Khói
type: MusicGroup
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
popularity: 44
followers: 262028
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x0d3adddad8ff9bea55b8b9f7c7ca0d04a781a25526ef8443c16002b0cbaa1d57
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/de7b397d-a26d-480c-9f9e-b03537e300ff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de7b397d-a26d-480c-9f9e-b03537e300ff.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/de7b397d-a26d-480c-9f9e-b03537e300ff
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d3adddad8ff9bea55b8b9f7c7ca0d04a781a25526ef8443c16002b0cbaa1d57. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/de7b397d-a26d-480c-9f9e-b03537e300ff.json and https://artists.proofprofile.net/proofs/artist/de7b397d-a26d-480c-9f9e-b03537e300ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Như Chưa Bao Giờ
  type: MusicAlbum
  date published: 2015-02-04
album: Như Chưa Bao Giờ
  type: MusicAlbum
  date published: 2015-02-04
  track: Như Chưa Bao Giờ
    type: MusicRecording
    duration: PT3M0S
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    by artist: Khói
    in album: Như Chưa Bao Giờ
      type: MusicAlbum
      date published: 2015-02-04
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: FR96X2151076
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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      type: PropertyValue
      value: 2026-06-29T21:49:33+00:00
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2151076
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8578d1471c991afd3f55a3d49878a4098f4a651aa23681a1d9a5d5b123ef9265. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2151076.
      date published: 2026-07-02T16:51:38Z
    audio: Như Chưa Bao Giờ
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      additional property: Tempo (BPM)
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Mode Name
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album: Thiên Đường
  type: MusicAlbum
  date published: 2015-03-09
album: Thiên Đường
  type: MusicAlbum
  date published: 2015-03-09
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      type: MusicAlbum
      date published: 2015-03-09
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
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    additional property: CopyrightStatus
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
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    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 0xc1b72db26e77003f82540ed619b8199db198241e602240c4eb63513f2bcd1fdf. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/FR96X2151070.
      date published: 2026-07-13T18:21:04Z
    audio: Thiên Đường
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      additional property: Mode (Major/Minor)
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
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album: Tháng 5 Của Anh
album: Xin Em Giữ Mưa Ở Lại
album: Tháng 7 Của Anh, Em Và Cô Đơn
album: Như Ngày Đó
album: Bệnh Của Anh
album: Tất Cả Của Anh
album: anh thèm được ngủ
album: Anh Thèm Được Ngủ (New$oulZ Mix)
album: Hai Đám Mây
album: Hai Đám Mây (Beat)
album: Tháng 6 Của Anh
album: Anh Không Nợ Em Lời Giải Thích
album: Tháng 9 Của Anh
album: Thì Anh Không Biết
album: Đôi Ba Chiếc Lá
album: ANENL
album: 7 Cuộc Gọi Nhỡ
album: Nếu Em Ở Lại (Acoustic Version)
album: Dưới Cơn Mưa
album: Là Do Em Xui Thôi
album: Là Do Em Xui Thôi (Remix Version)
album: Anh Thèm Được Ngủ (New$oulZ mix)
album: Nhớ Người Hay Nhớ...
album: tài liệu không có tiêu đề
album: em hãy ở nhà
album: tekb
album: Hai Đám Mây (Instrumental)
album: Hoàng Hôn
album: Bai Hat Khong Ten Gui Em
album: Nhớ Người Hay Nhớ
album: Thì Em Không Biết (Live)
album: Tình yêu như chén rượu
album: bleu
album: Một Chút Đà Lạt
album: tí tách (bleu)
album: ldext (Lofi version)
album: note buồn trên cát
album: Từng là tụi mình
album: Chân Ái (TiJak Remix)
album: buồn thì khóc hihi
album: Hai lần mất em
album: hãy để anh yêu em
track: Chân Ái
track: Yêu Phải Tính
track: Chân Ái (Beat)
track: Nói Em Nghe Về Cô Ấy
track: Tháng 7 Của Anh - Live At Drunk On Music
track: Buồn Không Em / Nếu Em Ở Lại - Live At Drunk On Music

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value: 0.146

Speechiness
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Acousticness
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Instrumentalness
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value: 0

Liveness
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Valence (Positivity)
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Loudness (dB)
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value: -18.227

