Quang Hà
type: MusicGroup
genre: vietnamese bolero
genre: vinahouse
genre: v-pop
popularity: 31
followers: 26428
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1fe9dad40401c84b6182ad69359dc818a1323e63ed2ca9f6e1cf7de07a4e55e7
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/c3c594c2-8c36-4f70-810c-b27a70cb953a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3c594c2-8c36-4f70-810c-b27a70cb953a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c3c594c2-8c36-4f70-810c-b27a70cb953a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1fe9dad40401c84b6182ad69359dc818a1323e63ed2ca9f6e1cf7de07a4e55e7","name":"Quang Hà","registered_at":"2026-06-12T09:15:58Z","symbol":"NIM0253335","token_address":"0x275015deb89a7300d68e5e2bed7cd22c6467ce30","type":"artist","uuid":"c3c594c2-8c36-4f70-810c-b27a70cb953a"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fe9dad40401c84b6182ad69359dc818a1323e63ed2ca9f6e1cf7de07a4e55e7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3c594c2-8c36-4f70-810c-b27a70cb953a.json and https://artists.proofprofile.net/proofs/artist/c3c594c2-8c36-4f70-810c-b27a70cb953a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x1fe9dad40401c84b6182ad69359dc818a1323e63ed2ca9f6e1cf7de07a4e55e7","name":"Quang Hà","registered_at":"2026-06-12T09:15:58Z","symbol":"NIM0253335","token_address":"0x275015deb89a7300d68e5e2bed7cd22c6467ce30","type":"artist","uuid":"c3c594c2-8c36-4f70-810c-b27a70cb953a"}
album: Con Ðường Thênh Thang
  type: MusicAlbum
  date published: 2003-01-01
album: Buom Trang
  type: MusicAlbum
  date published: 2005
album: Nếu Còn Trở Lại
  type: MusicAlbum
  date published: 2005-01-01
album: Quang Hà 2006, Vol. 4
  type: MusicAlbum
  date published: 2006-01-01
album: Cỏ úa
  type: MusicAlbum
  date published: 2006-01-01
album: Định Mệnh 2
  type: MusicAlbum
  date published: 2007-01-01
album: Khúc Thụy Du
  type: MusicAlbum
  date published: 2007-01-01
album: Định Mệnh 2
  type: MusicAlbum
  date published: 2007-01-01
album: Nếu Còn Trở Lại
  type: MusicAlbum
  date published: 2007-01-01
album: Quang Hà 2009
  type: MusicAlbum
  date published: 2009-01-01
album: Cho Người Tình Lỡ
  type: MusicAlbum
  date published: 2009-01-01
album: Đêm Chia Tay
  type: MusicAlbum
  date published: 2009-01-01
album: Miss You
  type: MusicAlbum
  date published: 2009-01-01
  track: Anh Không Hiểu
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208200
    explicit: false
    by artist: Quang Hà
    in album: Miss You
      type: MusicAlbum
      date published: 2009-01-01
    genre: vietnamese bolero
    genre: vinahouse
    genre: v-pop
    isrc code: VNA0M1842632
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T02:10:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb0e27596438f3ded150fdcf6e0abe5c857d3ccab21c918a90f00f4cb673cadc2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958224
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958224
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842632
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T05:07:53Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e27596438f3ded150fdcf6e0abe5c857d3ccab21c918a90f00f4cb673cadc2. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T05:07:53Z), 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/VNA0M1842632.
      date published: 2026-07-16T05:07:53Z
    audio: Anh Không Hiểu
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 127.984
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.635
      additional property: Energy
        type: PropertyValue
        value: 0.497
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.716
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.096
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.408
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.651
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Yêu Em Trong Mơ
  type: MusicAlbum
  date published: 2011-01-01
album: Ngỡ
  type: MusicAlbum
  date published: 2011-01-01
  track: Bình Yên
    type: MusicRecording
    duration: PT4M58S
    duration ms: 298373
    explicit: false
    by artist: Quang Hà
    in album: Ngỡ
      type: MusicAlbum
      date published: 2011-01-01
    genre: vietnamese bolero
    genre: vinahouse
    genre: v-pop
    isrc code: VNA0M1842647
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T23:04:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x200931be5a1fa5e08c792e30c0626269a250923b27360f063335656cee71acb5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959076
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959076
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Bình Yên
album: Nguyện Ước Trong Đêm
album: Ngo
album: Hà Nội Trong Tôi
album: Xuân 2012
album: Ngỡ Remix
album: Quang Hà - Xuân 2012
album: Nhiều Lúc
album: Giữ Mãi Trong Tim
album: The Best Of Quang Hà
album: Nhớ Làm Gì Một Người Như Anh
album: Nơi Cuối Thiên Đường
album: Nhieu Luc
album: Nhớ Mong Em Từng Đêm/Linh Hồn Đã Mất
album: Sống Buồn
album: Những Bản Remix Hot Nhất
album: Hối Hận Muộn Màng
album: Xẻ Đôi Trái Tim
album: Xuân Và Thành Phố Trẻ
album: Quang Hà Remix Vol.2
album: Quang Ha Remix Vol.2
album: Quang Hà Vol 4
album: Xa Mặt Cách Lòng
album: Em Ơi Anh Còn Gì ?
album: Giá Của Nụ Cười
album: Bướm Trắng
album: Không Thể Chia Xa (Dj Turbo)
album: Quang Hà Vol 3 Remix
album: Bản Tình Ca
album: Quang Hà Vol.1 - Bản Tình Ca
album: Làng Tôi Bây Giờ
album: Khóa Tu Mùa Hè
album: Trăm Năm Không Quên - Quang Hà Live Concert
album: Nghe Tiếng Chuông Chùa
album: Để Cho Em Khóc
album: Tình Nghệ Sĩ
album: The Best Song Of Quang Hà
album: Quang Hà Nonstop Vol. 4
album: Quang Hà Remix Nonstop Vol 4
album: Em Ơi Anh Còn Gì
album: Liveshow Quang Hà - Trăm Năm Không Quên - Phần 2
album: Quang Hà Vol. 4
album: Không Ai Không Có Lỗi Lầm
album: Không Thể Thay Thế
album: Tuyển Tập Của Quang Hà
album: 100 Phần Trăm Mình Đúng
album: Nụ Hôn Biệt Ly
track: Giá Băng

