舞花・エマ from BEST FRIENDS!
type: MusicGroup
popularity: 6
followers: 95
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb81b3fb9e9d5f35124f7a5a4f679de4a73b9de31b763baee2d3797a7cd8498e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953972
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953972
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2aa4dc7d-3fd1-4632-bda2-2024bbd347b9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2aa4dc7d-3fd1-4632-bda2-2024bbd347b9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2aa4dc7d-3fd1-4632-bda2-2024bbd347b9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:31:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbb81b3fb9e9d5f35124f7a5a4f679de4a73b9de31b763baee2d3797a7cd8498e","name":"舞花・エマ from BEST FRIENDS!","registered_at":"2026-06-16T04:22:29Z","symbol":"NIM0936059","token_address":"0xa6b8dda42c23aa474d5777974cf736803b3b5722","type":"artist","uuid":"2aa4dc7d-3fd1-4632-bda2-2024bbd347b9"}
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 0xbb81b3fb9e9d5f35124f7a5a4f679de4a73b9de31b763baee2d3797a7cd8498e. Chain 2 (Bitcoin): anchored in block 953973 (2026-06-16T16:37:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2aa4dc7d-3fd1-4632-bda2-2024bbd347b9.json and https://artists.proofprofile.net/proofs/artist/2aa4dc7d-3fd1-4632-bda2-2024bbd347b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T16:37:07Z
  text: {"copyright_id":"0xbb81b3fb9e9d5f35124f7a5a4f679de4a73b9de31b763baee2d3797a7cd8498e","name":"舞花・エマ from BEST FRIENDS!","registered_at":"2026-06-16T04:22:29Z","symbol":"NIM0936059","token_address":"0xa6b8dda42c23aa474d5777974cf736803b3b5722","type":"artist","uuid":"2aa4dc7d-3fd1-4632-bda2-2024bbd347b9"}