Fiendens Musik
type: MusicGroup
description: Fiendens musik ("The music of the enemy") was a rock band founded in Lund in 1977 by Mats Zetterberg and Mats Bäcker. They began as a coverband and rapidly progressed when they began writing their ow
popularity: 4
followers: 442
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x77f39415feda5c1a97aa924a34684e4a257a94db6f6068b052ebee37a5508bf6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953875
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953875
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0767df07-8ab4-42bb-938c-b936c67bdb59.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0767df07-8ab4-42bb-938c-b936c67bdb59.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0767df07-8ab4-42bb-938c-b936c67bdb59
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:12:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x77f39415feda5c1a97aa924a34684e4a257a94db6f6068b052ebee37a5508bf6","name":"Fiendens Musik","registered_at":"2026-06-15T16:19:55Z","symbol":"NIM0763603","token_address":"0x55991d52b96d7bbdf011498c8611b11bcd84d890","type":"artist","uuid":"0767df07-8ab4-42bb-938c-b936c67bdb59"}
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 0x77f39415feda5c1a97aa924a34684e4a257a94db6f6068b052ebee37a5508bf6. Chain 2 (Bitcoin): anchored in block 953875 (2026-06-16T02:12:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0767df07-8ab4-42bb-938c-b936c67bdb59.json and https://artists.proofprofile.net/proofs/artist/0767df07-8ab4-42bb-938c-b936c67bdb59.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:12:46Z
  text: {"copyright_id":"0x77f39415feda5c1a97aa924a34684e4a257a94db6f6068b052ebee37a5508bf6","name":"Fiendens Musik","registered_at":"2026-06-15T16:19:55Z","symbol":"NIM0763603","token_address":"0x55991d52b96d7bbdf011498c8611b11bcd84d890","type":"artist","uuid":"0767df07-8ab4-42bb-938c-b936c67bdb59"}
album: Moderata Brudar
  type: MusicAlbum
  date published: 1979
album: Musik Mot Gryningen
  type: MusicAlbum
  date published: 1981
album: Musik Mot Gryningen
  type: MusicAlbum
  date published: 1981-12-07
album: En spark rätt i skallen
  type: MusicAlbum
  date published: 2004-08-08
album: Pappa har alltid haft rätt...
  type: MusicAlbum
  date published: 2004-08-08
album: Fiendens Musik
  type: MusicAlbum
  date published: 2004-08-08
album: Häftiga Hästen & Andra Äventyr
  type: MusicAlbum
  date published: 2013-06-01