Jeffinho
type: MusicGroup
genre: pagode
description: Jefferson Ruan Pereira dos Santos (born 30 December 1999), commonly known as Jeffinho, is a Brazilian professional footballer who plays as a winger for Chinese Super League club Liaoning Tieren, on lo
popularity: 5
followers: 101
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4c31d3c422893b786d436c8eefce2d517c6d0d9ef1a1b9cc35414e83f34712c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b0245d6f-fd3d-4b16-95f6-867ea8c61df9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b0245d6f-fd3d-4b16-95f6-867ea8c61df9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b0245d6f-fd3d-4b16-95f6-867ea8c61df9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4c31d3c422893b786d436c8eefce2d517c6d0d9ef1a1b9cc35414e83f34712c. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b0245d6f-fd3d-4b16-95f6-867ea8c61df9.json and https://artists.proofprofile.net/proofs/artist/b0245d6f-fd3d-4b16-95f6-867ea8c61df9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
album: Obscena
  type: MusicAlbum
  date published: 2025-05-22
  track: Obscena
    type: MusicRecording
    duration: PT2M11S
    duration ms: 131923
    explicit: false
    by artist: Jeffinho
    in album: Obscena
      type: MusicAlbum
      date published: 2025-05-22
    genre: pagode
    isrc code: BXJ9E2500067
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXJ9E2500067
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bed68a25f671f88ad7fa64afed2cd16153a5bd8672db98922ae9d479a670997. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/BXJ9E2500067.
      date published: 2026-07-03T10:47:44Z
    audio: Obscena
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 155.932
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.612
      additional property: Energy
        type: PropertyValue
        value: 0.594
      additional property: Speechiness
        type: PropertyValue
        value: 0.07
      additional property: Acousticness
        type: PropertyValue
        value: 0.547
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.309
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.805
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.214
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: MusicAlbum
  name: Pagode do Jeffinho: Mais Que Amigo / Acordar Com Você / Tchau e Bença / Teu Segredo / Já Tentei / Como Nunca Amei Ninguém / Me Apaixonei pela Pessoa Errada / Mega Star / Carona do Amor / Louca Paixão (Ao Vivo)
  date published: 2025-09-25
  track: MusicRecording
    name: Pagode do Jeffinho: Mais Que Amigo / Acordar Com Você / Tchau e Bença / Teu Segredo / Já Tentei / Como Nunca Amei Ninguém / Me Apaixonei pela Pessoa Errada / Mega Star / Carona do Amor / Louca Paixão (Bloco 1) - Ao Vivo
    duration: PT14M4S
    duration ms: 844187
    explicit: false
    by artist: Jeffinho
    in album: MusicAlbum
      name: Pagode do Jeffinho: Mais Que Amigo / Acordar Com Você / Tchau e Bença / Teu Segredo / Já Tentei / Como Nunca Amei Ninguém / Me Apaixonei pela Pessoa Errada / Mega Star / Carona do Amor / Louca Paixão (Ao Vivo)
      date published: 2025-09-25
    genre: pagode
    isrc code: QZTPX2551824
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958650
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2551824
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T03:36:41Z
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed78f2e717dd575b4c495ce681e18838a4e2ba322a352619820a67ee0adc91b2. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QZTPX2551824.
      date published: 2026-07-19T03:36:41Z
    audio: AudioObject
      name: Pagode do Jeffinho: Mais Que Amigo / Acordar Com Você / Tchau e Bença / Teu Segredo / Já Tentei / Como Nunca Amei Ninguém / Me Apaixonei pela Pessoa Errada / Mega Star / Carona do Amor / Louca Paixão (Bloco 1) - Ao Vivo
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 87.75
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.435
      additional property: Energy
        type: PropertyValue
        value: 0.831
      additional property: Speechiness
        type: PropertyValue
        value: 0.048
      additional property: Acousticness
        type: PropertyValue
        value: 0.481
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.544
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Primeiro Encontro
album: Pagode do Jeffinho: Meu Casamento / Shortinho Saint Tropez / Duas Paixões / Que Situação / Melhor Amiga da Minha Namorada / Gostosinha
album: Pagode do Jeffinho / Me Bloqueia / Instinto / Ela / É Natural
album: Pagode do Jeffinho: Autorais e Inéditas (Ao Vivo)

Valence (Positivity)
type: PropertyValue
value: 0.693

Loudness (dB)
type: PropertyValue
value: -5.216

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Primeiro Encontro
type: MusicAlbum
date published: 2025-09-25

Pagode do Jeffinho: Meu Casamento / Shortinho Saint Tropez / Duas Paixões / Que Situação / Melhor Amiga da Minha Namorada / Gostosinha
type: MusicAlbum
date published: 2025-10-23

Pagode do Jeffinho / Me Bloqueia / Instinto / Ela / É Natural
type: MusicAlbum
date published: 2025-10-30

Pagode do Jeffinho: Autorais e Inéditas (Ao Vivo)
type: MusicAlbum
date published: 2025-11-07