Los Picaros Del Norte
type: MusicGroup
genre: bolero
popularity: 10
followers: 1016
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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 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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  date published: 2026-06-20T06:31:18Z
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album: 12 Corridos Bien Ching...
  type: MusicAlbum
  date published: 2001
album: 15 Boleros Matones Pa` Chupar Vidrio
  type: MusicAlbum
  date published: 2009-07-21
  track: Mi Tesoro
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      type: MusicAlbum
      date published: 2009-07-21
    genre: bolero
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    additional property: OTSTimestamp
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      value: 2026-07-05T05:33:35Z
    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 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 0x5d7c70da2dede4b0bb90c1bb75bfb6f60a937676d98a79927bd956e3c3329069. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/USPWN0910929.
      date published: 2026-07-05T05:33:35Z
    audio: Mi Tesoro
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      additional property: Instrumentalness
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  track: En Eso No Quedamos
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    in album: 15 Boleros Matones Pa` Chupar Vidrio
      type: MusicAlbum
      date published: 2009-07-21
    genre: bolero
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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 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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      date published: 2026-07-05T01:12:41Z
    audio: En Eso No Quedamos
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      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
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      additional property: Acousticness
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      additional property: Instrumentalness
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        value: 0
      additional property: Liveness
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      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Duelo de Gigantes
album: Homenaje A Un Grande De Mexico
album: Los Pícaros del Norte

Valence (Positivity)
type: PropertyValue
value: 0.785

Loudness (dB)
type: PropertyValue
value: -9.765

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Duelo de Gigantes
type: MusicAlbum
date published: 2009-07-21

Homenaje A Un Grande De Mexico
type: MusicAlbum
date published: 2009-07-21

Los Pícaros del Norte
type: MusicAlbum
date published: 2016-07-15