Fritz Karl
type: MusicGroup
description: Fritz Karl (born 21 December 1967) is an Austrian film, television and stage actor born in Gmunden, Upper Austria. He is one of the busiest Austrian actors. Private life Karl lives in both Munich and
popularity: 2
followers: 45
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4b35b28aed13aabb4fd71889a883b0c316b12016655e143ea41333a70f285f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954615
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954615
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4d10605-22c3-4fac-a5ba-78a8e60fd007.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4d10605-22c3-4fac-a5ba-78a8e60fd007.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c4d10605-22c3-4fac-a5ba-78a8e60fd007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T22:44:50Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa4b35b28aed13aabb4fd71889a883b0c316b12016655e143ea41333a70f285f5","name":"Fritz Karl","registered_at":"2026-06-20T20:47:10Z","symbol":"NIM1708634","token_address":"0x3a9f638795647e5b8dcc1d3722ebf9f114c48a9e","type":"artist","uuid":"c4d10605-22c3-4fac-a5ba-78a8e60fd007"}
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 0xa4b35b28aed13aabb4fd71889a883b0c316b12016655e143ea41333a70f285f5. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c4d10605-22c3-4fac-a5ba-78a8e60fd007.json and https://artists.proofprofile.net/proofs/artist/c4d10605-22c3-4fac-a5ba-78a8e60fd007.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T22:44:50Z
  text: {"copyright_id":"0xa4b35b28aed13aabb4fd71889a883b0c316b12016655e143ea41333a70f285f5","name":"Fritz Karl","registered_at":"2026-06-20T20:47:10Z","symbol":"NIM1708634","token_address":"0x3a9f638795647e5b8dcc1d3722ebf9f114c48a9e","type":"artist","uuid":"c4d10605-22c3-4fac-a5ba-78a8e60fd007"}