Orquesta de José Basso
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subject of: OpenTimestamps Proof of Existence
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track: Cafetín de Buenos Aires
track: Lo Que Vos Te Merecés
track: Orgullo Criollo

Cafetín de Buenos Aires
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by artist: Jose Basso
by artist: Orquesta de José Basso
by artist: Héctor De Rosas
in album: Brazo de Oro
  type: MusicAlbum
  date published: 2014-12-02
genre: tango-cancion
genre: vintage-tango
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additional property: OTSTimestamp
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Cafetín de Buenos Aires
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  additional property: Danceability
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  additional property: Speechiness
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Lo Que Vos Te Merecés
type: MusicRecording
duration: PT2M44S
duration ms: 164826
explicit: false
by artist: Jose Basso
by artist: Orquesta de José Basso
by artist: Alfredo Belusi
in album: Brazo de Oro
  type: MusicAlbum
  date published: 2014-12-02
genre: tango-cancion
genre: vintage-tango
isrc code: QM6MZ1480863
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Lo Que Vos Te Merecés
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Orgullo Criollo
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by artist: Jose Basso
by artist: Orquesta de José Basso
in album: Brazo de Oro
  type: MusicAlbum
  date published: 2014-12-02
genre: tango-cancion
genre: vintage-tango
isrc code: QM6MZ1480874
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Orgullo Criollo
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