Raul De Barros
type: MusicGroup
genre: samba
popularity: 8
followers: 2144
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e11e274df18fb6f9621122526f1d0404365a7ba111ac67e89d193b036b17042
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d9fa197e-62c7-44e8-92be-264e0951d193.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d9fa197e-62c7-44e8-92be-264e0951d193.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d9fa197e-62c7-44e8-92be-264e0951d193
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2e11e274df18fb6f9621122526f1d0404365a7ba111ac67e89d193b036b17042","name":"Raul De Barros","registered_at":"2026-06-21T04:31:39Z","symbol":"NIM1820351","token_address":"0x328ff3ecf4e31dffc36a2ef76e46df863ed765e5","type":"artist","uuid":"d9fa197e-62c7-44e8-92be-264e0951d193"}
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 0x2e11e274df18fb6f9621122526f1d0404365a7ba111ac67e89d193b036b17042. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d9fa197e-62c7-44e8-92be-264e0951d193.json and https://artists.proofprofile.net/proofs/artist/d9fa197e-62c7-44e8-92be-264e0951d193.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0x2e11e274df18fb6f9621122526f1d0404365a7ba111ac67e89d193b036b17042","name":"Raul De Barros","registered_at":"2026-06-21T04:31:39Z","symbol":"NIM1820351","token_address":"0x328ff3ecf4e31dffc36a2ef76e46df863ed765e5","type":"artist","uuid":"d9fa197e-62c7-44e8-92be-264e0951d193"}
album: Musica de América del Sur
  type: MusicAlbum
  date published: 2003-07-14
album: Choros e Chorões, Os Novos Boêmios: Vol. 2
  type: MusicAlbum
  date published: 1979-02-15
album: Anemos Trombone Quartet & Friends
  type: MusicAlbum
  date published: 2009
album: O Som da Gafieira
  type: MusicAlbum
  date published: 2017-06-19
  track: Pennsylvania 6-5000 / Tea for Two
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201827
    explicit: false
    by artist: Raul De Barros
    in album: O Som da Gafieira
      type: MusicAlbum
      date published: 2017-06-19
    genre: samba
    isrc code: BRCID8300035
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T22:40:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb62b9e26a9a4f56e8ec907052638ef7b248712268c452b4676337a4fa40acac3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957124
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957124
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID8300035
    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 → 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 0xb62b9e26a9a4f56e8ec907052638ef7b248712268c452b4676337a4fa40acac3. 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/BRCID8300035.
      date published: 2026-07-08T03:53:27Z
    audio: Pennsylvania 6-5000 / Tea for Two
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.216
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.795
      additional property: Energy
        type: PropertyValue
        value: 0.71
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.384
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.699
      additional property: Liveness
        type: PropertyValue
        value: 0.284
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.969
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.502
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Ela Disse-Me Assim "Vá Embora" / Canção de Amor
    type: MusicRecording
    duration: PT3M6S
    duration ms: 186316
    explicit: false
    by artist: Raul De Barros
    in album: O Som da Gafieira
      type: MusicAlbum
      date published: 2017-06-19
    genre: samba
    isrc code: BRCID8300037
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T21:03:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0e632fe3a106e815550dc68868af5377a5ab92d44bdaf5960c178990428def77
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957120
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957120
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID8300037
    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 → 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 0x0e632fe3a106e815550dc68868af5377a5ab92d44bdaf5960c178990428def77. 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/BRCID8300037.
      date published: 2026-07-08T03:22:41Z
    audio: Ela Disse-Me Assim "Vá Embora" / Canção de Amor
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 177.347
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.523
      additional property: Energy
        type: PropertyValue
        value: 0.338
      additional property: Speechiness
        type: PropertyValue
        value: 0.069
      additional property: Acousticness
        type: PropertyValue
        value: 0.582
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Estatuto da Gafieira
  track: Coração Leviano
album: Amigo Velho
album: Trombone Travesso
album: Neptuno
album: Brasil Trombone
album: Raul De Barros Toca Para Dançar
album: Samba
album: Samba! Samba!
album: Sambistas Nota 10, Vol. 1
album: Para Sempre - Choros
album: Sambistas Nota 10, Vol. 3
album: Choros e Chorinhos
album: Encontro Dos Mestres do Choro
album: The Music of Brazil / A Trombone Virtuoso / Recordings 1957
album: Corcovado
album: Samba, Mania Nacional, Vol. 1
album: Como Vai Você?
album: Flor Amorosa
album: Na Mini Onda
album: Mulata, Mulata: Brazilian Old time Hits
album: Mano a Mano: Brazilian Old time Hits
album: Hot Latino Nights, Vol. 3 (Remastered 2023)
track: Na Glória

