Køpflos
type: MusicGroup
genre: hard techno
popularity: 4
followers: 283
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa2a64665c2abb088fcb48d336dc9832bd94701f5f5f532b822dcd3219aa7ac1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953851
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953851
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/01589652-2a5d-47b6-8cae-409b243b061c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/01589652-2a5d-47b6-8cae-409b243b061c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/01589652-2a5d-47b6-8cae-409b243b061c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:06:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfa2a64665c2abb088fcb48d336dc9832bd94701f5f5f532b822dcd3219aa7ac1","name":"Køpflos","registered_at":"2026-06-15T14:11:17Z","symbol":"NIM0732900","token_address":"0x51ba29b439e2c996a1bd3a7ff38450703f55950a","type":"artist","uuid":"01589652-2a5d-47b6-8cae-409b243b061c"}
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 0xfa2a64665c2abb088fcb48d336dc9832bd94701f5f5f532b822dcd3219aa7ac1. Chain 2 (Bitcoin): anchored in block 953852 (2026-06-15T23:13:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/01589652-2a5d-47b6-8cae-409b243b061c.json and https://artists.proofprofile.net/proofs/artist/01589652-2a5d-47b6-8cae-409b243b061c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T23:13:02Z
  text: {"copyright_id":"0xfa2a64665c2abb088fcb48d336dc9832bd94701f5f5f532b822dcd3219aa7ac1","name":"Køpflos","registered_at":"2026-06-15T14:11:17Z","symbol":"NIM0732900","token_address":"0x51ba29b439e2c996a1bd3a7ff38450703f55950a","type":"artist","uuid":"01589652-2a5d-47b6-8cae-409b243b061c"}
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