MARCEL
type: MusicGroup
genre: nova mpb
popularity: 6
followers: 840
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03ffda9ad3262e8e758855d0d5212a709c4a6cebc0fea90a8da72077533a6199
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954638
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954638
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d47cea72-1681-4ecf-9d2d-eefc5e57c34f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d47cea72-1681-4ecf-9d2d-eefc5e57c34f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d47cea72-1681-4ecf-9d2d-eefc5e57c34f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T03:45:44Z
additional property: OTSCanonicalRecord
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 0x03ffda9ad3262e8e758855d0d5212a709c4a6cebc0fea90a8da72077533a6199. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d47cea72-1681-4ecf-9d2d-eefc5e57c34f.json and https://artists.proofprofile.net/proofs/artist/d47cea72-1681-4ecf-9d2d-eefc5e57c34f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
album: Marcel
  type: MusicAlbum
  date published: 2018-01-19
album: Marcel
  type: MusicAlbum
  date published: 2018-01-19
album: Oração
  type: MusicAlbum
  date published: 2020-12-18
album: Por Inteiro
  type: MusicAlbum
  date published: 2021-02-26
album: Por Inteiro
  type: MusicAlbum
  date published: 2021-02-26
album: Deixa O Amor Fluir
  type: MusicAlbum
  date published: 2021-07-16
album: Por Conta Dos Problemas
  type: MusicAlbum
  date published: 2021-09-24
album: Mãos Para o Céu
  type: MusicAlbum
  date published: 2021-12-10
album: Mãos Para o Céu - Dan Félix Dub (Remix)
  type: MusicAlbum
  date published: 2022-02-25
album: Acorda Amor
  type: MusicAlbum
  date published: 2022-05-13
album: Acorda Amor (Acústico)
  type: MusicAlbum
  date published: 2022-06-10
album: a fase boa vem
  type: MusicAlbum
  date published: 2022-11-18
album: Grão de Arroz
  type: MusicAlbum
  date published: 2024-01-26
album: Dormindo ao Seu Lado
  type: MusicAlbum
  date published: 2024-08-02