SER!N
type: MusicGroup
popularity: 4
followers: 870
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc152d4804390128958537ef70245f5437da5967fbe21c4e3a0a2ca6b5b74716b
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/c4ffa877-36b3-4023-8c19-02f5c94f46e5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4ffa877-36b3-4023-8c19-02f5c94f46e5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c4ffa877-36b3-4023-8c19-02f5c94f46e5
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 0xc152d4804390128958537ef70245f5437da5967fbe21c4e3a0a2ca6b5b74716b. 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/c4ffa877-36b3-4023-8c19-02f5c94f46e5.json and https://artists.proofprofile.net/proofs/artist/c4ffa877-36b3-4023-8c19-02f5c94f46e5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T22:44:50Z
album: Us on that day (feat. Lovey)
  type: MusicAlbum
  date published: 2022-07-09
album: Love Interference 2022 (Original Television Soundtrack), Pt.24
  type: MusicAlbum
  date published: 2022-12-14
album: Is it love
  type: MusicAlbum
  date published: 2023-05-04
album: that’s why
  type: MusicAlbum
  date published: 2023-11-19
album: Somehow
  type: MusicAlbum
  date published: 2024-02-26
album: A Profitable Cage OST Part.1
  type: MusicAlbum
  date published: 2024-03-25
album: 수지맞은 우리 (Original Television Soundtrack), Pt. 1
  type: MusicAlbum
  date published: 2024-03-25