Gu Yoon Hoe
type: MusicGroup
popularity: 5
followers: 786
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb47d504258727efdbd3e72bc6313dcf2efdc04cea1a67e70b8fff017580a98fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954689
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954689
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e29b4b65-e153-420c-99fe-6e7c67309443.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e29b4b65-e153-420c-99fe-6e7c67309443.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e29b4b65-e153-420c-99fe-6e7c67309443
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T10:35:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb47d504258727efdbd3e72bc6313dcf2efdc04cea1a67e70b8fff017580a98fa","name":"Gu Yoon Hoe","registered_at":"2026-06-21T07:20:22Z","symbol":"NIM1859781","token_address":"0x930249944565cd7e2adfc26f8d8ecc425e9f97bf","type":"artist","uuid":"e29b4b65-e153-420c-99fe-6e7c67309443"}
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 0xb47d504258727efdbd3e72bc6313dcf2efdc04cea1a67e70b8fff017580a98fa. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e29b4b65-e153-420c-99fe-6e7c67309443.json and https://artists.proofprofile.net/proofs/artist/e29b4b65-e153-420c-99fe-6e7c67309443.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T10:35:31Z
  text: {"copyright_id":"0xb47d504258727efdbd3e72bc6313dcf2efdc04cea1a67e70b8fff017580a98fa","name":"Gu Yoon Hoe","registered_at":"2026-06-21T07:20:22Z","symbol":"NIM1859781","token_address":"0x930249944565cd7e2adfc26f8d8ecc425e9f97bf","type":"artist","uuid":"e29b4b65-e153-420c-99fe-6e7c67309443"}
album: Hundred Million Stars from the Sky, Pt. 4 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2018-11-22
  track: Moonlight
    type: MusicRecording
    duration: PT3M46S
    duration ms: 226752
    explicit: false
    by artist: Gu Yoon Hoe
    in album: Hundred Million Stars from the Sky, Pt. 4 (Original Television Soundtrack)
      type: MusicAlbum
      date published: 2018-11-22
    isrc code: KRA491801150
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T00:13:22+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xef5b2cd5d31cea2261953f10ec57edafc832465cb3d8bda52f1cf580376b7350
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958342
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958342
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491801150
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:14:35Z
    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 0xef5b2cd5d31cea2261953f10ec57edafc832465cb3d8bda52f1cf580376b7350. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:14:35Z), 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/KRA491801150.
      date published: 2026-07-17T03:14:35Z
    audio: Moonlight
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.173
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.358
      additional property: Energy
        type: PropertyValue
        value: 0.323
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.908
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.09
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.219
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.043
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Hundred Million Stars from the Sky (Original Television Soundtrack), Pt. 4
  type: MusicAlbum
  date published: 2018-11-22