Hoàng Nghi Lâm
type: MusicGroup
genre: vinahouse
genre: v-pop
popularity: 3
followers: 6
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83bfef5f8d7af5f8360ad58dc9e885acae47696e542c1aeebdce1f6ee9d74b63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12cc3060-4a02-4c23-a781-985df17e7a2d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12cc3060-4a02-4c23-a781-985df17e7a2d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/12cc3060-4a02-4c23-a781-985df17e7a2d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x83bfef5f8d7af5f8360ad58dc9e885acae47696e542c1aeebdce1f6ee9d74b63","name":"Hoàng Nghi Lâm","registered_at":"2026-06-15T20:02:48Z","symbol":"NIM0816775","token_address":"0x91b82c8b417ebf0d4428e060cc7bda839fcd4dfc","type":"artist","uuid":"12cc3060-4a02-4c23-a781-985df17e7a2d"}
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 0x83bfef5f8d7af5f8360ad58dc9e885acae47696e542c1aeebdce1f6ee9d74b63. Chain 2 (Bitcoin): anchored in block 953899 (2026-06-16T06:37:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/12cc3060-4a02-4c23-a781-985df17e7a2d.json and https://artists.proofprofile.net/proofs/artist/12cc3060-4a02-4c23-a781-985df17e7a2d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T06:37:25Z
  text: {"copyright_id":"0x83bfef5f8d7af5f8360ad58dc9e885acae47696e542c1aeebdce1f6ee9d74b63","name":"Hoàng Nghi Lâm","registered_at":"2026-06-15T20:02:48Z","symbol":"NIM0816775","token_address":"0x91b82c8b417ebf0d4428e060cc7bda839fcd4dfc","type":"artist","uuid":"12cc3060-4a02-4c23-a781-985df17e7a2d"}
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