Tuca Fernandes
type: MusicGroup
genre: axé
genre: pagode baiano
popularity: 29
followers: 12886
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68a18f6b722f990f3aac081f0b142517e4a07e0f675891e93b3f852329c52811
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6e6324d6-a139-4d06-afaf-b48728ac7b4a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6e6324d6-a139-4d06-afaf-b48728ac7b4a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6e6324d6-a139-4d06-afaf-b48728ac7b4a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x68a18f6b722f990f3aac081f0b142517e4a07e0f675891e93b3f852329c52811","name":"Tuca Fernandes","registered_at":"2026-06-12T00:36:32Z","symbol":"NIM0144202","token_address":"0x23524f22956a1ef99be4dc2c74a83b945a2e7bfa","type":"artist","uuid":"6e6324d6-a139-4d06-afaf-b48728ac7b4a"}
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 0x68a18f6b722f990f3aac081f0b142517e4a07e0f675891e93b3f852329c52811. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6e6324d6-a139-4d06-afaf-b48728ac7b4a.json and https://artists.proofprofile.net/proofs/artist/6e6324d6-a139-4d06-afaf-b48728ac7b4a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x68a18f6b722f990f3aac081f0b142517e4a07e0f675891e93b3f852329c52811","name":"Tuca Fernandes","registered_at":"2026-06-12T00:36:32Z","symbol":"NIM0144202","token_address":"0x23524f22956a1ef99be4dc2c74a83b945a2e7bfa","type":"artist","uuid":"6e6324d6-a139-4d06-afaf-b48728ac7b4a"}
album: Luar - Canções de Arrigo Barnabé
  type: MusicAlbum
  date published: 2003
album: Tuca Fernandes
  type: MusicAlbum
  date published: 2012-02-10
  track: Pirei No Seu Amor - Faixa Bônus
    type: MusicRecording
    duration: PT3M36S
    duration ms: 216440
    explicit: false
    by artist: Tuca Fernandes
    in album: Tuca Fernandes
      type: MusicAlbum
      date published: 2012-02-10
    genre: axé
    genre: pagode baiano
    isrc code: BR9TF1200007
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T12:44:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x41490281456e760f82d11c58430364aa81f02c90264f6a06ee9d0531ff9257cc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR9TF1200007
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0x41490281456e760f82d11c58430364aa81f02c90264f6a06ee9d0531ff9257cc. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BR9TF1200007.
      date published: 2026-07-05T01:12:41Z
    audio: Pirei No Seu Amor - Faixa Bônus
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.007
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.676
      additional property: Energy
        type: PropertyValue
        value: 0.913
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.066
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.087
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.975
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.124
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Nada - Single
  type: MusicAlbum
  date published: 2013-02-02
album: Lindo Filme
  type: MusicAlbum
  date published: 2014-08-08
album: Simples
  type: MusicAlbum
  date published: 2015-08-07
  track: Na Canga
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204973
    explicit: false
    by artist: Tuca Fernandes
    in album: Simples
      type: MusicAlbum
      date published: 2015-08-07
    genre: axé
    genre: pagode baiano
    isrc code: BXATZ1500009
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T03:04:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc0ddc4e73199f5299a85180c480b7b533ec15793ed3b1ecc10360ea12b5a6502
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958234
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958234
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXATZ1500009
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T03:46:09Z
    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 0xc0ddc4e73199f5299a85180c480b7b533ec15793ed3b1ecc10360ea12b5a6502. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/BXATZ1500009.
      date published: 2026-07-16T03:46:09Z
    audio: Na Canga
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.997
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.736
      additional property: Energy
        type: PropertyValue
        value: 0.805
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Toda Manhã
album: Salvador Daliberdade
album: A Favor
album: Amor Amor (Acústico)
album: Pra Ficarmos Juntos
album: Colado em Você
album: Eu Tenho Medo do Escuro
album: Paraíso
album: Presente de Deus (Remix)
album: Vai Vem Vai Bem
album: Studio Tf (Ao Vivo)
album: A Mina É na Dela
album: Mais uma Vez
album: Valeu a Espera
album: Desapego
album: Minha Praia
album: Acústico Na Varanda
album: TF Acústico Bahia
album: Amor Amor (Remix)

Speechiness
type: PropertyValue
value: 0.041

Acousticness
type: PropertyValue
value: 0.613

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.192

Valence (Positivity)
type: PropertyValue
value: 0.814

Loudness (dB)
type: PropertyValue
value: -6.279

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Toda Manhã
type: MusicAlbum
date published: 2016-09-23

