Rubel
type: MusicGroup
genre: mpb
genre: nova mpb
popularity: 59
followers: 553674
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63c1630a63355339a61ae74729a3a1c6b7b8aa791f33975c37fabb2bb029f195
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ce25cc2-7e5c-4036-a1bc-2182df5f9c22.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ce25cc2-7e5c-4036-a1bc-2182df5f9c22.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1ce25cc2-7e5c-4036-a1bc-2182df5f9c22
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c1630a63355339a61ae74729a3a1c6b7b8aa791f33975c37fabb2bb029f195. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ce25cc2-7e5c-4036-a1bc-2182df5f9c22.json and https://artists.proofprofile.net/proofs/artist/1ce25cc2-7e5c-4036-a1bc-2182df5f9c22.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Aposta
  type: MusicAlbum
  date published: 2021-12-17
  track: Aposta
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202386
    explicit: false
    by artist: Mahmundi
    by artist: Rubel
    in album: Aposta
      type: MusicAlbum
      date published: 2021-12-17
    genre: pop-nacional
    genre: afrofuturismo-brasileiro
    genre: pop-lgbtq-brasileira
    genre: nova-mpb
    genre: nova-musica-carioca
    isrc code: BRUM72102228
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T03:25:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc41351e6b0475e38a6f3dfadbde6dd2ee7b5093cccdae44ad4bd56ba329af77d
    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/BRUM72102228
    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 0xc41351e6b0475e38a6f3dfadbde6dd2ee7b5093cccdae44ad4bd56ba329af77d. 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/BRUM72102228.
      date published: 2026-06-13T15:41:10Z
    audio: Aposta
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.954
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.66
      additional property: Energy
        type: PropertyValue
        value: 0.449
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.872
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.175
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.632
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.093
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Cariocas / Por Que Você Faz Cinema?
  type: MusicAlbum
  date published: 2018-12-21
  track: Cariocas
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223539
    explicit: false
    by artist: Mahmundi
    by artist: Adriana Calcanhotto
    in album: Cariocas / Por Que Você Faz Cinema?
      type: MusicAlbum
      date published: 2018-12-21
    popularity: 26
    genre: pop-nacional
    genre: afrofuturismo-brasileiro
    genre: pop-lgbtq-brasileira
    genre: nova-mpb
    genre: nova-musica-carioca
    isrc code: BXXIP1800003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-08T17:42:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x038c759b52ae469f1f073c997f42cb7c8f51db717660b5e60c24563b3c5eba54
    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/BXXIP1800003
    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 0x038c759b52ae469f1f073c997f42cb7c8f51db717660b5e60c24563b3c5eba54. 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/BXXIP1800003.
      date published: 2026-06-13T15:41:10Z
    audio: Cariocas
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.064
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.66
      additional property: Energy
        type: PropertyValue
        value: 0.67
      additional property: Speechiness
        type: PropertyValue
        value: 0.051
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Por Que Você Faz Cinema?
album: Mentiras (Ao Vivo)
album: Você Me Pergunta
album: AS PALAVRAS, VOL. 1 & 2
album: Casas
album: Pearl
album: Erasmo Esteves (Tijuca Maluca)
album: PUT@RIA!
album: Criançada
album: ponta-cabeça
album: Se Não Fosse por Ontem
album: No Teu Pescoço
album: O HOMEM DA INJEÇÃO II
album: Coração Vagabundo
album: Bolso de Fora (Rubel Canta Adoniran Barbosa)
album: Baby (Ao Vivo)
album: Casas (Ao Vivo)
album: Partilhar
album: Ontem Ao Luar
album: Medo Bobo
album: Ben: Projeto 2por1

Acousticness
type: PropertyValue
value: 0.18

Instrumentalness
type: PropertyValue
value: 0.04

Liveness
type: PropertyValue
value: 0.072

Valence (Positivity)
type: PropertyValue
value: 0.833

Loudness (dB)
type: PropertyValue
value: -12.474

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

Por Que Você Faz Cinema?
type: MusicRecording
duration: PT3M12S
duration ms: 192542
explicit: false
by artist: Rubel
by artist: Adriana Calcanhotto
in album: Cariocas / Por Que Você Faz Cinema?
  type: MusicAlbum
  date published: 2018-12-21
popularity: 9
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXXIP1800004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T07:44:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2641d53cbde7ce0fd545b5d4dce78f3bcd0c6986809d9bf582c0d6c617d6561
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/BXXIP1800004
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 0xf2641d53cbde7ce0fd545b5d4dce78f3bcd0c6986809d9bf582c0d6c617d6561. 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/BXXIP1800004.
  date published: 2026-07-02T05:09:12Z
audio: Por Que Você Faz Cinema?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.547
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.77
  additional property: Energy
    type: PropertyValue
    value: 0.471
  additional property: Speechiness
    type: PropertyValue
    value: 0.134
  additional property: Acousticness
    type: PropertyValue
    value: 0.113
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.191
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.496
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.236
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mentiras (Ao Vivo)
type: MusicAlbum
date published: 2020-10-23
track: Mentiras - Ao Vivo
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178892
  explicit: false
  by artist: Rubel
  by artist: Adriana Calcanhotto
  in album: Mentiras (Ao Vivo)
    type: MusicAlbum
    date published: 2020-10-23
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BRINH2000038
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:28:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4093dc368519ba9e7c41b08d350995faa550408b92a9c70757fde78f1e30081e
  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/BRINH2000038
  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 0x4093dc368519ba9e7c41b08d350995faa550408b92a9c70757fde78f1e30081e. 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/BRINH2000038.
    date published: 2026-06-13T15:41:10Z
  audio: Mentiras - Ao Vivo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.845
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.429
    additional property: Energy
      type: PropertyValue
      value: 0.172
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.848
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.979
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.24
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.471
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Você Me Pergunta
type: MusicAlbum
date published: 2020-02-07
track: Você Me Pergunta
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234938
  explicit: false
  by artist: Rubel
  by artist: Adriana Calcanhotto
  in album: Você Me Pergunta
    type: MusicAlbum
    date published: 2020-02-07
  popularity: 34
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BX18D2000001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T03:34:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd4f6738a58a4d4f70a80777eef18909f95f474aa3624fbbdb30de020df3063af
  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/BX18D2000001
  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 0xd4f6738a58a4d4f70a80777eef18909f95f474aa3624fbbdb30de020df3063af. 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/BX18D2000001.
    date published: 2026-06-13T15:41:10Z
  audio: Você Me Pergunta
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.187
    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: 0.673
    additional property: Energy
      type: PropertyValue
      value: 0.127
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.885
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.122
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.271
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.739
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