Instrumentalness
type: PropertyValue
value: 0.952

Liveness
type: PropertyValue
value: 0.319

Valence (Positivity)
type: PropertyValue
value: 0.283

Loudness (dB)
type: PropertyValue
value: -17.33

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Estatuto da Gafieira
type: MusicRecording
duration: PT2M25S
duration ms: 145914
explicit: false
by artist: Raul De Barros
by artist: Ze Ventura
in album: O Som da Gafieira
  type: MusicAlbum
  date published: 2017-06-19
genre: samba
isrc code: BRCID7900005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:12:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf031b8f98cfdb4e39c5ded475c087b84efe52cddc2f6742942c384dc99229985
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID7900005
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 → 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 0xf031b8f98cfdb4e39c5ded475c087b84efe52cddc2f6742942c384dc99229985. 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/BRCID7900005.
  date published: 2026-07-08T08:56:20Z
audio: Estatuto da Gafieira
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.078
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.589
  additional property: Energy
    type: PropertyValue
    value: 0.587
  additional property: Speechiness
    type: PropertyValue
    value: 0.214
  additional property: Acousticness
    type: PropertyValue
    value: 0.338
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.224
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.943
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.126
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Coração Leviano
type: MusicRecording
duration: PT3M4S
duration ms: 184087
explicit: false
by artist: Raul De Barros
by artist: Ze Carlos
in album: O Som da Gafieira
  type: MusicAlbum
  date published: 2017-06-19
genre: samba
isrc code: BRCID7900044
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:39:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc46864a824fb8d40bcd97af063fbef62981977e699ce3e87acdcc11ba7d0cecd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID7900044
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 → 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 0xc46864a824fb8d40bcd97af063fbef62981977e699ce3e87acdcc11ba7d0cecd. 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/BRCID7900044.
  date published: 2026-07-08T03:20:19Z
audio: Coração Leviano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.161
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.492
  additional property: Energy
    type: PropertyValue
    value: 0.393
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.852
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.062
  additional property: Liveness
    type: PropertyValue
    value: 0.192
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.771
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.878
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Amigo Velho
type: MusicAlbum
date published: 2014-10-12

