Khang Viet
type: MusicGroup
genre: vinahouse
genre: v-pop
popularity: 36
followers: 26161
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x336854196c18bf8006b63f5f348f746efa589aefd2524a7fc469c1f7cb33d08e
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/fd828cfb-a6dc-4c34-bdea-cafe8dba7481.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd828cfb-a6dc-4c34-bdea-cafe8dba7481.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fd828cfb-a6dc-4c34-bdea-cafe8dba7481
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x336854196c18bf8006b63f5f348f746efa589aefd2524a7fc469c1f7cb33d08e","name":"Khang Viet","registered_at":"2026-06-12T14:33:49Z","symbol":"NIM0326798","token_address":"0x9c5e76edb6650e0a94ede47a7c624dda9ec5c768","type":"artist","uuid":"fd828cfb-a6dc-4c34-bdea-cafe8dba7481"}
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 0x336854196c18bf8006b63f5f348f746efa589aefd2524a7fc469c1f7cb33d08e. 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/fd828cfb-a6dc-4c34-bdea-cafe8dba7481.json and https://artists.proofprofile.net/proofs/artist/fd828cfb-a6dc-4c34-bdea-cafe8dba7481.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x336854196c18bf8006b63f5f348f746efa589aefd2524a7fc469c1f7cb33d08e","name":"Khang Viet","registered_at":"2026-06-12T14:33:49Z","symbol":"NIM0326798","token_address":"0x9c5e76edb6650e0a94ede47a7c624dda9ec5c768","type":"artist","uuid":"fd828cfb-a6dc-4c34-bdea-cafe8dba7481"}
album: Đã Đến Lúc
  type: MusicAlbum
  date published: 2008-01-01
album: Ngày Mai Em Rời Xa/Tượng Đài Hạnh Phúc
  type: MusicAlbum
  date published: 2009-01-01
album: Khang Việt Remix
  type: MusicAlbum
  date published: 2011-01-01
album: Không Có Em Tôi Là Ai
  type: MusicAlbum
  date published: 2011-01-01
album: Electro House
  type: MusicAlbum
  date published: 2014-01-01
  track: Hoa Nào Hoa Trắng - Remix
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225343
    explicit: false
    by artist: Khang Viet
    in album: Electro House
      type: MusicAlbum
      date published: 2014-01-01
    genre: vinahouse
    genre: v-pop
    isrc code: QM4TX2474125
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T17:21:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x27c5fa8584ec334201c115d12e3c87acd8d72539f7b7e4ae5ec8a17443f02bb8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2474125
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x27c5fa8584ec334201c115d12e3c87acd8d72539f7b7e4ae5ec8a17443f02bb8. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2474125 — a six-check JSON result.
      date published: 2026-07-05T19:27:56Z
    audio: Hoa Nào Hoa Trắng - Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.038
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.79
      additional property: Energy
        type: PropertyValue
        value: 0.809
      additional property: Speechiness
        type: PropertyValue
        value: 0.053
      additional property: Acousticness
        type: PropertyValue
        value: 0.009
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.064
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.748
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.923
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Sao Phải Là Anh
