August Zirner
type: MusicGroup
description: thumb|August Zirner at the Romy TV awards (Hofburg Imperial Palace in Vienna) August Zirner (born 7 January 1956) is an American-Austrian actor, who starred in over 60 film productions. He is one of
popularity: 19
followers: 128
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b67b7ebe4d6fb75d397e98552a57fedd8a27d0db0c119f381adb7860d50de3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953772
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7f0b762-9612-43dc-a28b-e1da2d073abd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7f0b762-9612-43dc-a28b-e1da2d073abd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c7f0b762-9612-43dc-a28b-e1da2d073abd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T10:33:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7b67b7ebe4d6fb75d397e98552a57fedd8a27d0db0c119f381adb7860d50de3d","name":"August Zirner","registered_at":"2026-06-15T01:28:00Z","symbol":"NIM0639022","token_address":"0x08440d632a57e341dbe66baf228481e60a16dcfd","type":"artist","uuid":"c7f0b762-9612-43dc-a28b-e1da2d073abd"}
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 0x7b67b7ebe4d6fb75d397e98552a57fedd8a27d0db0c119f381adb7860d50de3d. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c7f0b762-9612-43dc-a28b-e1da2d073abd.json and https://artists.proofprofile.net/proofs/artist/c7f0b762-9612-43dc-a28b-e1da2d073abd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0x7b67b7ebe4d6fb75d397e98552a57fedd8a27d0db0c119f381adb7860d50de3d","name":"August Zirner","registered_at":"2026-06-15T01:28:00Z","symbol":"NIM0639022","token_address":"0x08440d632a57e341dbe66baf228481e60a16dcfd","type":"artist","uuid":"c7f0b762-9612-43dc-a28b-e1da2d073abd"}
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  type: MusicAlbum
  date published: 2022-10-14
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  type: MusicAlbum
  date published: 2022-10-14