Vũ.
type: MusicGroup
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
popularity: 63
followers: 2423504
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xd694fa5e8f4515208ad41d711b5cdb63e4b03bb38fc1599368971a64e3114f18
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/81f02b40-2c14-45f5-a8f9-bfb782a2f8a7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/81f02b40-2c14-45f5-a8f9-bfb782a2f8a7.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/81f02b40-2c14-45f5-a8f9-bfb782a2f8a7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd694fa5e8f4515208ad41d711b5cdb63e4b03bb38fc1599368971a64e3114f18. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81f02b40-2c14-45f5-a8f9-bfb782a2f8a7.json and https://artists.proofprofile.net/proofs/artist/81f02b40-2c14-45f5-a8f9-bfb782a2f8a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Ngỡ Như Là
  type: MusicAlbum
  date published: 2013-03-28
album: Lời Yêu Em
  type: MusicAlbum
  date published: 2013-03-28
album: Phút Ban Đầu
  type: MusicAlbum
  date published: 2013-03-28
album: Xuân Hà Nội
  type: MusicAlbum
  date published: 2013-03-28
album: Phút Ban Đầu
  type: MusicAlbum
  date published: 2013-03-28
album: Ngỡ Như Là
  type: MusicAlbum
  date published: 2013-03-28
album: Lời Yêu Em
  type: MusicAlbum
  date published: 2013-03-28
album: Thằng Nam Khóc
  type: MusicAlbum
  date published: 2015-03-28
album: Thằng Nam Khóc
  type: MusicAlbum
  date published: 2015-03-28
  track: Thằng Nam Khóc
    type: MusicRecording
    duration: PT4M24S
    duration ms: 264335
    explicit: false
    by artist: Vũ.
    in album: Thằng Nam Khóc
      type: MusicAlbum
      date published: 2015-03-28
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: VNA111900147
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T03:15:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x04d46fd6d285417cd5900ec614b99a545708cf7979f447a753f2bcbc97994e2f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA111900147
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d46fd6d285417cd5900ec614b99a545708cf7979f447a753f2bcbc97994e2f. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/VNA111900147.
      date published: 2026-07-04T10:04:33Z
    audio: Thằng Nam Khóc
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.768
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      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: Acousticness
        type: PropertyValue
        value: 0.994
      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.814
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Đông Kiếm Em
  type: MusicAlbum
  date published: 2015-03-28
album: Thằng Nam Khóc (feat. Madihu)
  type: MusicAlbum
  date published: 2015-03-28
album: Đông Kiếm Em
  type: MusicAlbum
  date published: 2015-03-28
album: Thằng Nam Khóc
  type: MusicAlbum
  date published: 2015-03-28
album: Còn Anh
  type: MusicAlbum
  date published: 2016-07-25
album: Lạ Lùng
  type: MusicAlbum
  date published: 2016-12-24
album: Đợi
  type: MusicAlbum
  date published: 2017-03-28
album: Đợi
  type: MusicAlbum
  date published: 2017-03-28
album: La Lung
  type: MusicAlbum
  date published: 2017-09-01
album: Dong Kiem Em
  type: MusicAlbum
  date published: 2017-09-01
album: Hà Nội Gen Trội
  type: MusicAlbum
  date published: 2018-03-01
album: Mùa Mưa Ngâu Nằm Cạnh
  type: MusicAlbum
  date published: 2018-03-28
album: Mùa Mưa Ngâu Nằm Cạnh
  type: MusicAlbum
  date published: 2018-03-28
album: Lạ Lùng
  type: MusicAlbum
  date published: 2018-03-28
album: Chuyện Những Người Yêu Xa
  type: MusicAlbum
  date published: 2018-03-28
album: Hỏi & Đáp
album: Chuyện những người yêu xa
album: Hành Tinh Song Song
album: Tâm Sự Của Ta
album: Do Ai?
album: Vu Tru Song Song
album: Her Summer
album: Vũ Trụ Song Song
album: ĐÃ TỪNG LÀ
album: ĐÃ TỪNG LÀ (Acoustic Version)
album: Một Giấc Mơ (feat. Kimmese)
album: Hà Nội Gen Trội (feat. Gừng)
album: Bước Qua Mùa Cô Đơn
album: Bước Qua Nhau
album: Chậm Lại
album: Cô ta
album: Một Vạn Năm
album: Anh Nhớ Ra (Solo Version)
album: Đợi (2023 Version)
album: Căn Nhà Vui
album: Những Lời Hứa Bỏ Quên
album: Dành Hết Xuân Thì Để Chờ Nhau
album: bình yên
album: Nếu Những Tiếc Nuối
album: Bảo Tàng Của Nuối Tiếc
track: Mùa Đông Chưa Bao Giờ Tới (feat. Vũ.)

