松村 雄基
type: MusicGroup
genre: kayokyoku
popularity: 2
followers: 277
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5e499ed6c7f21047bfa3fd2815ff381a12d4862d250c07c98174ef76a75b110
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954580
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954580
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5f5efb5-13d6-4871-bdeb-60e65b47dcec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5f5efb5-13d6-4871-bdeb-60e65b47dcec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b5f5efb5-13d6-4871-bdeb-60e65b47dcec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T17:48:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe5e499ed6c7f21047bfa3fd2815ff381a12d4862d250c07c98174ef76a75b110","name":"松村 雄基","registered_at":"2026-06-20T14:31:02Z","symbol":"NIM1631763","token_address":"0x509fe79c8ffdf736287b6d278b147585428ee4e0","type":"artist","uuid":"b5f5efb5-13d6-4871-bdeb-60e65b47dcec"}
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 0xe5e499ed6c7f21047bfa3fd2815ff381a12d4862d250c07c98174ef76a75b110. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5f5efb5-13d6-4871-bdeb-60e65b47dcec.json and https://artists.proofprofile.net/proofs/artist/b5f5efb5-13d6-4871-bdeb-60e65b47dcec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T17:48:00Z
  text: {"copyright_id":"0xe5e499ed6c7f21047bfa3fd2815ff381a12d4862d250c07c98174ef76a75b110","name":"松村 雄基","registered_at":"2026-06-20T14:31:02Z","symbol":"NIM1631763","token_address":"0x509fe79c8ffdf736287b6d278b147585428ee4e0","type":"artist","uuid":"b5f5efb5-13d6-4871-bdeb-60e65b47dcec"}
album: ゴールデン☆べスト 松村雄基
  type: MusicAlbum
  date published: 2008-01-23
album: ゴールデン☆べスト 松村雄基
  type: MusicAlbum
  date published: 2008-01-23