Morgan Blanco
type: MusicGroup
genre: cumbia
genre: cumbia sonidera
genre: guaracha
genre: salsa
description: Morgan Enrique Blanco Borrero (1935–2021) was a Colombian accordionist and songwriter. He recorded with several Colombian singers and musicians including Pacho Galán, Aníbal Velásquez, and Antonio Mar
popularity: 37
followers: 1704
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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: 2026-06-12T21:20:00Z
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album: Negra Ron y Velas
  type: MusicAlbum
  date published: 1970-04-17
album: Negra Ron y Velas
  type: MusicAlbum
  date published: 1970-04-17
album: Carita de Ángel
  type: MusicAlbum
  date published: 1975-06-01
album: Cumbia san jacintera
  type: MusicAlbum
  date published: 1992-08-05
album: Cumbia a mi Estilo
  type: MusicAlbum
  date published: 1993-05-06
album: EL ACORDEÓN Y LA VOZ
  type: MusicAlbum
  date published: 1996
album: Cumbia Colombiana
  type: MusicAlbum
  date published: 2019-06-21
album: Cumbia Colombiana
  type: MusicAlbum
  date published: 2019-06-21
album: Cara O Sello
  type: MusicAlbum
  date published: 2019-06-28
album: Cumbia Colombiana
  type: MusicAlbum
  date published: 2019-06-28
  track: Cumbia Sobre el Mar
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    by artist: Morgan Blanco
    in album: Cumbia Colombiana
      type: MusicAlbum
      date published: 2019-06-28
    genre: cumbia
    genre: cumbia sonidera
    genre: guaracha
    genre: salsa
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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: 2026-07-21T23:41:40Z
    audio: Cumbia Sobre el Mar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.595
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        type: PropertyValue
        value: 1
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        value: C#
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  track: Cumbia Negra
    type: MusicRecording
    duration: PT2M38S
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    explicit: false
    by artist: Morgan Blanco
    in album: Cumbia Colombiana
      type: MusicAlbum
      date published: 2019-06-28
    genre: cumbia
    genre: cumbia sonidera
    genre: guaracha
    genre: salsa
    isrc code: ESA011940056
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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
    audio: Cumbia Negra
album: La Viuda del Compadre Goyo
track: Cumbia Sobre el Mar

Cumbia Sobre el Mar
type: MusicRecording
duration: PT3M2S
duration ms: 182491
explicit: false
by artist: Morgan Blanco
in album: 42 Bailables de Siempre, Vol. 2
  type: MusicAlbum
  date published: 2019-07-02
isrc code: ESA011943269
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd62dded07915c65d7defc3622753cf7c67ae8ca3db934745f8f7e2bd791b1c1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA011943269.
  date published: 2026-07-08T03:53:27Z
audio: Cumbia Sobre el Mar
  type: AudioObject
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d31bb6182c6bbb75db1790b145af194b7ced5162f480e4aee4907937f6fa937. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T02:46:42Z), 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/ESA011940056.
date published: 2026-07-22T02:46:42Z

Cumbia Negra
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 95.245
additional property: Musical Key
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additional property: Mode (Major/Minor)
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  value: 4
additional property: Danceability
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additional property: Energy
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additional property: Instrumentalness
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  value: 0.883
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  value: 0.069
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.803
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.019
additional property: Key Name
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  value: Ab
additional property: Mode Name
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  value: Major

La Viuda del Compadre Goyo
type: MusicAlbum
date published: 2025-05-23