Tiannan Cai
type: MusicGroup
genre: gufeng
popularity: 18
followers: 482
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b8db721115fec53fe3d6f6f106e2ec05aaa621821322d64f5b15b765d43bcc7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953770
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c046330a-a22f-41fa-b2e1-0eb4c069714f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c046330a-a22f-41fa-b2e1-0eb4c069714f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c046330a-a22f-41fa-b2e1-0eb4c069714f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:50:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2b8db721115fec53fe3d6f6f106e2ec05aaa621821322d64f5b15b765d43bcc7","name":"Tiannan Cai","registered_at":"2026-06-15T00:47:36Z","symbol":"NIM0629365","token_address":"0x29b77174d026f6203e641de5f58df53971d5885d","type":"artist","uuid":"c046330a-a22f-41fa-b2e1-0eb4c069714f"}
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 0x2b8db721115fec53fe3d6f6f106e2ec05aaa621821322d64f5b15b765d43bcc7. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c046330a-a22f-41fa-b2e1-0eb4c069714f.json and https://artists.proofprofile.net/proofs/artist/c046330a-a22f-41fa-b2e1-0eb4c069714f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x2b8db721115fec53fe3d6f6f106e2ec05aaa621821322d64f5b15b765d43bcc7","name":"Tiannan Cai","registered_at":"2026-06-15T00:47:36Z","symbol":"NIM0629365","token_address":"0x29b77174d026f6203e641de5f58df53971d5885d","type":"artist","uuid":"c046330a-a22f-41fa-b2e1-0eb4c069714f"}
album: After Us
  type: MusicAlbum
  date published: 2019-06-14
album: After Us
  type: MusicAlbum
  date published: 2019-06-14
album: Magical Legend (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2019-07-19
album: JinDong Impressions
  type: MusicAlbum
  date published: 2019-11-29
album: A Wonderful Flower
  type: MusicAlbum
  date published: 2019-11-29
album: Stardust
  type: MusicAlbum
  date published: 2019-11-29
album: A Wonderful Flower
  type: MusicAlbum
  date published: 2019-11-29
album: 斗罗大陆片尾曲《风舞》
  type: MusicAlbum
  date published: 2021-03-05
album: 斗罗大陆片尾曲《风舞》
  type: MusicAlbum
  date published: 2021-03-05
album: 《斗罗大陆 Soul Land》动画原声专辑 (Music from the Original TV Series)
  type: MusicAlbum
  date published: 2024-12-01
album: 《美人鱼的夏天 The Summer of Mermaid》电影原声专辑 (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2024-12-01
album: Shadow of Nyog (Original Game Soundtrack)
  type: MusicAlbum
  date published: 2025-01-31
album: SCP: Secret Files (Original Game Soundtrack)
  type: MusicAlbum
  date published: 2025-02-28