Arntzen
type: MusicGroup
genre: russelåter
description: Arntzen is a surname. Notable people with the surname include: Andrea Arntzen (1875–1958), Norwegian nursing teacher Andreas Arntzen (1777–1837), Norwegian politician Andreas Arntzen (barrister) (192
popularity: 12
followers: 34
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf322859c87a78d6718f3d336ea4aa79e4389543f42d0a94f7550701e4032a1dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953827
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953827
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e4dcdc3f-24c6-4646-a702-84fb6c6d13be.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e4dcdc3f-24c6-4646-a702-84fb6c6d13be.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e4dcdc3f-24c6-4646-a702-84fb6c6d13be
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T19:59:56Z
additional property: OTSCanonicalRecord
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 0xf322859c87a78d6718f3d336ea4aa79e4389543f42d0a94f7550701e4032a1dd. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e4dcdc3f-24c6-4646-a702-84fb6c6d13be.json and https://artists.proofprofile.net/proofs/artist/e4dcdc3f-24c6-4646-a702-84fb6c6d13be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
album: Ruller med skøyter (Pilzheimers)
  type: MusicAlbum
  date published: 2025-02-21
album: Hørte Fra Bror (Snoppen)
  type: MusicAlbum
  date published: 2025-04-11