VD Quan
type: MusicGroup
popularity: 4
followers: 151
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c02b5d0184815a0e5485a29ba4cd8882e5ea6d7b0d24803e16de74e3de8f087
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954516
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954516
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a0ae440f-32ba-433d-a5fd-428e5af2f191.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a0ae440f-32ba-433d-a5fd-428e5af2f191.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a0ae440f-32ba-433d-a5fd-428e5af2f191
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T07:04:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5c02b5d0184815a0e5485a29ba4cd8882e5ea6d7b0d24803e16de74e3de8f087","name":"VD Quan","registered_at":"2026-06-20T05:21:43Z","symbol":"NIM1524751","token_address":"0xd4590ed954a29e1b78dc66e4c072ae6d02b64f83","type":"artist","uuid":"a0ae440f-32ba-433d-a5fd-428e5af2f191"}
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 0x5c02b5d0184815a0e5485a29ba4cd8882e5ea6d7b0d24803e16de74e3de8f087. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a0ae440f-32ba-433d-a5fd-428e5af2f191.json and https://artists.proofprofile.net/proofs/artist/a0ae440f-32ba-433d-a5fd-428e5af2f191.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
  text: {"copyright_id":"0x5c02b5d0184815a0e5485a29ba4cd8882e5ea6d7b0d24803e16de74e3de8f087","name":"VD Quan","registered_at":"2026-06-20T05:21:43Z","symbol":"NIM1524751","token_address":"0xd4590ed954a29e1b78dc66e4c072ae6d02b64f83","type":"artist","uuid":"a0ae440f-32ba-433d-a5fd-428e5af2f191"}
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