Key Name
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Mode Name
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Tháng 5 Của Anh
type: MusicAlbum
date published: 2015-05-20

Tháng 5 Của Anh
type: MusicAlbum
date published: 2015-05-20

Xin Em Giữ Mưa Ở Lại
type: MusicAlbum
date published: 2015-07-06

Xin Em Giữ Mưa Ở Lại
type: MusicAlbum
date published: 2015-07-06

Tháng 7 Của Anh, Em Và Cô Đơn
type: MusicAlbum
date published: 2015-07-17

Tháng 7 Của Anh, Em Và Cô Đơn
type: MusicAlbum
date published: 2015-07-17

Tháng 7 Của Anh, Em Và Cô Đơn
type: MusicAlbum
date published: 2015-07-17

Như Ngày Đó
type: MusicAlbum
date published: 2015-08-23

Như Ngày Đó
type: MusicAlbum
date published: 2015-08-23

Như Ngày Đó
type: MusicAlbum
date published: 2015-08-23

Bệnh Của Anh
type: MusicAlbum
date published: 2015-12-24

Tất Cả Của Anh
type: MusicAlbum
date published: 2017-03-26

Tất Cả Của Anh
type: MusicAlbum
date published: 2017-03-26

anh thèm được ngủ
type: MusicAlbum
date published: 2017-12-20

Anh Thèm Được Ngủ (New$oulZ Mix)
type: MusicAlbum
date published: 2018-01-04

Hai Đám Mây
type: MusicAlbum
date published: 2018-03-01

Hai Đám Mây (Beat)
type: MusicAlbum
date published: 2018-03-01

Tháng 6 Của Anh
type: MusicAlbum
date published: 2018-07-07

Tháng 6 Của Anh
type: MusicAlbum
date published: 2018-07-11

Xin Em Giữ Mưa Ở Lại
type: MusicAlbum
date published: 2018-08-19

Tháng 5 Của Anh
type: MusicAlbum
date published: 2018-08-19

Tháng 7 Của Anh, Em Và Cô Đơn
type: MusicAlbum
date published: 2018-08-19

Anh Không Nợ Em Lời Giải Thích
type: MusicAlbum
date published: 2018-08-20

Anh Không Nợ Em Lời Giải Thích
type: MusicAlbum
date published: 2018-08-20

Tháng 9 Của Anh
type: MusicAlbum
date published: 2018-09-18

Tháng 9 Của Anh
type: MusicAlbum
date published: 2018-09-18

Thì Anh Không Biết
type: MusicAlbum
date published: 2018-11-09

Thì Anh Không Biết
type: MusicAlbum
date published: 2018-11-09

Thì Anh Không Biết
type: MusicAlbum
date published: 2018-11-09

Đôi Ba Chiếc Lá
type: MusicAlbum
date published: 2018-11-21

Đôi Ba Chiếc Lá
type: MusicAlbum
date published: 2018-11-21

Tháng 6 Của Anh
type: MusicAlbum
date published: 2018-12-18

Đôi Ba Chiếc Lá
type: MusicAlbum
date published: 2018-12-21

Thiên Đường
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date published: 2019-02-04

Tất Cả Của Anh
type: MusicAlbum
date published: 2019-02-04

ANENL
type: MusicAlbum
date published: 2019-02-05

ANENL
type: MusicAlbum
date published: 2019-02-05

7 Cuộc Gọi Nhỡ
type: MusicAlbum
date published: 2019-05-06

7 Cuộc Gọi Nhỡ
type: MusicAlbum
date published: 2019-05-06

7 Cuộc Gọi Nhỡ
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date published: 2019-05-13

Nếu Em Ở Lại (Acoustic Version)
type: MusicAlbum
date published: 2019-06-21

Nếu Em Ở Lại (Acoustic Version)
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date published: 2019-06-21

Nếu Em Ở Lại (Acoustic Version)
type: MusicAlbum
date published: 2019-06-21

Dưới Cơn Mưa
type: MusicAlbum
date published: 2019-12-12

Là Do Em Xui Thôi
type: MusicAlbum
date published: 2020
track: Là Do Em Xui Thôi
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  duration ms: 290366
  explicit: false
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  in album: Là Do Em Xui Thôi
    type: MusicAlbum
    date published: 2020
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1925707
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    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1925707
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x559dba82865f6725da8667d6b4a2549d21bdcd7a712420f92b189a7d12c5f961. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1925707.
    date published: 2026-06-13T12:47:07Z
  audio: Là Do Em Xui Thôi
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    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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Là Do Em Xui Thôi (Remix Version)
type: MusicAlbum
date published: 2020