  type: MusicAlbum
  date published: 2014-01-01
album: Anh Chẳng Sao Mà (Remix 2019)
  type: MusicAlbum
  date published: 2017
album: Chẳng Gì Đẹp Đẽ Trên Đời Mãi
  type: MusicAlbum
  date published: 2018-03-22
album: Anh Chang Sao Ma
  type: MusicAlbum
  date published: 2018-10-11
album: Chẳng Cần Lý Do
  type: MusicAlbum
  date published: 2019-04-12
album: Chẳng Cần Lý Do (Vinahouse Remix)
  type: MusicAlbum
  date published: 2019-05-09
album: Mất Bao Lâu
  type: MusicAlbum
  date published: 2019-09-19
  track: Mất Bao Lâu
    type: MusicRecording
    duration: PT5M16S
    duration ms: 316355
    explicit: false
    by artist: Khang Viet
    in album: Mất Bao Lâu
      type: MusicAlbum
      date published: 2019-09-19
    genre: vinahouse
    genre: v-pop
    isrc code: GBKPL2146569
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T08:53:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfabd4d339826d50559212edb096392e3664756c22b9e2c50053b8619a0fecf02
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956482
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956482
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL2146569
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:33:57Z
    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 0xfabd4d339826d50559212edb096392e3664756c22b9e2c50053b8619a0fecf02. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL2146569 — a six-check JSON result.
      date published: 2026-07-03T10:33:57Z
    audio: Mất Bao Lâu
album: Mất Bao Lâu (Andy Remix)
album: Dĩ Vãng Phai Màu
album: Anh Cho Em Mùa Xuân (Remix)
album: Đôi Lứa Đôi Nơi
album: Tạm Dừng Yêu (Remix)
album: Mất Bao Lâu (Remix)
album: Đôi Lứa Đôi Nơi (Remix)
album: Tạm Dừng Yêu
album: Người Anh Mong/Người Xưa
album: Người Anh Mong
album: Chẳng Cần Lý Do (Remix)
album: Anh Chẳng Sao Mà (EDM Version)
album: Đừng Gọi Tên Nhau Nữa
album: Đừng Gọi Tên Nhau Nữa (Remix)
album: Hoài Một Đời Chờ Đợi
album: Hoài Một Đời Chờ Đợi (Acoustic)
album: Chưa Từng Thương Ai Đến Vậy (Lofi Version)
album: Chưa Từng Thương Ai Đến Vậy
album: Hoài Một Đời Chờ Đợi (Remix)
album: Chẳng Có Mai Sau
album: Chẳng Có Mai Sau (Andy Remix)
album: Chẳng Có Mai Sau (Remix)
album: Chẳng Có Mai Sau (Lofi)
album: Chưa Từng Yêu Ai Đến Vậy (Remix)
album: Chẳng Có Mai Sau (Lofi Version)
album: Chưa Từng Thương Ai Đến Vậy (Freak D Remake)
album: Ngàn Ly Đắng Không Say
album: Thiên Duyên Tiền Định
album: Mất Bao Lâu (Acoustic Version)
album: Ngàn Ly Đắng Không Say (Acoustic)
album: Không Thể Yêu Không Thể Quên
album: Không Thể Yêu Không Thể Quên (Remix)
album: Em Nên Dừng Lại
album: Em Nên Dừng Lại (Remix by HuyD)
album: Em Nên Dừng Lại (Remix by Konis Wiliam)
album: Em Nên Dừng Lại (Remix by Tee.D)
album: Em Nên Dừng Lại (Remix)
album: Em Nên Dừng Lại (Remix by Dinh Long)
album: Em Nên Dừng Lại (Remix byTee.D)
album: Xem Anh Có Ngốc Không
album: Hoa Lạc Lối
album: Hoa Lạc Lối (Remix)
album: Hoa Lạc Lối (Trap Version)
album: Anh Chẳng Sao Mà
album: Em Phiền Lắm
album: Em định cô đơn thêm bao lâu
album: Em định cô đơn thêm bao lâu (Remix)
album: Em Định Cô Đơn Thêm Bao Lâu (Ben Heineken Remix)
album: Sao Phải Giữ
album: Bức Tranh Lem Màu
album: Bức Tranh Lem Màu (Remix)