Trombone Travesso
type: MusicAlbum
date published: 2014-01-20

Neptuno
type: MusicAlbum
date published: 2013-11-28
track: Amigo Velho
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137665
  explicit: false
  by artist: Raul De Barros
  in album: Neptuno
    type: MusicAlbum
    date published: 2013-11-28
  genre: samba
  isrc code: DEKB71388760
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:37:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x93a127c95dcb3568e67abe881d30492dd57e365e02c9c2e7ea284c077cf48ca7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEKB71388760
  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 → 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 0x93a127c95dcb3568e67abe881d30492dd57e365e02c9c2e7ea284c077cf48ca7. 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/DEKB71388760.
    date published: 2026-07-08T03:20:19Z
  audio: Amigo Velho
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.053
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.868
    additional property: Energy
      type: PropertyValue
      value: 0.44
    additional property: Speechiness
      type: PropertyValue
      value: 0.071
    additional property: Acousticness
      type: PropertyValue
      value: 0.741
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.126
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.971
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.362
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Brasil Trombone
type: MusicAlbum
date published: 1974-01-01
track: Na Gloria
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142560
  explicit: false
  by artist: Raul De Barros
  in album: Brasil Trombone
    type: MusicAlbum
    date published: 1974-01-01
  genre: samba
  isrc code: BREMI6500142
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T06:46:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x964f3960595427268808482e85a3d28596f41dab151fe0da7ffabd32d7ff17e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956312
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI6500142
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  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 0x964f3960595427268808482e85a3d28596f41dab151fe0da7ffabd32d7ff17e9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BREMI6500142.
    date published: 2026-07-02T05:09:12Z
  audio: Na Gloria
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.884
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.703
    additional property: Energy
      type: PropertyValue
      value: 0.682
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.548
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.069
    additional property: Liveness
      type: PropertyValue
      value: 0.311
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.97
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.429
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Voltei Ao Meu Lugar - 2003 Digital Remaster
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187026
  explicit: false
  by artist: Raul De Barros
  in album: Brasil Trombone
    type: MusicAlbum
    date published: 1974-01-01
  genre: samba
  isrc code: BREMI0300479
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T21:01:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x92b3bdd45e46e6e9036a2b20982b1fe1366d4cf6d6a40326ab0a8b81ab3225d8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI0300479
  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 → 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 0x92b3bdd45e46e6e9036a2b20982b1fe1366d4cf6d6a40326ab0a8b81ab3225d8. 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/BREMI0300479.
    date published: 2026-07-08T03:53:27Z
  audio: Voltei Ao Meu Lugar - 2003 Digital Remaster
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 181.861
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.348
    additional property: Energy
      type: PropertyValue
      value: 0.28
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.822
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.919
    additional property: Liveness
      type: PropertyValue
      value: 0.083
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.499
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.957
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Paraquedista - 2003 Digital Remaster
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129733
  explicit: false
  by artist: Raul De Barros
  in album: Brasil Trombone
    type: MusicAlbum
    date published: 1974-01-01
  genre: samba
  isrc code: BREMI0300480
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T21:43:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc809ae405b09e2659f2755d9f8e1a8272c3549726903291504f631f668b23e2a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Paraquedista - 2003 Digital Remaster
track: Violão Vadio - 2003 Digital Remaster
track: Baltazar
track: Po Ro Ró Po Ro Ró - 2003 Digital Remaster
track: Folhas Secas - 2003 Digital Remaster
track: O Trombonista Romântico - 2003 Digital Remaster

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI0300480

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 → 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 0xc809ae405b09e2659f2755d9f8e1a8272c3549726903291504f631f668b23e2a. 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/BREMI0300480.
date published: 2026-07-08T03:53:27Z