Anh Thèm Được Ngủ (New$oulZ mix)
type: MusicAlbum
date published: 2020-02-15

Nhớ Người Hay Nhớ...
type: MusicAlbum
date published: 2020-02-25
track: Nhớ Người Hay Nhớ...
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254034
  explicit: false
  by artist: Khói
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    type: MusicAlbum
    date published: 2020-02-25
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
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  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  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 0x740f794b62ae17762be9a717df9e7ae52a9c80c5a1a77626bccd3d733818abcc. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1912006.
    date published: 2026-06-13T13:32:09Z
  audio: Nhớ Người Hay Nhớ...
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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      type: PropertyValue
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      type: PropertyValue
      value: 0.188
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.036
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Nhớ Người Hay Nhớ...
type: MusicAlbum
date published: 2020-02-25
track: Nhớ Người Hay Nhớ
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254034
  explicit: false
  by artist: Khói
  in album: Nhớ Người Hay Nhớ...
    type: MusicAlbum
    date published: 2020-02-25
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1912006
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T18:28:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x740f794b62ae17762be9a717df9e7ae52a9c80c5a1a77626bccd3d733818abcc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1912006
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x740f794b62ae17762be9a717df9e7ae52a9c80c5a1a77626bccd3d733818abcc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1912006.
    date published: 2026-06-13T15:41:10Z
  audio: Nhớ Người Hay Nhớ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 158.824
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.587
    additional property: Energy
      type: PropertyValue
      value: 0.607
    additional property: Speechiness
      type: PropertyValue
      value: 0.092
    additional property: Acousticness
      type: PropertyValue
      value: 0.707
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.33
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.172
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.027
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

tài liệu không có tiêu đề
type: MusicAlbum
date published: 2020-04-17

tài liệu không có tiêu đề
type: MusicAlbum
date published: 2020-04-17

em hãy ở nhà
type: MusicAlbum
date published: 2020-04-21

em hãy ở nhà
type: MusicAlbum
date published: 2020-04-21

tekb
type: MusicAlbum
date published: 2020-05-27

tekb
type: MusicAlbum
date published: 2020-05-27

tekb
type: MusicAlbum
date published: 2020-06-22

em hãy ở nhà
type: MusicAlbum
date published: 2020-10-21

tài liệu không có tiêu đề
type: MusicAlbum
date published: 2020-10-21

Hai Đám Mây
type: MusicAlbum
date published: 2020-10-27

Hai Đám Mây
type: MusicAlbum
date published: 2020-10-27

Hai Đám Mây (Instrumental)
type: MusicAlbum
date published: 2020-10-31

Hai Đám Mây (Instrumental)
type: MusicAlbum
date published: 2020-10-31

Hoàng Hôn
type: MusicAlbum
date published: 2020-11-27

Bai Hat Khong Ten Gui Em
type: MusicAlbum
date published: 2020-12-19

anh thèm được ngủ
type: MusicAlbum
date published: 2021-02-19

Nhớ Người Hay Nhớ
type: MusicAlbum
date published: 2021-02-25

Tháng 9 Của Anh
type: MusicAlbum
date published: 2021-05-09

Anh Không Nợ Em Lời Giải Thích
type: MusicAlbum
date published: 2021-05-10
track: Anh Không Nợ Em Lời Giải Thích
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286369
  explicit: false
  by artist: Khói
  in album: Anh Không Nợ Em Lời Giải Thích
    type: MusicAlbum
    date published: 2021-05-10
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FR96X2150648
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T17:35:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4d588d81d961e66ee148c063451a0d7fcdaa2a9d29a4921a328154a7cbe104dd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957892
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957892
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2150648
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:16Z
  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 0x4d588d81d961e66ee148c063451a0d7fcdaa2a9d29a4921a328154a7cbe104dd. Chain 2 (Bitcoin): anchored in block 957892 (2026-07-13T18:21:16Z), 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/FR96X2150648.
    date published: 2026-07-13T18:21:16Z
  audio: Anh Không Nợ Em Lời Giải Thích
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 81.601
    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: 0.443
    additional property: Energy
      type: PropertyValue
      value: 0.286
    additional property: Speechiness
      type: PropertyValue
      value: 0.232
    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.344
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.357
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.762
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

