Sebastian Wojkowski
type: MusicGroup
genre: deep house
popularity: 4
followers: 235
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe140996fc49ef0b47e053a793cd8787743f37f12cc55c98afd0e8cad7a7d5a73
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8ccfa040-5dfb-4258-b737-8bdb99a13bdf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8ccfa040-5dfb-4258-b737-8bdb99a13bdf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8ccfa040-5dfb-4258-b737-8bdb99a13bdf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe140996fc49ef0b47e053a793cd8787743f37f12cc55c98afd0e8cad7a7d5a73","name":"Sebastian Wojkowski","registered_at":"2026-06-17T14:50:44Z","symbol":"NIM1429447","token_address":"0xe62725e086ac4837a99f2be85f73ef2db30810e2","type":"artist","uuid":"8ccfa040-5dfb-4258-b737-8bdb99a13bdf"}
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 0xe140996fc49ef0b47e053a793cd8787743f37f12cc55c98afd0e8cad7a7d5a73. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8ccfa040-5dfb-4258-b737-8bdb99a13bdf.json and https://artists.proofprofile.net/proofs/artist/8ccfa040-5dfb-4258-b737-8bdb99a13bdf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xe140996fc49ef0b47e053a793cd8787743f37f12cc55c98afd0e8cad7a7d5a73","name":"Sebastian Wojkowski","registered_at":"2026-06-17T14:50:44Z","symbol":"NIM1429447","token_address":"0xe62725e086ac4837a99f2be85f73ef2db30810e2","type":"artist","uuid":"8ccfa040-5dfb-4258-b737-8bdb99a13bdf"}
album: King Size EP
  type: MusicAlbum
  date published: 2011-01-01
album: Sebastian Wojkowski
  type: MusicAlbum
  date published: 2013-07-12
album: Sebastian Wojkowski EP
  type: MusicAlbum
  date published: 2013-07-12
album: Sebastian Wojkowski
  type: MusicAlbum
  date published: 2013-07-12
album: Noize EP
  type: MusicAlbum
  date published: 2014-04-25
album: Noize
  type: MusicAlbum
  date published: 2014-04-25
album: Noize
  type: MusicAlbum
  date published: 2014-04-25
album: Noize EP
  type: MusicAlbum
  date published: 2014-05-19
album: With You
  type: MusicAlbum
  date published: 2014-06-20
album: With You
  type: MusicAlbum
  date published: 2014-06-20
album: With You
  type: MusicAlbum
  date published: 2014-06-20
album: Chill EP
  type: MusicAlbum
  date published: 2014-06-27
album: With You (Feat. Empas)
  type: MusicAlbum
  date published: 2014-07-01
album: Chill EP
  type: MusicAlbum
  date published: 2014-07-07
album: With You (feat. Empas)
  type: MusicAlbum
  date published: 2014-07-07
album: District #4
  type: MusicAlbum
  date published: 2015-04-06
album: Bright Side
  type: MusicAlbum
  date published: 2015-08-26
album: About Thong
  type: MusicAlbum
  date published: 2016-01-28
album: About Thong
  type: MusicAlbum
  date published: 2016-01-28
album: With You (Club Mix)
  type: MusicAlbum
  date published: 2016-02-11
album: Jackie's Piano
  type: MusicAlbum
  date published: 2016-03-18
album: Welcome Back
  type: MusicAlbum
  date published: 2017-07-24
album: Welcome Back
  type: MusicAlbum
  date published: 2017-07-24
album: About Thong
  type: MusicAlbum
  date published: 2024-09-20