Marcin Przybylski
type: MusicGroup
genre: trance
popularity: 2
followers: 104
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a5bb3c6406cc3e78b5962f7a3a7724b815596f6f3be7da672d1613b78a5d611
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954139
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954139
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fef98c6-78fd-45b1-9b02-703c10e72270.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fef98c6-78fd-45b1-9b02-703c10e72270.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7fef98c6-78fd-45b1-9b02-703c10e72270
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T21:12:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0a5bb3c6406cc3e78b5962f7a3a7724b815596f6f3be7da672d1613b78a5d611","name":"Marcin Przybylski","registered_at":"2026-06-17T10:15:46Z","symbol":"NIM1363951","token_address":"0x14a59d83224a326cbaeb3783e61c5c6e5d83954f","type":"artist","uuid":"7fef98c6-78fd-45b1-9b02-703c10e72270"}
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 0x0a5bb3c6406cc3e78b5962f7a3a7724b815596f6f3be7da672d1613b78a5d611. Chain 2 (Bitcoin): anchored in block 954141 (2026-06-17T21:14:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7fef98c6-78fd-45b1-9b02-703c10e72270.json and https://artists.proofprofile.net/proofs/artist/7fef98c6-78fd-45b1-9b02-703c10e72270.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T21:14:35Z
  text: {"copyright_id":"0x0a5bb3c6406cc3e78b5962f7a3a7724b815596f6f3be7da672d1613b78a5d611","name":"Marcin Przybylski","registered_at":"2026-06-17T10:15:46Z","symbol":"NIM1363951","token_address":"0x14a59d83224a326cbaeb3783e61c5c6e5d83954f","type":"artist","uuid":"7fef98c6-78fd-45b1-9b02-703c10e72270"}
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