DF CREW
type: MusicGroup
popularity: 2
followers: 9
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x251940f82cbff7a4ca1ad854b458b99cb3c4e01273fedaee8a831ba717973123
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b0e5bf45-63d1-48a1-b2fe-a95f091b3edf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b0e5bf45-63d1-48a1-b2fe-a95f091b3edf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b0e5bf45-63d1-48a1-b2fe-a95f091b3edf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x251940f82cbff7a4ca1ad854b458b99cb3c4e01273fedaee8a831ba717973123","name":"DF CREW","registered_at":"2026-06-20T12:14:19Z","symbol":"NIM1610623","token_address":"0x4ab3c29c61b9993b6e984c16bd768394b8a15e18","type":"artist","uuid":"b0e5bf45-63d1-48a1-b2fe-a95f091b3edf"}
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 0x251940f82cbff7a4ca1ad854b458b99cb3c4e01273fedaee8a831ba717973123. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b0e5bf45-63d1-48a1-b2fe-a95f091b3edf.json and https://artists.proofprofile.net/proofs/artist/b0e5bf45-63d1-48a1-b2fe-a95f091b3edf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0x251940f82cbff7a4ca1ad854b458b99cb3c4e01273fedaee8a831ba717973123","name":"DF CREW","registered_at":"2026-06-20T12:14:19Z","symbol":"NIM1610623","token_address":"0x4ab3c29c61b9993b6e984c16bd768394b8a15e18","type":"artist","uuid":"b0e5bf45-63d1-48a1-b2fe-a95f091b3edf"}
album: Sonhos & Desejos
  type: MusicAlbum
  date published: 2022-02-06
album: Atração
  type: MusicAlbum
  date published: 2023-06-07
album: Desnecessário
  type: MusicAlbum
  date published: 2023-06-16
album: OMNIPOTENTE
  type: MusicAlbum
  date published: 2023-10-02
album: FOUCS
  type: MusicAlbum
  date published: 2024-10-24