洛先生
type: MusicGroup
genre: c-pop
genre: gufeng
popularity: 2
followers: 974
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd3e991120f9b37d0295f92a8f6a1c5df3ed5cf2f73a5619ede5bafbfb5e0976
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954615
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954615
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c57cf9e6-2583-441b-8922-6ee05c22f0cc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c57cf9e6-2583-441b-8922-6ee05c22f0cc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c57cf9e6-2583-441b-8922-6ee05c22f0cc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T22:44:50Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdd3e991120f9b37d0295f92a8f6a1c5df3ed5cf2f73a5619ede5bafbfb5e0976","name":"洛先生","registered_at":"2026-06-20T21:14:10Z","symbol":"NIM1713344","token_address":"0x78abdceed542541a15fd9e81eed72f0ccfd87360","type":"artist","uuid":"c57cf9e6-2583-441b-8922-6ee05c22f0cc"}
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 0xdd3e991120f9b37d0295f92a8f6a1c5df3ed5cf2f73a5619ede5bafbfb5e0976. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c57cf9e6-2583-441b-8922-6ee05c22f0cc.json and https://artists.proofprofile.net/proofs/artist/c57cf9e6-2583-441b-8922-6ee05c22f0cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T22:44:50Z
  text: {"copyright_id":"0xdd3e991120f9b37d0295f92a8f6a1c5df3ed5cf2f73a5619ede5bafbfb5e0976","name":"洛先生","registered_at":"2026-06-20T21:14:10Z","symbol":"NIM1713344","token_address":"0x78abdceed542541a15fd9e81eed72f0ccfd87360","type":"artist","uuid":"c57cf9e6-2583-441b-8922-6ee05c22f0cc"}
album: 世面
  type: MusicAlbum
  date published: 2020-08-07
album: 世面
  type: MusicAlbum
  date published: 2020-08-07
album: 世面
  type: MusicAlbum
  date published: 2020-08-07
album: 你的记号
  type: MusicAlbum
  date published: 2020-09-27
album: 你的记号
  type: MusicAlbum
  date published: 2020-09-27
album: 如果我没爱过
  type: MusicAlbum
  date published: 2021-03-26
album: 江南寻你
  type: MusicAlbum
  date published: 2021-06-02
album: 孤城
  type: MusicAlbum
  date published: 2021-08-10
album: 孤城
  type: MusicAlbum
  date published: 2021-08-10
album: 再也没有遇到他
  type: MusicAlbum
  date published: 2021-09-26
album: 再也没有遇到他
  type: MusicAlbum
  date published: 2021-09-26
album: 再也没有遇到他 (DJ小拳权版)
  type: MusicAlbum
  date published: 2021-10-15
album: 爱没有结果
  type: MusicAlbum
  date published: 2021-10-20
album: 影子说
  type: MusicAlbum
  date published: 2021-11-02
album: 影子说 (DJ阿卓版)
  type: MusicAlbum
  date published: 2021-11-02
album: 影子说
  type: MusicAlbum
  date published: 2021-11-02
album: 影子说 (DJR7版)
  type: MusicAlbum
  date published: 2021-12-15
album: 京城雪
  type: MusicAlbum
  date published: 2022-01-24
album: 一不小心
  type: MusicAlbum
  date published: 2022-01-26
album: 一不小心 (DJ楠哈哈版)
  type: MusicAlbum
  date published: 2022-02-16
album: 不合群
  type: MusicAlbum
  date published: 2022-03-26
album: 残骸
  type: MusicAlbum
  date published: 2022-06-24
album: 多情酒
  type: MusicAlbum
  date published: 2022-09-16
album: 人群
  type: MusicAlbum
  date published: 2022-10-26
album: 寒城
  type: MusicAlbum
  date published: 2022-12-07
album: 觉悟 (洛先生版)
  type: MusicAlbum
  date published: 2023-06-30
  track: 觉悟 - 洛先生版
    type: MusicRecording
    duration: PT2M57S
    duration ms: 177131
    explicit: false
    by artist: 洛先生
    in album: 觉悟 (洛先生版)
      type: MusicAlbum
      date published: 2023-06-30
    genre: c-pop
    genre: gufeng
    isrc code: HKC992324671
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T16:01:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe97a60dc136572f174f5a83162e3de39883470a7f68f4b1ecb866d1b6e71695e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958601
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958601
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKC992324671
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:27:02Z
    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 0xe97a60dc136572f174f5a83162e3de39883470a7f68f4b1ecb866d1b6e71695e. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/HKC992324671.
      date published: 2026-07-18T19:27:02Z
    audio: 觉悟 - 洛先生版
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 165.941
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.712
      additional property: Energy
        type: PropertyValue
        value: 0.572
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.393
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.356
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.573
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.783
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor