Quadrilha
type: MusicGroup
genre: fado
genre: traditional music
popularity: 10
followers: 2850
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1eaa222e790f5e90a06ad1c782f88049de8b1751c23fe23de8ecfe745210cfed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/91e9b010-652c-4ce9-bfd5-f58649e8297f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/91e9b010-652c-4ce9-bfd5-f58649e8297f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/91e9b010-652c-4ce9-bfd5-f58649e8297f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
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 → block must exist at that height 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 0x1eaa222e790f5e90a06ad1c782f88049de8b1751c23fe23de8ecfe745210cfed. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/91e9b010-652c-4ce9-bfd5-f58649e8297f.json and https://artists.proofprofile.net/proofs/artist/91e9b010-652c-4ce9-bfd5-f58649e8297f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
album: Canções do Mar
  type: MusicAlbum
  date published: 2012-02-13
  track: À Barca da Vida
    type: MusicRecording
    duration: PT2M49S
    duration ms: 169840
    explicit: false
    by artist: Fernando Marques
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Ninguém É Dono do Mar
    type: MusicRecording
    duration: PT5M20S
    duration ms: 320853
    explicit: false
    by artist: Quadrilha
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: A Barca Que Vai No Rio
    type: MusicRecording
    duration: PT2M25S
    duration ms: 145653
    explicit: false
    by artist: Arlindo De Carvalho
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Chegada dos Navios
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151440
    explicit: false
    by artist: Maria Da Fé
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Barquito Corcel
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151440
    explicit: false
    by artist: Natalino de Jesus
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Alto Mar
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182066
    explicit: false
    by artist: Piedade Fernandes
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Mar de Saudade
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191640
    explicit: false
    by artist: Zé Carvalho
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Fado das Caravelas
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156466
    explicit: false
    by artist: Florência
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Daquela Janela Virada Pró Mar
    type: MusicRecording
    duration: PT3M6S
    duration ms: 186666
    explicit: false
    by artist: Tristão Da Silva
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Tio Zé e o Mar
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196394
    explicit: false
    by artist: Maria Armanda
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Na Barca
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236333
    explicit: false
    by artist: Clássicos
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Nas Águas Vai Meu Navio
    type: MusicRecording
    duration: PT2M27S
    duration ms: 147160
    explicit: false
    by artist: Cátia Montemor
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Canção do Mar
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164546
    explicit: false
    by artist: Hits of Portugal
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Meu Amor Marinheiro
    type: MusicRecording
    duration: PT2M38S
    duration ms: 158866
    explicit: false
    by artist: Lenita Gentil
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Barco Estrangeiro
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190306
    explicit: false
    by artist: Gabriel Cardoso – Dino Meira – Maria Valejo
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Eu Quero Ser Marinheira
    type: MusicRecording
    duration: PT4M5S
    duration ms: 245000
    explicit: false
    by artist: Cândida Branca Flôr
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Em Barca
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196933
    explicit: false
    by artist: Navegante
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: No Mar o Luar
    type: MusicRecording
    duration: PT3M5S
    duration ms: 185040
    explicit: false
    by artist: Victor Maurício
    in album: Canções do Mar
      type: MusicAlbum
      date published: 2012-02-13
  track: Senhora da Barca D'Alva
  track: Amanheceu Junto Ao Mar
  track: Homens e Caravelas
  track: Barco Negro
  track: Pescador da Barca Bela
  track: A Noite (Milhões de Barcos)
album: Oceanos
album: TATEIA
album: Afoita Corrente
album: A Cor da Vontade
album: Quarto Crescente
album: Entre Luas
album: Contos De Fragas E Pragas
album: Ao Vivo - Deixa Que Aconteça
album: Alma Portuguesa - Música Popular Portuguesa
album: Lembranças do Meu Alentejo
album: Palco Das Canções
album: Top Nacional Mix
album: Gira-Discos
album: Baladas

Senhora da Barca D'Alva
type: MusicRecording
duration: PT2M49S
duration ms: 169893
explicit: false
by artist: Maria Da Fé
in album: Canções do Mar
  type: MusicAlbum
  date published: 2012-02-13

Amanheceu Junto Ao Mar
type: MusicRecording
duration: PT2M45S
duration ms: 165626
explicit: false
by artist: Vicente da Câmara
in album: Canções do Mar
  type: MusicAlbum
  date published: 2012-02-13