Cho Anh Gần Em Thêm Chút Nữa
type: MusicRecording
duration: PT5M27S
duration ms: 327619
explicit: false
by artist: Quang Hà
in album: Tuyển Tập Của Quang Hà
  type: MusicAlbum
  date published: 2018-10-04
genre: vietnamese bolero
genre: vinahouse
genre: v-pop
isrc code: VNA0M1842757
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T11:20:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x563340d1b110f02320dc48ccfa41c7300cabc4252591823ee2b268315a619837
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842757
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x563340d1b110f02320dc48ccfa41c7300cabc4252591823ee2b268315a619837. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842757.
  date published: 2026-07-02T03:30:09Z
audio: Cho Anh Gần Em Thêm Chút Nữa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.643
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.513
  additional property: Energy
    type: PropertyValue
    value: 0.569
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.773
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.279
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.855
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Cơn Mưa Tình Yêu
type: MusicRecording
duration: PT4M56S
duration ms: 296306
explicit: false
by artist: Quang Hà
in album: Tuyển Tập Của Quang Hà
  type: MusicAlbum
  date published: 2018-10-04
genre: vietnamese bolero
genre: vinahouse
genre: v-pop
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafe942206dc91db6cb6a4eb7c111eb75a5080aa84d9a365b21a4fe30672f9d1f. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/VNA0M1842764.
  date published: 2026-07-31T22:27:44Z
audio: Cơn Mưa Tình Yêu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.381
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.647
  additional property: Energy
    type: PropertyValue
    value: 0.526
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.712
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.27
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.867
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: VNA0M1842764
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960473
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T22:27:44+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842764
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960473
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960473
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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

Katy Katy
type: MusicRecording
duration: PT3M24S
duration ms: 204707
explicit: false
by artist: Quang Hà
in album: Tuyển Tập Của Quang Hà
  type: MusicAlbum
  date published: 2018-10-04
genre: vietnamese bolero
genre: vinahouse
genre: v-pop
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1614eda181722b9e6b11d3aaa8325529791a4f3aad9d11fc6872d53e40eaf93b. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/VNA0M1842784.
  date published: 2026-07-29T19:35:34Z
audio: Katy Katy
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.801
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.772
  additional property: Energy
    type: PropertyValue
    value: 0.442
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.595
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.293
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.503
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: VNA0M1842784
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842784
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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

Mẹ Yêu Ơi
type: MusicRecording
duration: PT4M58S
duration ms: 298020
explicit: false
by artist: Quang Hà
in album: Tuyển Tập Của Quang Hà
  type: MusicAlbum
  date published: 2018-10-04
genre: vietnamese bolero
genre: vinahouse
genre: v-pop
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2395747121a09953757f10844ed02448c5f43b08717d5f5cec6b822e7c22e60f. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/VNA0M1842793.
  date published: 2026-07-29T21:57:12Z
audio: Mẹ Yêu Ơi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.563
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.618
  additional property: Energy
    type: PropertyValue
    value: 0.321
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.737
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.23
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.734
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: VNA0M1842793
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960153
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:57:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842793
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960153
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960153
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:57:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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