AS PALAVRAS, VOL. 1 & 2
type: MusicAlbum
date published: 2023-03-03
track: Forró Violento - Instrumental
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116924
  explicit: false
  by artist: Rubel
  in album: AS PALAVRAS, VOL. 1 & 2
    type: MusicAlbum
    date published: 2023-03-03
  popularity: 26
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS2300001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T06:12:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x44b80b98dc6336e071959981dde1308b5189d77b7551b4423c8180e8ea74830b
  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/BXRUS2300001
  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 0x44b80b98dc6336e071959981dde1308b5189d77b7551b4423c8180e8ea74830b. 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/BXRUS2300001.
    date published: 2026-06-13T13:32:09Z
  audio: Forró Violento - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.851
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.611
    additional property: Energy
      type: PropertyValue
      value: 0.424
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.771
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.97
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.536
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.878
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Torto Arado
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251811
  explicit: false
  by artist: Rubel
  by artist: Liniker
  by artist: Luedji Luna
  in album: AS PALAVRAS, VOL. 1 & 2
    type: MusicAlbum
    date published: 2023-03-03
  popularity: 44
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS2300011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T16:34:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x67aaa59bdeced4d004aa93b2786829c496788d04626ce11f11ad145c3173d931
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300011
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  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 0x67aaa59bdeced4d004aa93b2786829c496788d04626ce11f11ad145c3173d931. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXRUS2300011.
    date published: 2026-06-13T12:47:07Z
  audio: Torto Arado
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.898
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.535
    additional property: Energy
      type: PropertyValue
      value: 0.472
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.951
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.211
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.428
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.932
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Grão de Areia
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223765
  explicit: false
  by artist: Rubel
  by artist: Xande de Pilares
  in album: AS PALAVRAS, VOL. 1 & 2
    type: MusicAlbum
    date published: 2023-03-03
  popularity: 63
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS2300002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Grão de Areia
track: Lua de Garrafa
track: Não Vou Reclamar de Deus
track: Na Mão do Palhaço
track: Toda Beleza
track: Doutor Albieri
track: PUT@RIA!
track: Samba de Amanda e Té
track: Rubelía
track: Amor de Mãe
track: Posso Dizer
track: Vinheta As Palavras II
track: Vinheta As Palavras I
track: Assum Preto
track: As Palavras
track: Forró no Escuro
track: Forró Violento
track: Toda Beleza (Pelos Loirinhos)

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-01T14:16:49+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb306736960347e65ec5c51b264ac78dd94f05a60b00f9fca1627d58a4e6379be

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953513

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953513

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300002

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:47:07Z

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 0xb306736960347e65ec5c51b264ac78dd94f05a60b00f9fca1627d58a4e6379be. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXRUS2300002.
date published: 2026-06-13T12:47:07Z

Grão de Areia
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 134.122
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.738
additional property: Energy
  type: PropertyValue
  value: 0.583
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.805
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.283
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.54
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.251
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

Lua de Garrafa
type: MusicRecording
duration: PT2M34S
duration ms: 154208
explicit: false
by artist: Rubel
by artist: Milton Nascimento
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 28
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:30:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08102179654a0f89a162e5e5e14fa548857ffbc45b0f16cc14a27813eeda7163
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300012
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x08102179654a0f89a162e5e5e14fa548857ffbc45b0f16cc14a27813eeda7163. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS2300012.
  date published: 2026-06-13T17:25:41Z
audio: Lua de Garrafa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.496
  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: 0.457
  additional property: Energy
    type: PropertyValue
    value: 0.314
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.867
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.464
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.317
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.744
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Não Vou Reclamar de Deus
type: MusicRecording
duration: PT3M13S
duration ms: 193670
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 33
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:16:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60945d8b082a7fc141c3b9d851db3707e625f282c23230f7e0fda2ec7a54e4e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300003
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x60945d8b082a7fc141c3b9d851db3707e625f282c23230f7e0fda2ec7a54e4e4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS2300003.
  date published: 2026-06-13T17:25:41Z
audio: Não Vou Reclamar de Deus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.058
  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: 0.706
  additional property: Energy
    type: PropertyValue
    value: 0.669
  additional property: Speechiness
    type: PropertyValue
    value: 0.153
  additional property: Acousticness
    type: PropertyValue
    value: 0.368
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.103
  additional property: Liveness
    type: PropertyValue
    value: 0.282
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.679
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.574
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Na Mão do Palhaço
type: MusicRecording
duration: PT3M1S
duration ms: 181711
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 25
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:09:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5706bebbbd9fda650677242a65c79422d91e168b0068a1d26eeca09aee8286de
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/BXRUS2300013
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 0x5706bebbbd9fda650677242a65c79422d91e168b0068a1d26eeca09aee8286de. 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/BXRUS2300013.
  date published: 2026-06-13T13:32:09Z
audio: Na Mão do Palhaço
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.519
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.608
  additional property: Energy
    type: PropertyValue
    value: 0.457
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.879
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.438
  additional property: Liveness
    type: PropertyValue
    value: 0.167
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.521
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.822
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Toda Beleza
type: MusicRecording
duration: PT3M6S
duration ms: 186382
explicit: false
by artist: Rubel
by artist: Bala Desejo
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 43
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:13:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf00b4a6745154c5a3b264d536c0189f373b4b56dd5a592d3cf31b19355bf8793
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0xf00b4a6745154c5a3b264d536c0189f373b4b56dd5a592d3cf31b19355bf8793. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXRUS2300004.
  date published: 2026-06-13T12:47:07Z
audio: Toda Beleza
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.902
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.435
  additional property: Energy
    type: PropertyValue
    value: 0.33
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.844
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.15
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.659
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.662
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Doutor Albieri
type: MusicRecording
duration: PT2M21S
duration ms: 141239
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 23
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T05:00:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a113e5f34f96f22d795e4908d96ffa4cb7d6285cd3740de546986a9b8135f0c
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/BXRUS2300014
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 0x1a113e5f34f96f22d795e4908d96ffa4cb7d6285cd3740de546986a9b8135f0c. 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/BXRUS2300014.
  date published: 2026-06-13T13:32:09Z
audio: Doutor Albieri
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.207
  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: 0.639
  additional property: Energy
    type: PropertyValue
    value: 0.388
  additional property: Speechiness
    type: PropertyValue
    value: 0.18
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.365
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.608
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.966
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

