Black Melody
type: MusicGroup
popularity: 17
followers: 2
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5ea9740f09ea44a5fe0c57ea14b8b3c6c6e18550ddd0157442a638899163d83
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953791
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953791
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd2ca4b2-6639-45f8-a14e-4022a42ad7c3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd2ca4b2-6639-45f8-a14e-4022a42ad7c3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dd2ca4b2-6639-45f8-a14e-4022a42ad7c3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:40:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf5ea9740f09ea44a5fe0c57ea14b8b3c6c6e18550ddd0157442a638899163d83","name":"Black Melody","registered_at":"2026-06-15T03:40:37Z","symbol":"NIM0670683","token_address":"0x3c5cb9d2f9987382417a4c5ef81848eb475fd511","type":"artist","uuid":"dd2ca4b2-6639-45f8-a14e-4022a42ad7c3"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5ea9740f09ea44a5fe0c57ea14b8b3c6c6e18550ddd0157442a638899163d83. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd2ca4b2-6639-45f8-a14e-4022a42ad7c3.json and https://artists.proofprofile.net/proofs/artist/dd2ca4b2-6639-45f8-a14e-4022a42ad7c3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T13:40:30Z
  text: {"copyright_id":"0xf5ea9740f09ea44a5fe0c57ea14b8b3c6c6e18550ddd0157442a638899163d83","name":"Black Melody","registered_at":"2026-06-15T03:40:37Z","symbol":"NIM0670683","token_address":"0x3c5cb9d2f9987382417a4c5ef81848eb475fd511","type":"artist","uuid":"dd2ca4b2-6639-45f8-a14e-4022a42ad7c3"}