冠妤 Nikko
type: MusicGroup
genre: chinese indie
genre: chinese r&b
genre: c-pop
genre: j-r&b
genre: mandopop
genre: taiwanese indie
genre: taiwanese pop
popularity: 8
followers: 179
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7f8d6ca910122ebda46bffb145fe15b460172665449721cee0c9e2b9634f715
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a26acabd-d613-4bbb-98b7-636eeb887978.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a26acabd-d613-4bbb-98b7-636eeb887978.json
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
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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 0xb7f8d6ca910122ebda46bffb145fe15b460172665449721cee0c9e2b9634f715. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a26acabd-d613-4bbb-98b7-636eeb887978.json and https://artists.proofprofile.net/proofs/artist/a26acabd-d613-4bbb-98b7-636eeb887978.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0xb7f8d6ca910122ebda46bffb145fe15b460172665449721cee0c9e2b9634f715","name":"冠妤 Nikko","registered_at":"2026-06-20T06:33:45Z","symbol":"NIM1540651","token_address":"0x795e0d777550e8ab9a464ecb7ce9c50277ce341e","type":"artist","uuid":"a26acabd-d613-4bbb-98b7-636eeb887978"}
album: 怪胎
  type: MusicAlbum
  date published: 2022-11-08
album: 我會陪你哭泣
  type: MusicAlbum
  date published: 2023-02-24
album: 蜷
  type: MusicAlbum
  date published: 2023-03-21
album: 407
  type: MusicAlbum
  date published: 2023-06-30
album: 眼中宇宙
  type: MusicAlbum
  date published: 2023-12-29
album: 放
  type: MusicAlbum
  date published: 2024-02-27
album: 天賦
  type: MusicAlbum
  date published: 2024-04-16
  track: 天賦
    type: MusicRecording
    duration: PT3M52S
    duration ms: 232000
    explicit: false
    by artist: 冠妤 Nikko
    in album: 天賦
      type: MusicAlbum
      date published: 2024-04-16
    genre: chinese indie
    genre: chinese r&b
    genre: c-pop
    genre: j-r&b
    genre: mandopop
    genre: taiwanese indie
    genre: taiwanese pop
    isrc code: TWCC32402614
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-11T13:40:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x232db3d4cb12142419faad2a85a8b88f30c3d0477f484a4958d794248a6395a9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957576
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957576
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWCC32402614
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-11T14:19:48Z
    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 0x232db3d4cb12142419faad2a85a8b88f30c3d0477f484a4958d794248a6395a9. Chain 2 (Bitcoin): anchored in block 957576 (2026-07-11T14:19:48Z), 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/TWCC32402614.
      date published: 2026-07-11T14:19:48Z
    audio: 天賦
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.021
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.664
      additional property: Energy
        type: PropertyValue
        value: 0.638
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.041
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.006
      additional property: Liveness
        type: PropertyValue
        value: 0.101
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.334
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.657
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 秘
  type: MusicAlbum
  date published: 2024-07-19
album: NIKKOUSTIC: Step Into the Sunshine
  type: MusicAlbum
  date published: 2024-08-30
album: Coffee Table Lunch
  type: MusicAlbum
  date published: 2025-08-15