Work &Study CAFE MUSIC
type: MusicGroup
popularity: 2
followers: 11
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ede9be61e9e94b5c0e3ea3cd2f4dc4a356226cf417130c31dfbc3e139e36bf9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8bf89ee-6aba-4c80-8b27-5d5db448b782.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8bf89ee-6aba-4c80-8b27-5d5db448b782.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b8bf89ee-6aba-4c80-8b27-5d5db448b782
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ede9be61e9e94b5c0e3ea3cd2f4dc4a356226cf417130c31dfbc3e139e36bf9","name":"Work &Study CAFE MUSIC","registered_at":"2026-06-21T19:07:47Z","symbol":"NIM1652712","token_address":"0xbd16747332410a8a3c78662d2d52b3425e5d8671","type":"artist","uuid":"b8bf89ee-6aba-4c80-8b27-5d5db448b782"}
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 0x6ede9be61e9e94b5c0e3ea3cd2f4dc4a356226cf417130c31dfbc3e139e36bf9. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8bf89ee-6aba-4c80-8b27-5d5db448b782.json and https://artists.proofprofile.net/proofs/artist/b8bf89ee-6aba-4c80-8b27-5d5db448b782.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x6ede9be61e9e94b5c0e3ea3cd2f4dc4a356226cf417130c31dfbc3e139e36bf9","name":"Work &Study CAFE MUSIC","registered_at":"2026-06-21T19:07:47Z","symbol":"NIM1652712","token_address":"0xbd16747332410a8a3c78662d2d52b3425e5d8671","type":"artist","uuid":"b8bf89ee-6aba-4c80-8b27-5d5db448b782"}
album: STUDY CAFE
  type: MusicAlbum
  date published: 2023-02-19
album: 仕事に集中するBGM
  type: MusicAlbum
  date published: 2023-04-06
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  type: MusicAlbum
  date published: 2023-09-22
album: Study & Work
  type: MusicAlbum
  date published: 2023-09-29
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  type: MusicAlbum
  date published: 2023-10-06
album: おしゃれなカフェ気分 Work & Study
  type: MusicAlbum
  date published: 2023-10-13