Paraquedista - 2003 Digital Remaster
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 123.958
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.757
additional property: Energy
  type: PropertyValue
  value: 0.597
additional property: Speechiness
  type: PropertyValue
  value: 0.048
additional property: Acousticness
  type: PropertyValue
  value: 0.639
additional property: Instrumentalness
  type: PropertyValue
  value: 0.675
additional property: Liveness
  type: PropertyValue
  value: 0.096
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.976
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.981
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Violão Vadio - 2003 Digital Remaster
type: MusicRecording
duration: PT3M6S
duration ms: 186040
explicit: false
by artist: Raul De Barros
in album: Brasil Trombone
  type: MusicAlbum
  date published: 1974-01-01
genre: samba
isrc code: BREMI0300481
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:43:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4652decee2d4f51f2ee99f0389bcb5af7c49337fb31d90d4ca3a781b3eee7daf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI0300481
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 → 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 0x4652decee2d4f51f2ee99f0389bcb5af7c49337fb31d90d4ca3a781b3eee7daf. 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/BREMI0300481.
  date published: 2026-07-08T03:20:19Z
audio: Violão Vadio - 2003 Digital Remaster
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.206
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.495
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.957
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.199
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.771
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Baltazar
type: MusicRecording
duration: PT2M7S
duration ms: 127866
explicit: false
by artist: Raul De Barros
in album: Brasil Trombone
  type: MusicAlbum
  date published: 1974-01-01
genre: samba
isrc code: BREMI0300484
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:34:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0bc6c89756257c69d66bd667dd869acfbfe4d66bc2591e32389590e86f366be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI0300484
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 → 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 0xe0bc6c89756257c69d66bd667dd869acfbfe4d66bc2591e32389590e86f366be. 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/BREMI0300484.
  date published: 2026-07-08T08:56:20Z
audio: Baltazar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.501
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.768
  additional property: Energy
    type: PropertyValue
    value: 0.698
  additional property: Speechiness
    type: PropertyValue
    value: 0.092
  additional property: Acousticness
    type: PropertyValue
    value: 0.236
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.058
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.967
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.03
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Po Ro Ró Po Ro Ró - 2003 Digital Remaster
type: MusicRecording
duration: PT2M32S
duration ms: 152173
explicit: false
by artist: Raul De Barros
in album: Brasil Trombone
  type: MusicAlbum
  date published: 1974-01-01
genre: samba
isrc code: BREMI0300486
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:30:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa918c380a089b066ab62c972b2a5ee0fc02bb979980ba6bcc3dbc4b39498c594
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI0300486
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 → 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 0xa918c380a089b066ab62c972b2a5ee0fc02bb979980ba6bcc3dbc4b39498c594. 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/BREMI0300486.
  date published: 2026-07-08T08:56:20Z
audio: Po Ro Ró Po Ro Ró - 2003 Digital Remaster
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.31
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.716
  additional property: Energy
    type: PropertyValue
    value: 0.866
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.429
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.124
  additional property: Liveness
    type: PropertyValue
    value: 0.341
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.974
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.481
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Folhas Secas - 2003 Digital Remaster
type: MusicRecording
duration: PT2M38S
duration ms: 158560
explicit: false
by artist: Raul De Barros
in album: Brasil Trombone
  type: MusicAlbum
  date published: 1974-01-01
genre: samba
isrc code: BREMI0300487
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:52:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c28e562b31eda0236e372fdfbe577334b1c49dbc3932e55f6aa95b44d5d8fcd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI0300487
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 → 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 0x2c28e562b31eda0236e372fdfbe577334b1c49dbc3932e55f6aa95b44d5d8fcd. 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/BREMI0300487.
  date published: 2026-07-08T08:56:20Z
audio: Folhas Secas - 2003 Digital Remaster
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.643
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.48
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.063
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.071
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.925
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.753
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

