Kim Dong Kyu
type: MusicGroup
genre: k-ballad
popularity: 6
followers: 34
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8fb1d7102eb667bc4cdebbb32ac996a5c9a35a0b8d33686220ddd38a8d7536f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/797a3e38-28c1-4e84-aa28-40ba8b341a0b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/797a3e38-28c1-4e84-aa28-40ba8b341a0b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/797a3e38-28c1-4e84-aa28-40ba8b341a0b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa8fb1d7102eb667bc4cdebbb32ac996a5c9a35a0b8d33686220ddd38a8d7536f","name":"Kim Dong Kyu","registered_at":"2026-06-17T07:57:01Z","symbol":"NIM1330858","token_address":"0x2d8ba14a0ac06e2925d30cc91a5da39c3a2f1dfb","type":"artist","uuid":"797a3e38-28c1-4e84-aa28-40ba8b341a0b"}
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 0xa8fb1d7102eb667bc4cdebbb32ac996a5c9a35a0b8d33686220ddd38a8d7536f. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/797a3e38-28c1-4e84-aa28-40ba8b341a0b.json and https://artists.proofprofile.net/proofs/artist/797a3e38-28c1-4e84-aa28-40ba8b341a0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T15:44:10Z
  text: {"copyright_id":"0xa8fb1d7102eb667bc4cdebbb32ac996a5c9a35a0b8d33686220ddd38a8d7536f","name":"Kim Dong Kyu","registered_at":"2026-06-17T07:57:01Z","symbol":"NIM1330858","token_address":"0x2d8ba14a0ac06e2925d30cc91a5da39c3a2f1dfb","type":"artist","uuid":"797a3e38-28c1-4e84-aa28-40ba8b341a0b"}
album: 10월의 어느 멋진 날에 The Original
  type: MusicAlbum
  date published: 2006-06-16
album: 10월의 어느 멋진 날에
  type: MusicAlbum
  date published: 2011-10-28
  track: 10월의 어느 멋진 날에
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236254
    explicit: false
    by artist: Kim Dong Kyu
    in album: 10월의 어느 멋진 날에
      type: MusicAlbum
      date published: 2011-10-28
    genre: k-ballad
    isrc code: QZF452025393
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T01:34:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd2ede5c518114ba548ea953b95854be4872f9d6c22102670bf155e1931544bfe
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958350
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958350
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZF452025393
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:37:02Z
    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 0xd2ede5c518114ba548ea953b95854be4872f9d6c22102670bf155e1931544bfe. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:37:02Z), 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/QZF452025393.
      date published: 2026-07-17T04:37:02Z
    audio: 10월의 어느 멋진 날에
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 171.715
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.202
      additional property: Energy
        type: PropertyValue
        value: 0.267
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.968
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.144
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.217
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.129
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major