DatKaa
type: MusicGroup
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: vinahouse
genre: v-pop
popularity: 43
followers: 87809
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf320c6da4a6ee6fdba0486565cecd417ccf6a37ac31fd0de30f53880a4c93760
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/436e1e27-2dc0-4753-825b-2317be61c445.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/436e1e27-2dc0-4753-825b-2317be61c445.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/436e1e27-2dc0-4753-825b-2317be61c445
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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 0xf320c6da4a6ee6fdba0486565cecd417ccf6a37ac31fd0de30f53880a4c93760. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/436e1e27-2dc0-4753-825b-2317be61c445.json and https://artists.proofprofile.net/proofs/artist/436e1e27-2dc0-4753-825b-2317be61c445.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Dừng Thương
  type: MusicAlbum
  date published: 2020-04-04
album: Đường Quyền Tình Yêu
  type: MusicAlbum
  date published: 2020-06-06
album: Người Có Thương?
  type: MusicAlbum
  date published: 2020-08-08
album: Chiều Thu Hoạ Bóng Nàng
  type: MusicAlbum
  date published: 2020-12-13
album: Chiều Thu Hoạ Bóng Nàng
  type: MusicAlbum
  date published: 2020-12-14
album: Chiều Thu Họa Bóng Nàng (Ballad Version)
  type: MusicAlbum
  date published: 2020-12-27
album: Hạ Còn Vương Nắng
  type: MusicAlbum
  date published: 2021-04-04
  track: Hạ Còn Vương Nắng
    type: MusicRecording
    duration: PT4M45S
    duration ms: 285648
    explicit: false
    by artist: DatKaa
    in album: Hạ Còn Vương Nắng
      type: MusicAlbum
      date published: 2021-04-04
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: vinahouse
    genre: v-pop
    isrc code: QMFME2229525
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T18:19:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb109f3bc9e217e58733e4ba2a60e6cf18ca3160859c1a8b9c5a9c614ee9cf157
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957745
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957745
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2229525
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T19:20:20Z
    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 0xb109f3bc9e217e58733e4ba2a60e6cf18ca3160859c1a8b9c5a9c614ee9cf157. Chain 2 (Bitcoin): anchored in block 957745 (2026-07-12T19:20:20Z), 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/QMFME2229525.
      date published: 2026-07-12T19:20:20Z
    audio: Hạ Còn Vương Nắng
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.995
      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: 0.799
      additional property: Energy
        type: PropertyValue
        value: 0.802
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.468
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.101
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.365
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.814
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Hạ Còn Vương Nắng
  type: MusicAlbum
  date published: 2021-04-04
album: Hạ Còn Vương Nắng
  type: MusicAlbum
  date published: 2021-06-22
album: Dừng Thương
  type: MusicAlbum
  date published: 2021-06-22
album: Người Có Thương?
  type: MusicAlbum
  date published: 2021-06-22
album: Đường Quyền Tình Yêu
  type: MusicAlbum
  date published: 2021-06-22
album: Giờ Em Đâu ?
  type: MusicAlbum
  date published: 2021-07-07
album: Đông Phai Mờ Dáng Ai
  type: MusicAlbum
  date published: 2021-10-10
album: Cơn Mưa Chiều Ấy
  type: MusicAlbum
  date published: 2021-12-12
album: Mây Hồng Đưa Lối
  type: MusicAlbum
  date published: 2022-03-03
album: Tình Thu Sao Hạ Buồn
  type: MusicAlbum
  date published: 2022-06-07
album: Hay Là Trăng Nói
  type: MusicAlbum
  date published: 2022-09-12
album: Anh Tệ
  type: MusicAlbum
  date published: 2022-11-01
album: Bao Lâu Chưa Về Nhà ?
  type: MusicAlbum
  date published: 2023-01-18
album: Thu Xa Ngút Ngàn
  type: MusicAlbum
  date published: 2023-04-04
album: Sao Không Nói?
  type: MusicAlbum
  date published: 2023-06-10
album: Chất Phương Nam
  type: MusicAlbum
  date published: 2023-10-19
album: Bây Giờ Thì
  type: MusicAlbum
  date published: 2023-11-19
album: Có Sao Cũng Đành
album: Có Sao Cũng Đành (Remix Version)
album: Khuất Trong Sương Mù
album: Khuất Trong Sương Mù (Remix Version)
album: Tin Anh Nha
album: Một Vài Năm Trước
album: Một Vài Năm Trước (Remix)
album: Chén Cơm Đời
album: Đớn Đau Vô Cùng

Có Sao Cũng Đành
type: MusicAlbum
date published: 2024-04-05

Có Sao Cũng Đành (Remix Version)
type: MusicAlbum
date published: 2024-04-17

Khuất Trong Sương Mù
type: MusicAlbum
date published: 2024-09-09

Khuất Trong Sương Mù (Remix Version)
type: MusicAlbum
date published: 2024-09-27
track: Khuất Trong Sương Mù - Remix Version
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200617
  explicit: false
  by artist: DatKaa
  in album: Khuất Trong Sương Mù (Remix Version)
    type: MusicAlbum
    date published: 2024-09-27
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: vinahouse
  genre: v-pop
  isrc code: DGA0L2460694
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T05:20:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x774f1f05679b86f8ac091e84d81be96c0f88e5fdc6f20f3a71cc832c81d4e10b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958246
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958246
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0L2460694
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T08:22:32Z
  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 0x774f1f05679b86f8ac091e84d81be96c0f88e5fdc6f20f3a71cc832c81d4e10b. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:22:32Z), 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/DGA0L2460694.
    date published: 2026-07-16T08:22:32Z
  audio: Khuất Trong Sương Mù - Remix Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.016
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.747
    additional property: Energy
      type: PropertyValue
      value: 0.788
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.234
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.01
    additional property: Liveness
      type: PropertyValue
      value: 0.224
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.803
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.485
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Tin Anh Nha
type: MusicAlbum
date published: 2024-10-10

Một Vài Năm Trước
type: MusicAlbum
date published: 2025-03-21

Một Vài Năm Trước (Remix)
type: MusicAlbum
date published: 2025-04-14

Chén Cơm Đời
type: MusicAlbum
date published: 2025-08-20

Đớn Đau Vô Cùng
type: MusicAlbum
date published: 2025-11-08