Homens e Caravelas
type: MusicRecording
duration: PT5M22S
duration ms: 322525
explicit: false
by artist: Henrique Matos
in album: Canções do Mar
  type: MusicAlbum
  date published: 2012-02-13

Barco Negro
type: MusicRecording
duration: PT4M6S
duration ms: 246800
explicit: false
by artist: Encores Fado
in album: Canções do Mar
  type: MusicAlbum
  date published: 2012-02-13

Pescador da Barca Bela
type: MusicRecording
duration: PT1M32S
duration ms: 92893
explicit: false
by artist: Nuno Miguel Henriques
in album: Canções do Mar
  type: MusicAlbum
  date published: 2012-02-13

A Noite (Milhões de Barcos)
type: MusicRecording
duration: PT2M18S
duration ms: 138306
explicit: false
by artist: Pedra D' Hera
in album: Canções do Mar
  type: MusicAlbum
  date published: 2012-02-13

Oceanos
type: MusicAlbum
date published: 2006-08-22
track: Balada Das Naus
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261410
  explicit: false
  by artist: Quadrilha
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Lisboa Antiga
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145357
  explicit: false
  by artist: Shegundo Galarza
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Senhora D. Lisboa
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108623
  explicit: false
  by artist: Maria Da Fé
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Voltei Eu Nasci Aqui
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262060
  explicit: false
  by artist: Nucha
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Danças Portuguesas
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137276
  explicit: false
  by artist: Jaime Santos
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Meu Portugal, Meu Amor
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197277
  explicit: false
  by artist: Vasco Rafael
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Última Lágrima Da Vida
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232339
  explicit: false
  by artist: Piedade Fernandes
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Trova Do Amor Lusiada
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137555
  explicit: false
  by artist: Paulo Saraiva
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Mostrengo
  type: MusicRecording
  duration: PT1M26S
  duration ms: 86889
  explicit: false
  by artist: Vitor De Sousa
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Rio Tejo De Lisboa
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182230
  explicit: false
  by artist: Maria Armanda
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Canção Do Mar
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169459
  explicit: false
  by artist: Shegundo Galarza
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Mar De Saudade
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198298
  explicit: false
  by artist: Zé Carvalho
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Saudade
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254955
  explicit: false
  by artist: Ronda Dos Quatro Caminhos
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Lisboa Cidade Sol
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160450
  explicit: false
  by artist: Lenita Gentil
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Ai Mouraria
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219382
  explicit: false
  by artist: Orq. J. Luis Gomes
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: De New York A Lisboa
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124227
  explicit: false
  by artist: Jaime Santos
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Ser Português
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146286
  explicit: false
  by artist: Rodrigo
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Lisboa À Noite
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189428
  explicit: false
  by artist: Fernanda Maria
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Meu Amor Marinheiro
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158174
  explicit: false
  by artist: Lenita Gentil
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Recado A Lisboa
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187199
  explicit: false
  by artist: Vitor De Sousa
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Atlanticidades
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239491
  explicit: false
  by artist: Sidónio Pereira
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: Serenata A Lisboa
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175961
  explicit: false
  by artist: Tony De Matos
  in album: Oceanos
    type: MusicAlbum
    date published: 2006-08-22
track: A Barca Da Vida
track: Águas Calmas Do Tejo
track: Sonhando Com O Fado
track: Olá Cidade
track: Sete Colinas
track: Do Castelo Vi Lisboa

A Barca Da Vida
type: MusicRecording
duration: PT2M53S
duration ms: 173360
explicit: false
by artist: Fernando Marques
in album: Oceanos
  type: MusicAlbum
  date published: 2006-08-22

Águas Calmas Do Tejo
type: MusicRecording
duration: PT3M23S
duration ms: 203221
explicit: false
by artist: Sidónio Pereira
in album: Oceanos
  type: MusicAlbum
  date published: 2006-08-22

Sonhando Com O Fado
type: MusicRecording
duration: PT2M0S
duration ms: 120279
explicit: false
by artist: F. Carvalhinho
in album: Oceanos
  type: MusicAlbum
  date published: 2006-08-22

Olá Cidade
type: MusicRecording
duration: PT3M4S
duration ms: 184366
explicit: false
by artist: António Calvário
in album: Oceanos
  type: MusicAlbum
  date published: 2006-08-22

