Bossa Avenida
type: MusicGroup
genre: bossa nova
genre: brazilian jazz
popularity: 21
followers: 332
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d61f03b015618c980ce7ca9c14df6a4c0a26118d2afb3baf5e3e36a9afabfc9
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/60049c2a-5fc1-4908-bb66-1202c1b19e6f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/60049c2a-5fc1-4908-bb66-1202c1b19e6f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/60049c2a-5fc1-4908-bb66-1202c1b19e6f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3d61f03b015618c980ce7ca9c14df6a4c0a26118d2afb3baf5e3e36a9afabfc9","name":"Bossa Avenida","registered_at":"2026-06-11T22:41:31Z","symbol":"NIM0125169","token_address":"0xc805deefa3dcc67a7be7283a6a24e3832c75ac18","type":"artist","uuid":"60049c2a-5fc1-4908-bb66-1202c1b19e6f"}
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 0x3d61f03b015618c980ce7ca9c14df6a4c0a26118d2afb3baf5e3e36a9afabfc9. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/60049c2a-5fc1-4908-bb66-1202c1b19e6f.json and https://artists.proofprofile.net/proofs/artist/60049c2a-5fc1-4908-bb66-1202c1b19e6f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x3d61f03b015618c980ce7ca9c14df6a4c0a26118d2afb3baf5e3e36a9afabfc9","name":"Bossa Avenida","registered_at":"2026-06-11T22:41:31Z","symbol":"NIM0125169","token_address":"0xc805deefa3dcc67a7be7283a6a24e3832c75ac18","type":"artist","uuid":"60049c2a-5fc1-4908-bb66-1202c1b19e6f"}
album: Você E Eu
  type: MusicAlbum
  date published: 2019-08-07
  track: Saudade Fez Um Samba
    type: MusicRecording
    duration: PT2M42S
    duration ms: 162417
    explicit: false
    by artist: Bossa Avenida
    in album: Você E Eu
      type: MusicAlbum
      date published: 2019-08-07
    genre: bossa nova
    genre: brazilian jazz
    isrc code: QZAKB1910120
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T22:18:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3c06c7e0d104ec957d3467b1c0760baf1ab4707986c015715c1badc6f564c985
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958335
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958335
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZAKB1910120
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T22:37:47Z
    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 0x3c06c7e0d104ec957d3467b1c0760baf1ab4707986c015715c1badc6f564c985. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/QZAKB1910120.
      date published: 2026-07-16T22:37:47Z
    audio: Saudade Fez Um Samba
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 193.776
      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: 0.478
      additional property: Energy
        type: PropertyValue
        value: 0.429
      additional property: Speechiness
        type: PropertyValue
        value: 0.237
      additional property: Acousticness
        type: PropertyValue
        value: 0.958
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.947
      additional property: Liveness
        type: PropertyValue
        value: 0.089
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.766
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.824
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
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  type: MusicAlbum
  date published: 2024-03-06
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  type: MusicAlbum
  date published: 2024-05-16
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  type: MusicAlbum
  date published: 2024-08-05
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  type: MusicAlbum
  date published: 2024-10-01
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-07-26