Ngày Mai Tôi Sẽ Viết Sách
type: MusicRecording
duration: PT6M0S
duration ms: 360000
explicit: false
by artist: Quang Hà
in album: Ngày Mai Tôi Sẽ Viết Sách
  type: MusicAlbum
  date published: 2024-06-17
genre: vietnamese bolero
genre: vinahouse
genre: v-pop
isrc code: VNA0F2327539
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T18:24:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6cd36b2e30782df63f8883fbf7f23cf099c5cc4fcc7ee103f0d3487f987564b3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2327539
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd36b2e30782df63f8883fbf7f23cf099c5cc4fcc7ee103f0d3487f987564b3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2327539.
  date published: 2026-07-02T03:55:08Z
audio: Ngày Mai Tôi Sẽ Viết Sách
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.372
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.522
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.778
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.403
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.854
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giá Băng
type: MusicRecording
duration: PT4M53S
duration ms: 293106
explicit: false
by artist: Nguyễn Hồng Nhung
by artist: Quang Hà
in album: Dĩ Vãng Cuộc Tình
  type: MusicAlbum
  date published: 2007-06-10
genre: vietnamese-pop
isrc code: CA5KR2028812
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:13:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x506110ca553bdd501acadaa4edc0eae9e52ea2605517381e0bdae3e9cd3bb752
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2028812
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956889
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-06T06:56:49+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x506110ca553bdd501acadaa4edc0eae9e52ea2605517381e0bdae3e9cd3bb752. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2028812.
  date published: 2026-07-06T07:53:57Z
audio: Giá Băng
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.176
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.51
  additional property: Energy
    type: PropertyValue
    value: 0.545
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.23
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.209
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.932
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842647

OTSTimestamp
type: PropertyValue
value: 2026-07-21T23:41:40Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x200931be5a1fa5e08c792e30c0626269a250923b27360f063335656cee71acb5. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842647.
date published: 2026-07-21T23:41:40Z

Bình Yên
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 97.435
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.637
additional property: Energy
  type: PropertyValue
  value: 0.415
additional property: Speechiness
  type: PropertyValue
  value: 0.026
additional property: Acousticness
  type: PropertyValue
  value: 0.794
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.151
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.258
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.8
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Minor

Nguyện Ước Trong Đêm
type: MusicAlbum
date published: 2011-01-01

Nếu Còn Trở Lại
type: MusicAlbum
date published: 2011-03-19

Ngo
type: MusicAlbum
date published: 2011-09-01

Cho Người Tình Lỡ
type: MusicAlbum
date published: 2011-10-01

Hà Nội Trong Tôi
type: MusicAlbum
date published: 2011-10-01

Miss You
type: MusicAlbum
date published: 2011-10-01

Xuân 2012
type: MusicAlbum
date published: 2012-01-01

Ngỡ Remix
type: MusicAlbum
date published: 2012-01-01

Quang Hà - Xuân 2012
type: MusicAlbum
date published: 2012-01-01

Nhiều Lúc
type: MusicAlbum
date published: 2012-01-01
track: Dĩ Vãng Cuộc Tình
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288026
  explicit: false
  by artist: Quang Hà
  in album: Nhiều Lúc
    type: MusicAlbum
    date published: 2012-01-01
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0M1842664
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T17:54:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1c48adce9bb0fc87f39396fd5d9817c89dbee6a4c0a6c0d75643f9c84f3b98e6
  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/VNA0M1842664
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c48adce9bb0fc87f39396fd5d9817c89dbee6a4c0a6c0d75643f9c84f3b98e6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842664.
    date published: 2026-07-05T19:27:56Z
  audio: Dĩ Vãng Cuộc Tình
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 173.795
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.388
    additional property: Energy
      type: PropertyValue
      value: 0.404
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.58
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.175
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.453
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Giữ Mãi Trong Tim
type: MusicAlbum
date published: 2012-01-01

