케이팝 클럽
type: MusicGroup
genre: k-ballad
popularity: 3
followers: 79
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f29abdcd6e1ebbfb4a5e76382d0a1241b4ace40b25a149e1631781d79626438
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b360c74d-2c20-4347-9686-ea9fb5bdf201.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b360c74d-2c20-4347-9686-ea9fb5bdf201.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b360c74d-2c20-4347-9686-ea9fb5bdf201
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5f29abdcd6e1ebbfb4a5e76382d0a1241b4ace40b25a149e1631781d79626438","name":"케이팝 클럽","registered_at":"2026-06-20T13:24:38Z","symbol":"NIM1621108","token_address":"0xdcc33151fb5d796c8dd306e04411cc9a67b75b1a","type":"artist","uuid":"b360c74d-2c20-4347-9686-ea9fb5bdf201"}
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 0x5f29abdcd6e1ebbfb4a5e76382d0a1241b4ace40b25a149e1631781d79626438. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b360c74d-2c20-4347-9686-ea9fb5bdf201.json and https://artists.proofprofile.net/proofs/artist/b360c74d-2c20-4347-9686-ea9fb5bdf201.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0x5f29abdcd6e1ebbfb4a5e76382d0a1241b4ace40b25a149e1631781d79626438","name":"케이팝 클럽","registered_at":"2026-06-20T13:24:38Z","symbol":"NIM1621108","token_address":"0xdcc33151fb5d796c8dd306e04411cc9a67b75b1a","type":"artist","uuid":"b360c74d-2c20-4347-9686-ea9fb5bdf201"}
album: 네티즌이 뽑은 최신가요 #32 Vol. 2
  type: MusicAlbum
  date published: 2008-01-04
album: 네티즌이 뽑은 최신가요 발라드 베스트 Vol. 2
  type: MusicAlbum
  date published: 2008-01-04
album: 인터넷검색 베스트 인기가요 Vol. 3
  type: MusicAlbum
  date published: 2008-01-30
album: 파워댄스 러브발라드
  type: MusicAlbum
  date published: 2008-06-09