Filip Lange-Nielsen
type: MusicGroup
popularity: 2
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3649c420bc5088144be9e494c87602e226ce645597adbcc708698d5a5cd9705
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7af15c53-2211-4932-a717-0e247bf71095.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7af15c53-2211-4932-a717-0e247bf71095.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7af15c53-2211-4932-a717-0e247bf71095
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:07:14Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc3649c420bc5088144be9e494c87602e226ce645597adbcc708698d5a5cd9705","name":"Filip Lange-Nielsen","registered_at":"2026-06-17T08:52:04Z","symbol":"NIM1343975","token_address":"0xa25945abb69c68639c278163caf23066ff373bbc","type":"artist","uuid":"7af15c53-2211-4932-a717-0e247bf71095"}
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 0xc3649c420bc5088144be9e494c87602e226ce645597adbcc708698d5a5cd9705. 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/7af15c53-2211-4932-a717-0e247bf71095.json and https://artists.proofprofile.net/proofs/artist/7af15c53-2211-4932-a717-0e247bf71095.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0xc3649c420bc5088144be9e494c87602e226ce645597adbcc708698d5a5cd9705","name":"Filip Lange-Nielsen","registered_at":"2026-06-17T08:52:04Z","symbol":"NIM1343975","token_address":"0xa25945abb69c68639c278163caf23066ff373bbc","type":"artist","uuid":"7af15c53-2211-4932-a717-0e247bf71095"}