VY Jacko
type: MusicGroup
genre: vietnamese hip hop
genre: vietnam indie
genre: v-pop
popularity: 12
followers: 487
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x167142e6b4d8328b543a8f6f7666c54a6806e4fa71f9bd69b67a5c15ae4c1bf8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953768
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953768
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bfced79d-68e5-49ca-8371-1ececabb61a7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bfced79d-68e5-49ca-8371-1ececabb61a7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bfced79d-68e5-49ca-8371-1ececabb61a7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:30:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x167142e6b4d8328b543a8f6f7666c54a6806e4fa71f9bd69b67a5c15ae4c1bf8","name":"VY Jacko","registered_at":"2026-06-15T00:38:26Z","symbol":"NIM0627167","token_address":"0x52792b0bbab19f11ecf9fd9a52b326c434af0090","type":"artist","uuid":"bfced79d-68e5-49ca-8371-1ececabb61a7"}
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 0x167142e6b4d8328b543a8f6f7666c54a6806e4fa71f9bd69b67a5c15ae4c1bf8. Chain 2 (Bitcoin): anchored in block 953768 (2026-06-15T09:30:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bfced79d-68e5-49ca-8371-1ececabb61a7.json and https://artists.proofprofile.net/proofs/artist/bfced79d-68e5-49ca-8371-1ececabb61a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:30:06Z
  text: {"copyright_id":"0x167142e6b4d8328b543a8f6f7666c54a6806e4fa71f9bd69b67a5c15ae4c1bf8","name":"VY Jacko","registered_at":"2026-06-15T00:38:26Z","symbol":"NIM0627167","token_address":"0x52792b0bbab19f11ecf9fd9a52b326c434af0090","type":"artist","uuid":"bfced79d-68e5-49ca-8371-1ececabb61a7"}
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