Lecuona Cuban Boys
type: MusicGroup
genre: exotica
genre: son cubano
description: The Lecuona Cuban Boys (Spanish: Muchachos cubanos de Lecuona) was a popular Cuban orchestra which toured the world for over forty years. The band was founded by Ernesto Lecuona, whose role was that
popularity: 22
followers: 5149
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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: Lecuona Cuban Boys (Mono Version)
  type: MusicAlbum
  date published: 1961-01-01
album: Para Vigo Me Voy (Mono Version)
  type: MusicAlbum
  date published: 1962-01-01
album: Lecuona Cuban Boys Congas y Rumbas
  type: MusicAlbum
  date published: 1992
album: Carnaval del Uruguay
  type: MusicAlbum
  date published: 1996-07-02
album: Dance Along With The Lecuona Cuban Boys
  type: MusicAlbum
  date published: 2000-01-01
album: Recordando a Cuba
  type: MusicAlbum
  date published: 2003-04-18
album: Congas And Rumbas From The Unforgettable Band
  type: MusicAlbum
  date published: 2006-01-01
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    by artist: Lecuona Cuban Boys
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      date published: 2006-01-01
    genre: exotica
    genre: son cubano
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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: 2026-07-21T02:01:41Z
    audio: Cachita
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album: Beneath the Cuban Moon
  type: MusicAlbum
  date published: 2008-10-15
album: Romántico
  type: MusicAlbum
  date published: 2010-02-25
album: Rumba Blanca
  type: MusicAlbum
  date published: 2010-09-29
album: Way back in the 30's
  type: MusicAlbum
  date published: 2010-10-11
album: Lo Mejor de Lecuona Cuban Boys
  type: MusicAlbum
  date published: 2011-01-05
album: Play for Dancing
  type: MusicAlbum
  date published: 2011-01-05
album: Temptacion
  type: MusicAlbum
  date published: 2011-03-18
album: Siboney
  type: MusicAlbum
  date published: 2011-03-18
album: Feel the Cuban Vibe
  type: MusicAlbum
  date published: 2011-03-31
album: La Conga de Jalisco
  type: MusicAlbum
  date published: 2011-05-26
album: Baila La Conga
  type: MusicAlbum
  date published: 2011-07-26
album: Rumba Argentina
  type: MusicAlbum
  date published: 2011-10-24
album: Lecuona Cuban Boys 25 Grandes Temas
  type: MusicAlbum
  date published: 2011-11-10
album: Lecuona Cuban Boys
  type: MusicAlbum
  date published: 2012-04-02
album: Latin Legends: Lecuona Cuban Boys (Remastered)
  type: MusicAlbum
  date published: 2012-07-10
album: Beyond Patina Jazz Masters: Lecuona Cuban Boys
  type: MusicAlbum
  date published: 2012-07-20
album: Ernesto And His Dream
  type: MusicAlbum
  date published: 2012-08-14
album: Congas y Rumbas
album: Caliente
album: Cubita Cubera
album: Thrills Of Music
album: Canto a Rio de Janeiro
album: María La O (Recordings 1935-1937)
album: Party With Us
album: ¿Quieres Bailar?, Shall We Dance?
album: Latin Giants
album: El Auténtico Sabor de Cuba 1935-1938
album: Los Tiempos de la Rumba y de la Conga
album: Titanium Hits
album: Adios Mi Amor
album: Rumbantona
album: Folie Negre
album: Perlas Cubanas: Lecuona Cuban Boys
album: Famous Hits By Lecuona Cuban Boys
album: Musical Moments to Remember – Leuconia Cuban Boys: Rumba International! (Remastered 2015)
album: Rumbas Cubanas (1935-1939)
album: Canto indio (1932-1942)
album: La conga de Jaruco (1932-1942)
album: Luna de Monte Carlo
album: Golden Hits By Lecuona Cuban Boys
album: Les idoles de la musique cubaine : Lecuona Cuban Boys, Vol. 2 (Les années 1960)
album: Les idoles de la musique cubaine : Lecuona Cuban Boys, Vol. 1 (Les années 1930)
album: Compadre Pedro Juan (Remastered)
album: Córdoba (Remastered)
album: Lo mejor de Lecuona Cuban Boys (Remastered)
album: Canto indio
album: Locas por el Mambo (Remastered)
album: Anacaona (Remastered)
album: Nicolasa (Remastered)
album: Congas & Rumbas
album: Lecuona Cuban Boys Band
album: Classics from the Master Tapes 1935 - 1938
album: Cubanacan (Remastered)
album: Malagueña (Remastered)
album: María la O (Remastered)

Congas y Rumbas
type: MusicAlbum
date published: 2012-08-22

Caliente
type: MusicAlbum
date published: 2012-10-20

Cubita Cubera
type: MusicAlbum
date published: 2013-02-04

Thrills Of Music
type: MusicAlbum
date published: 2013-05-08

Canto a Rio de Janeiro
type: MusicAlbum
date published: 2013-07-31

Baila La Conga
type: MusicAlbum
date published: 2013-08-17

María La O (Recordings 1935-1937)
type: MusicAlbum
date published: 2013-11-14

Party With Us
type: MusicAlbum
date published: 2014-01-26

¿Quieres Bailar?, Shall We Dance?
type: MusicAlbum
date published: 2014-03-01

Latin Giants
type: MusicAlbum
date published: 2014-04-14

El Auténtico Sabor de Cuba 1935-1938
type: MusicAlbum
date published: 2014-10-06

Los Tiempos de la Rumba y de la Conga
type: MusicAlbum
date published: 2014-10-06

Titanium Hits
type: MusicAlbum
date published: 2014-10-25

Adios Mi Amor
type: MusicAlbum
date published: 2015-01-23

Rumbantona
type: MusicAlbum
date published: 2015-01-24

Folie Negre
type: MusicAlbum
date published: 2015-01-24

Perlas Cubanas: Lecuona Cuban Boys
type: MusicAlbum
date published: 2015-02-03
track: Cubanakan (Rumba Foxtrot)
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    date published: 2015-02-03
  genre: exotica
  genre: son cubano
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T07:48:27Z
  audio: Cubanakan (Rumba Foxtrot)
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Famous Hits By Lecuona Cuban Boys
type: MusicAlbum
date published: 2015-02-26

Musical Moments to Remember – Leuconia Cuban Boys: Rumba International! (Remastered 2015)
type: MusicAlbum
date published: 2015-09-04

Musical Moments to Remember – Leuconia Cuban Boys: Rumba International! (Remastered 2015)
type: MusicAlbum
date published: 2015-09-04

Rumbas Cubanas (1935-1939)
type: MusicAlbum
date published: 2016-01-21

Canto indio (1932-1942)
type: MusicAlbum
date published: 2018-02-06

La conga de Jaruco (1932-1942)
type: MusicAlbum
date published: 2018-03-23
track: Quim-bam-ba
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    date published: 2018-03-23
  genre: exotica
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T10:04:33Z
  audio: Quim-bam-ba
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track: Rumba azul
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    date published: 2018-03-23
  genre: exotica
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  subject of: OpenTimestamps Proof of Existence
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    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-15T15:55:19Z
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track: Siboney
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
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  audio: Siboney

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956856

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5FN1817283

OTSTimestamp
type: PropertyValue
value: 2026-07-06T01:25:57Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd527bd1a67bc1aa6668d12d36da8524d46228920c03e5484f4bc8751a1a4dfc7. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZ5FN1817283.
date published: 2026-07-06T01:25:57Z

Siboney
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: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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Canto indio (1932-1942)
type: MusicAlbum
date published: 2018-03-23

Luna de Monte Carlo
type: MusicAlbum
date published: 2019-02-24

Titanium Hits
type: MusicAlbum
date published: 2019-04-15

Golden Hits By Lecuona Cuban Boys
type: MusicAlbum
date published: 2019-05-07

Les idoles de la musique cubaine : Lecuona Cuban Boys, Vol. 2 (Les années 1960)
type: MusicAlbum
date published: 2019-09-03

Les idoles de la musique cubaine : Lecuona Cuban Boys, Vol. 1 (Les années 1930)
type: MusicAlbum
date published: 2019-09-03

Compadre Pedro Juan (Remastered)
type: MusicAlbum
date published: 2019-10-18

Córdoba (Remastered)
type: MusicAlbum
date published: 2019-10-18

Lo mejor de Lecuona Cuban Boys (Remastered)
type: MusicAlbum
date published: 2019-10-21

Canto indio
type: MusicAlbum
date published: 2019-11-25
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  type: MusicRecording
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  by artist: Lecuona Cuban Boys
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    date published: 2019-11-25
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  genre: son cubano
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1967610
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5b60035b01d2e1a7c7ad077e0c4921a6f03a1388202baf8b598153ab42baf4. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1967610.
    date published: 2026-07-19T00:50:09Z
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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: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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  type: MusicRecording
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    type: MusicAlbum
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15ed4e3b534b213667bc3771450a5c57a3b62a6498260708e3fecd843e428716. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/CA5KR1967614.
    date published: 2026-07-03T08:56:35Z
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    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: Danceability
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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  by artist: Lecuona Cuban Boys
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  genre: exotica
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  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Rumbatonera