O Trombonista Romântico - 2003 Digital Remaster
type: MusicRecording
duration: PT2M34S
duration ms: 154733
explicit: false
by artist: Raul De Barros
in album: Brasil Trombone
  type: MusicAlbum
  date published: 1974-01-01
genre: samba
isrc code: BREMI0300488
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:50:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec8fcee506830459300511af86946454d3b11dcd45d2bc0ea5a3724650a6abf1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI0300488
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 → 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 0xec8fcee506830459300511af86946454d3b11dcd45d2bc0ea5a3724650a6abf1. 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/BREMI0300488.
  date published: 2026-07-08T08:56:20Z
audio: O Trombonista Romântico - 2003 Digital Remaster
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.009
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.672
  additional property: Energy
    type: PropertyValue
    value: 0.445
  additional property: Speechiness
    type: PropertyValue
    value: 0.151
  additional property: Acousticness
    type: PropertyValue
    value: 0.676
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.844
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.833
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.519
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Raul De Barros Toca Para Dançar
type: MusicAlbum
date published: 1956-01-05
track: Gadu Namorando
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158470
  explicit: false
  by artist: Raul De Barros
  in album: Raul De Barros Toca Para Dançar
    type: MusicAlbum
    date published: 1956-01-05
  genre: samba
  isrc code: BREMI5600204
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:08:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd30eb0eaf1ff83670669e710a6020c53806b53bddb878be58f61d88156458c1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI5600204
  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 → 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 0xd30eb0eaf1ff83670669e710a6020c53806b53bddb878be58f61d88156458c1c. 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/BREMI5600204.
    date published: 2026-07-08T03:53:27Z
  audio: Gadu Namorando
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.016
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.702
    additional property: Energy
      type: PropertyValue
      value: 0.619
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.94
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.893
    additional property: Liveness
      type: PropertyValue
      value: 0.362
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.986
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.716
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Samba
type: MusicAlbum
date published: 2005-01-01
track: E Preciso Muito Amor
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182200
  explicit: false
  by artist: Ze Carlos
  in album: Samba
    type: MusicAlbum
    date published: 2005-01-01
  isrc code: BRCID8000035
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T21:58:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaf171f327951721cd9a68403321e24dd44516e1468014044114e4dab8c730a6c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID8000035
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  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 0xaf171f327951721cd9a68403321e24dd44516e1468014044114e4dab8c730a6c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRCID8000035.
    date published: 2026-06-13T15:41:10Z
  audio: E Preciso Muito Amor
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.912
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.548
    additional property: Energy
      type: PropertyValue
      value: 0.846
    additional property: Speechiness
      type: PropertyValue
      value: 0.069
    additional property: Acousticness
      type: PropertyValue
      value: 0.267
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.221
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.825
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.716
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Samba! Samba!
type: MusicAlbum
date published: 2010-02-01
track: Se Leonardo da vinte
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300893
  explicit: false
  by artist: Bezerra Da Silva
  in album: Samba! Samba!
    type: MusicAlbum
    date published: 2010-02-01
  isrc code: BRCID0300029
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T14:12:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x11ee192ade2fc6dcfdac507294f0d8686a084b7ef11801026589be875bcf4a2f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID0300029
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  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 0x11ee192ade2fc6dcfdac507294f0d8686a084b7ef11801026589be875bcf4a2f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRCID0300029.
    date published: 2026-06-13T13:32:09Z
  audio: Se Leonardo da vinte
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.273
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.525
    additional property: Energy
      type: PropertyValue
      value: 0.729
    additional property: Speechiness
      type: PropertyValue
      value: 0.16
    additional property: Acousticness
      type: PropertyValue
      value: 0.577
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.828
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.789
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.005
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Sambistas Nota 10, Vol. 1
type: MusicAlbum
date published: 2018-10-22
track: Malandragem Dá um Tempo (Ao Vivo)
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227276
  explicit: false
  by artist: Bezerra Da Silva
  in album: Sambistas Nota 10, Vol. 1
    type: MusicAlbum
    date published: 2018-10-22
  isrc code: BRCID9900307
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T05:00:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe6c1bb8fc473c6154bed76fc0d7037d1c2798f6d2c6e6b6ad51e837f9ad00410
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956351
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID9900307
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  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 0xe6c1bb8fc473c6154bed76fc0d7037d1c2798f6d2c6e6b6ad51e837f9ad00410. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/BRCID9900307.
    date published: 2026-07-02T11:38:34Z
  audio: Malandragem Dá um Tempo (Ao Vivo)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.409
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.647
    additional property: Energy
      type: PropertyValue
      value: 0.797
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.115
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.802
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.457
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.675
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Som Sagrado
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176193
  explicit: false
  by artist: Wilson Das Neves
  by artist: Paulo Cesar Pinheiro
  in album: Sambistas Nota 10, Vol. 1
    type: MusicAlbum
    date published: 2018-10-22
  genre: mpb
  genre: pagode
  genre: samba
  isrc code: BRCID9600127
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T05:32:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb045b2833c7d1710a2b41a2b085845e964b413094cc1f1e279600ff9287bc3b9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID9600127
  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 → 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 0xb045b2833c7d1710a2b41a2b085845e964b413094cc1f1e279600ff9287bc3b9. 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/BRCID9600127.
    date published: 2026-07-08T08:56:20Z
  audio: Som Sagrado
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 157.248
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.719
    additional property: Energy
      type: PropertyValue
      value: 0.477
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.746
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.827
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.027
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ao Chico Com Carinho
  type: MusicRecording
  duration: PT5M18S
  duration ms: 318113
  explicit: false
  by artist: Beth Carvalho
  by artist: Paulinho Tapajos
  by artist: Amigos da Mangueira
  in album: Sambistas Nota 10, Vol. 1
    type: MusicAlbum
    date published: 2018-10-22
  genre: mpb
  genre: pagode
  genre: samba
  isrc code: BRCID9800079
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T07:58:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6073a0028de7ea2bfcb96bd1332a356d0ee6c7366097305643cc8f867e438559
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Ao Chico Com Carinho

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957046

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957046

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID9800079

OTSTimestamp
type: PropertyValue
value: 2026-07-07T14:04:01Z

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 0x6073a0028de7ea2bfcb96bd1332a356d0ee6c7366097305643cc8f867e438559. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/BRCID9800079.
date published: 2026-07-07T14:04:01Z

