二珂
type: MusicGroup
genre: chinese indie
genre: c-pop
genre: mandopop
popularity: 20
followers: 5804
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x19a9221c1afcce885e39affa6d7f2c2684b87e9868e2bde6e0c26dff6827e964
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 0x19a9221c1afcce885e39affa6d7f2c2684b87e9868e2bde6e0c26dff6827e964. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/783bf798-a045-4bfe-8112-790937a95907.json and https://artists.proofprofile.net/proofs/artist/783bf798-a045-4bfe-8112-790937a95907.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:58:38Z
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album: 櫻花粉的浪漫
  type: MusicAlbum
  date published: 2017-09-12
album: 三角題
  type: MusicAlbum
  date published: 2017-09-20
album: 帶著音樂去旅行
  type: MusicAlbum
  date published: 2017-10-11
  track: 櫻花粉的浪漫
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    duration: PT3M21S
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    by artist: 二珂
    in album: 帶著音樂去旅行
      type: MusicAlbum
      date published: 2017-10-11
    genre: chinese indie
    genre: c-pop
    genre: mandopop
    isrc code: CNZ441700102
    additional property: CopyrightID
    additional property: CopyrightStatus
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      type: PropertyValue
      value: 2026-07-12T19:18:21+00:00
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      type: PropertyValue
      value: https://blockstream.info/api/block-height/957747
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CNZ441700102
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T19:35:06Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33f972b2624a88789e5b5f30d77a0e61d2e3ca7f100cca8dc6456cb1c84761b5. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/CNZ441700102.
      date published: 2026-07-12T19:35:06Z
    audio: 櫻花粉的浪漫
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94.033
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.758
      additional property: Energy
        type: PropertyValue
        value: 0.552
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.397
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.104
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.427
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.041
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 帶著音樂去旅行
  type: MusicAlbum
  date published: 2017-10-11
album: 帶著音樂去旅行
  type: MusicAlbum
  date published: 2017-10-11
album: 孤独她呀
  type: MusicAlbum
  date published: 2018-07-21
album: 孤独她呀
  type: MusicAlbum
  date published: 2018-07-21
album: 仅剩一口的青春 (网络剧原声带)
  type: MusicAlbum
  date published: 2018-08-10
album: 走失在1990
  type: MusicAlbum
  date published: 2019-10-18
album: 我终究是爱你的
  type: MusicAlbum
  date published: 2019-11-11
album: 复乐园
  type: MusicAlbum
  date published: 2019-12-04
album: 隱形人
  type: MusicAlbum
  date published: 2020-05-17
album: 余光
  type: MusicAlbum
  date published: 2020-12-29
album: 孤单心事
  type: MusicAlbum
  date published: 2022-01-20
album: 孤单心事
  type: MusicAlbum
  date published: 2022-01-20
album: 逻辑漏洞
  type: MusicAlbum
  date published: 2022-04-14
album: 逻辑漏洞
  type: MusicAlbum
  date published: 2022-04-14
album: 思念从夜晚徒步到天明
  type: MusicAlbum
  date published: 2022-07-30
album: 思念从夜晚徒步到天明
  type: MusicAlbum
  date published: 2022-07-30
album: 思念从夜晚徒步到天明
  type: MusicAlbum
  date published: 2022-07-30
album: Juliet's Rose
  type: MusicAlbum
  date published: 2022-12-23
album: 我只是在睡前想了一下你
  type: MusicAlbum
  date published: 2023-01-03
album: 我只是在睡前想了一下你
  type: MusicAlbum
  date published: 2023-01-03
  track: 我只是在睡前想了一下你
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257194
    explicit: false
    by artist: 二珂
    in album: 我只是在睡前想了一下你
    genre: chinese indie
    genre: c-pop
    genre: mandopop
    isrc code: TWDL72206243
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: 我只是在睡前想了一下你
album: 涟漪心事
track: Be My Valentine (電視劇《沒有秘密的你》插曲)

Be My Valentine (電視劇《沒有秘密的你》插曲)
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duration: PT3M38S
duration ms: 218350
explicit: false
by artist: 二珂
in album: 電視劇《沒有秘密的你》原聲帶
  type: MusicAlbum
  date published: 2019-10-18
isrc code: TWU711905936
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:01:47+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5f6a276bdddb27bdea048d02271235723c0e54991e19d7190d0e04ccfd3c4e58
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWU711905936
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:54:37+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
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  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957067
additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f6a276bdddb27bdea048d02271235723c0e54991e19d7190d0e04ccfd3c4e58. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/TWU711905936.
  date published: 2026-07-07T18:50:38Z
audio: Be My Valentine (電視劇《沒有秘密的你》插曲)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.98
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.755
  additional property: Energy
    type: PropertyValue
    value: 0.537
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.668
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.145
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.789
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.356
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

二珂
type: MusicGroup

我只是在睡前想了一下你
type: MusicAlbum
date published: 2023-01-03

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-03T04:40:00+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x793a04da738f3caff8d0e933c8a53cad0fe7990aa5b49a4964570a0b63ea3960

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956474

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956474

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWDL72206243

OTSTimestamp
type: PropertyValue
value: 2026-07-03T08:56:35Z

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 0x793a04da738f3caff8d0e933c8a53cad0fe7990aa5b49a4964570a0b63ea3960. 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/TWDL72206243.
date published: 2026-07-03T08:56:35Z

我只是在睡前想了一下你
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 202.998
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.376
additional property: Energy
  type: PropertyValue
  value: 0.263
additional property: Speechiness
  type: PropertyValue
  value: 0.052
additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
  type: PropertyValue
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additional property: Liveness
  type: PropertyValue
  value: 0.107
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.419
additional property: Loudness (dB)
  type: PropertyValue
  value: -14.13
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

涟漪心事
type: MusicAlbum
date published: 2023-04-14