Luisín Landáez
type: MusicGroup
genre: cumbia
genre: tropical music
description: Luis Felipe Landáez Requena (17 August 1931, Higuerote, Venezuela – 16 November 2008, Peñalolén, Santiago, Chile) was a Venezuelan-Chilean cumbia singer who was popular in Chile for his songs "La pira
popularity: 13
followers: 690
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a096c82d3b4c94e502208a147355edfecefbdfa5894a7890fa2361287bfda33. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a065456e-f760-4e3d-ab00-2bad570737e3.json and https://artists.proofprofile.net/proofs/artist/a065456e-f760-4e3d-ab00-2bad570737e3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
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album: Las Cumbias de Luisín
  type: MusicAlbum
  date published: 1966-01-01
album: Las Cumbias de Luisín
  type: MusicAlbum
  date published: 1996
album: La Piragua de Luisín
  type: MusicAlbum
  date published: 1996-05-02
album: 23 ¡Grandes Éxitos!
  type: MusicAlbum
  date published: 1998-01-01
  track: Macondo
    type: MusicRecording
    duration: PT2M56S
    duration ms: 176533
    explicit: false
    by artist: Luisín Landáez
    in album: 23 ¡Grandes Éxitos!
      type: MusicAlbum
      date published: 1998-01-01
    genre: cumbia
    genre: tropical music
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    additional property: OTSTimestamp
      type: PropertyValue
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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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf45e24c7e99a70b8b8e4ed5a99eb27dc6cff927006733d4814a2c7df2d5d02f. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ES71G2107395.
      date published: 2026-07-03T21:18:05Z
    audio: Macondo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
        type: PropertyValue
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      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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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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        value: -12.804
      additional property: Key Name
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        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Boleros y más...
  type: MusicAlbum
  date published: 2025-03-31