Mất Bao Lâu
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 126.037
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: 0.269
additional property: Speechiness
  type: PropertyValue
  value: 0.035
additional property: Acousticness
  type: PropertyValue
  value: 0.852
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.156
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.263
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.945
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

Mất Bao Lâu
type: MusicAlbum
date published: 2019-09-19

Mất Bao Lâu (Andy Remix)
type: MusicAlbum
date published: 2019-09-21

Dĩ Vãng Phai Màu
type: MusicAlbum
date published: 2019-11-06

Mất Bao Lâu
type: MusicAlbum
date published: 2019-11-15

Anh Cho Em Mùa Xuân (Remix)
type: MusicAlbum
date published: 2019-12-26

Đôi Lứa Đôi Nơi
type: MusicAlbum
date published: 2020-01-01

Tạm Dừng Yêu (Remix)
type: MusicAlbum
date published: 2020-01-01

Mất Bao Lâu
type: MusicAlbum
date published: 2020-01-01

Mất Bao Lâu (Remix)
type: MusicAlbum
date published: 2020-01-01

Đôi Lứa Đôi Nơi (Remix)
type: MusicAlbum
date published: 2020-01-01

Tạm Dừng Yêu
type: MusicAlbum
date published: 2020-01-01
track: Tạm Dừng Yêu
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288000
  explicit: false
  by artist: Khang Viet
  in album: Tạm Dừng Yêu
    type: MusicAlbum
    date published: 2020-01-01
  genre: vinahouse
  genre: v-pop
  isrc code: QM4TX2465809
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T09:42:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x55cc4641c6bcd570f10c8dd97bd62d774905d3f57a596964363dee992a3ed2a7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958991
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958991
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2465809
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T10:04:40Z
  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 0x55cc4641c6bcd570f10c8dd97bd62d774905d3f57a596964363dee992a3ed2a7. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T10:04:40Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2465809 — a six-check JSON result.
    date published: 2026-07-21T10:04:40Z
  audio: Tạm Dừng Yêu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.889
    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: 0.536
    additional property: Energy
      type: PropertyValue
      value: 0.497
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.808
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.429
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.788
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Người Anh Mong/Người Xưa
type: MusicAlbum
date published: 2020-01-01

Người Anh Mong
type: MusicAlbum
date published: 2020-01-01

Chẳng Cần Lý Do (Remix)
type: MusicAlbum
date published: 2020-01-01

Chẳng Cần Lý Do (Remix)
type: MusicAlbum
date published: 2020-01-01

Chẳng Cần Lý Do
type: MusicAlbum
date published: 2020-01-01

Anh Chẳng Sao Mà (EDM Version)
type: MusicAlbum
date published: 2020-01-01

Đừng Gọi Tên Nhau Nữa
type: MusicAlbum
date published: 2020-02-13
track: Đừng Gọi Tên Nhau Nữa
  type: MusicRecording
  duration: PT5M24S
  duration ms: 324989
  explicit: false
  by artist: Khang Viet
  in album: Đừng Gọi Tên Nhau Nữa
    type: MusicAlbum
    date published: 2020-02-13
  genre: vinahouse
  genre: v-pop
  isrc code: QM4TX2474133
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T00:13:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa5729654882efd1bc4feeeec47ae44474d32c4e048e13927b88572038800d9ae
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959084
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959084
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2474133
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T00:50:00Z
  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 0xa5729654882efd1bc4feeeec47ae44474d32c4e048e13927b88572038800d9ae. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2474133 — a six-check JSON result.
    date published: 2026-07-22T00:50:00Z
  audio: Đừng Gọi Tên Nhau Nữa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 142.045
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.521
    additional property: Energy
      type: PropertyValue
      value: 0.371
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.897
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.424
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.572
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Đừng Gọi Tên Nhau Nữa (Remix)
type: MusicAlbum
date published: 2020-03-02

Hoài Một Đời Chờ Đợi
type: MusicAlbum
date published: 2020-11-15

Hoài Một Đời Chờ Đợi (Acoustic)
type: MusicAlbum
date published: 2021-01-18

Chưa Từng Thương Ai Đến Vậy (Lofi Version)
type: MusicAlbum
date published: 2021-01-20

Chưa Từng Thương Ai Đến Vậy
type: MusicAlbum
date published: 2021-03-02
track: Chưa Từng Thương Ai Đến Vậy
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  duration: PT5M5S
  duration ms: 305633
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  by artist: Khang Viet
  in album: Chưa Từng Thương Ai Đến Vậy
    type: MusicAlbum
    date published: 2021-03-02
  genre: vinahouse
  genre: v-pop
  isrc code: QZTRX2200157
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T23:37:59+00:00
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    value: https://explorer.copyrightchains.com/tx/0xe4121e654d76d00ec8d5d6a2563b16b27849755156c34af6377203528edd05be
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2200157
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T01:01:38Z
  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 0xe4121e654d76d00ec8d5d6a2563b16b27849755156c34af6377203528edd05be. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2200157 — a six-check JSON result.
    date published: 2026-07-03T01:01:38Z
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    type: AudioObject
    additional property: Tempo (BPM)
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      value: 130.012
    additional property: Musical Key
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      value: 6
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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Chưa Từng Thương Ai Đến Vậy (Lofi Version)
type: MusicAlbum
date published: 2021-03-18