PUT@RIA!
type: MusicRecording
duration: PT3M12S
duration ms: 192721
explicit: false
by artist: Rubel
by artist: BK
by artist: Dj Gabriel do Borel
by artist: Mc Carol
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 45
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:33:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7bad55168fe5dd632663eaae8ad2bc760f6f4f9e8488088b3bb2759b75e6b9e8
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/BXRUS2300005
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 0x7bad55168fe5dd632663eaae8ad2bc760f6f4f9e8488088b3bb2759b75e6b9e8. 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/BXRUS2300005.
  date published: 2026-06-13T15:41:10Z
audio: PUT@RIA!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.991
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.73
  additional property: Energy
    type: PropertyValue
    value: 0.618
  additional property: Speechiness
    type: PropertyValue
    value: 0.209
  additional property: Acousticness
    type: PropertyValue
    value: 0.359
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.613
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.634
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Samba de Amanda e Té
type: MusicRecording
duration: PT3M16S
duration ms: 196808
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 26
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T01:07:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbc3cf26b3dbcfa4098a61af7a2faacc95de435845be86b2565f33a9120bc8b9
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/BXRUS2300015
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 0xbbc3cf26b3dbcfa4098a61af7a2faacc95de435845be86b2565f33a9120bc8b9. 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/BXRUS2300015.
  date published: 2026-06-13T15:41:10Z
audio: Samba de Amanda e Té
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.11
  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: 0.671
  additional property: Energy
    type: PropertyValue
    value: 0.572
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.114
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.565
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.258
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rubelía
type: MusicRecording
duration: PT2M8S
duration ms: 128802
explicit: false
by artist: Rubel
by artist: Deekapz
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 27
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:11:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86d57e5a44df1b3333d3b994c78c24d5ad55562152c6cd98c8c5bc6fccd7390d
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/BXRUS2300006
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 0x86d57e5a44df1b3333d3b994c78c24d5ad55562152c6cd98c8c5bc6fccd7390d. 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/BXRUS2300006.
  date published: 2026-06-13T13:32:09Z
audio: Rubelía
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.112
  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: 0.786
  additional property: Energy
    type: PropertyValue
    value: 0.485
  additional property: Speechiness
    type: PropertyValue
    value: 0.236
  additional property: Acousticness
    type: PropertyValue
    value: 0.003
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.703
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.399
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.339
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Amor de Mãe
type: MusicRecording
duration: PT4M7S
duration ms: 247978
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 24
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:38:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b85977a8f4d17116fde6627ed44bbde7f0839ce5fed7065b7aacd3336916e84
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/BXRUS2300016
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 0x9b85977a8f4d17116fde6627ed44bbde7f0839ce5fed7065b7aacd3336916e84. 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/BXRUS2300016.
  date published: 2026-06-13T15:41:10Z
audio: Amor de Mãe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.522
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.716
  additional property: Energy
    type: PropertyValue
    value: 0.31
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.491
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.809
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Posso Dizer
type: MusicRecording
duration: PT3M54S
duration ms: 234712
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 35
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T08:22:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8bfa111d8c18ea353a64ea2a6f63bac7943f60642207b9dd382234c610d9de18
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x8bfa111d8c18ea353a64ea2a6f63bac7943f60642207b9dd382234c610d9de18. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS2300007.
  date published: 2026-06-13T17:25:41Z
audio: Posso Dizer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.944
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.528
  additional property: Energy
    type: PropertyValue
    value: 0.567
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.837
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.097
  additional property: Liveness
    type: PropertyValue
    value: 0.197
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.746
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.202
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vinheta As Palavras II
type: MusicRecording
duration: PT0M51S
duration ms: 51648
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 20
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T13:22:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb011a63ada55f96c8630635b09589ad809f72adc234b4a9447ba295d240b421
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300017
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0xeb011a63ada55f96c8630635b09589ad809f72adc234b4a9447ba295d240b421. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BXRUS2300017.
  date published: 2026-07-02T03:30:09Z
audio: Vinheta As Palavras II
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.981
  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: 0.601
  additional property: Energy
    type: PropertyValue
    value: 0.802
  additional property: Speechiness
    type: PropertyValue
    value: 0.312
  additional property: Acousticness
    type: PropertyValue
    value: 0.894
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.465
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.894
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.371
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vinheta As Palavras I
type: MusicRecording
duration: PT1M9S
duration ms: 69677
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 27
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:11:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38527a275b9328eb81d03ca62365a50d41e4220e8cc3dbfd9d678185e2501c16
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/BXRUS2300008
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 0x38527a275b9328eb81d03ca62365a50d41e4220e8cc3dbfd9d678185e2501c16. 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/BXRUS2300008.
  date published: 2026-06-13T13:32:09Z
audio: Vinheta As Palavras I
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.786
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.665
  additional property: Energy
    type: PropertyValue
    value: 0.681
  additional property: Speechiness
    type: PropertyValue
    value: 0.185
  additional property: Acousticness
    type: PropertyValue
    value: 0.786
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.21
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.743
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.455
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Assum Preto
type: MusicRecording
duration: PT2M39S
duration ms: 159018
explicit: false
by artist: Rubel
by artist: Dora Morelenbaum
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 28
