DJ KENTAROU
type: MusicGroup
genre: j-rap
popularity: 2
followers: 160
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x039cf6c1afc3ad52186e29acec7f3ae3c402fb05916125d9361722cac64a3288
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954023
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954023
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38008c96-77d6-4415-9f4c-ed568e7ad7cc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38008c96-77d6-4415-9f4c-ed568e7ad7cc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/38008c96-77d6-4415-9f4c-ed568e7ad7cc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T23:57:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x039cf6c1afc3ad52186e29acec7f3ae3c402fb05916125d9361722cac64a3288","name":"DJ KENTAROU","registered_at":"2026-06-16T09:04:57Z","symbol":"NIM1003521","token_address":"0xe85fdcf56f6410a8819bd2cb63c0e3e4d6baf317","type":"artist","uuid":"38008c96-77d6-4415-9f4c-ed568e7ad7cc"}
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 0x039cf6c1afc3ad52186e29acec7f3ae3c402fb05916125d9361722cac64a3288. Chain 2 (Bitcoin): anchored in block 954023 (2026-06-16T23:57:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38008c96-77d6-4415-9f4c-ed568e7ad7cc.json and https://artists.proofprofile.net/proofs/artist/38008c96-77d6-4415-9f4c-ed568e7ad7cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T23:57:23Z
  text: {"copyright_id":"0x039cf6c1afc3ad52186e29acec7f3ae3c402fb05916125d9361722cac64a3288","name":"DJ KENTAROU","registered_at":"2026-06-16T09:04:57Z","symbol":"NIM1003521","token_address":"0xe85fdcf56f6410a8819bd2cb63c0e3e4d6baf317","type":"artist","uuid":"38008c96-77d6-4415-9f4c-ed568e7ad7cc"}
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