Fernando Otero
type: MusicGroup
genre: latin jazz
genre: tango
description: Fernando Otero is an Argentine pianist, vocalist, multi-instrumentalist and composer. His first contact with music was receiving vocal lessons from his mother, Elsa Marval, an internationally acclaim
popularity: 8
followers: 644
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x660bb8ea5add492d2288289ff4b25da69d9738c0ad82fbcec1ad5ba0619eb0cc. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/547520ce-7341-4630-b08b-fb3f3adb58d3.json and https://artists.proofprofile.net/proofs/artist/547520ce-7341-4630-b08b-fb3f3adb58d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
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album: X Tango
  type: MusicAlbum
  date published: 1997-05-19
album: Fernando Otero (Remastered)
  type: MusicAlbum
  date published: 1997-05-19
album: Pagina de Buenos Aires
  type: MusicAlbum
  date published: 2008
album: Vital
  type: MusicAlbum
  date published: 2010-02-09
album: Romance
  type: MusicAlbum
  date published: 2013-03-13
album: Prima Donna
  type: MusicAlbum
  date published: 2014-05-22
album: Prima Donna
  type: MusicAlbum
  date published: 2014-06-22
album: Ritual (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2015-04-22
album: Ritual (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2015-05-10
album: Enigma (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2016-04-22
album: Buenos Aires Now
  type: MusicAlbum
  date published: 2016-08-01
album: Fernando Otero
  type: MusicAlbum
  date published: 2017-07-28
album: Prima Donna
  type: MusicAlbum
  date published: 2018-12-22
album: Buenos Aires Now
  type: MusicAlbum
  date published: 2019-02-22
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  type: MusicAlbum
  date published: 2019-04-19
album: Astrantia
  type: MusicAlbum
  date published: 2019-05-19
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  type: MusicAlbum
  date published: 2019-06-22
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  type: MusicAlbum
  date published: 2021-04-22
album: Can You Hear The Flowers
  type: MusicAlbum
  date published: 2021-05-22
album: Prayer For Peace
  type: MusicAlbum
  date published: 2022-04-02
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  type: MusicAlbum
  date published: 2024-10-04
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  type: MusicAlbum
  date published: 2025-03-07
album: Ideal
  type: MusicAlbum
  date published: 2025-05-22