Szymon Drabkowski
type: MusicGroup
popularity: 24
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb92d48cec72e343cbd026c5337b568bf269a443744d92ae5edf0a3ff633d4bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b7d9dd63-b484-451c-bdf5-0cc28885af2a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b7d9dd63-b484-451c-bdf5-0cc28885af2a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b7d9dd63-b484-451c-bdf5-0cc28885af2a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeb92d48cec72e343cbd026c5337b568bf269a443744d92ae5edf0a3ff633d4bd","name":"Szymon Drabkowski","registered_at":"2026-06-12T08:02:20Z","symbol":"NIM0236152","token_address":"0xe6598869c7288fdb2ea7f9e684c44460e66b1e46","type":"artist","uuid":"b7d9dd63-b484-451c-bdf5-0cc28885af2a"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb92d48cec72e343cbd026c5337b568bf269a443744d92ae5edf0a3ff633d4bd. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b7d9dd63-b484-451c-bdf5-0cc28885af2a.json and https://artists.proofprofile.net/proofs/artist/b7d9dd63-b484-451c-bdf5-0cc28885af2a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xeb92d48cec72e343cbd026c5337b568bf269a443744d92ae5edf0a3ff633d4bd","name":"Szymon Drabkowski","registered_at":"2026-06-12T08:02:20Z","symbol":"NIM0236152","token_address":"0xe6598869c7288fdb2ea7f9e684c44460e66b1e46","type":"artist","uuid":"b7d9dd63-b484-451c-bdf5-0cc28885af2a"}