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:54:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x620750b09a12988eb12b6e93d6666b2adfff43ac2147c792993b054cbc4152f8
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/BXRUS2300018
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 0x620750b09a12988eb12b6e93d6666b2adfff43ac2147c792993b054cbc4152f8. 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/BXRUS2300018.
  date published: 2026-06-13T13:32:09Z
audio: Assum Preto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.51
  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: 0.537
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.172
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.714
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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As Palavras
type: MusicRecording
duration: PT3M19S
duration ms: 199049
explicit: false
by artist: Rubel
by artist: Tim Bernardes
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 30
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:31:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x54b86110b03649725f230a98ff861cf6661e7efebb8b09a55040fc6115bd7165
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x54b86110b03649725f230a98ff861cf6661e7efebb8b09a55040fc6115bd7165. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS2300010.
  date published: 2026-06-13T17:25:41Z
audio: As Palavras
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.566
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.633
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.194
  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.35
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.453
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.898
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Forró no Escuro
type: MusicRecording
duration: PT1M45S
duration ms: 105818
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 28
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:29:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x232bd67ca765d0003c2c9e0131b4735511c627138a1c915218f9a8ad6ea27767
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x232bd67ca765d0003c2c9e0131b4735511c627138a1c915218f9a8ad6ea27767. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS2300019.
  date published: 2026-06-13T17:25:41Z
audio: Forró no Escuro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.017
  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: 0.442
  additional property: Energy
    type: PropertyValue
    value: 0.419
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.858
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.162
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.055
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Forró Violento
type: MusicRecording
duration: PT1M57S
duration ms: 117809
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 29
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:43:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b2a46fc5bb29b18be56e2edc42520faf87d0c870bae962bb9b8da8b4df7563a
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/BXRUS2300009
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 0x0b2a46fc5bb29b18be56e2edc42520faf87d0c870bae962bb9b8da8b4df7563a. 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/BXRUS2300009.
  date published: 2026-06-13T13:32:09Z
audio: Forró Violento
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.497
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.384
  additional property: Energy
    type: PropertyValue
    value: 0.453
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.905
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.777
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.637
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.666
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Toda Beleza (Pelos Loirinhos)
type: MusicRecording
duration: PT3M25S
duration ms: 205359
explicit: false
by artist: Rubel
in album: AS PALAVRAS, VOL. 1 & 2
  type: MusicAlbum
  date published: 2023-03-03
popularity: 26
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS2300020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:03:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd280a672f98260dad505ebb7cfa88e2606cf489aaaa83cc376cd7bffe8ef2f45
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS2300020
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0xd280a672f98260dad505ebb7cfa88e2606cf489aaaa83cc376cd7bffe8ef2f45. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS2300020.
  date published: 2026-06-13T17:25:41Z
audio: Toda Beleza (Pelos Loirinhos)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.502
  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: 0.511
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.823
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.269
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.086
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Casas
type: MusicAlbum
date published: 2018-03-02
track: Intro
  type: MusicRecording
  duration: PT0M52S
  duration ms: 52693
  explicit: false
  by artist: Rubel
  in album: Casas
    type: MusicAlbum
    date published: 2018-03-02
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BX18D1800001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T09:49:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe6bd1069a322f2d46f261a32dc019022ea2a748ec08f01bbe28af5b8decaaedb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  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 0xe6bd1069a322f2d46f261a32dc019022ea2a748ec08f01bbe28af5b8decaaedb. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BX18D1800001.
    date published: 2026-06-13T17:25:41Z
  audio: Intro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 167.127
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.33
    additional property: Energy
      type: PropertyValue
      value: 0.02
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.968
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.785
    additional property: Liveness
      type: PropertyValue
      value: 0.316
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.457
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.511
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Colégio
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225466
  explicit: false
  by artist: Rubel
  in album: Casas
    type: MusicAlbum
    date published: 2018-03-02
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BX18D1800002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T09:47:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd3f51173db6865469d00c3248163a8a0cd6114e51bed76362a52b058102f9840
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  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 0xd3f51173db6865469d00c3248163a8a0cd6114e51bed76362a52b058102f9840. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BX18D1800002.
    date published: 2026-06-13T17:25:41Z
  audio: Colégio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.3
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.767
    additional property: Energy
      type: PropertyValue
      value: 0.413
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.606
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.761
    additional property: Liveness
      type: PropertyValue
      value: 0.161
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.472
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.448
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Cachorro
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224439
  explicit: false
  by artist: Rubel
  in album: Casas
    type: MusicAlbum
    date published: 2018-03-02
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BX18D1800003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T19:16:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe560bf4e130d39045a5f2c5290d174bb98cb20d38f0bcd140d716199e7288061
  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: Cachorro
track: Pinguim
track: Casquinha
track: Mantra
track: Passagem
track: Explodir
track: Sapato
track: Chiste
track: Fogueira
track: Partilhar
track: Santana