ANENL
type: MusicAlbum
date published: 2021-05-10
track: ANENL
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199801
  explicit: false
  by artist: Khói
  in album: ANENL
    type: MusicAlbum
    date published: 2021-05-10
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FR96X2150651
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T21:09:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7659ea32067e79ab392472eaec10c64884a57af83aae8c2f0444e4c10a832b1b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958203
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958203
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2150651
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T00:14:04Z
  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 0x7659ea32067e79ab392472eaec10c64884a57af83aae8c2f0444e4c10a832b1b. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:14:04Z), 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/FR96X2150651.
    date published: 2026-07-16T00:14:04Z
  audio: ANENL
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 77.894
    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: 0.395
    additional property: Energy
      type: PropertyValue
      value: 0.339
    additional property: Speechiness
      type: PropertyValue
      value: 0.328
    additional property: Acousticness
      type: PropertyValue
      value: 0.92
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.128
    additional property: Liveness
      type: PropertyValue
      value: 0.347
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.504
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.553
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Thì Em Không Biết (Live)
type: MusicAlbum
date published: 2021-06-16

Thì Em Không Biết (Live)
type: MusicAlbum
date published: 2021-06-16

Tình yêu như chén rượu
type: MusicAlbum
date published: 2021-10-15

Tình yêu như chén rượu
type: MusicAlbum
date published: 2021-10-21

bleu
type: MusicAlbum
date published: 2021-10-28

bleu
type: MusicAlbum
date published: 2021-10-29

Một Chút Đà Lạt
type: MusicAlbum
date published: 2021-11-06

tí tách (bleu)
type: MusicAlbum
date published: 2021-12-24

tí tách (bleu)
type: MusicAlbum
date published: 2021-12-24

Là Do Em Xui Thôi
type: MusicAlbum
date published: 2022-01-18
track: Là Do Em Xui Thôi
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290366
  explicit: false
  by artist: Khói
  in album: Là Do Em Xui Thôi
    type: MusicAlbum
    date published: 2022-01-18
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1925707
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T11:30:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x559dba82865f6725da8667d6b4a2549d21bdcd7a712420f92b189a7d12c5f961
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1925707
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x559dba82865f6725da8667d6b4a2549d21bdcd7a712420f92b189a7d12c5f961. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1925707.
    date published: 2026-06-13T13:32:09Z
  audio: Là Do Em Xui Thôi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.254
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.695
    additional property: Energy
      type: PropertyValue
      value: 0.654
    additional property: Speechiness
      type: PropertyValue
      value: 0.111
    additional property: Acousticness
      type: PropertyValue
      value: 0.385
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.402
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.138
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Là Do Em Xui Thôi (Remix Version)
type: MusicAlbum
date published: 2022-01-18

