tchaikovsky - Scharwenka
  type: MusicAlbum
  date published: 2014-06-30
album: Tchaikovsky & Scharwenka
  type: MusicAlbum
  date published: 2014-07-28
album: Tchaikovsky & Scharwenka
  type: MusicAlbum
  date published: 2014-07-28
album: Grieg & Moszkowski: Piano Concertos
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  date published: 2015-06-01
album: Grieg & Moszkowski: Piano Concertos
  type: MusicAlbum
  date published: 2015-06-15
album: Brahms & Schumann
  type: MusicAlbum
  date published: 2021-11-26
album: Sparkling Keys (L´Édition Musique No3 by Geldermann)
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  date published: 2022-04-22
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    subject of: OpenTimestamps Proof of Existence
    audio: Sparkling Keys (L'Édition Musique No3 by Geldermann) - Solo Piano
  track: Sparkling Keys (L'Édition Musique No3 by Geldermann) - Italo Disco Mix
album: Rachmaninoff, York Bowen & Medtner
album: Rachmaninoff, York Bowen, Medtner: Works for 2 Pianos
album: Lili Boulanger: Nocturne
album: Walking the Dog
album: Belle Epoque
track: Piano Concerto No. 2 in B-Flat Major, Op. 83: II. Allegro appassionato
track: Piano Sonata No. 1, Op. 4: I. Allegro maestoso
track: Piano Sonata No. 2, Op. 35: III. Marche funèbre: Lento

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d0dc53e59172ce961daa48152677afa36788050d07802eb672504f8fa4ecd34. 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/DEW412200002.
date published: 2026-07-08T03:20:19Z

Sparkling Keys (L'Édition Musique No3 by Geldermann) - Solo Piano
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Sparkling Keys (L'Édition Musique No3 by Geldermann) - Italo Disco Mix
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T09:57:33Z
audio: Sparkling Keys (L'Édition Musique No3 by Geldermann) - Italo Disco Mix
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Rachmaninoff, York Bowen & Medtner
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date published: 2023-03-23

Rachmaninoff, York Bowen, Medtner: Works for 2 Pianos
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date published: 2023-03-24