Sete Colinas
type: MusicRecording
duration: PT5M52S
duration ms: 352200
explicit: false
by artist: Tuna Da Universidade Internacional
in album: Oceanos
  type: MusicAlbum
  date published: 2006-08-22

Do Castelo Vi Lisboa
type: MusicRecording
duration: PT2M32S
duration ms: 152462
explicit: false
by artist: Rodrigo
in album: Oceanos
  type: MusicAlbum
  date published: 2006-08-22

TATEIA
type: MusicAlbum
date published: 2022-01-21
track: Vestido de Sol
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233976
  explicit: false
  by artist: Elon
  by artist: Helinho Medeiros
  in album: TATEIA
    type: MusicAlbum
    date published: 2022-01-21
  isrc code: BCEBC2100008
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:59:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe0bdef7516ef0907a31e55ecdfdf39b2ab309c05258ca946675406b8b9574735
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCEBC2100008
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xe0bdef7516ef0907a31e55ecdfdf39b2ab309c05258ca946675406b8b9574735. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BCEBC2100008.
    date published: 2026-07-08T03:20:19Z
track: Subliminar
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234400
  explicit: false
  by artist: Elon
  by artist: Helinho Medeiros
  by artist: Nathalia Bellar
  in album: TATEIA
    type: MusicAlbum
    date published: 2022-01-21
  isrc code: BCEBC2100009
track: Pingo de Meio Dia
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162848
  explicit: false
  by artist: Elon
  by artist: Helinho Medeiros
  in album: TATEIA
    type: MusicAlbum
    date published: 2022-01-21
track: Questões Abertas
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187818
  explicit: false
  by artist: Elon
  by artist: Helinho Medeiros
  by artist: Quadrilha
  in album: TATEIA
    type: MusicAlbum
    date published: 2022-01-21
track: Orvalho na Roseira
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209328
  explicit: false
  by artist: Elon
  by artist: Helinho Medeiros
  by artist: Lucas Gaião
  in album: TATEIA
    type: MusicAlbum
    date published: 2022-01-21
track: Quentin'
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228452
  explicit: false
  by artist: Elon
  by artist: Helinho Medeiros
  in album: TATEIA
    type: MusicAlbum
    date published: 2022-01-21
track: Anayde Beiriz
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197013
  explicit: false
  by artist: Elon
  by artist: Helinho Medeiros
  by artist: Quei
  in album: TATEIA
    type: MusicAlbum
    date published: 2022-01-21
  isrc code: BCEBC2100013
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T21:10:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xefd605cbd6b69d78e11ccb5d7eaf1dfe9b7fd9a442b94e96bc2a09028244d269
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCEBC2100013
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xefd605cbd6b69d78e11ccb5d7eaf1dfe9b7fd9a442b94e96bc2a09028244d269. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BCEBC2100013.
    date published: 2026-07-08T03:20:19Z

Afoita Corrente
type: MusicAlbum
date published: 2019-04-12
track: Afoita Corrente
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321394
  explicit: false
  by artist: Elon
  by artist: Cristiano Oliveira
  by artist: Cassicobra
  by artist: Quadrilha
  in album: Afoita Corrente
    type: MusicAlbum
    date published: 2019-04-12
  isrc code: QZGLS1934821

