Hank Drum
type: MusicGroup
popularity: 23
followers: 281
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9feda6e21dc0ee1976c5c65d014c7aa9d8279c647e0818b40f5618ec9f6f2866
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ca331be2-36e8-484b-9136-dd1c2a14bc9d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ca331be2-36e8-484b-9136-dd1c2a14bc9d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ca331be2-36e8-484b-9136-dd1c2a14bc9d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9feda6e21dc0ee1976c5c65d014c7aa9d8279c647e0818b40f5618ec9f6f2866","name":"Hank Drum","registered_at":"2026-06-12T09:50:37Z","symbol":"NIM0261331","token_address":"0x4bd485305b0c1bf9834fc5421072b8f3c2b317b4","type":"artist","uuid":"ca331be2-36e8-484b-9136-dd1c2a14bc9d"}
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 0x9feda6e21dc0ee1976c5c65d014c7aa9d8279c647e0818b40f5618ec9f6f2866. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ca331be2-36e8-484b-9136-dd1c2a14bc9d.json and https://artists.proofprofile.net/proofs/artist/ca331be2-36e8-484b-9136-dd1c2a14bc9d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x9feda6e21dc0ee1976c5c65d014c7aa9d8279c647e0818b40f5618ec9f6f2866","name":"Hank Drum","registered_at":"2026-06-12T09:50:37Z","symbol":"NIM0261331","token_address":"0x4bd485305b0c1bf9834fc5421072b8f3c2b317b4","type":"artist","uuid":"ca331be2-36e8-484b-9136-dd1c2a14bc9d"}
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