Lili Boulanger: Nocturne
type: MusicAlbum
date published: 2024-03-22

Walking the Dog
type: MusicAlbum
date published: 2024-04-12

Belle Epoque
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date published: 2025-04-04
track: Alt-Wiener Tanzweisen: No. 1, Liebesfreud - Version for Solo Piano by Rachmaninoff
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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
  audio: Alt-Wiener Tanzweisen: No. 1, Liebesfreud - Version for Solo Piano by Rachmaninoff
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track: 3 Études de concert, S. 144: No. 2 in F Minor, La leggierezza
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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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track: Alt-Wiener Tanzweisen: No. 2, Liebesleid - Version for Solo Piano by Rachmaninoff
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  audio: Alt-Wiener Tanzweisen: No. 2, Liebesleid - Version for Solo Piano by Rachmaninoff
track: Lamentations and Consolations, Op. 17: No. 6 in A Major, Consolation
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track: 5 Pieces, Op. 75 "The Trees": No. 5 in B Minor, Granen (The Spruce)
track: Iberia, Book II: No. 6, Triana - Version by Godowsky
track: 5 Pièces, Op. 109: No. 5 in D-Flat Major, Mélisande
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track: Jeux d'eau, M. 30
track: Lamentations and Consolations, Op. 17: No. 5 in A Minor, Lamentation (Le mal du pays)
track: Suite mignonne, Op. 39: I. Prelude
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track: Suite mignonne, Op. 39: III. Moto Perpetuo (Finale)
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track: À la campagne, Op. 40: No. 1 in E Minor, Jeu des ondes (Wellen und Wogen). Etüde
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OpenTimestamps Proof of Existence
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Lamentations and Consolations, Op. 17: No. 6 in A Major, Consolation
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Papillons in E Major
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5 Pieces, Op. 75 "The Trees": No. 5 in B Minor, Granen (The Spruce)
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Iberia, Book II: No. 6, Triana - Version by Godowsky
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5 Pièces, Op. 109: No. 5 in D-Flat Major, Mélisande
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Tarantella in F Minor
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  date published: 2026-07-30T12:06:10Z
audio: Tarantella in F Minor
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Jeux d'eau, M. 30
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duration: PT5M10S
duration ms: 310000
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in album: Belle Epoque
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genre: classical
genre: classical piano
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d76f115458b8bffa9243f70c20ad63df8c9cd96003cb0850fb4c6332c36bd4. 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/FRZ132426010.
  date published: 2026-07-08T03:20:19Z
audio: Jeux d'eau, M. 30
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Lamentations and Consolations, Op. 17: No. 5 in A Minor, Lamentation (Le mal du pays)
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duration: PT2M59S
duration ms: 179000
explicit: false
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in album: Belle Epoque
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  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426011
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additional property: OTSBitcoinBlockVerifyURL
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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 → 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 0xe92bc0156cd115a3f7ad1effd7c24a32e3f132ee55c327da9f58c3541289f924. 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/FRZ132426011.
  date published: 2026-07-08T03:20:19Z
audio: Lamentations and Consolations, Op. 17: No. 5 in A Minor, Lamentation (Le mal du pays)
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Suite mignonne, Op. 39: I. Prelude
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duration: PT2M20S
duration ms: 140000
explicit: false
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in album: Belle Epoque
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  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426012
additional property: CopyrightID
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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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946331acd64b4fa1a08972a9c02bc9663a2236d931016cf7c3343bfd2f666b6e. 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/FRZ132426012.
  date published: 2026-07-08T03:20:19Z
audio: Suite mignonne, Op. 39: I. Prelude
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Suite mignonne, Op. 39: II. Valse
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duration: PT2M19S
duration ms: 139000
explicit: false
by artist: Joseph Moog
in album: Belle Epoque
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  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426013
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: OTSVerificationAPI
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81bd578b7de97095999fcac3b277448162226d639ae8531a22d0f4f3172197e5. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/FRZ132426013.
  date published: 2026-07-30T12:45:34Z
audio: Suite mignonne, Op. 39: II. Valse
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Suite mignonne, Op. 39: III. Moto Perpetuo (Finale)
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duration: PT2M58S
duration ms: 178000
explicit: false
by artist: Joseph Moog
in album: Belle Epoque
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  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426014
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc02bb13001fb87cee300ae88e71f911b4acfc6a2248f9325b5c8598faaf57c. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FRZ132426014.
  date published: 2026-07-31T08:26:41Z
audio: Suite mignonne, Op. 39: III. Moto Perpetuo (Finale)
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Troisième recueil de chants, Op. 65: No. 1 in E Major, Vivante
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duration ms: 188000
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by artist: Joseph Moog
in album: Belle Epoque