Hoài Một Đời Chờ Đợi (Remix)
type: MusicAlbum
date published: 2021-04-08
track: Hoài Một Đời Chờ Đợi - Lofi
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249408
  explicit: false
  by artist: Khang Viet
  in album: Hoài Một Đời Chờ Đợi (Remix)
    type: MusicAlbum
    date published: 2021-04-08
  genre: vinahouse
  genre: v-pop
  isrc code: QZN882119800
  additional property: CopyrightID
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    type: PropertyValue
    value: registered
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    value: 2026-07-05T07:27:55+00:00
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZN882119800
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e520fcde7a8a8cebbe82592ac65ad050d4aaa77daa19415c5e14f1b41ac402a. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZN882119800 — a six-check JSON result.
    date published: 2026-07-05T10:01:46Z
  audio: Hoài Một Đời Chờ Đợi - Lofi
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 128.07
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.783
    additional property: Energy
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      value: 0.319
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.78
    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.372
    additional property: Valence (Positivity)
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      value: 0.462
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.917
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Hoài Một Đời Chờ Đợi (Remix)
type: MusicAlbum
date published: 2021-04-08

Chẳng Có Mai Sau
type: MusicAlbum
date published: 2021-07-05

Chẳng Có Mai Sau
type: MusicAlbum
date published: 2021-07-05

Chẳng Có Mai Sau (Andy Remix)
type: MusicAlbum
date published: 2021-07-07

Chẳng Có Mai Sau (Andy Remix)
type: MusicAlbum
date published: 2021-07-07

Chẳng Có Mai Sau (Remix)
type: MusicAlbum
date published: 2021-08-02

Chẳng Có Mai Sau (Lofi)
type: MusicAlbum
date published: 2021-08-02

Chưa Từng Yêu Ai Đến Vậy (Remix)
type: MusicAlbum
date published: 2021-08-02

Chẳng Có Mai Sau (Lofi Version)
type: MusicAlbum
date published: 2021-08-06

Chưa Từng Thương Ai Đến Vậy (Freak D Remake)
type: MusicAlbum
date published: 2021-09-02

Ngàn Ly Đắng Không Say
type: MusicAlbum
date published: 2021-11-26

Thiên Duyên Tiền Định
type: MusicAlbum
date published: 2022-01-02

Mất Bao Lâu (Acoustic Version)
type: MusicAlbum
date published: 2022-03-02

Ngàn Ly Đắng Không Say (Acoustic)
type: MusicAlbum
date published: 2022-03-09

Không Thể Yêu Không Thể Quên
type: MusicAlbum
date published: 2022-05-19
track: Không Thể Yêu Không Thể Quên
  type: MusicRecording
  duration: PT5M32S
  duration ms: 332699
  explicit: false
  by artist: Khang Viet
  in album: Không Thể Yêu Không Thể Quên
    type: MusicAlbum
    date published: 2022-05-19
  genre: vinahouse
  genre: v-pop
  isrc code: GBWUL2231991
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  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x68cda416ac4e815c501e9e61945698b28eb9cadf6da7f7bc1a5397d9e6ad57ac
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    type: PropertyValue
    value: https://blockstream.info/api/block-height/958238
  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T04:30:31Z
  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 0x68cda416ac4e815c501e9e61945698b28eb9cadf6da7f7bc1a5397d9e6ad57ac. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBWUL2231991 — a six-check JSON result.
    date published: 2026-07-16T04:30:31Z
  audio: Không Thể Yêu Không Thể Quên
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -5.484
    additional property: Key Name
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      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Không Thể Yêu Không Thể Quên
type: MusicAlbum
date published: 2022-05-19

