Chen Xiaohua
type: MusicGroup
popularity: 9
followers: 179
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x942d129f3e4099c3b3c119199f323992f69606c7a71ecb4632f4e6f42e765d92
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/579752f2-72b9-4ae0-a1a6-696949e8bf93.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/579752f2-72b9-4ae0-a1a6-696949e8bf93.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/579752f2-72b9-4ae0-a1a6-696949e8bf93
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x942d129f3e4099c3b3c119199f323992f69606c7a71ecb4632f4e6f42e765d92","name":"Chen Xiaohua","registered_at":"2026-06-16T20:05:57Z","symbol":"NIM1161226","token_address":"0x0081cb71ce3f79bec8eca6f8a00102791b9d1742","type":"artist","uuid":"579752f2-72b9-4ae0-a1a6-696949e8bf93"}
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 0x942d129f3e4099c3b3c119199f323992f69606c7a71ecb4632f4e6f42e765d92. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/579752f2-72b9-4ae0-a1a6-696949e8bf93.json and https://artists.proofprofile.net/proofs/artist/579752f2-72b9-4ae0-a1a6-696949e8bf93.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x942d129f3e4099c3b3c119199f323992f69606c7a71ecb4632f4e6f42e765d92","name":"Chen Xiaohua","registered_at":"2026-06-16T20:05:57Z","symbol":"NIM1161226","token_address":"0x0081cb71ce3f79bec8eca6f8a00102791b9d1742","type":"artist","uuid":"579752f2-72b9-4ae0-a1a6-696949e8bf93"}
album: Tender Zheng 5: The Heart of the Flower
  type: MusicAlbum
  date published: 1995-01-01
album: Tender Zheng 4: Unforgettable Teresa Teng
  type: MusicAlbum
  date published: 1995-01-01
album: Tender Zheng 4: Unforgettable Teresa Teng
  type: MusicAlbum
  date published: 1995-01-01
  track: The Moon Represents My Heart
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209000
    explicit: false
    by artist: Chen Xiaohua
    in album: Tender Zheng 4: Unforgettable Teresa Teng
      type: MusicAlbum
      date published: 1995-01-01
    isrc code: CNA509534204
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T01:59:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xff1956d6f67cbb242d23cfc039ef14108bbc4ec7cbbbaae233167f58fbdbd388
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958349
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958349
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CNA509534204
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T02:28:59Z
    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 0xff1956d6f67cbb242d23cfc039ef14108bbc4ec7cbbbaae233167f58fbdbd388. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/CNA509534204.
      date published: 2026-07-17T02:28:59Z
    audio: The Moon Represents My Heart
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 78.302
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.642
      additional property: Energy
        type: PropertyValue
        value: 0.271
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.876
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.647
      additional property: Liveness
        type: PropertyValue
        value: 0.092
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.161
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.891
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Tender Zheng 5: The Heart of the Flower
  type: MusicAlbum
  date published: 1995-01-01
  track: I'll Wait for You Until My Heart Aches
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239693
    explicit: false
    by artist: Chen Xiaohua
    in album: Tender Zheng 5: The Heart of the Flower
      type: MusicAlbum
      date published: 1995-01-01
    isrc code: CNA509500663
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T06:50:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x10cadfbd8f0b179582cc4fa0f33cf56e77891c501e87a90e970d54944041f9e5
    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/CNA509500663
    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 0x10cadfbd8f0b179582cc4fa0f33cf56e77891c501e87a90e970d54944041f9e5. 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/CNA509500663.
      date published: 2026-07-04T10:04:33Z
    audio: I'll Wait for You Until My Heart Aches
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.532
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.626
      additional property: Energy
        type: PropertyValue
        value: 0.345
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.782
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.478
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Liveness
type: PropertyValue
value: 0.093

Valence (Positivity)
type: PropertyValue
value: 0.215

Loudness (dB)
type: PropertyValue
value: -13.004

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major