Codigo de la Sierra
type: MusicGroup
genre: sierreño
popularity: 8
followers: 887
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
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  value: https://artists.proofprofile.net/proofs/artist/6aee2550-5465-4e71-a27c-a382afceddfe.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/6aee2550-5465-4e71-a27c-a382afceddfe.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6aee2550-5465-4e71-a27c-a382afceddfe
additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
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 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xace81a9d81e06927dd3f97bf718da2181fa7efd303be3a48b98a02e14118a295. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6aee2550-5465-4e71-a27c-a382afceddfe.json and https://artists.proofprofile.net/proofs/artist/6aee2550-5465-4e71-a27c-a382afceddfe.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xace81a9d81e06927dd3f97bf718da2181fa7efd303be3a48b98a02e14118a295","name":"Codigo de la Sierra","registered_at":"2026-06-17T02:57:45Z","symbol":"NIM1259467","token_address":"0x11099846bb18fba553eaf4a3578b5286da80be07","type":"artist","uuid":"6aee2550-5465-4e71-a27c-a382afceddfe"}
album: Las Nuevas Guitarras de la Sierra
  type: MusicAlbum
  date published: 2017-10-06
album: Pregúntale a la Luna
  type: MusicAlbum
  date published: 2017-11-17
  track: A Ojos Cerrados
    type: MusicRecording
    duration: PT3M5S
    duration ms: 185493
    explicit: false
    by artist: Codigo de la Sierra
    in album: Pregúntale a la Luna
      type: MusicAlbum
      date published: 2017-11-17
    genre: sierreño
    isrc code: QZ5AB1766331
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB1766331
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0x3dec5a5b8e65b04bad31f7bbb89519dcf776a49cd17cb5815ef742bb96f8fb9b. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB1766331 — a six-check JSON result.
      date published: 2026-07-05T01:12:41Z
    audio: A Ojos Cerrados
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 101.903
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.778
      additional property: Energy
        type: PropertyValue
        value: 0.467
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.517
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.084
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.962
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.639
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Me Voy de Casa
  type: MusicAlbum
  date published: 2018-11-20
album: Me Voy de Casa
  type: MusicAlbum
  date published: 2021-12-01