DAVID BLK
type: MusicGroup
genre: bass house
popularity: 11
followers: 789
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb4c88eace38b8d1c1cecca87d80d3da77789be147dd57765b13b8ef2c22042ae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953699
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953699
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5cae502f-f66f-4acb-8cc9-2adfb8039bd2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5cae502f-f66f-4acb-8cc9-2adfb8039bd2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5cae502f-f66f-4acb-8cc9-2adfb8039bd2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T22:00:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb4c88eace38b8d1c1cecca87d80d3da77789be147dd57765b13b8ef2c22042ae","name":"DAVID BLK","registered_at":"2026-06-14T14:09:41Z","symbol":"NIM0477178","token_address":"0x773e30669cced69df84f23705b0b970b68ed8281","type":"artist","uuid":"5cae502f-f66f-4acb-8cc9-2adfb8039bd2"}
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 0xb4c88eace38b8d1c1cecca87d80d3da77789be147dd57765b13b8ef2c22042ae. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5cae502f-f66f-4acb-8cc9-2adfb8039bd2.json and https://artists.proofprofile.net/proofs/artist/5cae502f-f66f-4acb-8cc9-2adfb8039bd2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
  text: {"copyright_id":"0xb4c88eace38b8d1c1cecca87d80d3da77789be147dd57765b13b8ef2c22042ae","name":"DAVID BLK","registered_at":"2026-06-14T14:09:41Z","symbol":"NIM0477178","token_address":"0x773e30669cced69df84f23705b0b970b68ed8281","type":"artist","uuid":"5cae502f-f66f-4acb-8cc9-2adfb8039bd2"}
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