A Cor da Vontade
type: MusicAlbum
date published: 2011-04-01
track: Não Dêem Cabo do Mundo
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210026
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
  isrc code: DEZ651030796
track: Nem Mal Que Sempre Dure, Nem Bem Que Nunca Se Acabe
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256293
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
  isrc code: DEZ651030797
  additional property: CopyrightID
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    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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    value: 2026-07-06T22:46:49+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ651030797
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x47f2212b690705a28cc4cfb0b2e7b4c9d1fdb82c29295c20ccb76cba07a2db0b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEZ651030797.
    date published: 2026-07-08T03:53:27Z
track: Mértola
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263720
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
  isrc code: DEZ651030798
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T17:40:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb3ab4cd29bb4e2bdd89833c4a696b4344d67f73ce46d83b6fab199e275cb244d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ651030798
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xb3ab4cd29bb4e2bdd89833c4a696b4344d67f73ce46d83b6fab199e275cb244d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEZ651030798.
    date published: 2026-07-08T03:53:27Z
track: Quem Bem Faz a Cama Bem Nela Se Deita
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208680
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
track: Lua Branca das Ribeiras
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240853
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
  isrc code: DEZ651030800
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T21:09:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x215d9b54416f7aa81907bd1c8126730d31f0e5fe090a3f19970149f8f6e71666
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ651030800
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x215d9b54416f7aa81907bd1c8126730d31f0e5fe090a3f19970149f8f6e71666. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEZ651030800.
    date published: 2026-07-08T03:22:41Z
track: Druantia
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249466
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
track: À Força Não Hei de Ir
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274626
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
  isrc code: DEZ651030802
track: História da Marianita
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291613
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
track: Nós Tenemos Muitos Nabos
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199173
  explicit: false
  by artist: Quadrilha
  in album: A Cor da Vontade
    type: MusicAlbum
    date published: 2011-04-01
  isrc code: DEZ651030804
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T20:50:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x20e6b8f20c19d45490059100e93ada6f46ddc8c41d61512c078870a8e2a326c1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ651030804
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Tu Hás-De Ver
track: Vade Retro Satanás
track: A Carreira das Duas - Live

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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 → block OTSBitcoinBlock must exist at that height 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 0x20e6b8f20c19d45490059100e93ada6f46ddc8c41d61512c078870a8e2a326c1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEZ651030804.
date published: 2026-07-08T03:53:27Z

Tu Hás-De Ver
type: MusicRecording
duration: PT3M43S
duration ms: 223986
explicit: false
by artist: Quadrilha
in album: A Cor da Vontade
  type: MusicAlbum
  date published: 2011-04-01
isrc code: DEZ651030805
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:59:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c643e558f77e2e5fd56732e23d65ae8e1aa63e1f7df7a5c21a32fe11ff90982
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ651030805
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 → block OTSBitcoinBlock must exist at that height 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 0x4c643e558f77e2e5fd56732e23d65ae8e1aa63e1f7df7a5c21a32fe11ff90982. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEZ651030805.
  date published: 2026-07-08T03:53:27Z

Vade Retro Satanás
type: MusicRecording
duration: PT4M19S
duration ms: 259093
explicit: false
by artist: Quadrilha
in album: A Cor da Vontade
  type: MusicAlbum
  date published: 2011-04-01

A Carreira das Duas - Live
type: MusicRecording
duration: PT10M19S
duration ms: 619106
explicit: false
by artist: Quadrilha
in album: A Cor da Vontade
  type: MusicAlbum
  date published: 2011-04-01

Quarto Crescente
type: MusicAlbum
date published: 1970-01-01
track: Ninguém É Dono Do Mar
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309661
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19900313
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T09:04:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeec44767f65723649603cba5a65c53d760ca9a5ab3672b3208f557c2f4dad149
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957819
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957819
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV19900313
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T07:53:33Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xeec44767f65723649603cba5a65c53d760ca9a5ab3672b3208f557c2f4dad149. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/PTOV19900313.
    date published: 2026-07-13T07:53:33Z
track: Rio De Onor
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250218
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19900314
track: Alguma Coisa Há-De Dar
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212602
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
track: Canto Do Quarto Crescente
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224444
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
track: Lágrima De Lobo
  type: MusicRecording
  duration: PT5M36S
  duration ms: 336039
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
track: Cá Vamos Andando
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285327
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19900318
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:38:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7ea58b6a7ee3cd4d363b161d9ddc4fdcd683937f88b83745ecb723a9c6ef1d9b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV19900318
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x7ea58b6a7ee3cd4d363b161d9ddc4fdcd683937f88b83745ecb723a9c6ef1d9b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PTOV19900318.
    date published: 2026-07-08T03:53:27Z
track: Scotish
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185992
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
track: Toada Do Alentejo
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238933
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19900320
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:03:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd8c8391168a307d80fd3abdaeab91492b1e3bd0c277ed98cc7d383eff689ca3d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV19900320
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xd8c8391168a307d80fd3abdaeab91492b1e3bd0c277ed98cc7d383eff689ca3d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PTOV19900320.
    date published: 2026-07-08T03:53:27Z
track: A Vida A Fazer De Conta
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272231
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
track: Má Sorte Teres Sido Tu
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281240
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
track: Aninhas
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240884
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
    type: MusicAlbum
    date published: 1970-01-01
track: Se A Vida Fosse Com A Gente Quer
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248871
  explicit: false
  by artist: Quadrilha
  in album: Quarto Crescente
track: Valsa Da Bailarina
track: Ninguém É Dono Do Mar Ii