ldext (Lofi version)
type: MusicAlbum
date published: 2022-03-19

ldext (Lofi version)
type: MusicAlbum
date published: 2022-03-19

note buồn trên cát
type: MusicAlbum
date published: 2022-10-26
track: note buồn trên cát (Intro)
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256265
  explicit: false
  by artist: Khói
  in album: note buồn trên cát
    type: MusicAlbum
    date published: 2022-10-26
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: DGA052244939
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T18:11:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x33353a92c888e987ce06f51e64102c6bfc814c1973da930d0477e752eb4ee96e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052244939
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:04Z
  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 0x33353a92c888e987ce06f51e64102c6bfc814c1973da930d0477e752eb4ee96e. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/DGA052244939.
    date published: 2026-07-13T18:21:04Z
  audio: note buồn trên cát (Intro)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 68.116
    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: 0.645
    additional property: Energy
      type: PropertyValue
      value: 0.371
    additional property: Speechiness
      type: PropertyValue
      value: 0.488
    additional property: Acousticness
      type: PropertyValue
      value: 0.625
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.154
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.431
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.711
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: sau hôm nay (Intro)
  type: MusicRecording
  duration: PT0M36S
  duration ms: 36636
  explicit: false
  by artist: Khói
  in album: note buồn trên cát
    type: MusicAlbum
    date published: 2022-10-26
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: DGA052244941
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T06:06:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x54f5e5dc929a13c63e042205d08fd2b0e2079bc281566a5f5ec3af1431194ce9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958383
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958383
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052244941
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T08:20:01Z
  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 0x54f5e5dc929a13c63e042205d08fd2b0e2079bc281566a5f5ec3af1431194ce9. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/DGA052244941.
    date published: 2026-07-17T08:20:01Z
  audio: sau hôm nay (Intro)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 73.253
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.54
    additional property: Energy
      type: PropertyValue
      value: 0.081
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.861
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.007
    additional property: Liveness
      type: PropertyValue
      value: 0.16
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.04
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.293
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: tâm bệnh
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210000
  explicit: false
  by artist: Khói
  in album: note buồn trên cát
    type: MusicAlbum
    date published: 2022-10-26
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: DGA052244946
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T16:33:07+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: tâm bệnh
track: note buồn trên cát (Outro)

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xbf8d7aa236fd97fd7996a7df4bff58aa65a509ea4282db31f8c0a7a854de9529

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956551

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956551

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052244946

OTSTimestamp
type: PropertyValue
value: 2026-07-03T21:18:05Z

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 0xbf8d7aa236fd97fd7996a7df4bff58aa65a509ea4282db31f8c0a7a854de9529. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/DGA052244946.
date published: 2026-07-03T21:18:05Z

tâm bệnh
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 120.013
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.743
additional property: Energy
  type: PropertyValue
  value: 0.74
additional property: Speechiness
  type: PropertyValue
  value: 0.087
additional property: Acousticness
  type: PropertyValue
  value: 0.455
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.241
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.069
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.304
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

note buồn trên cát (Outro)
type: MusicRecording
duration: PT3M29S
duration ms: 209490
explicit: false
by artist: Khói
in album: note buồn trên cát
  type: MusicAlbum
  date published: 2022-10-26
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: DGA052244949
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T03:15:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6467429e5a9ff8dd5dbef836a14c138d3452b4b9976cd2a752154c5ba1f6ffec
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/DGA052244949
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 0x6467429e5a9ff8dd5dbef836a14c138d3452b4b9976cd2a752154c5ba1f6ffec. 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/DGA052244949.
  date published: 2026-07-18T04:13:26Z
audio: note buồn trên cát (Outro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.044
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.762
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.285
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.322
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.603
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.967
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

note buồn trên cát
type: MusicAlbum
date published: 2022-10-26

Từng là tụi mình
type: MusicAlbum
date published: 2023-02-07

Từng là tụi mình
type: MusicAlbum
date published: 2023-02-07

Bệnh Của Anh
type: MusicAlbum
date published: 2023-03-16

Chân Ái (TiJak Remix)
type: MusicAlbum
date published: 2023-04-03

buồn thì khóc hihi
type: MusicAlbum
date published: 2023-04-14
track: buồn thì khóc hihi
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181298
  explicit: false
  by artist: Khói
  in album: buồn thì khóc hihi
    type: MusicAlbum
    date published: 2023-04-14
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FRX282395525
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T20:54:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe7fdd068da9e3a46af81367e11ff47e3ba59a9e2cab6e9a0150c7be01dd3f499
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958325
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958325
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282395525
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T23:55:54Z
  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 0xe7fdd068da9e3a46af81367e11ff47e3ba59a9e2cab6e9a0150c7be01dd3f499. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:55:54Z), 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/FRX282395525.
    date published: 2026-07-16T23:55:54Z
  audio: buồn thì khóc hihi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.899
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.635
    additional property: Energy
      type: PropertyValue
      value: 0.679
    additional property: Speechiness
      type: PropertyValue
      value: 0.088
    additional property: Acousticness
      type: PropertyValue
      value: 0.218
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.11
    additional property: Liveness
      type: PropertyValue
      value: 0.144
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.409
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.711
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

