小鋼琴
type: MusicGroup
popularity: 26
followers: 225
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61a1c8bee37ff664c2fc3c1c95b121c8f593e40f8ab8f37306c452e1378973d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f2f4197f-b750-4d55-8dc4-8750c0ad3a58.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f2f4197f-b750-4d55-8dc4-8750c0ad3a58.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f2f4197f-b750-4d55-8dc4-8750c0ad3a58
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x61a1c8bee37ff664c2fc3c1c95b121c8f593e40f8ab8f37306c452e1378973d0","name":"小鋼琴","registered_at":"2026-06-12T13:34:22Z","symbol":"NIM0313093","token_address":"0xe70a2f4d4464313ef80c6a1b9d73d744c7ce963b","type":"artist","uuid":"f2f4197f-b750-4d55-8dc4-8750c0ad3a58"}
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 0x61a1c8bee37ff664c2fc3c1c95b121c8f593e40f8ab8f37306c452e1378973d0. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f2f4197f-b750-4d55-8dc4-8750c0ad3a58.json and https://artists.proofprofile.net/proofs/artist/f2f4197f-b750-4d55-8dc4-8750c0ad3a58.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x61a1c8bee37ff664c2fc3c1c95b121c8f593e40f8ab8f37306c452e1378973d0","name":"小鋼琴","registered_at":"2026-06-12T13:34:22Z","symbol":"NIM0313093","token_address":"0xe70a2f4d4464313ef80c6a1b9d73d744c7ce963b","type":"artist","uuid":"f2f4197f-b750-4d55-8dc4-8750c0ad3a58"}
album: 鋼琴曲大全2019 - 輕音樂和鋼琴曲為了學習和集中注意力
  type: MusicAlbum
  date published: 2019-01-18
album: 起床聽鋼琴 - 早上適合聽的輕音樂和鋼琴曲
  type: MusicAlbum
  date published: 2019-07-23
  track: 起床聽鋼琴
    type: MusicRecording
    duration: PT4M20S
    duration ms: 260450
    explicit: false
    by artist: 小鋼琴
    in album: 起床聽鋼琴 - 早上適合聽的輕音樂和鋼琴曲
      type: MusicAlbum
      date published: 2019-07-23
    isrc code: ITO101930728
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T15:04:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd96dc0daf735160764158cd1056610057e160b9aad1a2fea2a3789cff0b6509d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO101930728
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0xd96dc0daf735160764158cd1056610057e160b9aad1a2fea2a3789cff0b6509d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ITO101930728.
      date published: 2026-07-03T19:59:51Z
    audio: 起床聽鋼琴
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.052
      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: 0.528
      additional property: Energy
        type: PropertyValue
        value: 0.005
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.989
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.957
      additional property: Liveness
        type: PropertyValue
        value: 0.13
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.164
      additional property: Loudness (dB)
        type: PropertyValue
        value: -28.115
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: 深度睡眠
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219515
    explicit: false
    by artist: 小鋼琴
    in album: 起床聽鋼琴 - 早上適合聽的輕音樂和鋼琴曲
      type: MusicAlbum
      date published: 2019-07-23
    isrc code: ITO101930729
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T03:15:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1f95d11a4d0e7585786e7cfa35614425766dfd9e7322a1fee87440d3d60a4586
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958489
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO101930729
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    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 0x1f95d11a4d0e7585786e7cfa35614425766dfd9e7322a1fee87440d3d60a4586. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/ITO101930729.
      date published: 2026-07-18T04:13:26Z
    audio: 深度睡眠
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.005
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.623
      additional property: Energy
        type: PropertyValue
        value: 0.012
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.99
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.964
      additional property: Liveness
        type: PropertyValue
        value: 0.097
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.231
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: 一首詩
album: 睡眠好音樂: 嬰兒搖籃曲入睡，寶寶睡眠
album: 早上鋼琴音樂: 早上最適合聽的輕音樂, 咖啡廳鋼琴背景音樂
album: 放鬆的鋼琴音樂 – 為了在家放鬆的背景音樂，適合放鬆、休息、看書、學習、安靜睡眠的純音樂
album: 溫柔的鋼琴曲: 放鬆鋼琴音樂，優雅餐廳的鋼琴背景音樂，酒店大廳、舒適咖啡廳的鋼琴背景音樂
album: 春季鋼琴曲 - 14首非常柔和的鋼琴歌曲，適合早餐、閱讀、休息、學習的悅耳音樂
album: 好聽的鋼琴曲: 輕音樂為了休息，看書，學習，勵志的歌曲

