武田理沙
type: MusicGroup
genre: experimental
popularity: 2
followers: 1117
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24967d095e610dd3039ec786c6600632f4eb7bef6d84a8bdc7933391378d4c6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aede5461-deed-44db-a35a-545dc6fe2d9f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aede5461-deed-44db-a35a-545dc6fe2d9f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aede5461-deed-44db-a35a-545dc6fe2d9f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x24967d095e610dd3039ec786c6600632f4eb7bef6d84a8bdc7933391378d4c6c","name":"武田理沙","registered_at":"2026-06-20T10:48:37Z","symbol":"NIM1598561","token_address":"0xe34e1b7dd0981cb815344bb425a8482493eac013","type":"artist","uuid":"aede5461-deed-44db-a35a-545dc6fe2d9f"}
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 0x24967d095e610dd3039ec786c6600632f4eb7bef6d84a8bdc7933391378d4c6c. Chain 2 (Bitcoin): anchored in block 954556 (2026-06-20T12:14:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aede5461-deed-44db-a35a-545dc6fe2d9f.json and https://artists.proofprofile.net/proofs/artist/aede5461-deed-44db-a35a-545dc6fe2d9f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:14:15Z
  text: {"copyright_id":"0x24967d095e610dd3039ec786c6600632f4eb7bef6d84a8bdc7933391378d4c6c","name":"武田理沙","registered_at":"2026-06-20T10:48:37Z","symbol":"NIM1598561","token_address":"0xe34e1b7dd0981cb815344bb425a8482493eac013","type":"artist","uuid":"aede5461-deed-44db-a35a-545dc6fe2d9f"}
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