Sławomir Świerzyński
type: MusicGroup
genre: disco polo
popularity: 9
followers: 305
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xccfc65e763fb5293162ee854be020b38e60730d01027e5ef4416d3073a143e9c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7130f6a5-dad8-433e-b568-922d0536c79a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7130f6a5-dad8-433e-b568-922d0536c79a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7130f6a5-dad8-433e-b568-922d0536c79a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xccfc65e763fb5293162ee854be020b38e60730d01027e5ef4416d3073a143e9c","name":"Sławomir Świerzyński","registered_at":"2026-06-17T05:01:40Z","symbol":"NIM1289061","token_address":"0xfdcae86f5815022520d6b4d7789eeb82b6bc51d8","type":"artist","uuid":"7130f6a5-dad8-433e-b568-922d0536c79a"}
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 0xccfc65e763fb5293162ee854be020b38e60730d01027e5ef4416d3073a143e9c. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7130f6a5-dad8-433e-b568-922d0536c79a.json and https://artists.proofprofile.net/proofs/artist/7130f6a5-dad8-433e-b568-922d0536c79a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xccfc65e763fb5293162ee854be020b38e60730d01027e5ef4416d3073a143e9c","name":"Sławomir Świerzyński","registered_at":"2026-06-17T05:01:40Z","symbol":"NIM1289061","token_address":"0xfdcae86f5815022520d6b4d7789eeb82b6bc51d8","type":"artist","uuid":"7130f6a5-dad8-433e-b568-922d0536c79a"}
album: Kawalerski duch
  type: MusicAlbum
  date published: 2000
album: POLO Wiersze - Władysław Bełza - Kim też ja będę?
  type: MusicAlbum
  date published: 2017-05-18
album: POLO Wiersze - Władysław Bełza - Katechizm polskiego dziecka
  type: MusicAlbum
  date published: 2017-05-18
album: POLO Wiersze - Józef Ignacy Kraszewski - Dziad i Baba
  type: MusicAlbum
  date published: 2017-05-18
album: POLO Wiersze - Adam Mickiewicz - Przyjaciele
  type: MusicAlbum
  date published: 2017-05-18
album: POLO Wiersze - Maria Konopnicka - Jak szła Wisła do morza
  type: MusicAlbum
  date published: 2017-05-18
album: POLO Wiersze - Julian Tuwim - Lokomotywa
  type: MusicAlbum
  date published: 2017-05-18