Lee Down
type: MusicGroup
genre: k-ballad
popularity: 2
followers: 85
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f05bd766c17bcba85ae7df57df9b3531c553aa59f2e6cbea010d0135f74798f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ab5b907-5c27-43be-9225-4f936337fac3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ab5b907-5c27-43be-9225-4f936337fac3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9ab5b907-5c27-43be-9225-4f936337fac3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5f05bd766c17bcba85ae7df57df9b3531c553aa59f2e6cbea010d0135f74798f","name":"Lee Down","registered_at":"2026-06-17T19:35:34Z","symbol":"NIM1497450","token_address":"0xa2d7b5fc35b855bbac57a4ed655248074cdfa563","type":"artist","uuid":"9ab5b907-5c27-43be-9225-4f936337fac3"}
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 0x5f05bd766c17bcba85ae7df57df9b3531c553aa59f2e6cbea010d0135f74798f. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ab5b907-5c27-43be-9225-4f936337fac3.json and https://artists.proofprofile.net/proofs/artist/9ab5b907-5c27-43be-9225-4f936337fac3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x5f05bd766c17bcba85ae7df57df9b3531c553aa59f2e6cbea010d0135f74798f","name":"Lee Down","registered_at":"2026-06-17T19:35:34Z","symbol":"NIM1497450","token_address":"0xa2d7b5fc35b855bbac57a4ed655248074cdfa563","type":"artist","uuid":"9ab5b907-5c27-43be-9225-4f936337fac3"}
album: 우리엄마
  type: MusicAlbum
  date published: 2020-07-27
album: On Your Wedding Day
  type: MusicAlbum
  date published: 2022-01-17
album: Sandcastle
  type: MusicAlbum
  date published: 2022-07-28
album: Consolation
  type: MusicAlbum
  date published: 2022-11-25
album: The Night Air
  type: MusicAlbum
  date published: 2023-07-05
album: Time Travel
  type: MusicAlbum
  date published: 2023-11-09
album: Good Night
  type: MusicAlbum
  date published: 2024-03-09
album: Goodbye to Romance
  type: MusicAlbum
  date published: 2025-02-04
  track: Goodbye to Romance
    type: MusicRecording
    duration: PT3M50S
    duration ms: 230915
    explicit: false
    by artist: Lee Down
    in album: Goodbye to Romance
      type: MusicAlbum
      date published: 2025-02-04
    genre: k-ballad
    isrc code: KSA012374346
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T23:04:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x134038addcf7e0d7bc508ea7489dd5f9901d4b46cf1031345d45914b7ac711d6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958943
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958943
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012374346
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T02:04:40Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x134038addcf7e0d7bc508ea7489dd5f9901d4b46cf1031345d45914b7ac711d6. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T02:04:40Z), 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/KSA012374346.
      date published: 2026-07-21T02:04:40Z
    audio: Goodbye to Romance
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.684
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.495
      additional property: Energy
        type: PropertyValue
        value: 0.52
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.111
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.121
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.44
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.864
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Call Your Name
  type: MusicAlbum
  date published: 2025-08-24