Không Thể Yêu Không Thể Quên (Remix)
type: MusicAlbum
date published: 2022-06-28

Em Nên Dừng Lại
type: MusicAlbum
date published: 2022-06-29

Em Nên Dừng Lại
type: MusicAlbum
date published: 2022-06-29

Em Nên Dừng Lại (Remix by HuyD)
type: MusicAlbum
date published: 2022-07-11

Em Nên Dừng Lại (Remix by HuyD)
type: MusicAlbum
date published: 2022-07-11

Em Nên Dừng Lại (Remix by Konis Wiliam)
type: MusicAlbum
date published: 2022-07-11

Em Nên Dừng Lại (Remix by Tee.D)
type: MusicAlbum
date published: 2022-07-11

Em Nên Dừng Lại (Remix)
type: MusicAlbum
date published: 2022-07-11

Em Nên Dừng Lại (Remix by Dinh Long)
type: MusicAlbum
date published: 2022-07-11

Em Nên Dừng Lại (Remix byTee.D)
type: MusicAlbum
date published: 2022-07-11

Em Nên Dừng Lại (Remix)
type: MusicAlbum
date published: 2022-07-11

Em Nên Dừng Lại (Remix by Dinh Long)
type: MusicAlbum
date published: 2022-07-11

Xem Anh Có Ngốc Không
type: MusicAlbum
date published: 2022-11-04

Hoa Lạc Lối
type: MusicAlbum
date published: 2023-02-09
track: Hoa Lạc Lối
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195496
  explicit: false
  by artist: Khang Viet
  in album: Hoa Lạc Lối
    type: MusicAlbum
    date published: 2023-02-09
  genre: vinahouse
  genre: v-pop
  isrc code: QM4TW2376044
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T05:26:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd415c7c9d5a3e88fb80169cba757a6134e15f1aed51517ca6a7a10f326f67515
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958371
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958371
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2376044
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T05:45:43Z
  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 0xd415c7c9d5a3e88fb80169cba757a6134e15f1aed51517ca6a7a10f326f67515. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T05:45:43Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2376044 — a six-check JSON result.
    date published: 2026-07-17T05:45:43Z
  audio: Hoa Lạc Lối
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    additional property: Tempo (BPM)
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      value: 113.059
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.82
    additional property: Energy
      type: PropertyValue
      value: 0.922
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.282
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.681
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.224
    additional property: Key Name
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      value: F#
    additional property: Mode Name
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      value: Minor

Hoa Lạc Lối (Remix)
type: MusicAlbum
date published: 2023-02-17
track: Hoa Lạc Lối - Remix
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257096
  explicit: false
  by artist: Khang Viet
  in album: Hoa Lạc Lối (Remix)
    type: MusicAlbum
    date published: 2023-02-17
  genre: vinahouse
  genre: v-pop
  isrc code: QM4TW2399057
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T13:11:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa4653ae7fbb6caa70218f918491a7b5fcb3419485b74558454cbd9682648beac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  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 0xa4653ae7fbb6caa70218f918491a7b5fcb3419485b74558454cbd9682648beac. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2399057 — a six-check JSON result.
    date published: 2026-07-17T19:12:23Z
  audio: Hoa Lạc Lối - Remix
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.765
    additional property: Energy
      type: PropertyValue
      value: 0.936
    additional property: Speechiness
      type: PropertyValue
      value: 0.07
    additional property: Acousticness
      type: PropertyValue
      value: 0.085
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.059
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.763
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.015
    additional property: Key Name
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      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Hoa Lạc Lối (Trap Version)
type: MusicAlbum
date published: 2023-03-11

Anh Chẳng Sao Mà
type: MusicAlbum
date published: 2023-03-17
track: Anh Chẳng Sao Mà
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309655
  explicit: false
  by artist: Khang Viet
  in album: Anh Chẳng Sao Mà
    type: MusicAlbum
    date published: 2023-03-17
  genre: vinahouse
  genre: v-pop
  isrc code: QM4TX2392220
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T22:56:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ef730efce1982c958eb4151ea48b230c870452ea1b648273495e8dde08b19ec
  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/QM4TX2392220
  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 0x0ef730efce1982c958eb4151ea48b230c870452ea1b648273495e8dde08b19ec. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2392220 — a six-check JSON result.
    date published: 2026-07-17T00:53:26Z
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    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.735
    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: 0.539
    additional property: Energy
      type: PropertyValue
      value: 0.391
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.886
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.354
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.235
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Em Phiền Lắm
type: MusicAlbum
date published: 2023-04-20

