Rafał Porzeziński
type: MusicGroup
popularity: 3
followers: 13
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4bbe9b1e5a5a24c529da380a29f9177fb0d2a3c2e2dd0c16e22439330c74a520
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953970
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953970
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a525a18-29c6-486a-aa9f-7f8f51234bf3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a525a18-29c6-486a-aa9f-7f8f51234bf3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2a525a18-29c6-486a-aa9f-7f8f51234bf3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:09:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4bbe9b1e5a5a24c529da380a29f9177fb0d2a3c2e2dd0c16e22439330c74a520","name":"Rafał Porzeziński","registered_at":"2026-06-16T04:15:07Z","symbol":"NIM0934298","token_address":"0x9c054cca61bd38c16727c966894388842c052677","type":"artist","uuid":"2a525a18-29c6-486a-aa9f-7f8f51234bf3"}
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 0x4bbe9b1e5a5a24c529da380a29f9177fb0d2a3c2e2dd0c16e22439330c74a520. Chain 2 (Bitcoin): anchored in block 953970 (2026-06-16T16:09:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a525a18-29c6-486a-aa9f-7f8f51234bf3.json and https://artists.proofprofile.net/proofs/artist/2a525a18-29c6-486a-aa9f-7f8f51234bf3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T16:09:39Z
  text: {"copyright_id":"0x4bbe9b1e5a5a24c529da380a29f9177fb0d2a3c2e2dd0c16e22439330c74a520","name":"Rafał Porzeziński","registered_at":"2026-06-16T04:15:07Z","symbol":"NIM0934298","token_address":"0x9c054cca61bd38c16727c966894388842c052677","type":"artist","uuid":"2a525a18-29c6-486a-aa9f-7f8f51234bf3"}