Luiz Piçarra
type: MusicGroup
genre: fado
popularity: 14
followers: 556
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefcc3435f38201117febf1ae537e1ba93f356eca14746094e5a46303bdb3114e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8757151b-4f21-4a89-8ad1-675530385f3a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8757151b-4f21-4a89-8ad1-675530385f3a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8757151b-4f21-4a89-8ad1-675530385f3a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:05:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xefcc3435f38201117febf1ae537e1ba93f356eca14746094e5a46303bdb3114e","name":"Luiz Piçarra","registered_at":"2026-06-14T18:40:40Z","symbol":"NIM0541799","token_address":"0x3bf2f14a7330536894f7153f801f552ccaf7508c","type":"artist","uuid":"8757151b-4f21-4a89-8ad1-675530385f3a"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefcc3435f38201117febf1ae537e1ba93f356eca14746094e5a46303bdb3114e. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8757151b-4f21-4a89-8ad1-675530385f3a.json and https://artists.proofprofile.net/proofs/artist/8757151b-4f21-4a89-8ad1-675530385f3a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T01:05:33Z
  text: {"copyright_id":"0xefcc3435f38201117febf1ae537e1ba93f356eca14746094e5a46303bdb3114e","name":"Luiz Piçarra","registered_at":"2026-06-14T18:40:40Z","symbol":"NIM0541799","token_address":"0x3bf2f14a7330536894f7153f801f552ccaf7508c","type":"artist","uuid":"8757151b-4f21-4a89-8ad1-675530385f3a"}
album: Ser Benfiquista - O melhor de Luiz Piçarra
  type: MusicAlbum
  date published: 1952
album: Ser Benfiquista - O melhor de Luiz Piçarra
  type: MusicAlbum
  date published: 1952
album: Ser Benfiquista - O melhor de Luiz Piçarra
  type: MusicAlbum
  date published: 1952
album: Ser Benfiquista - O Melhor de Luiz Piçarra
  type: MusicAlbum
  date published: 1960
album: Ser Benfiquista
  type: MusicAlbum
  date published: 1960
album: Ser Benfiquista
  type: MusicAlbum
  date published: 1960-01-01
album: Ser Benfiquista (Com Orquestra e Acordeão)
  type: MusicAlbum
  date published: 1960-01-01
album: Ser Benfiquista
  type: MusicAlbum
  date published: 2013-01-01
album: Ser Benfiquista (Hino 2015)
  type: MusicAlbum
  date published: 2015
album: Ser Benfiquista (Hino 2015)
  type: MusicAlbum
  date published: 2015
album: Ser Benfiquista (Hino 2015)
  type: MusicAlbum
  date published: 2015