Hỏi & Đáp
type: MusicAlbum
date published: 2018-03-28

Hỏi & Đáp
type: MusicAlbum
date published: 2018-03-28

Chuyện những người yêu xa
type: MusicAlbum
date published: 2018-03-28

Hành Tinh Song Song
type: MusicAlbum
date published: 2018-09-10

Tâm Sự Của Ta
type: MusicAlbum
date published: 2018-12-19

Tâm Sự Của Ta
type: MusicAlbum
date published: 2018-12-19

Do Ai?
type: MusicAlbum
date published: 2019-06-08

Vu Tru Song Song
type: MusicAlbum
date published: 2019-06-11

Her Summer
type: MusicAlbum
date published: 2019-07-18

Vũ Trụ Song Song
type: MusicAlbum
date published: 2019-11-06
track: Rơi Quá Khứ
  type: MusicRecording
  duration: PT6M8S
  duration ms: 368000
  explicit: false
  by artist: Vũ.
  in album: Vũ Trụ Song Song
    type: MusicAlbum
    date published: 2019-11-06
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA111900131
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T11:24:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x875b2b323ebade32f9177c5505e3a7a54feff482f2054515ee0598fd16a3ce39
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957558
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957558
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA111900131
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T11:36:38Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x875b2b323ebade32f9177c5505e3a7a54feff482f2054515ee0598fd16a3ce39. Chain 2 (Bitcoin): anchored in block 957558 (2026-07-11T11:36:38Z), 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/VNA111900131.
    date published: 2026-07-11T11:36:38Z
  audio: Rơi Quá Khứ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.944
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.665
    additional property: Energy
      type: PropertyValue
      value: 0.61
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.244
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.269
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.408
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.426
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
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ĐÃ TỪNG LÀ
type: MusicAlbum
date published: 2020-05-01

ĐÃ TỪNG LÀ (Acoustic Version)
type: MusicAlbum
date published: 2020-05-15

Một Giấc Mơ (feat. Kimmese)
type: MusicAlbum
date published: 2020-06-19

Hà Nội Gen Trội
type: MusicAlbum
date published: 2020-11-16

Hà Nội Gen Trội (feat. Gừng)
type: MusicAlbum
date published: 2020-11-26
track: Hà Nội Gen Trội (feat. Gừng)
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261293
  explicit: false
  by artist: Vũ.
  in album: Hà Nội Gen Trội (feat. Gừng)
    type: MusicAlbum
    date published: 2020-11-26
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1909550
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T04:39:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7b304f822a68547b4b1ded8883a66489cb9b9096aef5492e6fb779852a8bf316
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958666
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958666
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1909550
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T05:00:30Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b304f822a68547b4b1ded8883a66489cb9b9096aef5492e6fb779852a8bf316. Chain 2 (Bitcoin): anchored in block 958666 (2026-07-19T05:00:30Z), 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/VNA0M1909550.
    date published: 2026-07-19T05:00:30Z
  audio: Hà Nội Gen Trội (feat. Gừng)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.713
    additional property: Energy
      type: PropertyValue
      value: 0.529
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.56
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.073
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.307
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.599
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
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Bước Qua Mùa Cô Đơn
type: MusicAlbum
date published: 2020-12-10

