劉學甫
type: MusicGroup
genre: chinese indie
genre: chinese r&b
genre: c-pop
genre: mandopop
genre: taiwanese pop
popularity: 19
followers: 923
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa35804724ab97b6dcc25fd7323e856005c89a9a498028e5b38c90f037ae7a4bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953724
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953724
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8bf53d12-a6d1-4d5c-b3b6-17063ed07bda.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8bf53d12-a6d1-4d5c-b3b6-17063ed07bda.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8bf53d12-a6d1-4d5c-b3b6-17063ed07bda
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:43:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0xa35804724ab97b6dcc25fd7323e856005c89a9a498028e5b38c90f037ae7a4bf. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8bf53d12-a6d1-4d5c-b3b6-17063ed07bda.json and https://artists.proofprofile.net/proofs/artist/8bf53d12-a6d1-4d5c-b3b6-17063ed07bda.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
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album: 愛你
  type: MusicAlbum
  date published: 2020-09-01
album: 信念
  type: MusicAlbum
  date published: 2020-12-03
album: 走了
  type: MusicAlbum
  date published: 2020-12-18
album: 料理火了(節目《料理之王》主題曲)
  type: MusicAlbum
  date published: 2020-12-29
album: 初
  type: MusicAlbum
  date published: 2021-01-19
album: 純粹
  type: MusicAlbum
  date published: 2021-04-30
album: Shopee Shopee Go! (蝦皮大學主題曲)
  type: MusicAlbum
  date published: 2021-08-01
album: 來不及說再見
  type: MusicAlbum
  date published: 2021-08-16
  track: 來不及說再見
album: 為你而唱
  type: MusicAlbum
  date published: 2021-12-14
album: 有殼動物
  type: MusicAlbum
  date published: 2022-01-13
album: 只剩一樣
  type: MusicAlbum
  date published: 2022-02-13
album: 為什麼只留下我一個
  type: MusicAlbum
  date published: 2022-04-28
  track: 為什麼只留下我一個
album: 說你願意
  type: MusicAlbum
  date published: 2023-03-14
album: 暗戀的感覺
  type: MusicAlbum
  date published: 2023-05-04
album: 哭吧 (feat. 台北建東JD)
  type: MusicAlbum
  date published: 2023-06-15
album: 寶藏男孩
  type: MusicAlbum
  date published: 2023-07-20
album: 完美的缺口
  type: MusicAlbum
  date published: 2024-05-09
album: 還太早
  type: MusicAlbum
  date published: 2025-05-07
album: 什麼毛病
  type: MusicAlbum
  date published: 2025-06-24
  track: 什麼毛病
    type: MusicRecording
    duration: PT2M56S
    duration ms: 176722
    explicit: false
    by artist: 劉學甫
    in album: 什麼毛病
      type: MusicAlbum
      date published: 2025-06-24
    genre: chinese indie
    genre: chinese r&b
    genre: c-pop
    genre: mandopop
    genre: taiwanese pop
    isrc code: TWU712504953
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T08:44:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4a876f3569ae6fbdbf6d126667413a59ee04769b5f0adadd883770b326a19c25
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958526
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958526
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWU712504953
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T09:09:53Z
    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 0x4a876f3569ae6fbdbf6d126667413a59ee04769b5f0adadd883770b326a19c25. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/TWU712504953.
      date published: 2026-07-18T09:09:53Z
    audio: 什麼毛病
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.616
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.324
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.146
      additional property: Valence (Positivity)
        type: PropertyValue
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.082
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 早點睡
  type: MusicAlbum
  date published: 2025-09-01
album: 捨不得
  type: MusicAlbum
  date published: 2025-10-06
track: We Are, We Can Be

來不及說再見
type: MusicRecording
duration: PT4M30S
duration ms: 270103
explicit: false
by artist: 劉學甫
in album: 來不及說再見
  type: MusicAlbum
  date published: 2021-08-16
genre: chinese indie
genre: chinese r&b
genre: c-pop
genre: mandopop
genre: taiwanese pop
isrc code: TWU712102977
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T02:48:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f5d7e66b3692fe09f55a5583194f09a7b51a734aa2d8ce9b3fd3544c16dbca1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWU712102977
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f5d7e66b3692fe09f55a5583194f09a7b51a734aa2d8ce9b3fd3544c16dbca1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TWU712102977.
  date published: 2026-07-02T05:09:12Z
audio: 來不及說再見
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.594
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.41
  additional property: Energy
    type: PropertyValue
    value: 0.321
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.661
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.388
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.837
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

為什麼只留下我一個
type: MusicRecording
duration: PT3M46S
duration ms: 226702
explicit: false
by artist: 劉學甫
in album: 為什麼只留下我一個
  type: MusicAlbum
  date published: 2022-04-28
genre: chinese indie
genre: chinese r&b
genre: c-pop
genre: mandopop
genre: taiwanese pop
isrc code: TWU712202084
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T16:15:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa250bd151791e8114bb40da80f9c31299cab39d9e2d35246e43a45b7b36a5ca5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWU712202084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953515
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:53:06+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa250bd151791e8114bb40da80f9c31299cab39d9e2d35246e43a45b7b36a5ca5. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/TWU712202084.
  date published: 2026-06-13T12:53:06Z
audio: 為什麼只留下我一個
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.188
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.313
  additional property: Energy
    type: PropertyValue
    value: 0.274
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.848
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.322
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.338
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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We Are, We Can Be
type: MusicRecording
duration: PT4M0S
duration ms: 240000
explicit: false
by artist: Princess Ai
by artist: Ella Chen
by artist: Yuki Hsu
by artist: Control T
by artist: 理想混蛋 雞丁
by artist: Evangeline Wong
by artist: 小盛
by artist: 劉學甫
by artist: 夫夫之道
by artist: FJ234-Josh
by artist: FJ234-FuFu
by artist: 陳瑽
by artist: 李佳歡
by artist: 鄭可強
by artist: 那那大師
by artist: DJ Ken Lin 林軒
by artist: 豪大夫
by artist: 黃氏兄弟瑋瑋
by artist: 阿古
by artist: Vicky Chen
by artist: 游泳教練Yilian
by artist: 阿畫
by artist: 許維芳
by artist: 阿卡貝拉－卡卡
by artist: 阿卡貝拉－貝拉
by artist: 小銘小玄
by artist: 舜舜安仔
by artist: Soya手癢計畫
by artist: 瑩真律師
by artist: 大賈遇頭
by artist: 哆啦女神
by artist: Joe 周賢忠
by artist: 傳播弟
by artist: 祐銘 Yu Ming
by artist: 泰辣 Tyla
by artist: 史九87
by artist: 二哥
by artist: 三原JAPAN
by artist: 黃小愛
by artist: Alizabeth 娘娘
by artist: 企鵝 Renguin
by artist: 楊艾萱 Iris
by artist: Claven
by artist: 琟娜 Verna
in album: We Are, We Can Be
  type: MusicAlbum
  date published: 2020-10-15
isrc code: TWCC32008316
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T06:21:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd52f201f0dd15d7c98b792871f5ce541c3ae4f201a53df35bdb999fd6217151
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWCC32008316
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd52f201f0dd15d7c98b792871f5ce541c3ae4f201a53df35bdb999fd6217151. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/TWCC32008316.
  date published: 2026-06-13T15:41:10Z
audio: We Are, We Can Be
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.769
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.496
  additional property: Energy
    type: PropertyValue
    value: 0.554
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.05
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.052
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.217
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.416
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major