Paul Urbanek
type: MusicGroup
genre: vocal jazz
popularity: 4
followers: 67
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7f6e99b673fbf590fd3c9e55aec1acdf0c08033cc36afcd8b960d8702c6a7d2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/87ae9ef3-474d-47cb-9dd7-6bf8ccdcd6d0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/87ae9ef3-474d-47cb-9dd7-6bf8ccdcd6d0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/87ae9ef3-474d-47cb-9dd7-6bf8ccdcd6d0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7f6e99b673fbf590fd3c9e55aec1acdf0c08033cc36afcd8b960d8702c6a7d2d","name":"Paul Urbanek","registered_at":"2026-06-17T13:18:50Z","symbol":"NIM1407514","token_address":"0x0cdb04ca454341fc5d9226577d061737d058f323","type":"artist","uuid":"87ae9ef3-474d-47cb-9dd7-6bf8ccdcd6d0"}
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 0x7f6e99b673fbf590fd3c9e55aec1acdf0c08033cc36afcd8b960d8702c6a7d2d. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87ae9ef3-474d-47cb-9dd7-6bf8ccdcd6d0.json and https://artists.proofprofile.net/proofs/artist/87ae9ef3-474d-47cb-9dd7-6bf8ccdcd6d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x7f6e99b673fbf590fd3c9e55aec1acdf0c08033cc36afcd8b960d8702c6a7d2d","name":"Paul Urbanek","registered_at":"2026-06-17T13:18:50Z","symbol":"NIM1407514","token_address":"0x0cdb04ca454341fc5d9226577d061737d058f323","type":"artist","uuid":"87ae9ef3-474d-47cb-9dd7-6bf8ccdcd6d0"}
album: The Hans Koller Concept 2
  type: MusicAlbum
  date published: 2002-07-21
album: Standards, Vol. 1
  type: MusicAlbum
  date published: 2016-04-01
album: Standards, Vol. 1
  type: MusicAlbum
  date published: 2016-04-01
album: The Next Generation of Sound, Chapter 2 "The Other Armstrong"
  type: MusicAlbum
  date published: 2020-04-03
album: The Next Generation of Sound, Chapter 2 "The Other Armstrong"
  type: MusicAlbum
  date published: 2020-04-03
album: Standards, Vol. 2 "The Trio"
  type: MusicAlbum
  date published: 2024-08-16
album: Standards Volume 3 - "The Quartett"
  type: MusicAlbum
  date published: 2025-08-29