Giữ Mãi Trong Tim
type: MusicAlbum
date published: 2012-01-01

The Best Of Quang Hà
type: MusicAlbum
date published: 2012-01-01

Nhớ Làm Gì Một Người Như Anh
type: MusicAlbum
date published: 2012-01-01

Nơi Cuối Thiên Đường
type: MusicAlbum
date published: 2012-01-01

Nhieu Luc
type: MusicAlbum
date published: 2012-09-03

Nhớ Mong Em Từng Đêm/Linh Hồn Đã Mất
type: MusicAlbum
date published: 2013-01-01

Sống Buồn
type: MusicAlbum
date published: 2013-01-01

Những Bản Remix Hot Nhất
type: MusicAlbum
date published: 2014-01-01

Hối Hận Muộn Màng
type: MusicAlbum
date published: 2014-01-01

Hối Hận Muộn Màng
type: MusicAlbum
date published: 2014-01-01

Xẻ Đôi Trái Tim
type: MusicAlbum
date published: 2015-01-01

Xuân Và Thành Phố Trẻ
type: MusicAlbum
date published: 2015-01-01

Ngỡ
type: MusicAlbum
date published: 2015-01-10

Nhiều Lúc
type: MusicAlbum
date published: 2015-01-10

Quang Hà Remix Vol.2
type: MusicAlbum
date published: 2015-09-01

Quang Hà Remix Vol.2
type: MusicAlbum
date published: 2015-09-01

Quang Ha Remix Vol.2
type: MusicAlbum
date published: 2015-09-01

Ngo
type: MusicAlbum
date published: 2015-10-01

Hà Nội Trong Tôi
type: MusicAlbum
date published: 2015-10-01

Nhieu Luc
type: MusicAlbum
date published: 2015-10-01

Giữ Mãi Trong Tim
type: MusicAlbum
date published: 2015-10-01

Nơi Cuối Thiên Đường
type: MusicAlbum
date published: 2015-10-01

Sống Buồn
type: MusicAlbum
date published: 2015-10-01

Quang Hà Vol 4
type: MusicAlbum
date published: 2015-10-01

Xa Mặt Cách Lòng
type: MusicAlbum
date published: 2015-10-10

Em Ơi Anh Còn Gì ?
type: MusicAlbum
date published: 2016-01-01
track: Dòng Thư Cuối (feat. Hương Tràm)
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252440
  explicit: false
  by artist: Quang Hà
  in album: Em Ơi Anh Còn Gì ?
    type: MusicAlbum
    date published: 2016-01-01
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0M1842579
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T12:53:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x63f80b9d9b694aa6e4c99e1bbecf2b86dc6c60fabc363ca648410631d5826b17
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842579
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f80b9d9b694aa6e4c99e1bbecf2b86dc6c60fabc363ca648410631d5826b17. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/VNA0M1842579.
    date published: 2026-07-05T18:48:28Z
  audio: Dòng Thư Cuối (feat. Hương Tràm)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.982
    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: 0.556
    additional property: Energy
      type: PropertyValue
      value: 0.47
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.884
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.136
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.244
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Hãy Về Đây Bên Anh
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291480
  explicit: false
  by artist: Quang Hà
  in album: Em Ơi Anh Còn Gì ?
    type: MusicAlbum
    date published: 2016-01-01
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0M1842582
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T11:10:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeea959b966db09e9f343b32918a46233799525e3bf1a8a2619a81c758d2def0b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842582
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea959b966db09e9f343b32918a46233799525e3bf1a8a2619a81c758d2def0b. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/VNA0M1842582.
    date published: 2026-07-05T18:48:28Z
  audio: Hãy Về Đây Bên Anh
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.044
    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: 0.585
    additional property: Energy
      type: PropertyValue
      value: 0.472
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.789
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.077
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.277
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.4
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ta Đã Từng Yêu
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281360
  explicit: false
  by artist: Quang Hà
  in album: Em Ơi Anh Còn Gì ?
    type: MusicAlbum
    date published: 2016-01-01
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0M1842586
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T08:28:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa073595ff69885fc2fbac2c15098bf5d112c020a882c023554ad797b52c7795c
  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: Ta Đã Từng Yêu

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958134

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958134

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842586

OTSTimestamp
type: PropertyValue
value: 2026-07-15T11:30:07Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa073595ff69885fc2fbac2c15098bf5d112c020a882c023554ad797b52c7795c. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T11:30:07Z), 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/VNA0M1842586.
date published: 2026-07-15T11:30:07Z

Ta Đã Từng Yêu
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 121.984
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.83
additional property: Energy
  type: PropertyValue
  value: 0.554
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.492
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.099
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.33
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.137
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Giá Của Nụ Cười
type: MusicAlbum
date published: 2016-01-01

Bướm Trắng
type: MusicAlbum
date published: 2016-01-01

Không Thể Chia Xa (Dj Turbo)
type: MusicAlbum
date published: 2016-02-04

Quang Hà Vol 3 Remix
type: MusicAlbum
date published: 2016-03-07

Quang Hà Vol 3 Remix
type: MusicAlbum
date published: 2016-03-07

Bản Tình Ca
type: MusicAlbum
date published: 2016-05-10

Quang Hà Vol.1 - Bản Tình Ca
type: MusicAlbum
date published: 2016-05-23

Làng Tôi Bây Giờ
type: MusicAlbum
date published: 2017-01-01

Khóa Tu Mùa Hè
type: MusicAlbum
date published: 2017-01-01

Trăm Năm Không Quên - Quang Hà Live Concert
type: MusicAlbum
date published: 2017-01-01
track: Trăm Năm Không Quên
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231680
  explicit: false
  by artist: Quang Hà
  in album: Trăm Năm Không Quên - Quang Hà Live Concert
    type: MusicAlbum
    date published: 2017-01-01
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0M1842731
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T23:53:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8b0fec549913da96d7c8d10198be8736afa4bb90e02f77875048a454559e04f5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956440
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956440
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842731
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T04:03:57Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b0fec549913da96d7c8d10198be8736afa4bb90e02f77875048a454559e04f5. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842731.
    date published: 2026-07-03T04:03:57Z
  audio: Trăm Năm Không Quên
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.11
    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: 0.538
    additional property: Energy
      type: PropertyValue
      value: 0.344
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.922
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.343
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.313
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Nghe Tiếng Chuông Chùa
type: MusicAlbum
date published: 2017-01-01