Ao Chico Com Carinho
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 139.593
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.572
additional property: Energy
  type: PropertyValue
  value: 0.727
additional property: Speechiness
  type: PropertyValue
  value: 0.158
additional property: Acousticness
  type: PropertyValue
  value: 0.126
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.239
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.523
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.27
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

Para Sempre - Choros
type: MusicAlbum
date published: 2001-01-01
track: Saxofone, Porque Choras?
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202040
  explicit: false
  by artist: Abel Ferreira
  in album: Para Sempre - Choros
    type: MusicAlbum
    date published: 2001-01-01
  isrc code: BREMI6200001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T04:01:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5cad230fef416419c7e423e0438d1dcc67d0061c2efe656a6bad7200427059cc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI6200001
  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 → 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 0x5cad230fef416419c7e423e0438d1dcc67d0061c2efe656a6bad7200427059cc. 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/BREMI6200001.
    date published: 2026-07-08T03:22:41Z
  audio: Saxofone, Porque Choras?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.473
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.519
    additional property: Energy
      type: PropertyValue
      value: 0.432
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.841
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.062
    additional property: Liveness
      type: PropertyValue
      value: 0.158
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.81
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.9
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Na Gloria
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142506
  explicit: false
  by artist: Raul De Barros
  in album: Para Sempre - Choros
    type: MusicAlbum
    date published: 2001-01-01
  genre: samba
  isrc code: BREMI6500142
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T06:46:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x964f3960595427268808482e85a3d28596f41dab151fe0da7ffabd32d7ff17e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BREMI6500142
  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 → 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 0x964f3960595427268808482e85a3d28596f41dab151fe0da7ffabd32d7ff17e9. 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/BREMI6500142.
    date published: 2026-07-08T03:20:19Z
  audio: Na Gloria
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.566
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.649
    additional property: Energy
      type: PropertyValue
      value: 0.68
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.593
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.318
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.969
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.38
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Sambistas Nota 10, Vol. 3
type: MusicAlbum
date published: 2018-01-23
track: Dez Mandamentos
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212880
  explicit: false
  by artist: Zeca Pagodinho
  by artist: Exporta Samba
  in album: Sambistas Nota 10, Vol. 3
    type: MusicAlbum
    date published: 2018-01-23
  genre: pagode
  genre: samba
  isrc code: BRCID9300076
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T21:14:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc97f6666e0b22b0ac2fc02cabcc14aa1167f1aa026956dde696d852169783d36
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID9300076
  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 → 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 0xc97f6666e0b22b0ac2fc02cabcc14aa1167f1aa026956dde696d852169783d36. 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/BRCID9300076.
    date published: 2026-07-08T03:20:19Z
  audio: Dez Mandamentos
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.717
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.613
    additional property: Energy
      type: PropertyValue
      value: 0.713
    additional property: Speechiness
      type: PropertyValue
      value: 0.089
    additional property: Acousticness
      type: PropertyValue
      value: 0.633
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.293
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.681
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.515
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Armas Proibidas
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150651
  explicit: false
  by artist: Nelson Cavaquinho
  in album: Sambistas Nota 10, Vol. 3
    type: MusicAlbum
    date published: 2018-01-23
  isrc code: BRCID0000217
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T02:49:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2b2a96f93035e6b833e3dbce8995ca5bf8a5866201ad0aba6439ac7e8a45f86c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID0000217
  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 → 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 0x2b2a96f93035e6b833e3dbce8995ca5bf8a5866201ad0aba6439ac7e8a45f86c. 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/BRCID0000217.
    date published: 2026-07-08T03:53:27Z
  audio: Armas Proibidas
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.386
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.629
    additional property: Energy
      type: PropertyValue
      value: 0.387
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.696
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.207
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.723
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.468
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Opinião
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153158
  explicit: false
  by artist: Zé Keti
  in album: Sambistas Nota 10, Vol. 3
    type: MusicAlbum
    date published: 2018-01-23
  genre: samba
  genre: bossa-nova
  genre: velha-guarda
  isrc code: BRCID7300009
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T04:21:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xabf296767173440afa266f37fc07abbb6bd7cc60cf58917cddd333d4d1b6a3c1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Opinião

