El Compa Libo del Dueto del Sur
type: MusicGroup
genre: sierreño
popularity: 4
followers: 361
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954553
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/abfcd2b9-6d40-4313-99f3-d688c0cceb71.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/abfcd2b9-6d40-4313-99f3-d688c0cceb71.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/abfcd2b9-6d40-4313-99f3-d688c0cceb71
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T11:51:30Z
additional property: OTSCanonicalRecord
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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 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x653670e176117f34c5f4c30920175dd2d80b6f0341d90ba62aff4f8bc684c8a2. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/abfcd2b9-6d40-4313-99f3-d688c0cceb71.json and https://artists.proofprofile.net/proofs/artist/abfcd2b9-6d40-4313-99f3-d688c0cceb71.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T11:51:30Z
  text: {"copyright_id":"0x653670e176117f34c5f4c30920175dd2d80b6f0341d90ba62aff4f8bc684c8a2","name":"El Compa Libo del Dueto del Sur","registered_at":"2026-06-20T09:58:57Z","symbol":"NIM1585598","token_address":"0x7ed22f3b84cd3fe9f19c8889140a750e9aaf0647","type":"artist","uuid":"abfcd2b9-6d40-4313-99f3-d688c0cceb71"}
album: Homenaje a Los Grandes de Guerrero
  type: MusicAlbum
  date published: 2011
album: Libro de Recuerdos
  type: MusicAlbum
  date published: 2025-04-24
album: El Corrido del Puente
  type: MusicAlbum
  date published: 2025-04-30
  track: El Corrido del Puente
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    duration: PT5M2S
    duration ms: 302160
    explicit: false
    by artist: El Compa Libo del Dueto del Sur
    in album: El Corrido del Puente
      type: MusicAlbum
      date published: 2025-04-30
    genre: sierreño
    isrc code: QZNJV2515741
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    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2515741
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T13:24:39Z
    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 0x4add74c8109e2646e2c589fd42ab166cdb1ccab2cf121b223aae03d743208e99. Chain 2 (Bitcoin): anchored in block 958889 (2026-07-20T13:24:39Z), 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/QZNJV2515741.
      date published: 2026-07-20T13:24:39Z
    audio: El Corrido del Puente
      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)
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      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.645
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.103
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.876
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.65
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Corrido del Compa Sabino
  type: MusicAlbum
  date published: 2025-05-01
album: Homenaje a los Grandes de Guerrero
  type: MusicAlbum
  date published: 2025-05-02