Để Cho Em Khóc
type: MusicAlbum
date published: 2017-01-01

Tình Nghệ Sĩ
type: MusicAlbum
date published: 2017-01-01

The Best Song Of Quang Hà
type: MusicAlbum
date published: 2017-01-23

The Best Song Of Quang Hà
type: MusicAlbum
date published: 2017-01-23

Quang Hà Vol.1 - Bản Tình Ca
type: MusicAlbum
date published: 2017-05-31

Quang Hà Vol.1 - Bản Tình Ca
type: MusicAlbum
date published: 2017-05-31

Quang Hà Nonstop Vol. 4
type: MusicAlbum
date published: 2017-08-20
track: Những Lời Dối Gian Remix
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238053
  explicit: false
  by artist: Quang Hà
  in album: Quang Hà Nonstop Vol. 4
    type: MusicAlbum
    date published: 2017-08-20
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0M1842708
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T23:39:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4b3d6db103dce0b16e758474154eff8eea8fdcef696506d135dfeed9ec91d254
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958216
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958216
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1842708
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T00:00:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b3d6db103dce0b16e758474154eff8eea8fdcef696506d135dfeed9ec91d254. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/VNA0M1842708.
    date published: 2026-07-16T00:00:34Z
  audio: Những Lời Dối Gian Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.019
    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: 0.695
    additional property: Energy
      type: PropertyValue
      value: 0.956
    additional property: Speechiness
      type: PropertyValue
      value: 0.086
    additional property: Acousticness
      type: PropertyValue
      value: 0.062
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.802
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.872
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.42
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Quang Hà Remix Nonstop Vol 4
type: MusicAlbum
date published: 2017-08-23

Quang Hà Remix Nonstop Vol 4
type: MusicAlbum
date published: 2017-08-23

Để Cho Em Khóc
type: MusicAlbum
date published: 2017-12-26

Nếu Còn Trở Lại
type: MusicAlbum
date published: 2018-01-01

Ngỡ
type: MusicAlbum
date published: 2018-03-01

Nhiều Lúc
type: MusicAlbum
date published: 2018-03-01

Em Ơi Anh Còn Gì
type: MusicAlbum
date published: 2018-03-01

Liveshow Quang Hà - Trăm Năm Không Quên - Phần 2
type: MusicAlbum
date published: 2018-03-03

Liveshow Quang Hà - Trăm Năm Không Quên - Phần 2
type: MusicAlbum
date published: 2018-03-03

Quang Hà Vol. 4
type: MusicAlbum
date published: 2018-08-27

Bướm Trắng
type: MusicAlbum
date published: 2018-08-27

Không Ai Không Có Lỗi Lầm
type: MusicAlbum
date published: 2018-08-28

Không Ai Không Có Lỗi Lầm
type: MusicAlbum
date published: 2018-08-28

Không Thể Thay Thế
type: MusicAlbum
date published: 2018-09-24

Tuyển Tập Của Quang Hà
type: MusicAlbum
date published: 2018-10-04
track: Cho Anh Gần Em Thêm Chút Nữa
track: Cơn Mưa Tình Yêu
track: Katy Katy
track: Mẹ Yêu Ơi

100 Phần Trăm Mình Đúng
type: MusicAlbum
date published: 2019

Nụ Hôn Biệt Ly
type: MusicAlbum
date published: 2019-01-12

Thất Tình
type: MusicAlbum
date published: 2019-03-14

Thất Tình
type: MusicAlbum
date published: 2019-03-14

Đợi Em Đến Hoa Cũng Tàn
type: MusicAlbum
date published: 2019-06-27

Ai Rồi Cũng Sẽ Khác
type: MusicAlbum
date published: 2019-06-29

Dĩ Vãng Cuộc Tình (Remix)
type: MusicAlbum
date published: 2019-10-12

Không Thể Chia Xa (DJ Turbo Remix)
type: MusicAlbum
date published: 2019-10-12

Buồn
type: MusicAlbum
date published: 2019-10-12

Yêu Giả Remix
type: MusicAlbum
date published: 2019-10-12

Một Lần Thôi (Dj Hùng EDM)
type: MusicAlbum
date published: 2019-10-12

Giá Như
type: MusicAlbum
date published: 2019-10-12

Như Vẫn Còn Đây (Remix)
type: MusicAlbum
date published: 2019-10-12
track: Một Thời Đã Xa - Remix
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326192
  explicit: false
  by artist: Quang Hà
  in album: Như Vẫn Còn Đây (Remix)
    type: MusicAlbum
    date published: 2019-10-12
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: DGA0L2499151
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T22:50:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e64d08631b9919a362b306341b1f634df4e7221de186b5a1c5dad49c2be1729
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958489
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958489
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0L2499151
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:13:26Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e64d08631b9919a362b306341b1f634df4e7221de186b5a1c5dad49c2be1729. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0L2499151.
    date published: 2026-07-18T04:13:26Z
  audio: Một Thời Đã Xa - Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.967
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.7
    additional property: Energy
      type: PropertyValue
      value: 0.915
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.128
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.674
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.525
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Xa Vắng
type: MusicAlbum
date published: 2019-12-13