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  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426015
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9d42f94e368f34cb6b0223bcd7e38f65b482ae9a3578d17f66f340a1c20d2d. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/FRZ132426015.
  date published: 2026-07-31T06:58:00Z
audio: Troisième recueil de chants, Op. 65: No. 1 in E Major, Vivante
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Capriccio appassionato, Op. 52
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duration: PT2M51S
duration ms: 171000
explicit: false
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in album: Belle Epoque
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  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426016
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: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd605ca0ae0305c268d9fa7ee3831ca0f442f4912e2ae69cb585ab4ee945e0bc8. 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/FRZ132426016.
  date published: 2026-07-08T03:20:19Z
audio: Capriccio appassionato, Op. 52
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Mélancolie, FP 105
type: MusicRecording
duration: PT5M29S
duration ms: 329000
explicit: false
by artist: Joseph Moog
in album: Belle Epoque
  type: MusicAlbum
  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426017
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90db360afa7c441b48209b49932bc8f91a4080956100890526493e458b86fc1. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FRZ132426017.
  date published: 2026-07-31T05:17:02Z
audio: Mélancolie, FP 105
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  additional property: Speechiness
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  additional property: Loudness (dB)
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À la campagne, Op. 40: No. 1 in E Minor, Jeu des ondes (Wellen und Wogen). Etüde
type: MusicRecording
duration: PT1M45S
duration ms: 105000
explicit: false
by artist: Joseph Moog
in album: Belle Epoque
  type: MusicAlbum
  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426018
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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132426018
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x0e1da58c5a2ff8962ba4185fae34e20bf0256d7d7a80c5a241a5eb78625948cf. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRZ132426018.
  date published: 2026-07-08T03:22:41Z
audio: À la campagne, Op. 40: No. 1 in E Minor, Jeu des ondes (Wellen und Wogen). Etüde
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Time Signature
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  additional property: Danceability
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Bois de Boulogne: No. 3, Bagatelle
type: MusicRecording
duration: PT2M36S
duration ms: 156000
explicit: false
by artist: Joseph Moog
in album: Belle Epoque
  type: MusicAlbum
  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426019
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x02e320cf9a0b92fdddc3e61e4d4c6acb78a9f185d8fe317ceb5ccf352d9f21b2
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/FRZ132426019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:58:21Z
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 0x02e320cf9a0b92fdddc3e61e4d4c6acb78a9f185d8fe317ceb5ccf352d9f21b2. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/FRZ132426019.
  date published: 2026-07-31T00:58:21Z
audio: Bois de Boulogne: No. 3, Bagatelle
  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: Energy
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6 Pezzi, P. 44: No. 5 in A-Flat Major, Studio
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duration: PT1M34S
duration ms: 94000
explicit: false
by artist: Joseph Moog
in album: Belle Epoque
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  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426020
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a01525ce1b42c656f47be4892899f515e18a2ade7f8277a5a8c9b4df4bf5ad7. 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/FRZ132426020.
  date published: 2026-07-08T03:20:19Z
audio: 6 Pezzi, P. 44: No. 5 in A-Flat Major, Studio
  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
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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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Nocturne, Op. 26
type: MusicRecording
duration: PT4M58S
duration ms: 298000
explicit: false
by artist: Joseph Moog
in album: Belle Epoque
  type: MusicAlbum
  date published: 2025-04-04
genre: classical
genre: classical piano
isrc code: FRZ132426021
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d6c5f9825d50b2682877c12086b777938d2d1cc6c21b3cfabc6b12ab122cb38. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/FRZ132426021.
  date published: 2026-07-30T20:35:49Z
audio: Nocturne, Op. 26
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  additional property: Acousticness
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Piano Concerto No. 2 in B-Flat Major, Op. 83: II. Allegro appassionato
type: MusicRecording
duration: PT8M46S
duration ms: 526060
explicit: false
by artist: Johannes Brahms
by artist: Public Domain
by artist: Joseph Moog
by artist: Nicholas Milton
by artist: Deutsche Radio Philharmonie
in album: Brahms: Piano Concerto No. 2 & Strauss: Burleske
  type: MusicAlbum
  date published: 2017-12-08
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: GBPCP1700451
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f72c62a851914e13512ac0bc49a0145e228f1413c3288b5d372143eaf8f5f64. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBPCP1700451.
  date published: 2026-07-31T15:20:15Z
audio: Piano Concerto No. 2 in B-Flat Major, Op. 83: II. Allegro appassionato
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Piano Sonata No. 1, Op. 4: I. Allegro maestoso
type: MusicRecording
duration: PT8M27S
duration ms: 507643
explicit: false
by artist: Frédéric Chopin
by artist: Public Domain
by artist: Joseph Moog
in album: Chopin The Complete Sonatas
  type: MusicAlbum
  date published: 2016-09-23
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: GBPCP1600200
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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
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by artist: Frédéric Chopin
by artist: Public Domain
by artist: Joseph Moog
in album: Chopin The Complete Sonatas
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genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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