Oscar Lorenzo Fernández
type: MusicGroup
genre: chamber music
description: Oscar Lorenzo Fernández (4 November 1897 – 27 August 1948) was a Brazilian composer of Spanish descent. He was born and died in Rio de Janeiro. Life Fernández studied at the Instituto Nacional de Mú
popularity: 11
followers: 487
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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
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album: Ó.L. Fernândez: Symphonies Nos. 1 & 2 & Reisado do pastoreio
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  date published: 2024-06-07
  track: Reisado do pastoreio: III. Batuque
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    by artist: Oscar Lorenzo Fernández
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      type: MusicAlbum
      date published: 2024-06-07
    genre: chamber music
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-20T01:33:33Z
    audio: Reisado do pastoreio: III. Batuque
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album: Fernández: Piano Works
  type: MusicAlbum
  date published: 2025-07-25
track: Batuque
track: Reisado do pastoreio: III. Batuque
track: Suite Brasileira No. 1: III. Saudosa Seresta

Batuque
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explicit: false
by artist: Oscar Lorenzo Fernández
by artist: Orquestra Sinfonica di Venezuela
by artist: Theodore Kuchar
in album: Latin-American Classics
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  date published: 2012-09-01
popularity: 8
isrc code: NLY331209140
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Batuque
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Reisado do pastoreio: III. Batuque
type: MusicRecording
duration: PT3M58S
duration ms: 238906
explicit: false
by artist: Oscar Lorenzo Fernández
by artist: Orquestra Sinfônica do Estado de São Paulo
by artist: Roberto Minczuk
in album: Dancas Brasileiras
  type: MusicAlbum
  date published: 2011-12-06
isrc code: SEAEO1130060
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Reisado do pastoreio: III. Batuque
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Suite Brasileira No. 1: III. Saudosa Seresta
type: MusicRecording
duration: PT1M55S
duration ms: 115226
explicit: false
by artist: Oscar Lorenzo Fernández
by artist: Cristina Ortiz
in album: Alma Brasileira: Panorama du piano brésilien du XXe siècle
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c632d5e83dfeea18b821b2a3ba43d3ce3afff6f63168e498ead578ac2ec8593. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FRP900500050.
  date published: 2026-07-31T15:20:15Z
audio: Suite Brasileira No. 1: III. Saudosa Seresta
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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