Quadrilha
type: MusicGroup

Quarto Crescente
type: MusicAlbum
date published: 1970-01-01

Valsa Da Bailarina
type: MusicRecording
duration: PT3M59S
duration ms: 239212
explicit: false
by artist: Quadrilha
in album: Quarto Crescente
  type: MusicAlbum
  date published: 1970-01-01

Ninguém É Dono Do Mar Ii
type: MusicRecording
duration: PT1M55S
duration ms: 115914
explicit: false
by artist: Quadrilha
in album: Quarto Crescente
  type: MusicAlbum
  date published: 1970-01-01

Entre Luas
type: MusicAlbum
date published: 1970-01-01
track: Não Há Dinheiro
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173093
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700065
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T21:14:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcb0cfb3ad7b4a5a9fed7e830681ca9e7768ad79619036dc044aff39e6bc1051b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV19700065
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xcb0cfb3ad7b4a5a9fed7e830681ca9e7768ad79619036dc044aff39e6bc1051b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PTOV19700065.
    date published: 2026-07-08T03:53:27Z
track: Conto Do Bicho Papão
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269733
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700066
track: P'ra Saber O Fim
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240733
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700067
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:32:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb34a6af6e5e94d9d31362255f173a32a820d162e59b5ac3fdaa8ba6716f596e5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV19700067
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xb34a6af6e5e94d9d31362255f173a32a820d162e59b5ac3fdaa8ba6716f596e5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PTOV19700067.
    date published: 2026-07-08T03:22:41Z
track: Doideira
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211667
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700068
track: O Lobo
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138773
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700069
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T23:21:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xae8b3c79bd50045c3d157dd1e267831103523fcfd0be4c1c22c39130d66de28f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV19700069
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xae8b3c79bd50045c3d157dd1e267831103523fcfd0be4c1c22c39130d66de28f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PTOV19700069.
    date published: 2026-07-08T03:22:41Z
track: Quem Casa Com Mulher Bonita
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267693
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
track: Quem Anda Ao Mar
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266067
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
track: História Da Minhota
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213200
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700072
track: Quando Deus Quiser
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285533
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700073
track: Balada Do Desajeitado
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272507
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700074
track: Ai Caramba
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253133
  explicit: false
  by artist: Quadrilha
  in album: Entre Luas
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: PTOV19700075
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-25T02:36:10+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xd480acfbb7676d1baf01d5d246a1b1bae8414ed26b1f7ad6f80ebf39cafdf1c1

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956349

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956349

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV19700075

OTSTimestamp
type: PropertyValue
value: 2026-07-02T11:34:59Z

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 → block OTSBitcoinBlock must exist at that height 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 0xd480acfbb7676d1baf01d5d246a1b1bae8414ed26b1f7ad6f80ebf39cafdf1c1. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/PTOV19700075.
date published: 2026-07-02T11:34:59Z

Contos De Fragas E Pragas
type: MusicAlbum
date published: 1970-01-01
track: Ai Caramba
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260249
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: Temporal
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227881
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: Quadrilha
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233500
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: Fraga
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270838
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: Menina De Fato Negro
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304460
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: Chamaram-Me Cigano
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217710
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: Normanda
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241395
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: Desnorteia
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220543
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: Balada Das Naus
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261550
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01
track: A Mulher Da Erva
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207401
  explicit: false
  by artist: Quadrilha
  in album: Contos De Fragas E Pragas
    type: MusicAlbum
    date published: 1970-01-01