Salvador Daliberdade
type: MusicAlbum
date published: 2017-10-30

A Favor
type: MusicAlbum
date published: 2018-04-20

Amor Amor (Acústico)
type: MusicAlbum
date published: 2018-09-14

Pra Ficarmos Juntos
type: MusicAlbum
date published: 2018-10-05

Colado em Você
type: MusicAlbum
date published: 2018-10-26

Eu Tenho Medo do Escuro
type: MusicAlbum
date published: 2018-11-16

Paraíso
type: MusicAlbum
date published: 2018-12-07

Presente de Deus (Remix)
type: MusicAlbum
date published: 2019-02-01

Vai Vem Vai Bem
type: MusicAlbum
date published: 2019-05-03

Studio Tf (Ao Vivo)
type: MusicAlbum
date published: 2019-10-25

A Mina É na Dela
type: MusicAlbum
date published: 2020-06-12

Mais uma Vez
type: MusicAlbum
date published: 2021-11-12

Valeu a Espera
type: MusicAlbum
date published: 2022-01-21
track: Valeu a Espera
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174720
  explicit: false
  by artist: Tuca Fernandes
  in album: Valeu a Espera
    type: MusicAlbum
    date published: 2022-01-21
  genre: axé
  genre: pagode baiano
  isrc code: BXATZ2100002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T22:19:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbae3ae45d802aab85ecd9aa7a657f5916b8bdb1f9e81f8992a5fa4e7cce42cbe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXATZ2100002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0xbae3ae45d802aab85ecd9aa7a657f5916b8bdb1f9e81f8992a5fa4e7cce42cbe. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BXATZ2100002.
    date published: 2026-07-05T01:12:41Z
  audio: Valeu a Espera
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.088
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.682
    additional property: Energy
      type: PropertyValue
      value: 0.804
    additional property: Speechiness
      type: PropertyValue
      value: 0.215
    additional property: Acousticness
      type: PropertyValue
      value: 0.094
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.431
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.514
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.56
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Desapego
type: MusicAlbum
date published: 2023-08-13

Minha Praia
type: MusicAlbum
date published: 2023-10-13
track: Falta Você / Pôr Do Sol na Praia
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225533
  explicit: false
  by artist: Tuca Fernandes
  in album: Minha Praia
    type: MusicAlbum
    date published: 2023-10-13
  genre: axé
  genre: pagode baiano
  isrc code: QMFME2355771
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T16:56:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x57246429becbb64b33e37f417c7170131222515a30e576446be8c84e4e6e5055
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958587
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958587
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2355771
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T17:06:26Z
  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 0x57246429becbb64b33e37f417c7170131222515a30e576446be8c84e4e6e5055. Chain 2 (Bitcoin): anchored in block 958587 (2026-07-18T17:06:26Z), 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/QMFME2355771.
    date published: 2026-07-18T17:06:26Z
  audio: Falta Você / Pôr Do Sol na Praia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.377
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.576
    additional property: Energy
      type: PropertyValue
      value: 0.685
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.146
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.198
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.748
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.8
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Minha Preferida
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150165
  explicit: false
  by artist: Tuca Fernandes
  in album: Minha Praia
    type: MusicAlbum
    date published: 2023-10-13
  genre: axé
  genre: pagode baiano
  isrc code: QMFME2355773
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T16:34:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0fb27ff7e7ae6abf321c9d84cd4320450afa0a0df404f2f479f3e6e9fb408a18
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956576
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2355773
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T02:06:47Z
  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 0x0fb27ff7e7ae6abf321c9d84cd4320450afa0a0df404f2f479f3e6e9fb408a18. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QMFME2355773.
    date published: 2026-07-04T02:06:47Z
  audio: Minha Preferida
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 148.015
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.591
    additional property: Energy
      type: PropertyValue
      value: 0.767
    additional property: Speechiness
      type: PropertyValue
      value: 0.087
    additional property: Acousticness
      type: PropertyValue
      value: 0.05
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.28
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.664
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.157
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Valeu a Espera
type: MusicAlbum
date published: 2023-12-18

Acústico Na Varanda
type: MusicAlbum
date published: 2024-10-18

TF Acústico Bahia
type: MusicAlbum
date published: 2024-12-03

TF Acústico Bahia
type: MusicAlbum
date published: 2025-01-31
track: Milla - TF Acústico Bahia
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96873
  explicit: false
  by artist: Tuca Fernandes
  in album: TF Acústico Bahia
    type: MusicAlbum
    date published: 2025-01-31
  genre: axé
  genre: pagode baiano
  isrc code: QM4TW2568993
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T21:57:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x627268db1adeb61488eb71f8612e1096be088cb656b4a09dacc4ab3446c2cb8b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958461
  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-17T23:18:11Z
  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 0x627268db1adeb61488eb71f8612e1096be088cb656b4a09dacc4ab3446c2cb8b. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QM4TW2568993.
    date published: 2026-07-17T23:18:11Z
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    additional property: Tempo (BPM)
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      value: 120.253
    additional property: Musical Key
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      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: 0.537
    additional property: Energy
      type: PropertyValue
      value: 0.267
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.844
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.152
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.432
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.394
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Selva Branca - TF Acústico Bahia
  type: MusicRecording
  duration: PT1M31S
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  in album: TF Acústico Bahia
    type: MusicAlbum
    date published: 2025-01-31
  genre: axé
  genre: pagode baiano
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2568995
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0x106fd92adce98ba6c895663184eb67c3096a55939d85d85582121d185bad8014. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QM4TW2568995.
    date published: 2026-07-04T10:04:33Z
  audio: Selva Branca - TF Acústico Bahia
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.191
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
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track: Bota Pra Ferver - TF Acústico Bahia
  type: MusicRecording
  duration: PT1M34S
  duration ms: 94087
  explicit: false
  by artist: Tuca Fernandes
  in album: TF Acústico Bahia
    type: MusicAlbum
    date published: 2025-01-31
  genre: axé
  genre: pagode baiano
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956576
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Bota Pra Ferver - TF Acústico Bahia

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956576

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2569010

OTSTimestamp
type: PropertyValue
value: 2026-07-04T02:06:47Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34a1c09be98b3024d64fc6f97a6f7dd3a16ff00f36a7712f6a0ac57317341381. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QM4TW2569010.
date published: 2026-07-04T02:06:47Z

Bota Pra Ferver - TF Acústico Bahia
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 84.186
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.484
additional property: Energy
  type: PropertyValue
  value: 0.308
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.795
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.145
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.28
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.096
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Amor Amor (Remix)
type: MusicAlbum
date published: 2025-06-26