Loudness (dB)
type: PropertyValue
value: -27.288

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

一首詩
type: MusicRecording
duration: PT3M32S
duration ms: 212393
explicit: false
by artist: 小鋼琴
in album: 起床聽鋼琴 - 早上適合聽的輕音樂和鋼琴曲
  type: MusicAlbum
  date published: 2019-07-23
isrc code: ITO101930733
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T21:10:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x480221c8a1d9ef8d17aaadd08883705026c34339d97c65758e05efaadfdebb2a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956402
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956402
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO101930733
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:00:14Z
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 0x480221c8a1d9ef8d17aaadd08883705026c34339d97c65758e05efaadfdebb2a. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T04:00:14Z), 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/ITO101930733.
  date published: 2026-07-17T04:00:14Z
audio: 一首詩
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.995
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.663
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.251
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.075
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

睡眠好音樂: 嬰兒搖籃曲入睡，寶寶睡眠
type: MusicAlbum
date published: 2020-02-26

早上鋼琴音樂: 早上最適合聽的輕音樂, 咖啡廳鋼琴背景音樂
type: MusicAlbum
date published: 2021-06-07
track: 慢鋼琴ＢＧＭ
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258126
  explicit: false
  by artist: 小鋼琴
  in album: 早上鋼琴音樂: 早上最適合聽的輕音樂, 咖啡廳鋼琴背景音樂
    type: MusicAlbum
    date published: 2021-06-07
  isrc code: ITO102070574
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T20:17:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6ed98c4b72a20066c46f19975ff3a47c02a2da17335e03357a76b0d7b3b35e43
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO102070574
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0x6ed98c4b72a20066c46f19975ff3a47c02a2da17335e03357a76b0d7b3b35e43. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITO102070574.
    date published: 2026-07-02T16:51:38Z
  audio: 慢鋼琴ＢＧＭ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 180.049
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.497
    additional property: Energy
      type: PropertyValue
      value: 0.175
    additional property: Speechiness
      type: PropertyValue
      value: 0.06
    additional property: Acousticness
      type: PropertyValue
      value: 0.984
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.892
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.293
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.352
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 療癒減壓無憂
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257165
  explicit: false
  by artist: 小鋼琴
  in album: 早上鋼琴音樂: 早上最適合聽的輕音樂, 咖啡廳鋼琴背景音樂
    type: MusicAlbum
    date published: 2021-06-07
  isrc code: ITO102070576
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T21:09:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea62be01072cbbdd46e07ec7576e5ebb228c61ea278689b2ae32087ddc874a64
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956404
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956404
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO102070576
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T02:35:08Z
  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 0xea62be01072cbbdd46e07ec7576e5ebb228c61ea278689b2ae32087ddc874a64. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T02:35:08Z), 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/ITO102070576.
    date published: 2026-07-17T02:35:08Z
  audio: 療癒減壓無憂
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.962
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.622
    additional property: Energy
      type: PropertyValue
      value: 0.115
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.863
    additional property: Liveness
      type: PropertyValue
      value: 0.138
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.158
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.072
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 早上喝咖啡
  type: MusicRecording
  duration: PT1M14S
  duration ms: 74861
  explicit: false
  by artist: 小鋼琴
  in album: 早上鋼琴音樂: 早上最適合聽的輕音樂, 咖啡廳鋼琴背景音樂
    type: MusicAlbum
    date published: 2021-06-07
  isrc code: ITO102070578
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T13:30:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea97530390c99830e66bc5b31737202c7ff6a92fca3bf13824ff6092f8a9acfd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958166
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958166
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO102070578
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 早上喝咖啡

OTSTimestamp
type: PropertyValue
value: 2026-07-15T16:33:45Z

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 0xea97530390c99830e66bc5b31737202c7ff6a92fca3bf13824ff6092f8a9acfd. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:33:45Z), 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/ITO102070578.
date published: 2026-07-15T16:33:45Z

早上喝咖啡
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 162.142
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.676
additional property: Energy
  type: PropertyValue
  value: 0.255
additional property: Speechiness
  type: PropertyValue
  value: 0.078
additional property: Acousticness
  type: PropertyValue
  value: 0.986
additional property: Instrumentalness
  type: PropertyValue
  value: 0.935
additional property: Liveness
  type: PropertyValue
  value: 0.121
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.159
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.676
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

放鬆的鋼琴音樂 – 為了在家放鬆的背景音樂，適合放鬆、休息、看書、學習、安靜睡眠的純音樂
type: MusicAlbum
date published: 2022-07-08

溫柔的鋼琴曲: 放鬆鋼琴音樂，優雅餐廳的鋼琴背景音樂，酒店大廳、舒適咖啡廳的鋼琴背景音樂
type: MusicAlbum
date published: 2023-01-19

春季鋼琴曲 - 14首非常柔和的鋼琴歌曲，適合早餐、閱讀、休息、學習的悅耳音樂
type: MusicAlbum
date published: 2023-02-20

好聽的鋼琴曲: 輕音樂為了休息，看書，學習，勵志的歌曲
type: MusicAlbum
date published: 2023-02-24