Em định cô đơn thêm bao lâu
type: MusicAlbum
date published: 2023-06-02

Em định cô đơn thêm bao lâu (Remix)
type: MusicAlbum
date published: 2023-06-14

Em Định Cô Đơn Thêm Bao Lâu (Ben Heineken Remix)
type: MusicAlbum
date published: 2023-08-30

Sao Phải Giữ
type: MusicAlbum
date published: 2023-11-07
track: Sao Phải Giữ
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256643
  explicit: false
  by artist: Khang Viet
  in album: Sao Phải Giữ
    type: MusicAlbum
    date published: 2023-11-07
  genre: vinahouse
  genre: v-pop
  isrc code: QMFMF2326452
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T10:26:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x506b70d4943acf70e8763b66b0653b06526d3aef9e6cdc8eff014d5a4ba90b26
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958867
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958867
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF2326452
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T11:08:30Z
  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 0x506b70d4943acf70e8763b66b0653b06526d3aef9e6cdc8eff014d5a4ba90b26. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF2326452 — a six-check JSON result.
    date published: 2026-07-20T11:08:30Z
  audio: Sao Phải Giữ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.965
    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: 0.626
    additional property: Energy
      type: PropertyValue
      value: 0.524
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.605
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.348
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.655
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.458
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Bức Tranh Lem Màu
type: MusicAlbum
date published: 2024-02-26
track: Bức Tranh Lem Màu
  type: MusicRecording
  duration: PT5M31S
  duration ms: 331139
  explicit: false
  by artist: Khang Viet
  in album: Bức Tranh Lem Màu
    type: MusicAlbum
    date published: 2024-02-26
  genre: vinahouse
  genre: v-pop
  isrc code: QM4TW2499686
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T04:39:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e7d8be0ea1de8a1a52cbd1d7c1880a9a597a452f8ecbf32fd72839f959bc202
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2499686
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  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 0x9e7d8be0ea1de8a1a52cbd1d7c1880a9a597a452f8ecbf32fd72839f959bc202. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2499686 — a six-check JSON result.
    date published: 2026-06-13T13:32:09Z
  audio: Bức Tranh Lem Màu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 157.445
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.471
    additional property: Energy
      type: PropertyValue
      value: 0.436
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.758
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.437
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.786
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Bức Tranh Lem Màu (Remix)
type: MusicAlbum
date published: 2024-03-15