Ao Vivo - Deixa Que Aconteça
type: MusicAlbum
date published: 2006-01-01
track: Por Quem Tu És Desejado
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301306
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Quem Anda Ao Mar
  type: MusicRecording
  duration: PT5M28S
  duration ms: 328693
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Ai Caramba
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238733
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Ponte Da Misarela
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299266
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Não Dêem Cabo Do Mundo
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241040
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Saharaoui
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269000
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: À Força Não Hei-De Ir
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287800
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Balada Do Desajeitado
  type: MusicRecording
  duration: PT5M32S
  duration ms: 332426
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
  isrc code: PTOV10600233
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T06:29:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a85bf4431410bb39c42515b2a9ba000baa65adfb61adb7fdee45f5d80ada552
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV10600233
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x8a85bf4431410bb39c42515b2a9ba000baa65adfb61adb7fdee45f5d80ada552. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/PTOV10600233.
    date published: 2026-07-06T06:56:49Z
track: Caixinha De Música
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233040
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
  isrc code: PTOV10600234
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-08T00:18:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe3b69fcf3c37c5916f9bfb663d68e32eb53ab32992f5a8a2ff5c915180d8e410
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV10600234
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xe3b69fcf3c37c5916f9bfb663d68e32eb53ab32992f5a8a2ff5c915180d8e410. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PTOV10600234.
    date published: 2026-07-08T08:56:20Z
track: Levitação Azul
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241213
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Se As Ondas Voam Com O Vento
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244080
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Canção De Emborcar
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259546
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Doideira
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257253
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Ninguém É Dono Do Mar
  type: MusicRecording
  duration: PT5M20S
  duration ms: 320853
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Vade Retro Satanás
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276440
  explicit: false
  by artist: Quadrilha
  in album: Ao Vivo - Deixa Que Aconteça
    type: MusicAlbum
    date published: 2006-01-01
track: Nem Mal Que Sempre Dure Nem Bem Que Nunca Se Acabe

Nem Mal Que Sempre Dure Nem Bem Que Nunca Se Acabe
type: MusicRecording
duration: PT5M7S
duration ms: 307026
explicit: false
by artist: Quadrilha
in album: Ao Vivo - Deixa Que Aconteça
  type: MusicAlbum
  date published: 2006-01-01

Alma Portuguesa - Música Popular Portuguesa
type: MusicAlbum
date published: 2010-01-01
track: Chula de paus
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252000
  explicit: false
  by artist: Ronda Dos Quatro Caminhos
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Lá em cima naquela terra
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194306
  explicit: false
  by artist: Assobio
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Valsa braguesa
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220520
  explicit: false
  by artist: Navegante
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Veneno de moriana
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306813
  explicit: false
  by artist: Romanças
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Sete luas
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257253
  explicit: false
  by artist: Santiago
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Aqui se canta aqui se baila
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228506
  explicit: false
  by artist: Alafum
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Ai caramba
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253800
  explicit: false
  by artist: Quadrilha
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Cantiga de oledo
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163986
  explicit: false
  by artist: Arlindo De Carvalho
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Eu ouvi um passarinho
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153600
  explicit: false
  by artist: Grupo Coral de Cantares Regionais de Portel
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: PTOV10300172
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T01:31:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x168c6e7e14635f5ae988e84e0ab2071064ba4d84905c0d016565fa99e71989da
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV10300172
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x168c6e7e14635f5ae988e84e0ab2071064ba4d84905c0d016565fa99e71989da. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PTOV10300172.
    date published: 2026-07-08T03:22:41Z
track: Alma al
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199093
  explicit: false
  by artist: Adiafa
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01
track: Roupas de romaria
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192986
  explicit: false
  by artist: Seara Jovem
  in album: Alma Portuguesa - Música Popular Portuguesa
    type: MusicAlbum
    date published: 2010-01-01

Lembranças do Meu Alentejo
type: MusicAlbum
date published: 2012-02-01
track: Se Fores ao Alentejo
  type: MusicRecording
  duration: PT6M6S
  duration ms: 366653
  explicit: false
  by artist: José Gonçalez
  by artist: António Pinto Basto
  in album: Lembranças do Meu Alentejo
    type: MusicAlbum
    date published: 2012-02-01
  isrc code: PTOV11000039
track: Alentejo Meus Amores
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260200
  explicit: false
  by artist: Chiquita
  in album: Lembranças do Meu Alentejo
    type: MusicAlbum
    date published: 2012-02-01
track: Alentejo É Meu Pais
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146360
  explicit: false
  by artist: João Braza
  in album: Lembranças do Meu Alentejo
    type: MusicAlbum
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track: Sol do Alentejo
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Palco Das Canções
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  by artist: Tuna Univ. Int. Lisboa
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track: Oh Amélia
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Top Nacional Mix
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Gira-Discos
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  by artist: Sérgio Wonder
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Baladas
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