柊つかさ (CV.福原香織)
type: MusicGroup
genre: anime
popularity: 25
followers: 674
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x789a2c7b22d53c4a5284bb68b17c8ff61bfa96e2015c374485e6ce07a2118c0b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ed9787a2-4bf3-4e3b-99fa-6e8dd259f1d9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ed9787a2-4bf3-4e3b-99fa-6e8dd259f1d9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ed9787a2-4bf3-4e3b-99fa-6e8dd259f1d9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x789a2c7b22d53c4a5284bb68b17c8ff61bfa96e2015c374485e6ce07a2118c0b","name":"柊つかさ (CV.福原香織)","registered_at":"2026-06-12T13:03:48Z","symbol":"NIM0306040","token_address":"0x7de6c10e5e3311293cf7ec52ebe3176b5c802fae","type":"artist","uuid":"ed9787a2-4bf3-4e3b-99fa-6e8dd259f1d9"}
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 0x789a2c7b22d53c4a5284bb68b17c8ff61bfa96e2015c374485e6ce07a2118c0b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ed9787a2-4bf3-4e3b-99fa-6e8dd259f1d9.json and https://artists.proofprofile.net/proofs/artist/ed9787a2-4bf3-4e3b-99fa-6e8dd259f1d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x789a2c7b22d53c4a5284bb68b17c8ff61bfa96e2015c374485e6ce07a2118c0b","name":"柊つかさ (CV.福原香織)","registered_at":"2026-06-12T13:03:48Z","symbol":"NIM0306040","token_address":"0x7de6c10e5e3311293cf7ec52ebe3176b5c802fae","type":"artist","uuid":"ed9787a2-4bf3-4e3b-99fa-6e8dd259f1d9"}
album: TVアニメ『らき☆すた』キャラクターソング Vol.003 柊つかさ (福原香織)
  type: MusicAlbum
  date published: 2007-09-05