井上宗孝とシャープ・ファイヴ
type: MusicGroup
genre: city pop
genre: kayokyoku
popularity: 2
followers: 85
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2801b84070ab413b5fcdf4f8597afb328f86f5616d23248ff5ff8aad52102c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953949
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953949
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/213f6c45-952e-4950-af57-23bc4a95c051.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/213f6c45-952e-4950-af57-23bc4a95c051.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/213f6c45-952e-4950-af57-23bc4a95c051
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:28:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc2801b84070ab413b5fcdf4f8597afb328f86f5616d23248ff5ff8aad52102c2","name":"井上宗孝とシャープ・ファイヴ","registered_at":"2026-06-16T01:25:27Z","symbol":"NIM0893770","token_address":"0x78e278f7732402f56329e9ef8a4924186820fd03","type":"artist","uuid":"213f6c45-952e-4950-af57-23bc4a95c051"}
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 0xc2801b84070ab413b5fcdf4f8597afb328f86f5616d23248ff5ff8aad52102c2. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/213f6c45-952e-4950-af57-23bc4a95c051.json and https://artists.proofprofile.net/proofs/artist/213f6c45-952e-4950-af57-23bc4a95c051.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0xc2801b84070ab413b5fcdf4f8597afb328f86f5616d23248ff5ff8aad52102c2","name":"井上宗孝とシャープ・ファイヴ","registered_at":"2026-06-16T01:25:27Z","symbol":"NIM0893770","token_address":"0x78e278f7732402f56329e9ef8a4924186820fd03","type":"artist","uuid":"213f6c45-952e-4950-af57-23bc4a95c051"}
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  type: MusicAlbum
  date published: 1968-02-01
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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album: Rock Around the Clock
  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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album: Koga Melody Operation!
  type: MusicAlbum
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album: ゴールデン☆ベスト 井上宗孝とシャープ・ファイヴ
  type: MusicAlbum
  date published: 2011-04-27