Bước Qua Nhau
type: MusicAlbum
date published: 2021-11-11

Chậm Lại
type: MusicAlbum
date published: 2022-08-25

Cô ta
type: MusicAlbum
date published: 2022-09-08

Một Vạn Năm
type: MusicAlbum
date published: 2022-09-09

Anh Nhớ Ra (Solo Version)
type: MusicAlbum
date published: 2022-11-17

Đợi (2023 Version)
type: MusicAlbum
date published: 2023-06-01

Đợi (2023 Version)
type: MusicAlbum
date published: 2023-06-09
track: Đợi - 2023 Version
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244962
  explicit: false
  by artist: Vũ.
  in album: Đợi (2023 Version)
    type: MusicAlbum
    date published: 2023-06-09
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA112300839
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T11:34:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6d59d34443e9db88b897ecc0a793125e9521ad27dc3438542fc309d262a9f42d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957561
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112300839
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T11:41:29Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d59d34443e9db88b897ecc0a793125e9521ad27dc3438542fc309d262a9f42d. Chain 2 (Bitcoin): anchored in block 957561 (2026-07-11T11:41:29Z), 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/VNA112300839.
    date published: 2026-07-11T11:41:29Z
  audio: Đợi - 2023 Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    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
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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
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      type: PropertyValue
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    additional property: Key Name
      type: PropertyValue
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track: Đợi
  type: MusicRecording
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  explicit: false
  by artist: Vũ.
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    type: MusicAlbum
    date published: 2023-06-09
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T10:59:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a248fcc2a5164bbfa3d057378ac0c4fe71bc0ed72b15e1524bb92984ef29586
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957556
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA111900138
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T11:14:07Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a248fcc2a5164bbfa3d057378ac0c4fe71bc0ed72b15e1524bb92984ef29586. Chain 2 (Bitcoin): anchored in block 957556 (2026-07-11T11:14:07Z), 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/VNA111900138.
    date published: 2026-07-11T11:14:07Z
  audio: Đợi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.925
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.664
    additional property: Energy
      type: PropertyValue
      value: 0.196
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.811
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.122
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.128
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.777
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Căn Nhà Vui
type: MusicAlbum
date published: 2023-09-10

Những Lời Hứa Bỏ Quên
type: MusicAlbum
date published: 2023-12-14

Dành Hết Xuân Thì Để Chờ Nhau
type: MusicAlbum
date published: 2024-03-14
track: Dành Hết Xuân Thì Để Chờ Nhau
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288380
  explicit: false
  by artist: Vũ.
  in album: Dành Hết Xuân Thì Để Chờ Nhau
    type: MusicAlbum
    date published: 2024-03-14
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA112400005
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T07:52:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0063203c28247a329fcfff9d10acce30280c4a39b6ec660b9d0e7f755d8e4be3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400005
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0063203c28247a329fcfff9d10acce30280c4a39b6ec660b9d0e7f755d8e4be3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400005.
    date published: 2026-06-13T12:47:07Z
  audio: Dành Hết Xuân Thì Để Chờ Nhau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.865
    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: 0.487
    additional property: Energy
      type: PropertyValue
      value: 0.371
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.595
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.126
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.17
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.73
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

bình yên
type: MusicAlbum
date published: 2024-08-29

Nếu Những Tiếc Nuối
type: MusicAlbum
date published: 2024-09-26

Bảo Tàng Của Nuối Tiếc
type: MusicAlbum
date published: 2024-09-27
track: Nếu Những Tiếc Nuối
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260488
  explicit: false
  by artist: Vũ.
  in album: Bảo Tàng Của Nuối Tiếc
    type: MusicAlbum
    date published: 2024-09-27
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA112400087
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T23:58:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9edd120cdcdae8a9a1fe3209a52512872450399872af8d65850666d0d641c86e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400087
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9edd120cdcdae8a9a1fe3209a52512872450399872af8d65850666d0d641c86e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400087.
    date published: 2026-06-13T12:47:07Z
  audio: Nếu Những Tiếc Nuối
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 147.036
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.372
    additional property: Energy
      type: PropertyValue
      value: 0.399
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.771
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.244
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.504
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Mùa Mưa Ấy
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228065
  explicit: false
  by artist: Vũ.
  in album: Bảo Tàng Của Nuối Tiếc
    type: MusicAlbum
    date published: 2024-09-27
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA112400088
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T03:31:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x425e5595fc303c1d8725953a1f3fc01d1461dd0d29147757b3393dc1a4bc196e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400088
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x425e5595fc303c1d8725953a1f3fc01d1461dd0d29147757b3393dc1a4bc196e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400088.
    date published: 2026-06-13T12:47:07Z
  audio: Mùa Mưa Ấy
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.487
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.464
    additional property: Energy
      type: PropertyValue
      value: 0.383
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.732
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.236
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.251
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Ngồi Chờ Trong Vấn Vương
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201694
  explicit: false
  by artist: Vũ.
  in album: Bảo Tàng Của Nuối Tiếc
    type: MusicAlbum
    date published: 2024-09-27
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA112400089
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:32:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x818cd1870ee26b409bf0e71f1ed9511fddf98a33b641b5ab70e50c528e6735fd
  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: Ngồi Chờ Trong Vấn Vương
track: Dành Hết Xuân Thì Để Chờ Nhau
track: Và Em Sẽ Luôn Là Người Tôi Yêu Nhất
track: Những Chuyến Bay
track: Mây Khóc Vì Điều Gì
track: Những Lời Hứa Bỏ Quên
track: Không Yêu Em Thì Yêu Ai?
track: bình yên

