Los Maraqueros
type: MusicGroup
genre: bolero
genre: guaracha
genre: salsa
genre: son cubano
genre: tropical music
popularity: 23
followers: 3033
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T19:24:56Z
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album: Los Maraqueros
  type: MusicAlbum
  date published: 1997-08-01
album: Estrellas de Tamborito
  type: MusicAlbum
  date published: 1999-01-15
album: Estrellas de Tamborito 1
  type: MusicAlbum
  date published: 1999-01-15
album: Los Maraqueros
  type: MusicAlbum
  date published: 2000-04-30
album: Los Años De Oro - Que No Muera El Son
  type: MusicAlbum
  date published: 2006-01-01
  track: AlegreConga
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    in album: Los Años De Oro - Que No Muera El Son
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      date published: 2006-01-01
    genre: bolero
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    genre: salsa
    genre: son cubano
    genre: tropical music
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-20T21:15:01Z
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  track: Pena
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    in album: Los Años De Oro - Que No Muera El Son
      type: MusicAlbum
      date published: 2006-01-01
    genre: bolero
    genre: guaracha
    genre: salsa
    genre: son cubano
    genre: tropical music
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-18T12:14:37Z
    audio: Pena
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  track: Hoy Es La Rumba
  track: Pobre Gaviota
album: Que No Muera El Son Volume 1
album: Que No Muera El Son Volume 2
album: Estos Son los Cantantes
album: De Nada Servía

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Danceability
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Energy
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Speechiness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Hoy Es La Rumba
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duration: PT2M55S
duration ms: 175240
explicit: false
by artist: Los Maraqueros
in album: Los Años De Oro - Que No Muera El Son
  type: MusicAlbum
  date published: 2006-01-01
genre: bolero
genre: guaracha
genre: salsa
genre: son cubano
genre: tropical music
isrc code: USR010615567
additional property: CopyrightID
additional property: CopyrightStatus
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8d255b9901cf73892ae36c6303862b8446e20b9a8f029848d5e5845cc6d359c. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/USR010615567.
  date published: 2026-07-15T22:40:25Z
audio: Hoy Es La Rumba
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  additional property: Danceability
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Pobre Gaviota
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duration: PT2M32S
duration ms: 152706
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by artist: Los Maraqueros
in album: Los Años De Oro - Que No Muera El Son
  type: MusicAlbum
  date published: 2006-01-01
genre: bolero
genre: guaracha
genre: salsa
genre: son cubano
genre: tropical music
isrc code: USR010615568
additional property: CopyrightID
additional property: CopyrightStatus
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe85fda4b92d4e252d4fe3149d34ef0f195a4e7e015ab0637471aa54e1a20d481. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/USR010615568.
  date published: 2026-07-20T21:15:01Z
audio: Pobre Gaviota
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Que No Muera El Son Volume 1
type: MusicAlbum
date published: 2011-08-16
track: Ámame
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  genre: salsa
  genre: son cubano
  genre: tropical music
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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
  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee0d34e4df35a3c31408a1b3116b78f618fe570958e7ee656c012c498665e9a6. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/USR010615564.
    date published: 2026-07-03T04:03:57Z
  audio: Ámame
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Que No Muera El Son Volume 2
type: MusicAlbum
date published: 2011-08-23

Estos Son los Cantantes
type: MusicAlbum
date published: 2014-10-14

De Nada Servía
type: MusicAlbum
date published: 2024-12-14