Los Gavilanes
type: MusicGroup
genre: cumbia
genre: cumbia sonidera
popularity: 13
followers: 1474
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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 0x76459caf868180d72cc61122aec55d562e1ea45696caab14ec2bf50492760078. 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/a075378f-43b8-4a7f-a900-8d85a2bfda05.json and https://artists.proofprofile.net/proofs/artist/a075378f-43b8-4a7f-a900-8d85a2bfda05.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
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album: El Puro Norte
  type: MusicAlbum
  date published: 1970
album: El Quesito ,Javier De Los Llanos
  type: MusicAlbum
  date published: 2015-03-12
album: Los Gavilanes
  type: MusicAlbum
  date published: 2016-12-13
album: Concha Perdida
  type: MusicAlbum
  date published: 2017-06-12
album: 40 Exitos
  type: MusicAlbum
  date published: 2017-10-11
album: Musica del Pueblo
  type: MusicAlbum
  date published: 2021-10-14
album: De Que Manera Te Olvido
  type: MusicAlbum
  date published: 2023-07-05
track: Las Poblanitas

Las Poblanitas
type: MusicRecording
duration: PT2M48S
duration ms: 168533
explicit: false
by artist: Ruben Zepeda Novelo
by artist: Los Gavilanes
in album: Puebla Serie México Musical
  type: MusicAlbum
  date published: 2014-04-29
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Las Poblanitas
  type: AudioObject
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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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  additional property: Key Name
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    value: G
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