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958407

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1967615

OTSTimestamp
type: PropertyValue
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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 → 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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf04696da5f9d3e1390e8019f4d3448f1093c5b28134a88fd36c986ea808685b. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/CA5KR1967615.
date published: 2026-07-17T12:08:48Z

Rumbatonera
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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: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Locas por el Mambo (Remastered)
type: MusicAlbum
date published: 2020-02-28

Anacaona (Remastered)
type: MusicAlbum
date published: 2020-02-28

Nicolasa (Remastered)
type: MusicAlbum
date published: 2020-03-03

Congas & Rumbas
type: MusicAlbum
date published: 2020-06-09

Lecuona Cuban Boys Band
type: MusicAlbum
date published: 2020-06-23

Classics from the Master Tapes 1935 - 1938
type: MusicAlbum
date published: 2022-03-04

Cubanacan (Remastered)
type: MusicAlbum
date published: 2022-06-07

Malagueña (Remastered)
type: MusicAlbum
date published: 2023-03-31

Nicolasa (Remastered)
type: MusicAlbum
date published: 2023-03-31

María la O (Remastered)
type: MusicAlbum
date published: 2023-03-31

Cachita (Remastered)
type: MusicAlbum
date published: 2023-03-31

Para Vigo me voy (Remastered)
type: MusicAlbum
date published: 2023-03-31

Anacaona (Remastered)
type: MusicAlbum
date published: 2023-03-31

Canto Karabali (Remastered)
type: MusicAlbum
date published: 2023-03-31

Cubanakan (Remastered)
type: MusicAlbum
date published: 2023-03-31

Amapola (Remastered)
type: MusicAlbum
date published: 2023-03-31

Tabú (Remastered)
type: MusicAlbum
date published: 2023-03-31

Siempre en mi corazón (Remastered)
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date published: 2023-03-31

Siboney (Remastered)
type: MusicAlbum
date published: 2023-03-31

La conga Blicoti (Remastered)
type: MusicAlbum
date published: 2023-11-27
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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
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    date published: 2026-07-13T17:43:59Z
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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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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Conga Dance Style
type: MusicAlbum
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Ritmo Cubano Collection (Audiophile Edition)
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Rhythms of Cuba
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Lecuona Cuban Boys: Rumba Cubana!
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Essential Classics, Vol. 820: Lecuona Cuban Boys
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Latin Salsa
type: MusicAlbum
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Sin Ti
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duration: PT3M11S
duration ms: 191866
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by artist: Alberto Rabagliati
by artist: Lecuona Cuban Boys
in album: Guardando Una Stella
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genre: swing-italiano
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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: 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/GBKPL2098688
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 0x6cceaf287b1e1f15df7685182f570134cf2f887f1d1b154834405b4f8555ef62. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBKPL2098688.
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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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Rumba Blanca
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duration: PT2M45S
duration ms: 165560
explicit: false
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by artist: Lecuona Cuban Boys
in album: Alberto rabagliati Vol. 3
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genre: swing-italiano
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960212
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960212
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4HR1804342
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:43:45Z
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 0x4759e5f0faf2f9af02bef8da4c0bba14a9408506606279e06a1e73f26e88787d. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/FR4HR1804342.
  date published: 2026-07-30T05:43:45Z
audio: Rumba Blanca
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.469
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.671
  additional property: Energy
    type: PropertyValue
    value: 0.512
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.491
  additional property: Liveness
    type: PropertyValue
    value: 0.16
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.484
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.95
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Siboney
type: MusicRecording
duration: PT3M12S
duration ms: 192573
explicit: false
by artist: Alberto Rabagliati
by artist: Lecuona Cuban Boys
in album: Alberto rabagliati Vol. 2
  type: MusicAlbum
  date published: 2018-03-26
genre: swing-italiano
isrc code: FR4HR1804315
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:55:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71f805e8a79e1a8ef6889ebf29412d9eeeb0d0d2943320f8aef2b55e686830fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4HR1804315
additional property: OTSTimestamp
  type: PropertyValue
  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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f805e8a79e1a8ef6889ebf29412d9eeeb0d0d2943320f8aef2b55e686830fa. 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/FR4HR1804315.
  date published: 2026-07-08T03:20:19Z
audio: Siboney
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.957
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.318
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.331
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.565
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major