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genre: chamber music
genre: flamenco
popularity: 4
followers: 97
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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: Kiko
  type: MusicAlbum
  date published: 2015-04-08
album: Origo
  type: MusicAlbum
  date published: 2020-10-30
album: Bulería Rafaela
  type: MusicAlbum
  date published: 2020-10-30
album: A Morente
  type: MusicAlbum
  date published: 2020-12-11
album: Soleá de Amor
  type: MusicAlbum
  date published: 2020-12-18
track: La Leyenda del tiempo - En Directo
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  by artist: Pablo Suarez
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  genre: flamenco
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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
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    date published: 2026-07-31T17:29:52Z
  audio: La Leyenda del tiempo - En Directo
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track: Bulerias Lorquianas - En Directo
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  by artist: Edu Espín
  by artist: Pablo Suarez
  by artist: Josemi Garzón
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  by artist: Ana María González
  by artist: Rosario Amador
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T23:30:38Z
  audio: Bulerias Lorquianas - En Directo
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track: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 1º Cuaderno: I. Estudio Melódico y del Saltillo
track: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 1º Cuaderno: VI. Estudio del Staccato a la Cuerda y Volante
track: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 2º Cuaderno: II. Estudio de Trémolo de Mano Izquierda
track: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 2º Cuaderno: III. Estudio de Doble Cuerda Interrumpida
track: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 2º Cuaderno: VI. Estudio de Trinos y de Notas de Adorno

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Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 1º Cuaderno: I. Estudio Melódico y del Saltillo
type: MusicRecording
duration: PT4M29S
duration ms: 269906
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by artist: Jesús De Monasterio
by artist: Manuel Guillén
by artist: Pablo Suarez
in album: Jesús de Monasterio: Estudios Artísticos para Dos Violines (El Patrimonio Musical Hispano 9)
  type: MusicAlbum
  date published: 2003-01-31
isrc code: ES98S1600156
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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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:51:49Z
audio: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 1º Cuaderno: I. Estudio Melódico y del Saltillo
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Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 1º Cuaderno: VI. Estudio del Staccato a la Cuerda y Volante
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T00:11:40Z
audio: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 1º Cuaderno: VI. Estudio del Staccato a la Cuerda y Volante
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Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 2º Cuaderno: II. Estudio de Trémolo de Mano Izquierda
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T00:53:20Z
audio: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 2º Cuaderno: II. Estudio de Trémolo de Mano Izquierda
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Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 2º Cuaderno: III. Estudio de Doble Cuerda Interrumpida
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  date published: 2026-07-30T02:21:55Z
audio: Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 2º Cuaderno: III. Estudio de Doble Cuerda Interrumpida
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Veinte Estudios Artísticos de Concierto para Violín Con Acompañamiento de un Segundo Violín: 2º Cuaderno: VI. Estudio de Trinos y de Notas de Adorno
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by artist: Manuel Guillén
by artist: Pablo Suarez
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  date published: 2026-07-30T04:47:22Z
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