Đổ Sông Đổ Biển
type: MusicAlbum
date published: 2024-06-14

Đổ Sông Đổ Biển (Haky Remix)
type: MusicAlbum
date published: 2024-06-20

Biết Sai Là Biết Sửa
type: MusicAlbum
date published: 2024-07-24
track: Biết Sai Là Biết Sửa
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280941
  explicit: false
  by artist: Khang Viet
  in album: Biết Sai Là Biết Sửa
    type: MusicAlbum
    date published: 2024-07-24
  genre: vinahouse
  genre: v-pop
  isrc code: QM7282457480
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T01:24:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1dfb0221cccd24ec544dd822a0592cd40c70c811f5c38bbd8780c0e29503f2a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  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/QM7282457480
  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 0xa1dfb0221cccd24ec544dd822a0592cd40c70c811f5c38bbd8780c0e29503f2a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7282457480 — a six-check JSON result.
    date published: 2026-07-04T10:04:33Z
  audio: Biết Sai Là Biết Sửa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.984
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.495
    additional property: Energy
      type: PropertyValue
      value: 0.402
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.734
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.348
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.724
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Khóc Để Làm Gì
type: MusicAlbum
date published: 2024-09-06
track: Khóc Để Làm Gì
  type: MusicRecording
  duration: PT5M35S
  duration ms: 335999
  explicit: false
  by artist: Khang Viet
  in album: Khóc Để Làm Gì
    type: MusicAlbum
    date published: 2024-09-06
  genre: vinahouse
  genre: v-pop
  isrc code: QZYHM2423295
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T16:13:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd049ebff629da4ba5f01146d1b383f2d7d2594e9981f5cd777419e52d1dd5b65
  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/QZYHM2423295
  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 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 0xd049ebff629da4ba5f01146d1b383f2d7d2594e9981f5cd777419e52d1dd5b65. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYHM2423295 — a six-check JSON result.
    date published: 2026-07-03T19:59:51Z
  audio: Khóc Để Làm Gì
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.892
    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: 0.511
    additional property: Energy
      type: PropertyValue
      value: 0.265
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.864
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.341
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.878
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Khóc Để Làm Gì (Lofi)
type: MusicAlbum
date published: 2024-09-08
track: Khóc Để Làm Gì - Lofi
  type: MusicRecording
  duration: PT6M4S
  duration ms: 364719
  explicit: false
  by artist: Khang Viet
  in album: Khóc Để Làm Gì (Lofi)
    type: MusicAlbum
    date published: 2024-09-08
  genre: vinahouse
  genre: v-pop
  isrc code: QZYHM2423541
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T18:06:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4c684b0739b4203d4550e82e4fb82a41f28e01f650af68480a48ab427c379244
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYHM2423541
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0x4c684b0739b4203d4550e82e4fb82a41f28e01f650af68480a48ab427c379244. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYHM2423541 — a six-check JSON result.
    date published: 2026-07-05T01:12:41Z
  audio: Khóc Để Làm Gì - Lofi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 118.007
    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: 0.686
    additional property: Energy
      type: PropertyValue
      value: 0.227
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.857
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.122
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.938
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Khóc Để Làm Gì (House)
type: MusicAlbum
date published: 2024-09-08

Little Love
type: MusicAlbum
date published: 2024-09-17

Họa Ngày Vu Quy
type: MusicAlbum
date published: 2024-11-15

Họa Ngày Vu Quy
type: MusicAlbum
date published: 2024-11-20

Xem Như Em Xui (Haky Remix)
type: MusicAlbum
date published: 2025-03-14

Đoạn Đường Tương Lai
type: MusicAlbum
date published: 2025-05-08

Đoạn Đường Tương Lai (HuyD Remix)
type: MusicAlbum
date published: 2025-05-11

Đoạn Đường Tương Lai (HuyD Remix)
type: MusicAlbum
date published: 2025-07-16
track: Đoạn Đường Tương Lai - HuyD Remix
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290561
  explicit: false
  by artist: Khang Viet
  in album: Đoạn Đường Tương Lai (HuyD Remix)
    type: MusicAlbum
    date published: 2025-07-16
  genre: vinahouse
  genre: v-pop
  isrc code: QMDA62571572
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T09:12:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ec875c8c41e041563b8c78d8b1e10fd6749a17d506bb34098430d33368f3f55
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958529
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958529
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62571572
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T09:21:41Z
  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 0x8ec875c8c41e041563b8c78d8b1e10fd6749a17d506bb34098430d33368f3f55. Chain 2 (Bitcoin): anchored in block 958529 (2026-07-18T09:21:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62571572 — a six-check JSON result.
    date published: 2026-07-18T09:21:41Z
  audio: Đoạn Đường Tương Lai - HuyD Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.984
    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: 0.822
    additional property: Energy
      type: PropertyValue
      value: 0.87
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.033
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Vài Đồng Bạc Lẻ
type: MusicAlbum
date published: 2025-11-07

Vài Đồng Bạc Lẻ
type: MusicAlbum
date published: 2025-11-11

Bài Hát Cho Người Kỹ Nữ
type: MusicRecording
duration: PT4M29S
duration ms: 269640
explicit: false
by artist: Khang Viet
in album: Chàng
  type: MusicAlbum
  date published: 2012-01-01
isrc code: QM7281994547
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-07-31T19:36:27+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x747eb28e19754cf4b7011af3da3104b1ff51e192bdf8c130a7734f37d02d6f5c
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7281994547
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 0x747eb28e19754cf4b7011af3da3104b1ff51e192bdf8c130a7734f37d02d6f5c. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7281994547 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Bài Hát Cho Người Kỹ Nữ
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  additional property: Tempo (BPM)
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    value: 145.133
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.477
  additional property: Energy
    type: PropertyValue
    value: 0.533
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.232
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.212
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.443
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major