Pedro Barroso
type: MusicGroup
genre: fado
popularity: 15
followers: 5082
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b795420d10de0925224374275a6b360a63e49e9db745ff24fc153d14fc2ac7b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a149dec4-9447-4b18-afb6-70ba7794769d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a149dec4-9447-4b18-afb6-70ba7794769d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a149dec4-9447-4b18-afb6-70ba7794769d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:47:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6b795420d10de0925224374275a6b360a63e49e9db745ff24fc153d14fc2ac7b","name":"Pedro Barroso","registered_at":"2026-06-14T21:32:18Z","symbol":"NIM0582723","token_address":"0x0a9924d996394635ff8fc5f8c0319ffa8d19447c","type":"artist","uuid":"a149dec4-9447-4b18-afb6-70ba7794769d"}
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 0x6b795420d10de0925224374275a6b360a63e49e9db745ff24fc153d14fc2ac7b. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a149dec4-9447-4b18-afb6-70ba7794769d.json and https://artists.proofprofile.net/proofs/artist/a149dec4-9447-4b18-afb6-70ba7794769d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0x6b795420d10de0925224374275a6b360a63e49e9db745ff24fc153d14fc2ac7b","name":"Pedro Barroso","registered_at":"2026-06-14T21:32:18Z","symbol":"NIM0582723","token_address":"0x0a9924d996394635ff8fc5f8c0319ffa8d19447c","type":"artist","uuid":"a149dec4-9447-4b18-afb6-70ba7794769d"}
album: 1.º de Maio
  type: MusicAlbum
  date published: 1975-01-01
album: Pastilhas reacção
  type: MusicAlbum
  date published: 1975-01-01
album: Quem Canta Seus Males Espanta (Cantos Da Terra, Amor, Trabalho E Homenagem)
  type: MusicAlbum
  date published: 1980
album: Quem Canta Seus Males Espanta
  type: MusicAlbum
  date published: 1980-01-01
album: Cantos D`Antiga Idade
  type: MusicAlbum
  date published: 1994
album: Cantos D'antiga Idade
  type: MusicAlbum
  date published: 1994-01-01
album: Pedro Barroso
  type: MusicAlbum
  date published: 1995
album: Pedro Barroso
  type: MusicAlbum
  date published: 1995-01-01
album: Cartas a Portugal (Água Mole Em Pedra Dura...)
  type: MusicAlbum
  date published: 2000
  track: Água Mole em Pedra Dura
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184656
    explicit: false
    by artist: Pedro Barroso
    in album: Cartas a Portugal (Água Mole Em Pedra Dura...)
      type: MusicAlbum
      date published: 2000
    genre: fado
    isrc code: PTCN10000074
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-29T18:30:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xad7a0e27226a62cfe82b94c85ad5b58e363832ea518d94601b670dbde24f3c34
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTCN10000074
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    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 0xad7a0e27226a62cfe82b94c85ad5b58e363832ea518d94601b670dbde24f3c34. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/PTCN10000074.
      date published: 2026-07-02T16:51:38Z
    audio: Água Mole em Pedra Dura
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.569
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.67
      additional property: Energy
        type: PropertyValue
        value: 0.537
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.833
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.153
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.819
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.553
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Cartas a Portugal (Água Mole em Pedra Dura...)
  type: MusicAlbum
  date published: 2000-01-01
album: Sensual Idade
  type: MusicAlbum
  date published: 2008-11-01
album: Cantos da Paixão e da Revolta
  type: MusicAlbum
  date published: 2012-02-06
album: Pedro Barroso: Cartas a Portugal
  type: MusicAlbum
  date published: 2012-11-06
album: Cantos D'antiga Idade
  type: MusicAlbum
  date published: 2013-03-05
album: Memória do Futuro
  type: MusicAlbum
  date published: 2013-05-03
  track: Cantarei
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237164
    explicit: false
    by artist: Pedro Barroso
    in album: Memória do Futuro
      type: MusicAlbum
      date published: 2013-05-03
    genre: fado
    isrc code: PTOV11300051
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T06:09:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xba7265456c3bb90f90cae6033b30cfe52583600a83991cd72e7c51ae00e47291
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956790
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956790
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV11300051
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T12:31:54Z
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Cantarei
  track: Bonita
  track: Menina Dos Olhos de Água
album: Palavras Ao Vento
album: Artes do Futuro
album: Novembro... Que Rumos

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 0xba7265456c3bb90f90cae6033b30cfe52583600a83991cd72e7c51ae00e47291. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/PTOV11300051.
date published: 2026-07-05T12:31:54Z

Cantarei
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 148.38
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.41
additional property: Energy
  type: PropertyValue
  value: 0.66
additional property: Speechiness
  type: PropertyValue
  value: 0.565
additional property: Acousticness
  type: PropertyValue
  value: 0.832
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.287
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.695
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.212
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Bonita
type: MusicRecording
duration: PT6M37S
duration ms: 397552
explicit: false
by artist: Pedro Barroso
in album: Memória do Futuro
  type: MusicAlbum
  date published: 2013-05-03
genre: fado
isrc code: PTOV11300053
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T23:54:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb42246a666366399535604e72a91530492820dea97a3675d2bfaa076a1f7b7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958798
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958798
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV11300053
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T02:57:54Z
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 0xeb42246a666366399535604e72a91530492820dea97a3675d2bfaa076a1f7b7d. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:57:54Z), 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/PTOV11300053.
  date published: 2026-07-20T02:57:54Z
audio: Bonita
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.158
  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: 0.426
  additional property: Energy
    type: PropertyValue
    value: 0.516
  additional property: Speechiness
    type: PropertyValue
    value: 0.085
  additional property: Acousticness
    type: PropertyValue
    value: 0.787
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.389
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.722
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Menina Dos Olhos de Água
type: MusicRecording
duration: PT6M30S
duration ms: 390016
explicit: false
by artist: Pedro Barroso
in album: Memória do Futuro
  type: MusicAlbum
  date published: 2013-05-03
genre: fado
isrc code: PTOV11300066
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T12:43:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e6c85ace627c3de940755681c85487e7780a30305f7dc96114381c7b60eaa95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTOV11300066
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
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 0x4e6c85ace627c3de940755681c85487e7780a30305f7dc96114381c7b60eaa95. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/PTOV11300066.
  date published: 2026-07-03T23:28:02Z
audio: Menina Dos Olhos de Água
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 74.598
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.718
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.829
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.713
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.322
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.116
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Palavras Ao Vento
type: MusicAlbum
date published: 2014-04-14

Artes do Futuro
type: MusicAlbum
date published: 2017-03-24

Novembro... Que Rumos
type: MusicAlbum
date published: 2020-11-20