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953515

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953515

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800003

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:53:06Z

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 0xe560bf4e130d39045a5f2c5290d174bb98cb20d38f0bcd140d716199e7288061. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BX18D1800003.
date published: 2026-06-13T12:53:06Z

Cachorro
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 117.991
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.549
additional property: Energy
  type: PropertyValue
  value: 0.251
additional property: Speechiness
  type: PropertyValue
  value: 0.055
additional property: Acousticness
  type: PropertyValue
  value: 0.875
additional property: Instrumentalness
  type: PropertyValue
  value: 0.112
additional property: Liveness
  type: PropertyValue
  value: 0.18
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.414
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.665
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

Pinguim
type: MusicRecording
duration: PT4M47S
duration ms: 287218
explicit: false
by artist: Rubel
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:23:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15fdf6d2f9dca008c9e26cbcea3087c81bf4522bf412faadf92fe6f303d0e051
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x15fdf6d2f9dca008c9e26cbcea3087c81bf4522bf412faadf92fe6f303d0e051. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BX18D1800004.
  date published: 2026-06-13T17:25:41Z
audio: Pinguim
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.765
  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: 0.717
  additional property: Energy
    type: PropertyValue
    value: 0.344
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.847
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.175
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.253
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.72
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Casquinha
type: MusicRecording
duration: PT2M32S
duration ms: 152516
explicit: false
by artist: Rubel
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:25:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa89e8eb818cd48a2dd349134186b22565b3f90e256fdac639bce99140b1b2cd7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xa89e8eb818cd48a2dd349134186b22565b3f90e256fdac639bce99140b1b2cd7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BX18D1800005.
  date published: 2026-06-13T12:53:06Z
audio: Casquinha
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.898
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.695
  additional property: Energy
    type: PropertyValue
    value: 0.22
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.824
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.437
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.359
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mantra
type: MusicRecording
duration: PT4M54S
duration ms: 294049
explicit: false
by artist: Rubel
by artist: Emicida
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:54:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78ac59ee874814933d77df2e7641031b60b914f235d871173088812cdbd44643
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x78ac59ee874814933d77df2e7641031b60b914f235d871173088812cdbd44643. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BX18D1800007.
  date published: 2026-06-13T17:25:41Z
audio: Mantra
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.026
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.665
  additional property: Energy
    type: PropertyValue
    value: 0.588
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.633
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.263
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.669
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.629
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Passagem
type: MusicRecording
duration: PT1M13S
duration ms: 73215
explicit: false
by artist: Rubel
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:10:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f7618052c8a3ccf94a1c6855e35c79b93c169bf0344388694bac72f86d35471
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/BX18D1800008
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 0x4f7618052c8a3ccf94a1c6855e35c79b93c169bf0344388694bac72f86d35471. 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/BX18D1800008.
  date published: 2026-06-13T13:32:09Z
audio: Passagem
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.291
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.712
  additional property: Energy
    type: PropertyValue
    value: 0.267
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.555
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.715
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Explodir
type: MusicRecording
duration: PT4M55S
duration ms: 295994
explicit: false
by artist: Rubel
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T15:22:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x107574a1e417bfb08a2beac36514ea4890a7fa7e435aafb94465b39c48d473c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x107574a1e417bfb08a2beac36514ea4890a7fa7e435aafb94465b39c48d473c5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BX18D1800009.
  date published: 2026-06-13T17:25:41Z
audio: Explodir
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.434
  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: 0.608
  additional property: Energy
    type: PropertyValue
    value: 0.065
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.107
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sapato
type: MusicRecording
duration: PT4M17S
duration ms: 257294
explicit: false
by artist: Rubel
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:48:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x665c41355ba0a1037043fa76cc0fca3cd5e0bf21d51d6db9c752c6e0a7bf7610
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x665c41355ba0a1037043fa76cc0fca3cd5e0bf21d51d6db9c752c6e0a7bf7610. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BX18D1800010.
  date published: 2026-06-13T17:25:41Z
audio: Sapato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.216
  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: 0.829
  additional property: Energy
    type: PropertyValue
    value: 0.264
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.862
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.859
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.203
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Chiste
type: MusicRecording
duration: PT2M36S
duration ms: 156902
explicit: false
by artist: Rubel
by artist: Rincon Sapiência
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:25:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde958cb31280c622080a14a7677b77adf3d79f789b89578dc319d5cc691d235c
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/BX18D1800011
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 0xde958cb31280c622080a14a7677b77adf3d79f789b89578dc319d5cc691d235c. 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/BX18D1800011.
  date published: 2026-06-13T15:41:10Z
audio: Chiste
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.005
  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: 0.572
  additional property: Energy
    type: PropertyValue
    value: 0.491
  additional property: Speechiness
    type: PropertyValue
    value: 0.128
  additional property: Acousticness
    type: PropertyValue
    value: 0.261
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.362
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.629
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Fogueira
type: MusicRecording
duration: PT1M3S
duration ms: 63613
explicit: false
by artist: Rubel
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:27:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc05db291d8038c14ecce0b975cdc70e97975262f2cef1ac779af4358c0fb424b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800012
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0xc05db291d8038c14ecce0b975cdc70e97975262f2cef1ac779af4358c0fb424b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BX18D1800012.
  date published: 2026-07-02T03:30:09Z
audio: Fogueira
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.559
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.086
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.864
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.883
  additional property: Liveness
    type: PropertyValue
    value: 0.139
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.11
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.749
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Partilhar
type: MusicRecording
duration: PT5M37S
duration ms: 337308
explicit: false
by artist: Rubel
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T18:59:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e61b36fca4078be51bea1885456e6ac270c36fe29558e964d035a8f8d2949cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1800013
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0x9e61b36fca4078be51bea1885456e6ac270c36fe29558e964d035a8f8d2949cf. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BX18D1800013.
  date published: 2026-06-13T12:47:07Z
audio: Partilhar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.011
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.539
  additional property: Energy
    type: PropertyValue
    value: 0.28
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.824
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.066
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.334
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.947
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Santana
type: MusicRecording
duration: PT6M55S
duration ms: 415703
explicit: false
by artist: Rubel
in album: Casas
  type: MusicAlbum
  date published: 2018-03-02
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BX18D1800014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:28:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd48b2b0a158d7bf50f37d7687ba80254b9efcc383df5b58c41bbcac8be4ea6c5
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/BX18D1800014
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 0xd48b2b0a158d7bf50f37d7687ba80254b9efcc383df5b58c41bbcac8be4ea6c5. 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/BX18D1800014.
  date published: 2026-06-13T13:32:09Z
audio: Santana
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.907
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.631
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.657
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.457
  additional property: Liveness
    type: PropertyValue
    value: 0.048
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.207
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.592
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pearl
type: MusicAlbum
date published: 2015-02-03
track: O Velho e o Mar
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251400
  explicit: false
  by artist: Rubel
  in album: Pearl
    type: MusicAlbum
    date published: 2015-02-03
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS1400001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:51:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6450dd29eab06dc6b019b799ffe6846c1c055194f42d056cdcfed083953ff4c
  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/BXRUS1400001
  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 0xd6450dd29eab06dc6b019b799ffe6846c1c055194f42d056cdcfed083953ff4c. 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/BXRUS1400001.
    date published: 2026-06-13T15:41:10Z
  audio: O Velho e o Mar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 184.683
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.4
    additional property: Energy
      type: PropertyValue
      value: 0.339
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.706
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.08
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.473
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.041
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Mascarados
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223893
  explicit: false
  by artist: Rubel
  in album: Pearl
    type: MusicAlbum
    date published: 2015-02-03
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS1400002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T06:15:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73f01c4a56fcc1097e9946bf7d0f79146d570e142fa28d1bd22855cd9f15a852
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS1400002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  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 0x73f01c4a56fcc1097e9946bf7d0f79146d570e142fa28d1bd22855cd9f15a852. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS1400002.
    date published: 2026-06-13T17:25:41Z
  audio: Mascarados
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.379
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.474
    additional property: Energy
      type: PropertyValue
      value: 0.3
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.599
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.139
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.502
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.852
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Pearl
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241440
  explicit: false
  by artist: Rubel
  in album: Pearl
    type: MusicAlbum
    date published: 2015-02-03
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS1400003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T09:14:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0f1b6df1bef91b361e6488c076807aa85665a6ea33aa9b8e5405cc24d30ee175
  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: Pearl
track: Quando Bate Aquela Saudade
track: Ben
track: Nuvem
track: Quadro Verde

