Det Var
type: MusicGroup
genre: neofolk
popularity: 4
followers: 698
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c5f9813e68e2930f00ad1a86fcc9e8784f37c3800e459fce07eda6db190b4f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ed99346f-4e01-483e-b077-51d8484ff38c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ed99346f-4e01-483e-b077-51d8484ff38c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ed99346f-4e01-483e-b077-51d8484ff38c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8c5f9813e68e2930f00ad1a86fcc9e8784f37c3800e459fce07eda6db190b4f9","name":"Det Var","registered_at":"2026-06-21T11:35:31Z","symbol":"NIM1913615","token_address":"0x657490ad1672c4ffe1461c8d3bb48bae7422e860","type":"artist","uuid":"ed99346f-4e01-483e-b077-51d8484ff38c"}
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 0x8c5f9813e68e2930f00ad1a86fcc9e8784f37c3800e459fce07eda6db190b4f9. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ed99346f-4e01-483e-b077-51d8484ff38c.json and https://artists.proofprofile.net/proofs/artist/ed99346f-4e01-483e-b077-51d8484ff38c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x8c5f9813e68e2930f00ad1a86fcc9e8784f37c3800e459fce07eda6db190b4f9","name":"Det Var","registered_at":"2026-06-21T11:35:31Z","symbol":"NIM1913615","token_address":"0x657490ad1672c4ffe1461c8d3bb48bae7422e860","type":"artist","uuid":"ed99346f-4e01-483e-b077-51d8484ff38c"}
album: Vergen
  type: MusicAlbum
  date published: 2021-12-16
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  type: MusicAlbum
  date published: 2022-01-18
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  type: MusicAlbum
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  type: MusicAlbum
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