Dorota Piotrowska
type: MusicGroup
popularity: 11
followers: 15
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbf5111dc399813afd18a6c4646d7d8f82803c87876c57e2ee7839266d4c9104
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953714
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953714
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7ff6451e-3613-4b97-91b2-ae7ef9a75ef2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7ff6451e-3613-4b97-91b2-ae7ef9a75ef2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7ff6451e-3613-4b97-91b2-ae7ef9a75ef2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T00:43:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfbf5111dc399813afd18a6c4646d7d8f82803c87876c57e2ee7839266d4c9104","name":"Dorota Piotrowska","registered_at":"2026-06-14T17:55:21Z","symbol":"NIM0530991","token_address":"0x253e40471dffc90818d97fe72a8b9a3874ad0c51","type":"artist","uuid":"7ff6451e-3613-4b97-91b2-ae7ef9a75ef2"}
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 0xfbf5111dc399813afd18a6c4646d7d8f82803c87876c57e2ee7839266d4c9104. Chain 2 (Bitcoin): anchored in block 953714 (2026-06-15T00:43:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7ff6451e-3613-4b97-91b2-ae7ef9a75ef2.json and https://artists.proofprofile.net/proofs/artist/7ff6451e-3613-4b97-91b2-ae7ef9a75ef2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T00:43:59Z
  text: {"copyright_id":"0xfbf5111dc399813afd18a6c4646d7d8f82803c87876c57e2ee7839266d4c9104","name":"Dorota Piotrowska","registered_at":"2026-06-14T17:55:21Z","symbol":"NIM0530991","token_address":"0x253e40471dffc90818d97fe72a8b9a3874ad0c51","type":"artist","uuid":"7ff6451e-3613-4b97-91b2-ae7ef9a75ef2"}