Jefferson Goncalves
type: MusicGroup
genre: blues
genre: jazz blues
popularity: 12
followers: 3311
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-15T11:52:51Z
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album: Blues Etc
  type: MusicAlbum
  date published: 2001-05-02
album: Gréia
  type: MusicAlbum
  date published: 2003-10-01
album: Gréia ao Vivo (Conexão Nordeste)
  type: MusicAlbum
  date published: 2006-03-10
album: Conexão Nordeste “GRÉIA AO VIVO”
  type: MusicAlbum
  date published: 2007-01-01
album: Ar Puro
  type: MusicAlbum
  date published: 2008-03-05
album: Ar puro
  type: MusicAlbum
  date published: 2008-03-27
album: Encruzilhada
  type: MusicAlbum
  date published: 2011-06-14
album: Encruzilhada
  type: MusicAlbum
  date published: 2011-07-11
album: Encruzilhada (Ao Vivo)
  type: MusicAlbum
  date published: 2012-12-14
album: Dakar Rio
  type: MusicAlbum
  date published: 2015-05-01
album: 25 Anos de Carreira
  type: MusicAlbum
  date published: 2015-12-02
  track: Café Expresso
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    by artist: Jefferson Goncalves
    in album: 25 Anos de Carreira
      type: MusicAlbum
      date published: 2015-12-02
    genre: blues
    genre: jazz blues
    isrc code: BRKYG1500594
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    additional property: OTSTimestamp
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      value: 2026-07-05T01:43:49Z
    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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T01:43:49Z
    audio: Café Expresso
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 124.35
      additional property: Musical Key
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        value: 0
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        value: 1
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        value: 4
      additional property: Danceability
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        value: 0.316
      additional property: Valence (Positivity)
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        value: 0.961
      additional property: Loudness (dB)
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        value: -3.412
      additional property: Key Name
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        value: C
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        value: Major
album: Jefferson Gonçalves e Banda (Studio Live Sessions)
  type: MusicAlbum
  date published: 2019-01-04
album: Evil (Studio Live Sessions)
  type: MusicAlbum
  date published: 2019-03-29
album: Jr Duo
  type: MusicAlbum
  date published: 2019-05-27
album: Jefferson Gonçalves (E Banda)
  type: MusicAlbum
  date published: 2020-01-24
album: The Real Blues
  type: MusicAlbum
  date published: 2020-03-13
album: The Real Blues, Vol. 2
  type: MusicAlbum
  date published: 2020-05-21
album: Encruzilhada
  type: MusicAlbum
  date published: 2020-09-04
album: Moondance
  type: MusicAlbum
  date published: 2020-09-23
album: Caboclo Pifado
  type: MusicAlbum
  date published: 2020-12-10
album: Teto de Zinco
  type: MusicAlbum
  date published: 2021-03-18
album: Cajazz & Umblues
  type: MusicAlbum
  date published: 2021-12-13
album: A Caminho de Cruzeiro
  type: MusicAlbum
  date published: 2022-02-08
album: Forró de Outono
  type: MusicAlbum
  date published: 2022-04-05
album: Arrasta Pé Alagoano
  type: MusicAlbum
  date published: 2022-04-27
album: Nada Será Como Antes
album: Eleanor Rigby
album: Up to The Montain
album: Cissy Strut
album: Comin' Home Baby
album: Mo Better Blues
album: Som e Tradição
album: Tenho Sede
album: The Real Blues (Ao Vivo)
album: Jefferson Gonçalves & Bitencourt Duo
album: Pro Laudir
album: Trilhos Urbanos
album: Presente de Irmão
album: Scofiando
album: Sangue Latino
album: Lubambo
album: Clube da Esquina 2
album: Cold Duck Time

Nada Será Como Antes
type: MusicAlbum
date published: 2022-06-20

Eleanor Rigby
type: MusicAlbum
date published: 2022-07-25

Up to The Montain
type: MusicAlbum
date published: 2022-09-16

Cissy Strut
type: MusicAlbum
date published: 2022-10-14

Comin' Home Baby
type: MusicAlbum
date published: 2022-11-28

Mo Better Blues
type: MusicAlbum
date published: 2023-02-08

Som e Tradição
type: MusicAlbum
date published: 2023-03-31

Tenho Sede
type: MusicAlbum
date published: 2023-09-04

The Real Blues (Ao Vivo)
type: MusicAlbum
date published: 2023-09-25

Jefferson Gonçalves & Bitencourt Duo
type: MusicAlbum
date published: 2023-10-27

Pro Laudir
type: MusicAlbum
date published: 2024-04-12

Trilhos Urbanos
type: MusicAlbum
date published: 2024-07-12

Presente de Irmão
type: MusicAlbum
date published: 2025-01-08

Scofiando
type: MusicAlbum
date published: 2025-02-18

Sangue Latino
type: MusicAlbum
date published: 2025-02-21
track: Sangue Latino
  type: MusicRecording
  duration: PT5M51S
  duration ms: 351294
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  by artist: Jefferson Goncalves
  in album: Sangue Latino
    type: MusicAlbum
    date published: 2025-02-21
  genre: blues
  genre: jazz blues
  isrc code: FR2X42530676
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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
  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1f89c300c1209e92bcf8356d904623de7c53256c2c47e0912f20050d6f15d1a. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:14:07Z), 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/FR2X42530676.
    date published: 2026-07-21T17:14:07Z
  audio: Sangue Latino
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    additional property: Tempo (BPM)
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      value: 7
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      value: 1
    additional property: Time Signature
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      value: 4
    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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Encruzilhada
type: MusicAlbum
date published: 2025-04-08

Lubambo
type: MusicAlbum
date published: 2025-05-15

Clube da Esquina 2
type: MusicAlbum
date published: 2025-07-18

Cold Duck Time
type: MusicAlbum
date published: 2025-10-18