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID7300009

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 0xabf296767173440afa266f37fc07abbb6bd7cc60cf58917cddd333d4d1b6a3c1. 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/BRCID7300009.
date published: 2026-07-08T03:20:19Z

Opinião
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 156.143
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.661
additional property: Energy
  type: PropertyValue
  value: 0.533
additional property: Speechiness
  type: PropertyValue
  value: 0.147
additional property: Acousticness
  type: PropertyValue
  value: 0.753
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.275
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.722
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.056
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Choros e Chorinhos
type: MusicAlbum
date published: 1977-04-05

Encontro Dos Mestres do Choro
type: MusicAlbum
date published: 2007-07-24
track: Improviso Sobre o Choro Brasileiro - Ao Vivo
  type: MusicRecording
  duration: PT9M42S
  duration ms: 582733
  explicit: false
  by artist: Altamiro Carrilho
  by artist: Abel Ferreira
  by artist: Carlos Poyares
  by artist: Raul De Barros
  by artist: Waldyr Azevedo
  by artist: Zimbo Trio
  by artist: Hamilton Godoy
  by artist: Rubens Barsotti
  by artist: Pernambuco Do Pandeiro
  by artist: Voltaire
  by artist: Valmar
  by artist: Sá Neto
  by artist: Roberto Barbosa
  by artist: Ivanildo Marques
  by artist: Jaime Florêncio
  in album: Encontro Dos Mestres do Choro
    type: MusicAlbum
    date published: 2007-07-24
  isrc code: BRPUI0600220
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T22:19:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xff3a0fbd7c21906f656e9776ec4b914d6d134574f105382dcf87eb7d26300e0c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRPUI0600220
  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 → 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 0xff3a0fbd7c21906f656e9776ec4b914d6d134574f105382dcf87eb7d26300e0c. 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/BRPUI0600220.
    date published: 2026-07-08T03:22:41Z
  audio: Improviso Sobre o Choro Brasileiro - Ao Vivo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.521
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.339
    additional property: Energy
      type: PropertyValue
      value: 0.872
    additional property: Speechiness
      type: PropertyValue
      value: 0.071
    additional property: Acousticness
      type: PropertyValue
      value: 0.169
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.818
    additional property: Liveness
      type: PropertyValue
      value: 0.888
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.58
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.686
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

The Music of Brazil / A Trombone Virtuoso / Recordings 1957
type: MusicAlbum
date published: 2009-10-06

Corcovado
type: MusicAlbum
date published: 2018-10-22

Samba, Mania Nacional, Vol. 1
type: MusicAlbum
date published: 2018-01-22

Como Vai Você?
type: MusicAlbum
date published: 2000-08-01

Flor Amorosa
type: MusicAlbum
date published: 2017-11-14

Na Mini Onda
type: MusicAlbum
date published: 1967-06-30

Mulata, Mulata: Brazilian Old time Hits
type: MusicAlbum
date published: 2019-05-27

Mano a Mano: Brazilian Old time Hits
type: MusicAlbum
date published: 2019-05-27

Hot Latino Nights, Vol. 3 (Remastered 2023)
type: MusicAlbum
date published: 2023-03-31

Na Glória
type: MusicRecording
duration: PT2M11S
duration ms: 131933
explicit: false
by artist: Raul De Barros
in album: Clube de Gafieira
  type: MusicAlbum
  date published: 2013-04-24
genre: samba
isrc code: BRCID8300008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:02:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5510092b429b709b9832acc7ede179b4182a0ad2145a6f13ccf1ab9d35794d31
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRCID8300008
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 → 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 0x5510092b429b709b9832acc7ede179b4182a0ad2145a6f13ccf1ab9d35794d31. 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/BRCID8300008.
  date published: 2026-07-08T03:53:27Z
audio: Na Glória
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.812
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.583
  additional property: Energy
    type: PropertyValue
    value: 0.723
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.36
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.204
  additional property: Liveness
    type: PropertyValue
    value: 0.266
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.92
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.409
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major