Mack The Rapper
type: MusicGroup
genre: hindi pop
popularity: 11
followers: 2057
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15ffbb621300fc144727efd7b5312fec4840b98f95116b882d28a06e68eb4a6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953695
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953695
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6f1fc468-9ee0-4e49-bc82-019ee8a6fd3f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6f1fc468-9ee0-4e49-bc82-019ee8a6fd3f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6f1fc468-9ee0-4e49-bc82-019ee8a6fd3f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:42:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x15ffbb621300fc144727efd7b5312fec4840b98f95116b882d28a06e68eb4a6c","name":"Mack The Rapper","registered_at":"2026-06-14T16:08:13Z","symbol":"NIM0505469","token_address":"0xce23cce0b3c855c1cb3d7d3e54217201c6fd62e8","type":"artist","uuid":"6f1fc468-9ee0-4e49-bc82-019ee8a6fd3f"}
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 0x15ffbb621300fc144727efd7b5312fec4840b98f95116b882d28a06e68eb4a6c. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6f1fc468-9ee0-4e49-bc82-019ee8a6fd3f.json and https://artists.proofprofile.net/proofs/artist/6f1fc468-9ee0-4e49-bc82-019ee8a6fd3f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:49:28Z
  text: {"copyright_id":"0x15ffbb621300fc144727efd7b5312fec4840b98f95116b882d28a06e68eb4a6c","name":"Mack The Rapper","registered_at":"2026-06-14T16:08:13Z","symbol":"NIM0505469","token_address":"0xce23cce0b3c855c1cb3d7d3e54217201c6fd62e8","type":"artist","uuid":"6f1fc468-9ee0-4e49-bc82-019ee8a6fd3f"}
album: Romeo
  type: MusicAlbum
  date published: 2017-12-27
album: Mr. Perfect
  type: MusicAlbum
  date published: 2018-04-19
album: Janasheen
  type: MusicAlbum
  date published: 2019-02-07