B記
type: MusicGroup
genre: cantopop
popularity: 4
followers: 203
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7f56fcf4f500e5d0366994e76d80b5244372ecae4968b2280fd2d3a402bdde8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954017
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954017
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/371df80b-95da-4812-9ca4-f96d2ea2604c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/371df80b-95da-4812-9ca4-f96d2ea2604c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/371df80b-95da-4812-9ca4-f96d2ea2604c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T23:38:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa7f56fcf4f500e5d0366994e76d80b5244372ecae4968b2280fd2d3a402bdde8","name":"B記","registered_at":"2026-06-16T08:44:49Z","symbol":"NIM0998714","token_address":"0x22dfcbb39079f38a5fdb8aea91062384c6100f19","type":"artist","uuid":"371df80b-95da-4812-9ca4-f96d2ea2604c"}
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 0xa7f56fcf4f500e5d0366994e76d80b5244372ecae4968b2280fd2d3a402bdde8. Chain 2 (Bitcoin): anchored in block 954017 (2026-06-16T23:38:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/371df80b-95da-4812-9ca4-f96d2ea2604c.json and https://artists.proofprofile.net/proofs/artist/371df80b-95da-4812-9ca4-f96d2ea2604c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T23:38:33Z
  text: {"copyright_id":"0xa7f56fcf4f500e5d0366994e76d80b5244372ecae4968b2280fd2d3a402bdde8","name":"B記","registered_at":"2026-06-16T08:44:49Z","symbol":"NIM0998714","token_address":"0x22dfcbb39079f38a5fdb8aea91062384c6100f19","type":"artist","uuid":"371df80b-95da-4812-9ca4-f96d2ea2604c"}
album: 玩咗先講
  type: MusicAlbum
  date published: 2020-05-01
album: 壓力太大唔容易
  type: MusicAlbum
  date published: 2020-05-09
album: 今天以後
  type: MusicAlbum
  date published: 2022-02-19
album: 口水歌
  type: MusicAlbum
  date published: 2023-02-14
album: 離開你以後
  type: MusicAlbum
  date published: 2023-04-23
album: 玩咗先講
  type: MusicAlbum
  date published: 2023-09-09
album: 純天然壞女孩
  type: MusicAlbum
  date published: 2025-03-14
  track: 純天然壞女孩
    type: MusicRecording
    duration: PT2M57S
    duration ms: 177230
    explicit: false
    by artist: B記
    in album: 純天然壞女孩
      type: MusicAlbum
      date published: 2025-03-14
    genre: cantopop
    isrc code: TWU712501666
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T13:10:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x24aa2c975efa12739c1cfc07352d45e95dfcbe2496f0bf85b717da2bf139afa3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWU712501666
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x24aa2c975efa12739c1cfc07352d45e95dfcbe2496f0bf85b717da2bf139afa3. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/TWU712501666.
      date published: 2026-07-05T19:27:56Z
    audio: 純天然壞女孩
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.101
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.563
      additional property: Energy
        type: PropertyValue
        value: 0.756
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.003
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.344
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.509
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.919
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: LAST
  type: MusicAlbum
  date published: 2025-07-02