Yuki_RI
type: MusicGroup
genre: vocaloid
popularity: 2
followers: 77
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b76c95e33fd1f412a24fa48f1b3070f85ab33b4b9402f7894747410bf7ec07b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954615
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954615
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c5c954e3-a343-4de6-986d-64733092221c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c5c954e3-a343-4de6-986d-64733092221c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c5c954e3-a343-4de6-986d-64733092221c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T22:44:50Z
additional property: OTSCanonicalRecord
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 0x4b76c95e33fd1f412a24fa48f1b3070f85ab33b4b9402f7894747410bf7ec07b. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5c954e3-a343-4de6-986d-64733092221c.json and https://artists.proofprofile.net/proofs/artist/c5c954e3-a343-4de6-986d-64733092221c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T22:44:50Z
album: 泡沫の空
  type: MusicAlbum
  date published: 2024-10-28
album: message...
  type: MusicAlbum
  date published: 2024-10-28
album: the transient sky ends
  type: MusicAlbum
  date published: 2024-10-28
album: Secret Feelings
  type: MusicAlbum
  date published: 2024-10-28
album: 泡沫の空
  type: MusicAlbum
  date published: 2024-11-07
album: the transient sky ends
  type: MusicAlbum
  date published: 2024-11-07
album: 歩みの先に
  type: MusicAlbum
  date published: 2024-11-07
album: Catharsis Dance
  type: MusicAlbum
  date published: 2024-11-12
album: message...
  type: MusicAlbum
  date published: 2024-11-12
album: Catharsis Dance (初音ミク Ver.)
  type: MusicAlbum
  date published: 2024-12-12
album: 押し付けられた不条理と、僕
  type: MusicAlbum
  date published: 2025-03-20
album: しーくれっと・ぷらくてぃす
  type: MusicAlbum
  date published: 2025-07-18