Zespół Muzyki Dawnej Perfugium
type: MusicGroup
popularity: 4
followers: 317
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x733016ec60de3bfeb3e36dc522c1f5aa966fb7be5eaa6c471449a50a54bbe0fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b91cdddc-8325-4f3c-a97a-c011aed6b4d0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b91cdddc-8325-4f3c-a97a-c011aed6b4d0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b91cdddc-8325-4f3c-a97a-c011aed6b4d0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x733016ec60de3bfeb3e36dc522c1f5aa966fb7be5eaa6c471449a50a54bbe0fc","name":"Zespół Muzyki Dawnej Perfugium","registered_at":"2026-06-20T16:11:01Z","symbol":"NIM1650117","token_address":"0x3bd854178d3e9677f913b0fcbf711a2f975e6af6","type":"artist","uuid":"b91cdddc-8325-4f3c-a97a-c011aed6b4d0"}
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 0x733016ec60de3bfeb3e36dc522c1f5aa966fb7be5eaa6c471449a50a54bbe0fc. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b91cdddc-8325-4f3c-a97a-c011aed6b4d0.json and https://artists.proofprofile.net/proofs/artist/b91cdddc-8325-4f3c-a97a-c011aed6b4d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:10:41Z
  text: {"copyright_id":"0x733016ec60de3bfeb3e36dc522c1f5aa966fb7be5eaa6c471449a50a54bbe0fc","name":"Zespół Muzyki Dawnej Perfugium","registered_at":"2026-06-20T16:11:01Z","symbol":"NIM1650117","token_address":"0x3bd854178d3e9677f913b0fcbf711a2f975e6af6","type":"artist","uuid":"b91cdddc-8325-4f3c-a97a-c011aed6b4d0"}
album: Kraków - Pępek świata
  type: MusicAlbum
  date published: 2018-09-26