Lone Drum
type: MusicGroup
popularity: 20
followers: 1252
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6d0b55c62c1aa5de07439145c72cec64e633e2f43a066a6c254b16dc440e9b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953687
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953687
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6a47ada7-e79d-4008-aaf3-4384c9025512.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6a47ada7-e79d-4008-aaf3-4384c9025512.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6a47ada7-e79d-4008-aaf3-4384c9025512
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T20:19:15Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc6d0b55c62c1aa5de07439145c72cec64e633e2f43a066a6c254b16dc440e9b8","name":"Lone Drum","registered_at":"2026-06-14T15:35:46Z","symbol":"NIM0497727","token_address":"0x26a47a5a639e9754aa37932d9e7588c9ccdc75d2","type":"artist","uuid":"6a47ada7-e79d-4008-aaf3-4384c9025512"}
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 0xc6d0b55c62c1aa5de07439145c72cec64e633e2f43a066a6c254b16dc440e9b8. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6a47ada7-e79d-4008-aaf3-4384c9025512.json and https://artists.proofprofile.net/proofs/artist/6a47ada7-e79d-4008-aaf3-4384c9025512.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T20:19:15Z
  text: {"copyright_id":"0xc6d0b55c62c1aa5de07439145c72cec64e633e2f43a066a6c254b16dc440e9b8","name":"Lone Drum","registered_at":"2026-06-14T15:35:46Z","symbol":"NIM0497727","token_address":"0x26a47a5a639e9754aa37932d9e7588c9ccdc75d2","type":"artist","uuid":"6a47ada7-e79d-4008-aaf3-4384c9025512"}
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