Qumar Bandz
type: MusicGroup
genre: funky house
popularity: 2
followers: 41
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7edf9d295a6a2809bd448e8544b884fa13b73983e33d727d621f59d56c3e6fd1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7914a573-7e3e-4864-9321-003f08e6431f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7914a573-7e3e-4864-9321-003f08e6431f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7914a573-7e3e-4864-9321-003f08e6431f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7edf9d295a6a2809bd448e8544b884fa13b73983e33d727d621f59d56c3e6fd1","name":"Qumar Bandz","registered_at":"2026-06-17T07:51:52Z","symbol":"NIM1329633","token_address":"0xb421fc7fc645b52cb379b70227dbc51c38514e91","type":"artist","uuid":"7914a573-7e3e-4864-9321-003f08e6431f"}
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 0x7edf9d295a6a2809bd448e8544b884fa13b73983e33d727d621f59d56c3e6fd1. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7914a573-7e3e-4864-9321-003f08e6431f.json and https://artists.proofprofile.net/proofs/artist/7914a573-7e3e-4864-9321-003f08e6431f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x7edf9d295a6a2809bd448e8544b884fa13b73983e33d727d621f59d56c3e6fd1","name":"Qumar Bandz","registered_at":"2026-06-17T07:51:52Z","symbol":"NIM1329633","token_address":"0xb421fc7fc645b52cb379b70227dbc51c38514e91","type":"artist","uuid":"7914a573-7e3e-4864-9321-003f08e6431f"}
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