Café Bossa Jazz
type: MusicGroup
popularity: 4
followers: 16
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52a1330b24d37340978d123ed7220a4cb148595facfada16691b9e49144d2591
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954573
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954573
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4b2e919-3060-47a4-b266-af40fa07c797.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4b2e919-3060-47a4-b266-af40fa07c797.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b4b2e919-3060-47a4-b266-af40fa07c797
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T15:45:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x52a1330b24d37340978d123ed7220a4cb148595facfada16691b9e49144d2591","name":"Café Bossa Jazz","registered_at":"2026-06-20T13:52:28Z","symbol":"NIM1628033","token_address":"0x89e09afce2bdec20e5f94ada5b3c578035d817df","type":"artist","uuid":"b4b2e919-3060-47a4-b266-af40fa07c797"}
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 0x52a1330b24d37340978d123ed7220a4cb148595facfada16691b9e49144d2591. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4b2e919-3060-47a4-b266-af40fa07c797.json and https://artists.proofprofile.net/proofs/artist/b4b2e919-3060-47a4-b266-af40fa07c797.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T15:45:29Z
  text: {"copyright_id":"0x52a1330b24d37340978d123ed7220a4cb148595facfada16691b9e49144d2591","name":"Café Bossa Jazz","registered_at":"2026-06-20T13:52:28Z","symbol":"NIM1628033","token_address":"0x89e09afce2bdec20e5f94ada5b3c578035d817df","type":"artist","uuid":"b4b2e919-3060-47a4-b266-af40fa07c797"}
album: Canções de Piano de Jazz Lentas e Relaxantes Com Sabor a Bossa Nova para Ouvir em Segundo Plano
  type: MusicAlbum
  date published: 2020-10-30
album: Bossa Nova Jazz Como Acompanhamento para Cada Momento
  type: MusicAlbum
  date published: 2022-08-31
album: Desfrute de Grandes Canções Jazzísticas da Bossa Nova, o Espírito do Brasil
  type: MusicAlbum
  date published: 2023-02-10
album: Clássicos Relaxantes da Bossa Nova para Guitarra
  type: MusicAlbum
  date published: 2023-11-24