考試
type: MusicGroup
popularity: 19
followers: 321
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e5cd730ddf71a199ee969840b6a1e3e50b13cfb823d6955434790fe3e129701
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6ba6cf45-518f-4065-a73e-1b27f0998ce5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6ba6cf45-518f-4065-a73e-1b27f0998ce5.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6ba6cf45-518f-4065-a73e-1b27f0998ce5
additional property: OTSTimestamp
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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 0x4e5cd730ddf71a199ee969840b6a1e3e50b13cfb823d6955434790fe3e129701. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6ba6cf45-518f-4065-a73e-1b27f0998ce5.json and https://artists.proofprofile.net/proofs/artist/6ba6cf45-518f-4065-a73e-1b27f0998ce5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:49:28Z
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album: 提升學習力200% - 純音樂為了考試，大學課程，自學和補考
  type: MusicAlbum
  date published: 2018-07-16
album: 提升學習力200% - 純音樂為了考試，大學課程，自學和補考
  type: MusicAlbum
  date published: 2018-08-30
album: 波音樂大全 – 為了學習，休息和冥想
  type: MusicAlbum
  date published: 2018-11-26
album: 學習專注力讀書音樂 - 最有效的學習音樂
  type: MusicAlbum
  date published: 2018-12-13
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      type: MusicAlbum
      date published: 2018-12-13
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    additional property: CopyrightStatus
      type: PropertyValue
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      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958180
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958180
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITLU51873593
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T20:45:04Z
    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 0x47fe710782c1534648efcd64db96f09f8e92ef4413876c684c5f0fb04c1c1582. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:45:04Z), 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/ITLU51873593.
      date published: 2026-07-15T20:45:04Z
    audio: 學習專注力讀書音樂
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        type: PropertyValue
        value: 80.052
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
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        value: 0
      additional property: Time Signature
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      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Instrumentalness
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        type: PropertyValue
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -31.379
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        type: PropertyValue
        value: Eb
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        type: PropertyValue
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album: 一起學習吧 - 大自然聲音和鋼琴曲為了一個人安靜的預讀和學習
  type: MusicAlbum
  date published: 2019-03-01
album: 看書BGM - 集中注意力音樂為了讓你變成學霸
  type: MusicAlbum
  date published: 2019-03-27
album: α波學習音樂 - 最適合的溫柔學習音樂為了集中注意力
  type: MusicAlbum
  date published: 2019-05-15
  track: 治療
    type: MusicRecording
    duration: PT3M59S
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    explicit: false
    by artist: 考試
    in album: α波學習音樂 - 最適合的溫柔學習音樂為了集中注意力
      type: MusicAlbum
      date published: 2019-05-15
    isrc code: ITO101915033
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO101915033
    additional property: OTSTimestamp
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    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 0xba7b2d2f0fb528fbcdfcb0f7868566757c0b6d35fb704eac165d742443b0babf. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ITO101915033.
      date published: 2026-07-04T11:19:20Z
    audio: 治療
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 87.054
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
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      additional property: Energy
        type: PropertyValue
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      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
  track: 深層睡眠
album: 刺激大腦開發 - 全腦開發高效歌曲和輕音樂
album: 小學霸2019 - 學生們最喜歡聽的鋼琴曲為了學習，複習和考試
album: 學習專用音樂：幫助學生學習的背景音樂，阿爾法腦波，大腦音樂，新增專注力的音樂

Speechiness
type: PropertyValue
value: 0.036

Acousticness
type: PropertyValue
value: 0.873

Instrumentalness
type: PropertyValue
value: 0.925

Liveness
type: PropertyValue
value: 0.12

Valence (Positivity)
type: PropertyValue
value: 0.22

Loudness (dB)
type: PropertyValue
value: -22.037

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

深層睡眠
type: MusicRecording
duration: PT6M37S
duration ms: 397000
explicit: false
by artist: 考試
in album: α波學習音樂 - 最適合的溫柔學習音樂為了集中注意力
  type: MusicAlbum
  date published: 2019-05-15
isrc code: ITO101915041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T01:35:15+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO101915041
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T08:56:35Z
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 0xd62e4411afd7dd11055ab84e08fad05310699dda106a2351dad2fe76583a27b4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ITO101915041.
  date published: 2026-07-03T08:56:35Z
audio: 深層睡眠
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 68.275
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.874
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.838
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.592
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

刺激大腦開發 - 全腦開發高效歌曲和輕音樂
type: MusicAlbum
date published: 2019-07-11

小學霸2019 - 學生們最喜歡聽的鋼琴曲為了學習，複習和考試
type: MusicAlbum
date published: 2019-09-10

學習專用音樂：幫助學生學習的背景音樂，阿爾法腦波，大腦音樂，新增專注力的音樂
type: MusicAlbum
date published: 2022-05-18