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953513

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953513

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400089

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:47:07Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x818cd1870ee26b409bf0e71f1ed9511fddf98a33b641b5ab70e50c528e6735fd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400089.
date published: 2026-06-13T12:47:07Z

Ngồi Chờ Trong Vấn Vương
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 159.982
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: 0.458
additional property: Energy
  type: PropertyValue
  value: 0.642
additional property: Speechiness
  type: PropertyValue
  value: 0.041
additional property: Acousticness
  type: PropertyValue
  value: 0.733
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.596
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.238
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.034
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Dành Hết Xuân Thì Để Chờ Nhau
type: MusicRecording
duration: PT4M48S
duration ms: 288195
explicit: false
by artist: Vũ.
in album: Bảo Tàng Của Nuối Tiếc
  type: MusicAlbum
  date published: 2024-09-27
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: VNA112400005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:52:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0063203c28247a329fcfff9d10acce30280c4a39b6ec660b9d0e7f755d8e4be3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0063203c28247a329fcfff9d10acce30280c4a39b6ec660b9d0e7f755d8e4be3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400005.
  date published: 2026-06-13T12:47:07Z
audio: Dành Hết Xuân Thì Để Chờ Nhau
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.849
  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: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.427
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.661
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.168
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.047
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Và Em Sẽ Luôn Là Người Tôi Yêu Nhất
type: MusicRecording
duration: PT4M17S
duration ms: 257608
explicit: false
by artist: Vũ.
in album: Bảo Tàng Của Nuối Tiếc
  type: MusicAlbum
  date published: 2024-09-27
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: VNA112400090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:42:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e801dbf306e870d8638f00e8f1b2549c3db45bcffc103d95f0130c872ba50c8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e801dbf306e870d8638f00e8f1b2549c3db45bcffc103d95f0130c872ba50c8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400090.
  date published: 2026-06-13T12:47:07Z
audio: Và Em Sẽ Luôn Là Người Tôi Yêu Nhất
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.988
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.41
  additional property: Energy
    type: PropertyValue
    value: 0.368
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.709
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.356
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.804
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Những Chuyến Bay
type: MusicRecording
duration: PT4M33S
duration ms: 273155
explicit: false
by artist: Vũ.
in album: Bảo Tàng Của Nuối Tiếc
  type: MusicAlbum
  date published: 2024-09-27
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: VNA112400091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:59:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47a6cc6e202ed74d57112d552b84a49d82909be096c814155942afe59a9a9ef4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400091
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47a6cc6e202ed74d57112d552b84a49d82909be096c814155942afe59a9a9ef4. 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/VNA112400091.
  date published: 2026-06-13T15:41:10Z
audio: Những Chuyến Bay
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.926
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.529
  additional property: Energy
    type: PropertyValue
    value: 0.404
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.548
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.262
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.269
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mây Khóc Vì Điều Gì
type: MusicRecording
duration: PT3M34S
duration ms: 214295
explicit: false
by artist: Vũ.
in album: Bảo Tàng Của Nuối Tiếc
  type: MusicAlbum
  date published: 2024-09-27
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: VNA112400092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:12:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f98ba9732d360a449898498fcabb0a6c052a207c7c6b6e26b3f73843b3f1a95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400092
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f98ba9732d360a449898498fcabb0a6c052a207c7c6b6e26b3f73843b3f1a95. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400092.
  date published: 2026-06-13T12:47:07Z
audio: Mây Khóc Vì Điều Gì
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.91
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.386
  additional property: Energy
    type: PropertyValue
    value: 0.741
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.126
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.285
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.612
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Những Lời Hứa Bỏ Quên
type: MusicRecording
duration: PT3M56S
duration ms: 236262
explicit: false
by artist: Vũ.
in album: Bảo Tàng Của Nuối Tiếc
  type: MusicAlbum
  date published: 2024-09-27
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: VNA112300881
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T19:40:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x54be563b7df4983dc86db1a59941532c52a8e35977f2e1971bd44938505e4d9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112300881
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54be563b7df4983dc86db1a59941532c52a8e35977f2e1971bd44938505e4d9a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112300881.
  date published: 2026-06-13T12:47:07Z
audio: Những Lời Hứa Bỏ Quên
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.054
  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: 0.535
  additional property: Energy
    type: PropertyValue
    value: 0.661
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.716
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.337
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.797
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Không Yêu Em Thì Yêu Ai?
type: MusicRecording
duration: PT3M52S
duration ms: 232647
explicit: false
by artist: Vũ.
in album: Bảo Tàng Của Nuối Tiếc
  type: MusicAlbum
  date published: 2024-09-27
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: VNA112400093
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T11:32:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd80de795738ab829f60e971b213509286ba4b977b828e93d97eb6a3f418957cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400093
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd80de795738ab829f60e971b213509286ba4b977b828e93d97eb6a3f418957cc. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400093.
  date published: 2026-06-13T12:47:07Z
audio: Không Yêu Em Thì Yêu Ai?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.023
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.695
  additional property: Energy
    type: PropertyValue
    value: 0.516
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.522
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.546
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.086
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

