Koh yujin (Flower)
type: MusicGroup
genre: k-ballad
popularity: 4
followers: 133
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f2b2117ff143e60f9f7ef14737ed2286a27855781850c19a66915c95275c538
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/54f5fba9-99d5-453a-9dc9-57f8ffa882bd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/54f5fba9-99d5-453a-9dc9-57f8ffa882bd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/54f5fba9-99d5-453a-9dc9-57f8ffa882bd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8f2b2117ff143e60f9f7ef14737ed2286a27855781850c19a66915c95275c538","name":"Koh yujin (Flower)","registered_at":"2026-06-16T19:09:34Z","symbol":"NIM1147769","token_address":"0x57edcbae0d87182d782ee197d25cc57a984c5869","type":"artist","uuid":"54f5fba9-99d5-453a-9dc9-57f8ffa882bd"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2b2117ff143e60f9f7ef14737ed2286a27855781850c19a66915c95275c538. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/54f5fba9-99d5-453a-9dc9-57f8ffa882bd.json and https://artists.proofprofile.net/proofs/artist/54f5fba9-99d5-453a-9dc9-57f8ffa882bd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x8f2b2117ff143e60f9f7ef14737ed2286a27855781850c19a66915c95275c538","name":"Koh yujin (Flower)","registered_at":"2026-06-16T19:09:34Z","symbol":"NIM1147769","token_address":"0x57edcbae0d87182d782ee197d25cc57a984c5869","type":"artist","uuid":"54f5fba9-99d5-453a-9dc9-57f8ffa882bd"}
album: 2024 My Own Grief
  type: MusicAlbum
  date published: 2024-12-15
  track: My own grief
    type: MusicRecording
    duration: PT4M15S
    duration ms: 255114
    explicit: false
    by artist: Koh yujin (Flower)
    in album: 2024 My Own Grief
      type: MusicAlbum
      date published: 2024-12-15
    genre: k-ballad
    isrc code: KRA382406831
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T20:04:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x64bc4aff2e53bbbfbdb0c14ae5c8bdea033dbc6747a7a406c42276f7d8a0cad5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956551
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA382406831
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64bc4aff2e53bbbfbdb0c14ae5c8bdea033dbc6747a7a406c42276f7d8a0cad5. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA382406831.
      date published: 2026-07-03T21:18:05Z
    audio: My own grief
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.327
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.495
      additional property: Energy
        type: PropertyValue
        value: 0.549
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.508
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.168
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.271
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.962
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor