DJ Martijn
type: MusicGroup
popularity: 2
followers: 33
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f76f3e3c2d6273ad3c91d53e50b92646a2c7e9d5838170802f2022c61e699f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98e65103-7816-4180-ba9a-87f2672acd21.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98e65103-7816-4180-ba9a-87f2672acd21.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/98e65103-7816-4180-ba9a-87f2672acd21
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1f76f3e3c2d6273ad3c91d53e50b92646a2c7e9d5838170802f2022c61e699f8","name":"DJ Martijn","registered_at":"2026-06-17T18:58:38Z","symbol":"NIM1488633","token_address":"0x1fdf8df60d6f2be9b2d84ef9ed35d895a9472bed","type":"artist","uuid":"98e65103-7816-4180-ba9a-87f2672acd21"}
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 0x1f76f3e3c2d6273ad3c91d53e50b92646a2c7e9d5838170802f2022c61e699f8. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98e65103-7816-4180-ba9a-87f2672acd21.json and https://artists.proofprofile.net/proofs/artist/98e65103-7816-4180-ba9a-87f2672acd21.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x1f76f3e3c2d6273ad3c91d53e50b92646a2c7e9d5838170802f2022c61e699f8","name":"DJ Martijn","registered_at":"2026-06-17T18:58:38Z","symbol":"NIM1488633","token_address":"0x1fdf8df60d6f2be9b2d84ef9ed35d895a9472bed","type":"artist","uuid":"98e65103-7816-4180-ba9a-87f2672acd21"}
album: Meisjes Van de Nacht (Party Mix)
  type: MusicAlbum
  date published: 2008-04-02
album: Meisjes van de nacht 2009
  type: MusicAlbum
  date published: 2008-12-22
album: Meisjes van de nacht 2009
  type: MusicAlbum
  date published: 2008-12-23
album: Meisjes Van De Nacht
  type: MusicAlbum
  date published: 2009-02-06
album: Vrienden voor het leven
  type: MusicAlbum
  date published: 2019-09-12
album: Samen zijn (Summer mix)
  type: MusicAlbum
  date published: 2019-09-19
album: Vrienden voor het leven
  type: MusicAlbum
  date published: 2019-09-19
album: Samen zijn
  type: MusicAlbum
  date published: 2019-09-19
album: Vrienden voor het leven
  type: MusicAlbum
  date published: 2019-09-19
album: Vogeltje
  type: MusicAlbum
  date published: 2025-02-28