张宇桦
type: MusicGroup
popularity: 20
followers: 139
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1e9ed422346bcaba70ee08e2fbab9a1c9b7cb3426f10a54c98c3615805d8551
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953616
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953616
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1a6c82ff-e9cb-48fb-9bc2-ee511e272fc4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1a6c82ff-e9cb-48fb-9bc2-ee511e272fc4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1a6c82ff-e9cb-48fb-9bc2-ee511e272fc4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T08:58:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd1e9ed422346bcaba70ee08e2fbab9a1c9b7cb3426f10a54c98c3615805d8551","name":"张宇桦","registered_at":"2026-06-14T07:09:32Z","symbol":"NIM0376948","token_address":"0x0976919480705170d4a803268513182a1e20eabe","type":"artist","uuid":"1a6c82ff-e9cb-48fb-9bc2-ee511e272fc4"}
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 0xd1e9ed422346bcaba70ee08e2fbab9a1c9b7cb3426f10a54c98c3615805d8551. Chain 2 (Bitcoin): anchored in block 953616 (2026-06-14T08:58:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a6c82ff-e9cb-48fb-9bc2-ee511e272fc4.json and https://artists.proofprofile.net/proofs/artist/1a6c82ff-e9cb-48fb-9bc2-ee511e272fc4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:58:35Z
  text: {"copyright_id":"0xd1e9ed422346bcaba70ee08e2fbab9a1c9b7cb3426f10a54c98c3615805d8551","name":"张宇桦","registered_at":"2026-06-14T07:09:32Z","symbol":"NIM0376948","token_address":"0x0976919480705170d4a803268513182a1e20eabe","type":"artist","uuid":"1a6c82ff-e9cb-48fb-9bc2-ee511e272fc4"}
album: 弹唱学乐理
  type: MusicAlbum
  date published: 2011-12-02
album: 星空下的钢琴曲1
  type: MusicAlbum
  date published: 2013-12-18
  track: 优美的小调
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172800
    explicit: false
    by artist: 张宇桦
    in album: 星空下的钢琴曲1
      type: MusicAlbum
      date published: 2013-12-18
    isrc code: FRS182124196
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T22:21:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0288bf4496a78ff6ea13173c89d658528ade887e2c2f90417a87beb11a72bb02
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958074
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958074
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRS182124196
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-14T22:45:25Z
    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 0x0288bf4496a78ff6ea13173c89d658528ade887e2c2f90417a87beb11a72bb02. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/FRS182124196.
      date published: 2026-07-14T22:45:25Z
    audio: 优美的小调
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 149.955
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.658
      additional property: Energy
        type: PropertyValue
        value: 0.416
      additional property: Speechiness
        type: PropertyValue
        value: 0.053
      additional property: Acousticness
        type: PropertyValue
        value: 0.985
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.884
      additional property: Liveness
        type: PropertyValue
        value: 0.104
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.797
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.397
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 星空下的钢琴曲2
  type: MusicAlbum
  date published: 2015-08-08
album: 宝宝钢琴曲
  type: MusicAlbum
  date published: 2016-12-09
album: 星空下的钢琴曲3
  type: MusicAlbum
  date published: 2019-08-08
album: 竹林流水
  type: MusicAlbum
  date published: 2020-06-12
album: 大自然琴声
  type: MusicAlbum
  date published: 2020-06-12
album: 快乐的中国年
  type: MusicAlbum
  date published: 2021-01-21
album: 最美的勇士
  type: MusicAlbum
  date published: 2021-02-08
album: 星空下的钢琴曲4
  type: MusicAlbum
  date published: 2021-06-17
album: 大自然的竖琴
  type: MusicAlbum
  date published: 2022-01-18
album: 愿你快乐 (纯音版)
  type: MusicAlbum
  date published: 2022-06-21
album: 苏州听雨 (合唱版)
  type: MusicAlbum
  date published: 2022-07-26
album: 大自然的钢琴曲
  type: MusicAlbum
  date published: 2022-10-15
album: 星空下的钢琴曲 (演出版)
  type: MusicAlbum
  date published: 2022-11-07
album: 二十四节气古琴曲
  type: MusicAlbum
  date published: 2023
  track: 为有暗香来 - 古琴版
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164583
    explicit: false
    by artist: 张宇桦
    in album: 二十四节气古琴曲
      type: MusicAlbum
      date published: 2023
    isrc code: DGA072334605
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T11:03:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x09c94863cf33e81d195aec9aaa41b5bb7bf91868a33115d73e06a87e5cae63bd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958444
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958444
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA072334605
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:12:23Z
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: 为有暗香来 - 古琴版
album: 春信
album: 星空下的钢琴曲5
album: 冬藏
album: 花落之声
album: 扬州夜雨
album: 优美的小调
album: 二十四节气钢琴曲
album: 夏末之秋
album: 听雨未眠
album: 美好的风景
album: 兰亭别院
album: 流水之美
album: 愿你快乐 (合奏版)
album: 苏州听雨 (合奏版)
album: 星空萨克斯

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09c94863cf33e81d195aec9aaa41b5bb7bf91868a33115d73e06a87e5cae63bd. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/DGA072334605.
date published: 2026-07-17T19:12:23Z

为有暗香来 - 古琴版
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 143.993
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.555
additional property: Energy
  type: PropertyValue
  value: 0.263
additional property: Speechiness
  type: PropertyValue
  value: 0.031
additional property: Acousticness
  type: PropertyValue
  value: 0.963
additional property: Instrumentalness
  type: PropertyValue
  value: 0.764
additional property: Liveness
  type: PropertyValue
  value: 0.124
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.305
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.529
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

春信
type: MusicAlbum
date published: 2023-01-08

星空下的钢琴曲5
type: MusicAlbum
date published: 2023-07-10

冬藏
type: MusicAlbum
date published: 2023-08-08

花落之声
type: MusicAlbum
date published: 2024-07-08

扬州夜雨
type: MusicAlbum
date published: 2024-07-22

优美的小调
type: MusicAlbum
date published: 2024-08-08

二十四节气钢琴曲
type: MusicAlbum
date published: 2024-08-28

夏末之秋
type: MusicAlbum
date published: 2024-10-09

听雨未眠
type: MusicAlbum
date published: 2024-11-23

美好的风景
type: MusicAlbum
date published: 2024-12-26

兰亭别院
type: MusicAlbum
date published: 2025-02-15

流水之美
type: MusicAlbum
date published: 2025-04-21

愿你快乐 (合奏版)
type: MusicAlbum
date published: 2025-08-26

苏州听雨 (合奏版)
type: MusicAlbum
date published: 2025-09-09

星空萨克斯
type: MusicAlbum
date published: 2025-09-27