Bản Tình Ca
type: MusicAlbum
date published: 2020-01-01

Có
type: MusicAlbum
date published: 2020-01-01

Những Lời Dối Gian (DJ Khang Angel Remix)
type: MusicAlbum
date published: 2020-01-01

Hãy Về Đây Bên Anh
type: MusicAlbum
date published: 2020-01-01

Rồi Mai Đây
type: MusicAlbum
date published: 2020-01-01

Xa Mặt Cách Lòng/Định Mệnh 2
type: MusicAlbum
date published: 2020-01-01

Thành Phố Trẻ
type: MusicAlbum
date published: 2020-01-01

Quang Hà, Vol. 4
type: MusicAlbum
date published: 2020-01-01

Ngỡ
type: MusicAlbum
date published: 2020-01-01

Thu Hát Cho Người
type: MusicAlbum
date published: 2020-01-01

Quay Lưng Lại Mình Ôm Nhau
type: MusicAlbum
date published: 2020-01-01

Quang Hà Vol. 2 Remix
type: MusicAlbum
date published: 2020-01-01

Miss You
type: MusicAlbum
date published: 2020-01-01

Hà Nội Trong Tôi
type: MusicAlbum
date published: 2020-01-01

Riêng Một Góc Trời
type: MusicAlbum
date published: 2020-01-02

Đoản Khúc Cuối Cho Em
type: MusicAlbum
date published: 2020-01-04

Mong Nhớ Em Từng Đêm
type: MusicAlbum
date published: 2020-01-08

Nắng Có Còn Xuân
type: MusicAlbum
date published: 2020-03-21

Nắng Có Còn Xuân
type: MusicAlbum
date published: 2020-03-21

123 Chia Đôi Lối Về
type: MusicAlbum
date published: 2020-04-29

Cơn Mưa Băng Giá
type: MusicAlbum
date published: 2020-07-23

Để Cho Em Khóc
type: MusicAlbum
date published: 2020-08-15

Hoa Nở Không Màu
type: MusicAlbum
date published: 2020-11-18

Cần Thơ Mến Yêu
type: MusicAlbum
date published: 2021-01-21

Vì Sao Không Thể
type: MusicAlbum
date published: 2021-03-10

Lòng Mãi Chờ Mong
type: MusicAlbum
date published: 2021-03-31

Rồi Mai Tôi Đưa Em
type: MusicAlbum
date published: 2021-09-02

Yêu Là Đau Thế Này
type: MusicAlbum
date published: 2022-03-02

Mệt Rồi Em Ơi
type: MusicAlbum
date published: 2022-03-02

Ngoại Tình
type: MusicAlbum
date published: 2022-03-22

Ngoại Tình
type: MusicAlbum
date published: 2022-03-22

Thôi Thì Đành Thế Thôi
type: MusicAlbum
date published: 2022-05-05

Chắc Anh Phải Tu Ngàn Kiếp Mới Được Yêu Em
type: MusicAlbum
date published: 2022-08-09

Mình Đã Vì Nhau Chưa
type: MusicAlbum
date published: 2022-08-18

Mình Đã Vì Nhau Chưa
type: MusicAlbum
date published: 2022-08-18

Tiễn Bạn Lên Đường
type: MusicAlbum
date published: 2022-09-23

Chưa Quên Người Yêu Cũ (Cover)
type: MusicAlbum
date published: 2022-09-26

Giao Lộ Thời Gian
type: MusicAlbum
date published: 2022-10-16

Dĩ Vãng
type: MusicAlbum
date published: 2022-10-17

Con Tim Không Đổi Thay (Xuân Phát Tài 13)
type: MusicAlbum
date published: 2023-01-01

Ngỡ
type: MusicAlbum
date published: 2023-01-01

LK Tình Cờ - Một Ngày Mùa Đông (Xuân Phát Tài 13)
type: MusicAlbum
date published: 2023-01-01

Dancing All Night
type: MusicAlbum
date published: 2023-01-06

Con Tim Không Đổi Thay (Beat, Xuân Phát Tài 13)
type: MusicAlbum
date published: 2023-02-06

LK Tình Cờ - Một Ngày Mùa Đông (Beat, Xuân Phát Tài 13)
type: MusicAlbum
date published: 2023-02-06