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953536

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS1400003

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

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 0x0f1b6df1bef91b361e6488c076807aa85665a6ea33aa9b8e5405cc24d30ee175. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS1400003.
date published: 2026-06-13T17:25:41Z

Pearl
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 162.968
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: 0.329
additional property: Energy
  type: PropertyValue
  value: 0.362
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.667
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.167
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.294
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.212
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Quando Bate Aquela Saudade
type: MusicRecording
duration: PT6M34S
duration ms: 394706
explicit: false
by artist: Rubel
in album: Pearl
  type: MusicAlbum
  date published: 2015-02-03
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS1400004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T11:18:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52f4fea64b5e2b326fa1f6dd5a8d9fbca9fcde417a095f5fbb72e97882ff9c2a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS1400004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0x52f4fea64b5e2b326fa1f6dd5a8d9fbca9fcde417a095f5fbb72e97882ff9c2a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXRUS1400004.
  date published: 2026-06-13T12:47:07Z
audio: Quando Bate Aquela Saudade
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.065
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.551
  additional property: Energy
    type: PropertyValue
    value: 0.316
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.207
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.601
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.093
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ben
type: MusicRecording
duration: PT2M58S
duration ms: 178306
explicit: false
by artist: Rubel
in album: Pearl
  type: MusicAlbum
  date published: 2015-02-03
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS1400005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:37:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x675418b2fc5a97062207f98bf1f9f8e471ded733c31d97e4649bb9cbbfe9e3f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS1400005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x675418b2fc5a97062207f98bf1f9f8e471ded733c31d97e4649bb9cbbfe9e3f1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS1400005.
  date published: 2026-06-13T17:25:41Z
audio: Ben
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.176
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.521
  additional property: Energy
    type: PropertyValue
    value: 0.274
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.916
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.322
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.142
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Nuvem
type: MusicRecording
duration: PT3M23S
duration ms: 203746
explicit: false
by artist: Rubel
in album: Pearl
  type: MusicAlbum
  date published: 2015-02-03
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS1400006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:14:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa083a1d1c7638e087264630f98e634cb010c5914793218fa3e6b2362207d255f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS1400006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0xa083a1d1c7638e087264630f98e634cb010c5914793218fa3e6b2362207d255f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXRUS1400006.
  date published: 2026-06-13T17:25:41Z
audio: Nuvem
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.374
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.552
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.836
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.649
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Quadro Verde
type: MusicRecording
duration: PT7M2S
duration ms: 422626
explicit: false
by artist: Rubel
in album: Pearl
  type: MusicAlbum
  date published: 2015-02-03
genre: nova-mpb
genre: nova-musica-carioca
genre: folk-brasileiro
isrc code: BXRUS1400007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:15:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51caffcc5544b3319230b99c8cc5bbbf4762853744910e4c27add9239b3401e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS1400007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0x51caffcc5544b3319230b99c8cc5bbbf4762853744910e4c27add9239b3401e5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXRUS1400007.
  date published: 2026-06-13T12:47:07Z
audio: Quadro Verde
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.374
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.562
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.754
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.161
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.347
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Erasmo Esteves (Tijuca Maluca)
type: MusicAlbum
date published: 2024-05-02
track: Erasmo Esteves (Tijuca Maluca)
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274470
  explicit: false
  by artist: Erasmo Carlos
  by artist: Rubel
  by artist: Emicida
  in album: Erasmo Esteves (Tijuca Maluca)
    type: MusicAlbum
    date published: 2024-05-02
  isrc code: BRRGE2400199
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T11:18:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc021c95966831e5d53ff27b933a9485093eeb3a781e25584fd78aca07888b01e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRRGE2400199
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0xc021c95966831e5d53ff27b933a9485093eeb3a781e25584fd78aca07888b01e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BRRGE2400199.
    date published: 2026-07-02T03:55:08Z
  audio: Erasmo Esteves (Tijuca Maluca)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 166.977
    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: 0.55
    additional property: Energy
      type: PropertyValue
      value: 0.687
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.736
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.54
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.897
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.269
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

PUT@RIA!
type: MusicAlbum
date published: 2023-05-12
track: PUT@RIA!
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192721
  explicit: false
  by artist: Rubel
  by artist: BK
  by artist: Dj Gabriel do Borel
  by artist: Mc Carol
  in album: PUT@RIA!
    type: MusicAlbum
    date published: 2023-05-12
  popularity: 21
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS2300005
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:33:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7bad55168fe5dd632663eaae8ad2bc760f6f4f9e8488088b3bb2759b75e6b9e8
  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/BXRUS2300005
  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 0x7bad55168fe5dd632663eaae8ad2bc760f6f4f9e8488088b3bb2759b75e6b9e8. 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/BXRUS2300005.
    date published: 2026-06-13T13:32:09Z
  audio: PUT@RIA!
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 151.994
    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: 0.73
    additional property: Energy
      type: PropertyValue
      value: 0.618
    additional property: Speechiness
      type: PropertyValue
      value: 0.209
    additional property: Acousticness
      type: PropertyValue
      value: 0.359
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.613
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.739
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Criançada
type: MusicAlbum
date published: 2021-10-29

