Josef Karlik
type: MusicGroup
genre: spoken word
popularity: 11
followers: 2
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d3dd09843185dbce77a7ddc5363c455a9edf07f53fd8b4f93de13cd77e2d2a0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953768
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953768
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c299ce13-20ce-438c-b991-910b7e634b8b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c299ce13-20ce-438c-b991-910b7e634b8b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c299ce13-20ce-438c-b991-910b7e634b8b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:30:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1d3dd09843185dbce77a7ddc5363c455a9edf07f53fd8b4f93de13cd77e2d2a0","name":"Josef Karlik","registered_at":"2026-06-15T00:58:46Z","symbol":"NIM0632033","token_address":"0xe9a9e26079c4182d86bf39cac1fa7b6fb54f9a3c","type":"artist","uuid":"c299ce13-20ce-438c-b991-910b7e634b8b"}
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 0x1d3dd09843185dbce77a7ddc5363c455a9edf07f53fd8b4f93de13cd77e2d2a0. Chain 2 (Bitcoin): anchored in block 953768 (2026-06-15T09:30:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c299ce13-20ce-438c-b991-910b7e634b8b.json and https://artists.proofprofile.net/proofs/artist/c299ce13-20ce-438c-b991-910b7e634b8b.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T09:30:06Z
  text: {"copyright_id":"0x1d3dd09843185dbce77a7ddc5363c455a9edf07f53fd8b4f93de13cd77e2d2a0","name":"Josef Karlik","registered_at":"2026-06-15T00:58:46Z","symbol":"NIM0632033","token_address":"0xe9a9e26079c4182d86bf39cac1fa7b6fb54f9a3c","type":"artist","uuid":"c299ce13-20ce-438c-b991-910b7e634b8b"}