Hoa Nào Hoa Trắng
type: MusicAlbum
date published: 2023-03-17

Lắng Nghe Mùa Xuân Về
type: MusicAlbum
date published: 2023-03-17

Nắng Có Còn Xuân
type: MusicAlbum
date published: 2023-03-17

Bước Qua Đời Nhau
type: MusicAlbum
date published: 2023-03-17

Lời Tỏ Tình Mùa Xuân
type: MusicAlbum
date published: 2023-03-17

Đất Nước Tình Yêu
type: MusicAlbum
date published: 2023-09-01

Ai Vùi Nỗi Đau Này Dưới Cát
type: MusicAlbum
date published: 2023-10-18
track: Ai Vùi Nỗi Đau Này Dưới Cát
  type: MusicRecording
  duration: PT5M34S
  duration ms: 334598
  explicit: false
  by artist: Quang Hà
  in album: Ai Vùi Nỗi Đau Này Dưới Cát
    type: MusicAlbum
    date published: 2023-10-18
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: QMFME2380174
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T09:44:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3d459742c755a603746ab6e85b489f91b2a38403f231aed3f1457ef755c38242
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958140
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958140
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2380174
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T12:47:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d459742c755a603746ab6e85b489f91b2a38403f231aed3f1457ef755c38242. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:47:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2380174.
    date published: 2026-07-15T12:47:20Z
  audio: Ai Vùi Nỗi Đau Này Dưới Cát
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.591
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.444
    additional property: Energy
      type: PropertyValue
      value: 0.534
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.819
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.212
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.376
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.811
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Đánh Thức Tầm Xuân
type: MusicAlbum
date published: 2023-11-23

Ai Vùi Nỗi Đau Này Dưới Cát (Piano Version)
type: MusicAlbum
date published: 2023-12-09
track: Ai Vùi Nỗi Đau Này Dưới Cát (Piano Version)
  type: MusicRecording
  duration: PT6M7S
  duration ms: 367005
  explicit: false
  by artist: Quang Hà
  in album: Ai Vùi Nỗi Đau Này Dưới Cát (Piano Version)
    type: MusicAlbum
    date published: 2023-12-09
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0F2319032
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T08:53:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7225e759d79b8b53cd56ce13c43fe77ebb1eaeb46af7572160306d11082ac60a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958544
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958544
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2319032
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:14:37Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7225e759d79b8b53cd56ce13c43fe77ebb1eaeb46af7572160306d11082ac60a. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/VNA0F2319032.
    date published: 2026-07-18T12:14:37Z
  audio: Ai Vùi Nỗi Đau Này Dưới Cát (Piano Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.309
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.372
    additional property: Energy
      type: PropertyValue
      value: 0.364
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.933
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.341
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.391
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.443
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ai Vùi Nỗi Đau Dưới Cát - Lofi Version
type: MusicAlbum
date published: 2023-12-17

Ai Vùi Nỗi Đau Dưới Cát - Lofi Version
type: MusicAlbum
date published: 2023-12-21

Xuân
type: MusicAlbum
date published: 2023-12-26

Chắc Anh Phải Tu Ngàn Kiếp Mới Được Em Yêu
type: MusicAlbum
date published: 2024-03-04

Ngày Mai Tôi Sẽ Viết Sách
type: MusicAlbum
date published: 2024-06-16

Ngày Mai Tôi Sẽ Viết Sách
type: MusicAlbum
date published: 2024-06-16

Ngày Mai Tôi Sẽ Viết Sách
type: MusicAlbum
date published: 2024-06-17
track: Ngày Mai Tôi Sẽ Viết Sách

Xa Em Kỷ Niệm (Remix)
type: MusicAlbum
date published: 2024-06-24

Nợ Nhau Một Chữ Duyên
type: MusicAlbum
date published: 2024-10-10

Cây Đàn Bỏ Quên
type: MusicAlbum
date published: 2024-10-29

Xin Hãy Tin Anh
type: MusicAlbum
date published: 2024-10-29

Nụ Hồng Mong Manh
type: MusicAlbum
date published: 2024-10-29

Duyên Phận
type: MusicAlbum
date published: 2024-10-29

Mashup Dĩ Vãng Nhạt Nhòa - Trăm Năm Không Quên (Xuân Phát Tài 15)
type: MusicAlbum
date published: 2024-12-28