ponta-cabeça
type: MusicAlbum
date published: 2021-10-15
track: ponta-cabeça
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172980
  explicit: false
  by artist: Rubel
  by artist: Tiago Nacarato
  by artist: Janeiro
  by artist: Paulo Novaes
  in album: ponta-cabeça
    type: MusicAlbum
    date published: 2021-10-15
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: ES71G2142117
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T06:49:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x710dd13344db39975462bb69ca9abf2405b6bc533eeded0e615ff4c59d6849ea
  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/ES71G2142117
  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 0x710dd13344db39975462bb69ca9abf2405b6bc533eeded0e615ff4c59d6849ea. 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/ES71G2142117.
    date published: 2026-06-13T15:41:10Z
  audio: ponta-cabeça
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.624
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.763
    additional property: Energy
      type: PropertyValue
      value: 0.435
    additional property: Speechiness
      type: PropertyValue
      value: 0.406
    additional property: Acousticness
      type: PropertyValue
      value: 0.361
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.305
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.97
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Se Não Fosse por Ontem
type: MusicAlbum
date published: 2021-10-07
track: Se Não Fosse por Ontem
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208589
  explicit: false
  by artist: Francisco, el Hombre
  by artist: Rubel
  in album: Se Não Fosse por Ontem
    type: MusicAlbum
    date published: 2021-10-07
  genre: nova-mpb
  genre: mpb
  isrc code: BXZFL2100074
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:52:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb1831a3dfcb82714ee04047e86adfce73daa4f003661efa761d7c9c076a263a4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953515
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZFL2100074
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  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 0xb1831a3dfcb82714ee04047e86adfce73daa4f003661efa761d7c9c076a263a4. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXZFL2100074.
    date published: 2026-06-13T12:53:06Z
  audio: Se Não Fosse por Ontem
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.065
    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: 0.729
    additional property: Energy
      type: PropertyValue
      value: 0.449
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.533
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.224
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.498
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.495
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

No Teu Pescoço
type: MusicAlbum
date published: 2021-09-15
track: No Teu Pescoço
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110000
  explicit: false
  by artist: Bruna Magalhães
  by artist: Rubel
  in album: No Teu Pescoço
    type: MusicAlbum
    date published: 2021-09-15
  isrc code: BR3752100246
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T06:53:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x36b8938dcccf57e7b305e135cb80288fcd64a288e6addaf81770a72d2f31eab7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953515
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR3752100246
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  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 0x36b8938dcccf57e7b305e135cb80288fcd64a288e6addaf81770a72d2f31eab7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BR3752100246.
    date published: 2026-06-13T12:53:06Z
  audio: No Teu Pescoço
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 121.308
    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: 0.676
    additional property: Energy
      type: PropertyValue
      value: 0.339
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.867
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.14
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.508
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.456
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

O HOMEM DA INJEÇÃO II
type: MusicAlbum
date published: 2021-07-08
track: O HOMEM DA INJEÇÃO II
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211741
  explicit: false
  by artist: Rubel
  in album: O HOMEM DA INJEÇÃO II
    type: MusicAlbum
    date published: 2021-07-08
  popularity: 19
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS2100001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T06:00:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x433d8fa4f5513f6114e28badc9aca2cfae6959595a485675a222744e155bdbf3
  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/BXRUS2100001
  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 0x433d8fa4f5513f6114e28badc9aca2cfae6959595a485675a222744e155bdbf3. 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/BXRUS2100001.
    date published: 2026-06-13T13:32:09Z
  audio: O HOMEM DA INJEÇÃO II
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.766
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.659
    additional property: Energy
      type: PropertyValue
      value: 0.684
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.733
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.006
    additional property: Liveness
      type: PropertyValue
      value: 0.088
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.937
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.644
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Coração Vagabundo
type: MusicAlbum
date published: 2020-12-18
track: Coração Vagabundo
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156617
  explicit: false
  by artist: Rubel
  by artist: Gal Costa
  in album: Coração Vagabundo
    type: MusicAlbum
    date published: 2020-12-18
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BRPUI2000242
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T06:04:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x29ba1bbf0427423f9abdff184ad0c661e5900615b90425a781e7e0080c314e5c
  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/BRPUI2000242
  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 0x29ba1bbf0427423f9abdff184ad0c661e5900615b90425a781e7e0080c314e5c. 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/BRPUI2000242.
    date published: 2026-06-13T13:32:09Z
  audio: Coração Vagabundo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.527
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.289
    additional property: Energy
      type: PropertyValue
      value: 0.176
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.618
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.325
    additional property: Liveness
      type: PropertyValue
      value: 0.151
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.186
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.439
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Bolso de Fora (Rubel Canta Adoniran Barbosa)
type: MusicAlbum
date published: 2020-08-06
track: Bolso de Fora - Rubel Canta Adoniran Barbosa
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174574
  explicit: false
  by artist: Rubel
  in album: Bolso de Fora (Rubel Canta Adoniran Barbosa)
    type: MusicAlbum
    date published: 2020-08-06
  popularity: 41
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXDFR2000015
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T16:24:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaa7bcfc6beae400e70ac9d6995ef0d7de2059e991b9344b282db058b0a87bfef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXDFR2000015
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  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 0xaa7bcfc6beae400e70ac9d6995ef0d7de2059e991b9344b282db058b0a87bfef. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXDFR2000015.
    date published: 2026-06-13T17:25:41Z
  audio: Bolso de Fora - Rubel Canta Adoniran Barbosa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.697
    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: 0.592
    additional property: Energy
      type: PropertyValue
      value: 0.618
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.552
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.587
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.646
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Baby (Ao Vivo)
type: MusicAlbum
date published: 2020-07-31
track: Baby - Ao Vivo
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187178
  explicit: false
  by artist: Gal Costa
  by artist: Rubel
  in album: Baby (Ao Vivo)
    type: MusicAlbum
    date published: 2020-07-31
  genre: mpb
  genre: bossa-nova
  genre: brazilian-jazz
  isrc code: BRPUI2000139
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T09:20:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b3a5bbdedcb2cf29a405198a63fd937c92b05b8f9f4751fc9ec280d1cf0062e
  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/BRPUI2000139
  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 0x3b3a5bbdedcb2cf29a405198a63fd937c92b05b8f9f4751fc9ec280d1cf0062e. 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/BRPUI2000139.
    date published: 2026-06-13T15:41:10Z
  audio: Baby - Ao Vivo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.416
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.495
    additional property: Energy
      type: PropertyValue
      value: 0.306
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.777
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.887
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.356
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.173
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Casas (Ao Vivo)
type: MusicAlbum
date published: 2020-01-24
track: Sapato (Ao Vivo)
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240800
  explicit: false
  by artist: Rubel
  in album: Casas (Ao Vivo)
    type: MusicAlbum
    date published: 2020-01-24
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BX18D1900002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:33:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x522dc4374c684d1ca62dafb0151fe2a2e126a102fd6835578f8452bc43da5de1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1900002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0x522dc4374c684d1ca62dafb0151fe2a2e126a102fd6835578f8452bc43da5de1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BX18D1900002.
    date published: 2026-07-02T03:55:08Z
  audio: Sapato (Ao Vivo)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.248
    additional property: Musical Key
      type: PropertyValue
      value: 6
    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: 0.379
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.805
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.444
    additional property: Liveness
      type: PropertyValue
      value: 0.144
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.827
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.94
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Cachorro (Ao Vivo)
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267903
  explicit: false
  by artist: Rubel
  in album: Casas (Ao Vivo)
    type: MusicAlbum
    date published: 2020-01-24
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BX18D1900003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T01:33:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c851d926c8905a4020f9474431b727056c1a22739c1c236bca12d7ee7251076
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1900003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0x0c851d926c8905a4020f9474431b727056c1a22739c1c236bca12d7ee7251076. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BX18D1900003.
    date published: 2026-07-02T03:55:08Z
  audio: Cachorro (Ao Vivo)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.737
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.516
    additional property: Energy
      type: PropertyValue
      value: 0.371
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.773
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.117
    additional property: Liveness
      type: PropertyValue
      value: 0.206
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.348
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.762
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Pinguim (Ao Vivo)
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348202
  explicit: false
  by artist: Rubel
  in album: Casas (Ao Vivo)
    type: MusicAlbum
    date published: 2020-01-24
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BX18D1900004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T23:11:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x07a8139804f155da484c2795311acf4722f8e368cc0d0d9a307e0920024f66a1
  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: Pinguim (Ao Vivo)

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1900004

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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 0x07a8139804f155da484c2795311acf4722f8e368cc0d0d9a307e0920024f66a1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BX18D1900004.
date published: 2026-07-02T03:55:08Z

Pinguim (Ao Vivo)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 124.788
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: 0.761
additional property: Energy
  type: PropertyValue
  value: 0.259
additional property: Speechiness
  type: PropertyValue
  value: 0.032
additional property: Acousticness
  type: PropertyValue
  value: 0.745
additional property: Instrumentalness
  type: PropertyValue
  value: 0.309
additional property: Liveness
  type: PropertyValue
  value: 0.103
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.351
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.889
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Partilhar
type: MusicAlbum
date published: 2019-11-11
track: Partilhar
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262552
  explicit: false
  by artist: Rubel
  by artist: ANAVITÓRIA
  in album: Partilhar
    type: MusicAlbum
    date published: 2019-11-11
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BX18D1900001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T13:02:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d3a51b781e20b855f4665f6b8c56cead10e3cfa19ad01460b3eca0527cc076f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX18D1900001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  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 0x5d3a51b781e20b855f4665f6b8c56cead10e3cfa19ad01460b3eca0527cc076f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BX18D1900001.
    date published: 2026-06-13T12:47:07Z
  audio: Partilhar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.959
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.617
    additional property: Energy
      type: PropertyValue
      value: 0.533
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.47
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.589
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.386
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ontem Ao Luar
type: MusicAlbum
date published: 2019-10-04
track: Ontem Ao Luar
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217426
  explicit: false
  by artist: Rubel
  in album: Ontem Ao Luar
    type: MusicAlbum
    date published: 2019-10-04
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BRRGE1905292
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T16:39:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeb54680c2acb0cfac7619ab9f6bbe2157e97a183b167a90bd22bf952d87142c9
  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/BRRGE1905292
  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 0xeb54680c2acb0cfac7619ab9f6bbe2157e97a183b167a90bd22bf952d87142c9. 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/BRRGE1905292.
    date published: 2026-06-13T13:32:09Z
  audio: Ontem Ao Luar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.664
    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: 0.412
    additional property: Energy
      type: PropertyValue
      value: 0.126
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.864
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.387
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.238
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Medo Bobo
type: MusicAlbum
date published: 2019-02-08
track: Medo Bobo
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198039
  explicit: false
  by artist: Rubel
  in album: Medo Bobo
    type: MusicAlbum
    date published: 2019-02-08
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXRUS1900001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T11:32:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb574a4e8ac67e1f2e9be7461885155aa5a6074da3a9c0cf92f0ad99dec023e24
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRUS1900001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  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 0xb574a4e8ac67e1f2e9be7461885155aa5a6074da3a9c0cf92f0ad99dec023e24. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXRUS1900001.
    date published: 2026-06-13T12:47:07Z
  audio: Medo Bobo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 178.233
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.267
    additional property: Energy
      type: PropertyValue
      value: 0.304
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.494
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.081
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.376
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.089
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ben: Projeto 2por1
type: MusicAlbum
date published: 2015-08-03
track: Ben: Projeto 2por1
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193797
  explicit: false
  by artist: Rubel
  in album: Ben: Projeto 2por1
    type: MusicAlbum
    date published: 2015-08-03
  popularity: 26
  genre: nova-mpb
  genre: nova-musica-carioca
  genre: folk-brasileiro
  isrc code: BXFOF1500018
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T11:22:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xecf47e549bc1502b56c6212e6edcb070ea5df59e6347c186b72687c5dbc891a1
  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/BXFOF1500018
  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 0xecf47e549bc1502b56c6212e6edcb070ea5df59e6347c186b72687c5dbc891a1. 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/BXFOF1500018.
    date published: 2026-06-13T15:41:10Z
  audio: Ben: Projeto 2por1
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.515
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.627
    additional property: Energy
      type: PropertyValue
      value: 0.127
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.931
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.153
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.285
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.266
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major