Roma de Janeiro
type: MusicGroup
genre: samba
popularity: 7
followers: 281
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d419a7bcf18cfffe5161168b978d26934e8f2c0f0e23a90c2e477d5d6ceeb98
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb2eefa8-97a6-452d-a058-9f3d2b3f5ec0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb2eefa8-97a6-452d-a058-9f3d2b3f5ec0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fb2eefa8-97a6-452d-a058-9f3d2b3f5ec0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x2d419a7bcf18cfffe5161168b978d26934e8f2c0f0e23a90c2e477d5d6ceeb98. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fb2eefa8-97a6-452d-a058-9f3d2b3f5ec0.json and https://artists.proofprofile.net/proofs/artist/fb2eefa8-97a6-452d-a058-9f3d2b3f5ec0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
  text: {"copyright_id":"0x2d419a7bcf18cfffe5161168b978d26934e8f2c0f0e23a90c2e477d5d6ceeb98","name":"Roma de Janeiro","registered_at":"2026-06-21T17:26:28Z","symbol":"NIM1987283","token_address":"0x69428fc147b6eb1995363f4e241d5ecdbc98dd56","type":"artist","uuid":"fb2eefa8-97a6-452d-a058-9f3d2b3f5ec0"}
album: Vida de boêmio
  type: MusicAlbum
  date published: 2020-04-01
album: Vida de Boêmio
  type: MusicAlbum
  date published: 2020-04-01
album: Quello che pensa la gente (Radio edit)
  type: MusicAlbum
  date published: 2020-08-14
album: Resistência Cultural
  type: MusicAlbum
  date published: 2020-11-13
album: Resistência cultural
  type: MusicAlbum
  date published: 2020-11-13
album: Um Brasil
  type: MusicAlbum
  date published: 2021-04-09
  track: Um Brasil
    type: MusicRecording
    duration: PT3M8S
    duration ms: 188173
    explicit: false
    by artist: Roma de Janeiro
    in album: Um Brasil
      type: MusicAlbum
      date published: 2021-04-09
    genre: samba
    isrc code: BX2EA2100001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
      value: 2026-07-05T10:54:46+00:00
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      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd8fcbcf9eb04e4fa691c33a1b95319c8da3bff4b8679e3c523a7e3814da6df5a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX2EA2100001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0xd8fcbcf9eb04e4fa691c33a1b95319c8da3bff4b8679e3c523a7e3814da6df5a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/BX2EA2100001.
      date published: 2026-07-05T18:48:28Z
    audio: Um Brasil
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.075
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.649
      additional property: Energy
        type: PropertyValue
        value: 0.673
      additional property: Speechiness
        type: PropertyValue
        value: 0.15
      additional property: Acousticness
        type: PropertyValue
        value: 0.098
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.172
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.785
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.931
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Mariana
  type: MusicAlbum
  date published: 2021-07-23
  track: Mariana
    type: MusicRecording
    duration: PT3M54S
    duration ms: 234040
    explicit: false
    by artist: Roma de Janeiro
    in album: Mariana
      type: MusicAlbum
      date published: 2021-07-23
    genre: samba
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958955
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958955
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX2EA2100004
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T05:05:46Z
    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 0x8fcb24d6b986d581e15428f2c99d3afd756eba84fb721daa91647493d80c1fa0. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:05:46Z), 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/BX2EA2100004.
      date published: 2026-07-21T05:05:46Z
    audio: Mariana
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 113.142
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.65
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Roma de Janeiro
album: Histórias e Lendas
album: Domingo no quintal
album: Janela
album: Beleza

Energy
type: PropertyValue
value: 0.722

Speechiness
type: PropertyValue
value: 0.095

Acousticness
type: PropertyValue
value: 0.426

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.068

Valence (Positivity)
type: PropertyValue
value: 0.551

Loudness (dB)
type: PropertyValue
value: -8.657

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Roma de Janeiro
type: MusicAlbum
date published: 2022-03-07

Histórias e Lendas
type: MusicAlbum
date published: 2022-09-09

Domingo no quintal
type: MusicAlbum
date published: 2022-11-25

Janela
type: MusicAlbum
date published: 2023-03-08

Beleza
type: MusicAlbum
date published: 2023-07-14
track: Vida de boêmio
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186293
  explicit: false
  by artist: Roma de Janeiro
  in album: Beleza
    type: MusicAlbum
    date published: 2023-07-14
  genre: samba
  isrc code: QZGLS2028924
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T04:47:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc308f649d47f8ec92aa09e4a31fc4c9d33ed5789ebaea26eb108839416ad8379
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958969
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958969
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2028924
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T04:58:13Z
  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 0xc308f649d47f8ec92aa09e4a31fc4c9d33ed5789ebaea26eb108839416ad8379. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/QZGLS2028924.
    date published: 2026-07-21T04:58:13Z
  audio: Vida de boêmio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.071
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.666
    additional property: Energy
      type: PropertyValue
      value: 0.599
    additional property: Speechiness
      type: PropertyValue
      value: 0.14
    additional property: Acousticness
      type: PropertyValue
      value: 0.774
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.526
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.78
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.009
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major