Cánh Hồng Phai (Remix)
type: MusicAlbum
date published: 2024-12-28

Cuốn Phim Buồn
type: MusicAlbum
date published: 2025-01-01

Rạng Đông Tuyển Tập 79
type: MusicAlbum
date published: 2025-01-06

Con Muốn Về Nhà
type: MusicAlbum
date published: 2025-01-25
track: Hôm Nay Con Bận Rồi
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233121
  explicit: false
  by artist: Quang Hà
  in album: Con Muốn Về Nhà
    type: MusicAlbum
    date published: 2025-01-25
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: QM4TW2566753
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T10:00:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4fb314cd35ff0f17a53b30a90df009f3c00dfc589301d882042b0770888a98b3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958142
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958142
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2566753
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T13:00:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fb314cd35ff0f17a53b30a90df009f3c00dfc589301d882042b0770888a98b3. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T13:00:34Z), 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/QM4TW2566753.
    date published: 2026-07-15T13:00:34Z
  audio: Hôm Nay Con Bận Rồi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.145
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 1
    additional property: Danceability
      type: PropertyValue
      value: 0.467
    additional property: Energy
      type: PropertyValue
      value: 0.497
    additional property: Speechiness
      type: PropertyValue
      value: 0.072
    additional property: Acousticness
      type: PropertyValue
      value: 0.848
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.217
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.197
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.574
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Love Each Other
type: MusicAlbum
date published: 2025-02-28

S&M
type: MusicAlbum
date published: 2025-04-12

Cánh Hồng Cho Em
type: MusicAlbum
date published: 2025-05-23

Một Đêm Em Khóc
type: MusicAlbum
date published: 2025-05-27

Nghe Tình Trôi Trong Đêm
type: MusicAlbum
date published: 2025-07-03
track: Tình Em Là Đại Dương
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249780
  explicit: false
  by artist: Quang Hà
  in album: Nghe Tình Trôi Trong Đêm
    type: MusicAlbum
    date published: 2025-07-03
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0F2505469
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T14:24:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa7d80c8cfd6ee4d0274b5c5ba3df63e21f168739db007b1cf99fc274110fba5b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958901
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958901
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2505469
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T17:26:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7d80c8cfd6ee4d0274b5c5ba3df63e21f168739db007b1cf99fc274110fba5b. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:26:49Z), 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/VNA0F2505469.
    date published: 2026-07-20T17:26:49Z
  audio: Tình Em Là Đại Dương
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.953
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.628
    additional property: Energy
      type: PropertyValue
      value: 0.351
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.833
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.342
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.143
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.397
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mảnh Tình Sai Đôi
type: MusicAlbum
date published: 2025-08-18

Mảnh Tình Sai Đôi (Acvtalents Vocal)
type: MusicAlbum
date published: 2025-09-26
track: Mảnh Tình Sai Đôi - Acvtalents Vocal 1
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261263
  explicit: false
  by artist: Quang Hà
  in album: Mảnh Tình Sai Đôi (Acvtalents Vocal)
    type: MusicAlbum
    date published: 2025-09-26
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: DGA052586580
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T06:30:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8f116d934b5fb0115875e6fd580a2ef44f56ac0f7ca8aed4fab4a434e413b525
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958111
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958111
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052586580
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T06:58:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f116d934b5fb0115875e6fd580a2ef44f56ac0f7ca8aed4fab4a434e413b525. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052586580.
    date published: 2026-07-15T06:58:20Z
  audio: Mảnh Tình Sai Đôi - Acvtalents Vocal 1
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.856
    additional property: Musical Key
      type: PropertyValue
      value: 5
    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: 0.341
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.665
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.345
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.56
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Mảnh Tình Sai Đôi - Acvtalents Vocal 2
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213214
  explicit: false
  by artist: Quang Hà
  in album: Mảnh Tình Sai Đôi (Acvtalents Vocal)
    type: MusicAlbum
    date published: 2025-09-26
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: DGA052586581
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T22:07:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5fad23e231ab65d3a48d538ddec853ec3cf4941b7aa5769f5310a368d3c12c47
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052586581
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fad23e231ab65d3a48d538ddec853ec3cf4941b7aa5769f5310a368d3c12c47. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052586581.
    date published: 2026-07-04T11:19:20Z
  audio: Mảnh Tình Sai Đôi - Acvtalents Vocal 2
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.559
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.454
    additional property: Energy
      type: PropertyValue
      value: 0.272
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.616
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.152
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.174
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.177
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mảnh Tình Sai Đôi (Lofi Mix)
type: MusicAlbum
date published: 2025-10-01
track: Mảnh Tình Sai Đôi - Lofi Mix
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258895
  explicit: false
  by artist: Quang Hà
  in album: Mảnh Tình Sai Đôi (Lofi Mix)
    type: MusicAlbum
    date published: 2025-10-01
  genre: vietnamese bolero
  genre: vinahouse
  genre: v-pop
  isrc code: US39N2513495
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T05:55:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc5bd3b131a845f94e1a9969242f47a922b7cb4da87f3867abab735c67f761253
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US39N2513495
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5bd3b131a845f94e1a9969242f47a922b7cb4da87f3867abab735c67f761253. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US39N2513495.
    date published: 2026-07-05T10:01:46Z
  audio: Mảnh Tình Sai Đôi - Lofi Mix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.06
    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: 0.671
    additional property: Energy
      type: PropertyValue
      value: 0.367
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.885
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.17
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.661
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor