Contrabandistas de San Luis
type: MusicGroup
genre: cumbia norteña
genre: norteño
genre: norteño-sax
popularity: 41
followers: 22614
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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  value: https://artists.proofprofile.net/proofs/artist/4470d07f-52a1-4f48-8683-dae814795838.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9f3795080e2ad49a92c7a836e15d9476e92b3b4c75236b6e363068ff9ba3fa. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4470d07f-52a1-4f48-8683-dae814795838.json and https://artists.proofprofile.net/proofs/artist/4470d07f-52a1-4f48-8683-dae814795838.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x9c9f3795080e2ad49a92c7a836e15d9476e92b3b4c75236b6e363068ff9ba3fa","name":"Contrabandistas de San Luis","registered_at":"2026-06-11T18:41:00Z","symbol":"NIM0088591","token_address":"0xcf40d41d3d926892f4b8391af25691182a85d4f0","type":"artist","uuid":"4470d07f-52a1-4f48-8683-dae814795838"}
album: Los Emigrantes
  type: MusicAlbum
  date published: 2004-06-22
album: El Condor Pasa
  type: MusicAlbum
  date published: 2017-12-04
album: Entre los Dos
  type: MusicAlbum
  date published: 2017-12-04
  track: Entre los Dos
    type: MusicRecording
    duration: PT2M50S
    duration ms: 170736
    explicit: false
    by artist: Contrabandistas de San Luis
    in album: Entre los Dos
      type: MusicAlbum
      date published: 2017-12-04
    genre: cumbia norteña
    genre: norteño
    genre: norteño-sax
    isrc code: TCADJ1792834
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    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlockVerifyURL
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      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADJ1792834
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1bd36ff5161eb54b116c34e9460d07eb83d64fcc98feee02b6563e4c1a55614. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/TCADJ1792834.
      date published: 2026-07-18T04:13:26Z
    audio: Entre los Dos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 108.153
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.61
      additional property: Energy
        type: PropertyValue
        value: 0.832
      additional property: Speechiness
        type: PropertyValue
        value: 0.148
      additional property: Acousticness
        type: PropertyValue
        value: 0.727
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.139
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.816
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.946
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major