Sunkyung Choi
type: MusicGroup
popularity: 8
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a448d05bcf1c9bd439cbbcb3c3cee7409d6e218cc9a47cbcd2a4f3150eb88e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953996
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953996
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2f75d421-d4a2-451d-b084-e9b617268a18.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2f75d421-d4a2-451d-b084-e9b617268a18.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2f75d421-d4a2-451d-b084-e9b617268a18
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:04:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2a448d05bcf1c9bd439cbbcb3c3cee7409d6e218cc9a47cbcd2a4f3150eb88e0","name":"Sunkyung Choi","registered_at":"2026-06-16T06:08:37Z","symbol":"NIM0961416","token_address":"0x76061d37724587d9f71f3c95b312802486d363a7","type":"artist","uuid":"2f75d421-d4a2-451d-b084-e9b617268a18"}
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 0x2a448d05bcf1c9bd439cbbcb3c3cee7409d6e218cc9a47cbcd2a4f3150eb88e0. Chain 2 (Bitcoin): anchored in block 953996 (2026-06-16T20:04:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2f75d421-d4a2-451d-b084-e9b617268a18.json and https://artists.proofprofile.net/proofs/artist/2f75d421-d4a2-451d-b084-e9b617268a18.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:04:35Z
  text: {"copyright_id":"0x2a448d05bcf1c9bd439cbbcb3c3cee7409d6e218cc9a47cbcd2a4f3150eb88e0","name":"Sunkyung Choi","registered_at":"2026-06-16T06:08:37Z","symbol":"NIM0961416","token_address":"0x76061d37724587d9f71f3c95b312802486d363a7","type":"artist","uuid":"2f75d421-d4a2-451d-b084-e9b617268a18"}
album: Ballet Class Music, Vol. 4 (Chocolate Factory)
  type: MusicAlbum
  date published: 2025-02-01
album: NARECORD Ballet Class, Vol. 8: LALA LAND & Singin' In The Rain
  type: MusicAlbum
  date published: 2025-09-15
album: NARECORD Ballet Class, Vol. 9: Halloween
  type: MusicAlbum
  date published: 2025-09-29