吉田ヨシユキ
type: MusicGroup
genre: vocaloid
popularity: 11
followers: 143
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2dab80429461a9736e61ad803ec20cbaab30c56d8408e8dc6ba690e0e8d1349b
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/bf3bc9a6-61b1-4b32-9482-04f407e9441c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bf3bc9a6-61b1-4b32-9482-04f407e9441c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bf3bc9a6-61b1-4b32-9482-04f407e9441c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:30:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2dab80429461a9736e61ad803ec20cbaab30c56d8408e8dc6ba690e0e8d1349b","name":"吉田ヨシユキ","registered_at":"2026-06-15T00:37:43Z","symbol":"NIM0626993","token_address":"0x7c2fb5a4403a7466d86053fb0738b950894e6b8f","type":"artist","uuid":"bf3bc9a6-61b1-4b32-9482-04f407e9441c"}
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 0x2dab80429461a9736e61ad803ec20cbaab30c56d8408e8dc6ba690e0e8d1349b. 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/bf3bc9a6-61b1-4b32-9482-04f407e9441c.json and https://artists.proofprofile.net/proofs/artist/bf3bc9a6-61b1-4b32-9482-04f407e9441c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:30:06Z
  text: {"copyright_id":"0x2dab80429461a9736e61ad803ec20cbaab30c56d8408e8dc6ba690e0e8d1349b","name":"吉田ヨシユキ","registered_at":"2026-06-15T00:37:43Z","symbol":"NIM0626993","token_address":"0x7c2fb5a4403a7466d86053fb0738b950894e6b8f","type":"artist","uuid":"bf3bc9a6-61b1-4b32-9482-04f407e9441c"}
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