李娟
type: MusicGroup
popularity: 8
followers: 42
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b44b0ea23c6ab2819a2a0df85fc9445114d6de9e82fbf6255c39aa619fd8e8c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b987fc74-6548-42e9-b1b9-f5b5912e59b1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b987fc74-6548-42e9-b1b9-f5b5912e59b1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b987fc74-6548-42e9-b1b9-f5b5912e59b1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b44b0ea23c6ab2819a2a0df85fc9445114d6de9e82fbf6255c39aa619fd8e8c","name":"李娟","registered_at":"2026-06-20T16:47:05Z","symbol":"NIM1656678","token_address":"0x2b5ee48a39840daa3244cc60385b6755877e2829","type":"artist","uuid":"b987fc74-6548-42e9-b1b9-f5b5912e59b1"}
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 0x9b44b0ea23c6ab2819a2a0df85fc9445114d6de9e82fbf6255c39aa619fd8e8c. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b987fc74-6548-42e9-b1b9-f5b5912e59b1.json and https://artists.proofprofile.net/proofs/artist/b987fc74-6548-42e9-b1b9-f5b5912e59b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x9b44b0ea23c6ab2819a2a0df85fc9445114d6de9e82fbf6255c39aa619fd8e8c","name":"李娟","registered_at":"2026-06-20T16:47:05Z","symbol":"NIM1656678","token_address":"0x2b5ee48a39840daa3244cc60385b6755877e2829","type":"artist","uuid":"b987fc74-6548-42e9-b1b9-f5b5912e59b1"}
album: 一壶老酒
  type: MusicAlbum
  date published: 2019-09-05
  track: 一壶老酒
    type: MusicRecording
    duration: PT4M13S
    duration ms: 253022
    explicit: false
    by artist: 李娟
    in album: 一壶老酒
      type: MusicAlbum
      date published: 2019-09-05
    isrc code: FRX282053524
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T04:59:28+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xeedf881f89fdc96bd1918c2441221781140789454ed8ae4c6fe99fef36f6d0d1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282053524
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0xeedf881f89fdc96bd1918c2441221781140789454ed8ae4c6fe99fef36f6d0d1. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FRX282053524.
      date published: 2026-07-04T10:04:33Z
    audio: 一壶老酒
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.054
      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: 0.601
      additional property: Energy
        type: PropertyValue
        value: 0.741
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
        type: PropertyValue
        value: 0.141
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.365
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.502
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.499
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
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  type: MusicAlbum
  date published: 2020-04-15
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  type: MusicAlbum
  date published: 2020-05-19
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2020-06-30
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2021-01-12
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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