bình yên
type: MusicRecording
duration: PT3M15S
duration ms: 195974
explicit: false
by artist: Vũ.
in album: Bảo Tàng Của Nuối Tiếc
  type: MusicAlbum
  date published: 2024-09-27
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: VNA112400072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T10:58:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad9cb78e8951ec144b426b484ba37f763d3ec16050017360d682457c0c3eeb05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA112400072
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad9cb78e8951ec144b426b484ba37f763d3ec16050017360d682457c0c3eeb05. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA112400072.
  date published: 2026-06-13T12:47:07Z
audio: bình yên
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.969
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.677
  additional property: Energy
    type: PropertyValue
    value: 0.526
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.787
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.217
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.375
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nếu Những Tiếc Nuối
type: MusicAlbum
date published: 2024-12-23
track: Nếu Những Tiếc Nuối
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275200
  explicit: false
  by artist: Vũ.
  in album: Nếu Những Tiếc Nuối
    type: MusicAlbum
    date published: 2024-12-23
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNZ992443693
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T00:21:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3db368dcaa4148e575ba1a45b6c963ea9638d0037ea8e37e1c202856c1a03c4a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958340
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958340
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNZ992443693
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T00:53:26Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db368dcaa4148e575ba1a45b6c963ea9638d0037ea8e37e1c202856c1a03c4a. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/VNZ992443693.
    date published: 2026-07-17T00:53:26Z
  audio: Nếu Những Tiếc Nuối
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.979
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.422
    additional property: Energy
      type: PropertyValue
      value: 0.415
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.748
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.251
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.129
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Mùa Đông Chưa Bao Giờ Tới (feat. Vũ.)
type: MusicRecording
duration: PT4M27S
duration ms: 267428
explicit: false
by artist: Uyên Linh
by artist: Vũ.
in album: Mùa Đông Chưa Bao Giờ Tới (feat. Vũ.)
  type: MusicAlbum
  date published: 2020-11-30
genre: v-pop
genre: vietnamese-lo-fi
genre: vietnam-indie
isrc code: VNA0M1909601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T07:01:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f8faa1ac8d6c464b6710c3520af17091b1e5dbbf0e633b6f03ebcb7dcc80034
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1909601
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f8faa1ac8d6c464b6710c3520af17091b1e5dbbf0e633b6f03ebcb7dcc80034. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/VNA0M1909601.
  date published: 2026-06-13T12:47:07Z
audio: Mùa Đông Chưa Bao Giờ Tới (feat. Vũ.)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.025
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.412
  additional property: Energy
    type: PropertyValue
    value: 0.199
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.905
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.206
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.281
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major