Jennifer Xu
type: MusicGroup
popularity: 8
followers: 143
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e4331c88d42145e377b920473f85133760909776e3139d4005f9ac271ea9087
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc42f662-4c56-4fb1-bb12-21fdef6f6196.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc42f662-4c56-4fb1-bb12-21fdef6f6196.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dc42f662-4c56-4fb1-bb12-21fdef6f6196
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7e4331c88d42145e377b920473f85133760909776e3139d4005f9ac271ea9087","name":"Jennifer Xu","registered_at":"2026-06-21T05:06:11Z","symbol":"NIM1828900","token_address":"0xeb2403fc66847df17c82fe9a1193655df05d635f","type":"artist","uuid":"dc42f662-4c56-4fb1-bb12-21fdef6f6196"}
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 0x7e4331c88d42145e377b920473f85133760909776e3139d4005f9ac271ea9087. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc42f662-4c56-4fb1-bb12-21fdef6f6196.json and https://artists.proofprofile.net/proofs/artist/dc42f662-4c56-4fb1-bb12-21fdef6f6196.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
  text: {"copyright_id":"0x7e4331c88d42145e377b920473f85133760909776e3139d4005f9ac271ea9087","name":"Jennifer Xu","registered_at":"2026-06-21T05:06:11Z","symbol":"NIM1828900","token_address":"0xeb2403fc66847df17c82fe9a1193655df05d635f","type":"artist","uuid":"dc42f662-4c56-4fb1-bb12-21fdef6f6196"}
album: Wu Shi Nian Yi Hou
  type: MusicAlbum
  date published: 2022-09-10
album: Wu Shi Nian Yi Hou
  type: MusicAlbum
  date published: 2022-09-10
album: Bie Wen Wo Shi Shei
  type: MusicAlbum
  date published: 2022-09-11
  track: Bie Wen Wo Shi Shei
    type: MusicRecording
    duration: PT5M17S
    duration ms: 317741
    explicit: false
    by artist: Jennifer Xu
    in album: Bie Wen Wo Shi Shei
      type: MusicAlbum
      date published: 2022-09-11
    isrc code: SGB502240587
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T23:51:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1fb2f8561b93346435d3254a875c4d5f88f98a5778fad3a69cf73c4030c55850
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958468
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958468
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGB502240587
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:27:51Z
    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 0x1fb2f8561b93346435d3254a875c4d5f88f98a5778fad3a69cf73c4030c55850. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/SGB502240587.
      date published: 2026-07-18T00:27:51Z
    audio: Bie Wen Wo Shi Shei
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.969
      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: 0.571
      additional property: Energy
        type: PropertyValue
        value: 0.396
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.926
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.1
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.461
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.204
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Bie Wen Wo Shi Shei
  type: MusicAlbum
  date published: 2022-09-11
album: Ru Guo Ke Yi
  type: MusicAlbum
  date published: 2022-09-15
album: Xiang Ni de Ye
  type: MusicAlbum
  date published: 2022-09-15
album: Da Tuan Yuan
  type: MusicAlbum
  date published: 2022-09-15
album: Ni Jiu Bu Yao Xiang Qi Wo
  type: MusicAlbum
  date published: 2022-09-15
album: Xiang Jian Ni Xiang Jian Ni Xiang Jian Ni
  type: MusicAlbum
  date published: 2022-09-20
album: Wo de Ge Sheng Li
  type: MusicAlbum
  date published: 2022-09-20
  track: Wo de Ge Sheng Li
    type: MusicRecording
    duration: PT3M40S
    duration ms: 220080
    explicit: false
    by artist: Jennifer Xu
    in album: Wo de Ge Sheng Li
      type: MusicAlbum
      date published: 2022-09-20
    isrc code: SGB502244955
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T04:21:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3a14318e53b7fd622ca9e7ed0f38b0c6b9bd1d5cbe3cce3f60232f08389f2223
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGB502244955
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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 0x3a14318e53b7fd622ca9e7ed0f38b0c6b9bd1d5cbe3cce3f60232f08389f2223. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/SGB502244955.
      date published: 2026-07-03T10:47:44Z
    audio: Wo de Ge Sheng Li
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 136.841
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Wo Duo Xi Huan Ni Ni Hui Zhi Dao
album: Rang Wo Liu Zai Ni Shen Bian
album: Nan Ren Shou

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.496

Energy
type: PropertyValue
value: 0.429

Speechiness
type: PropertyValue
value: 0.03

Acousticness
type: PropertyValue
value: 0.901

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.114

Valence (Positivity)
type: PropertyValue
value: 0.221

Loudness (dB)
type: PropertyValue
value: -8.492

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Wo Duo Xi Huan Ni Ni Hui Zhi Dao
type: MusicAlbum
date published: 2022-09-20
track: Wo Duo Xi Huan Ni Ni Hui Zhi Dao
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200040
  explicit: false
  by artist: Jennifer Xu
  in album: Wo Duo Xi Huan Ni Ni Hui Zhi Dao
    type: MusicAlbum
    date published: 2022-09-20
  isrc code: SGB502244956
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T02:04:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd406e7dbff0d6d5532061c2507265cf22e1f690cd1013c8d7cd0b0b2e6fdf272
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGB502244956
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0xd406e7dbff0d6d5532061c2507265cf22e1f690cd1013c8d7cd0b0b2e6fdf272. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/SGB502244956.
    date published: 2026-07-05T10:01:46Z
  audio: Wo Duo Xi Huan Ni Ni Hui Zhi Dao
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.015
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.661
    additional property: Energy
      type: PropertyValue
      value: 0.466
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.482
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.125
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.699
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.426
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Xiang Jian Ni Xiang Jian Ni Xiang Jian Ni
type: MusicAlbum
date published: 2022-09-20

Rang Wo Liu Zai Ni Shen Bian
type: MusicAlbum
date published: 2022-09-22

Nan Ren Shou
type: MusicAlbum
date published: 2022-09-26