Joao Marcio
type: MusicGroup
genre: sertanejo
genre: sertanejo universitário
popularity: 2
followers: 485
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa568355fb9fd53b9fff62d3e0ec399d8766ca066a86bd14523d093094a334362
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953851
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953851
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/018da2e7-1c7d-4631-96c8-5de85dc71f85.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/018da2e7-1c7d-4631-96c8-5de85dc71f85.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/018da2e7-1c7d-4631-96c8-5de85dc71f85
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:06:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa568355fb9fd53b9fff62d3e0ec399d8766ca066a86bd14523d093094a334362","name":"Joao Marcio","registered_at":"2026-06-15T14:11:58Z","symbol":"NIM0733060","token_address":"0xc9d5a5835886bdb75f79c7c2b4a338717b8d863c","type":"artist","uuid":"018da2e7-1c7d-4631-96c8-5de85dc71f85"}
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 0xa568355fb9fd53b9fff62d3e0ec399d8766ca066a86bd14523d093094a334362. Chain 2 (Bitcoin): anchored in block 953851 (2026-06-15T23:06:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/018da2e7-1c7d-4631-96c8-5de85dc71f85.json and https://artists.proofprofile.net/proofs/artist/018da2e7-1c7d-4631-96c8-5de85dc71f85.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T23:06:35Z
  text: {"copyright_id":"0xa568355fb9fd53b9fff62d3e0ec399d8766ca066a86bd14523d093094a334362","name":"Joao Marcio","registered_at":"2026-06-15T14:11:58Z","symbol":"NIM0733060","token_address":"0xc9d5a5835886bdb75f79c7c2b4a338717b8d863c","type":"artist","uuid":"018da2e7-1c7d-4631-96c8-5de85dc71f85"}
album: Soluçando Ela (Acústico no Manso) [Live]
  type: MusicAlbum
  date published: 2017-08-04
album: Sombra do Bar
  type: MusicAlbum
  date published: 2018-01-12
album: Sombra do Bar
  type: MusicAlbum
  date published: 2018-01-12
album: Barco de Papel (Ao Vivo)
  type: MusicAlbum
  date published: 2018-02-02
album: Estranho e Perfeito
  type: MusicAlbum
  date published: 2018-02-23
album: Burrice do Corpo
  type: MusicAlbum
  date published: 2018-03-16
album: Acústico no Manso (Ao Vivo)
  type: MusicAlbum
  date published: 2018-04-06
album: Biografia Não Autorizada (Ao Vivo)
  type: MusicAlbum
  date published: 2018-04-06
album: Para Que Cê Ta Mal
  type: MusicAlbum
  date published: 2018-09-07
album: Ameniza
  type: MusicAlbum
  date published: 2018-10-19
album: Se Fosse Você
  type: MusicAlbum
  date published: 2018-11-09
album: Namorado do Futuro
  type: MusicAlbum
  date published: 2018-12-07
album: Não Aceita
  type: MusicAlbum
  date published: 2019-01-25
album: Manias
  type: MusicAlbum
  date published: 2019-02-22
album: Fala Agora (Blognejo)
  type: MusicAlbum
  date published: 2019-05-03
album: Blognejo: Fala Agora (Ao Vivo)
  type: MusicAlbum
  date published: 2019-05-03
album: Te Amo
  type: MusicAlbum
  date published: 2019-06-07
album: Vem Me Buscar
  type: MusicAlbum
  date published: 2019-07-12
album: Studio Live
  type: MusicAlbum
  date published: 2019-07-26