Trond Kirkvaag
type: MusicGroup
genre: children's music
description: Trond Georg Kirkvaag (21 June 1946 – 16 November 2007) was a Norwegian comedian, actor, impressionist, screenwriter, author, director and television host. During his 39 years at the Norwegian TV netwo
popularity: 4
followers: 20
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x747adf712ebe7e7621f29c3020375e5288c11cfbec76343b1db137a3a7dde714
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954134
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954134
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7f3eeb2e-cb57-481c-939f-38000fc4e2ec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7f3eeb2e-cb57-481c-939f-38000fc4e2ec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7f3eeb2e-cb57-481c-939f-38000fc4e2ec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:41:05Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x747adf712ebe7e7621f29c3020375e5288c11cfbec76343b1db137a3a7dde714","name":"Trond Kirkvaag","registered_at":"2026-06-17T09:56:29Z","symbol":"NIM1359353","token_address":"0xc4a3c46ad4e4c9d23167aa3523a85d878bd13290","type":"artist","uuid":"7f3eeb2e-cb57-481c-939f-38000fc4e2ec"}
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 0x747adf712ebe7e7621f29c3020375e5288c11cfbec76343b1db137a3a7dde714. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7f3eeb2e-cb57-481c-939f-38000fc4e2ec.json and https://artists.proofprofile.net/proofs/artist/7f3eeb2e-cb57-481c-939f-38000fc4e2ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x747adf712ebe7e7621f29c3020375e5288c11cfbec76343b1db137a3a7dde714","name":"Trond Kirkvaag","registered_at":"2026-06-17T09:56:29Z","symbol":"NIM1359353","token_address":"0xc4a3c46ad4e4c9d23167aa3523a85d878bd13290","type":"artist","uuid":"7f3eeb2e-cb57-481c-939f-38000fc4e2ec"}
album: Min Første CD
  type: MusicAlbum
  date published: 1999-06-16