buồn thì khóc hihi
type: MusicAlbum
date published: 2023-04-17

Dưới Cơn Mưa
type: MusicAlbum
date published: 2023-04-18

Hai lần mất em
type: MusicAlbum
date published: 2023-10-13

Hai lần mất em
type: MusicAlbum
date published: 2023-10-13

hãy để anh yêu em
type: MusicAlbum
date published: 2024-02-09
track: nhưng mà đừng nhưng… mà!
  type: MusicRecording
  duration: PT5M56S
  duration ms: 356121
  explicit: false
  by artist: Khói
  in album: hãy để anh yêu em
    type: MusicAlbum
    date published: 2024-02-09
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FR2X42476793
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T17:33:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd480a9b3d4c1f6277870f62022afd17f6e888e31e33efd4cfd558e5291b24bbb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42476793
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:04Z
  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 0xd480a9b3d4c1f6277870f62022afd17f6e888e31e33efd4cfd558e5291b24bbb. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/FR2X42476793.
    date published: 2026-07-13T18:21:04Z
  audio: nhưng mà đừng nhưng… mà!
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.031
    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: 0.551
    additional property: Energy
      type: PropertyValue
      value: 0.552
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.305
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.287
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.573
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.244
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

hãy để anh yêu em
type: MusicAlbum
date published: 2024-02-10

Chân Ái
type: MusicRecording
duration: PT4M22S
duration ms: 262826
explicit: false
by artist: Orange
by artist: Khói
by artist: Châu Đăng Khoa
in album: Chân Ái
  type: MusicAlbum
  date published: 2020-04-15
isrc code: VNA0M1907516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:29:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41a1e01a3c2b3bb673959ea38b25f2a5d5ecbf535fb6cd28fb8aeaf63168170b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1907516
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a1e01a3c2b3bb673959ea38b25f2a5d5ecbf535fb6cd28fb8aeaf63168170b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1907516.
  date published: 2026-06-13T15:41:10Z
audio: Chân Ái
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.487
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.616
  additional property: Energy
    type: PropertyValue
    value: 0.519
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.487
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.453
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.576
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.579
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Yêu Phải Tính
type: MusicRecording
duration: PT4M33S
duration ms: 273221
explicit: false
by artist: Châu Đăng Khoa
by artist: Pham Dinh Thai Ngan
by artist: Khói
in album: Yêu Phải Tính
  type: MusicAlbum
  date published: 2022-01-20
genre: vinahouse
genre: v-pop
genre: vietnamese-hip-hop
genre: vietnamese-lo-fi
isrc code: FR10S2243857
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T17:33:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda77cbd37ff04bfec228cf481ee84caee8c19afca192908b85ee09838d4e8083
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2243857
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0xda77cbd37ff04bfec228cf481ee84caee8c19afca192908b85ee09838d4e8083. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FR10S2243857.
  date published: 2026-07-02T05:09:12Z
audio: Yêu Phải Tính
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.076
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.596
  additional property: Energy
    type: PropertyValue
    value: 0.366
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.856
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.227
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.438
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.343
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Chân Ái
type: MusicRecording
duration: PT4M22S
duration ms: 262826
explicit: false
by artist: Orange
by artist: Khói
by artist: Châu Đăng Khoa
in album: Chân Ái
  type: MusicAlbum
  date published: 2020-04-15
isrc code: VNA0M1907516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:29:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41a1e01a3c2b3bb673959ea38b25f2a5d5ecbf535fb6cd28fb8aeaf63168170b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1907516
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a1e01a3c2b3bb673959ea38b25f2a5d5ecbf535fb6cd28fb8aeaf63168170b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1907516.
  date published: 2026-06-13T15:41:10Z
audio: Chân Ái
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.952
  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: 0.616
  additional property: Energy
    type: PropertyValue
    value: 0.519
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.487
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.453
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.576
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.627
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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Chân Ái (Beat)
type: MusicRecording
duration: PT4M22S
duration ms: 262826
explicit: false
by artist: Orange
by artist: Khói
by artist: Châu Đăng Khoa
in album: Chân Ái
  type: MusicAlbum
  date published: 2020-04-15
isrc code: VNA0M1924975
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x682f383af3af1f33375f64553b4c5cbf3d8fb7bd0685dfb70e65c0a49d18a0f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1924975
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
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 0x682f383af3af1f33375f64553b4c5cbf3d8fb7bd0685dfb70e65c0a49d18a0f3. 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/VNA0M1924975.
  date published: 2026-07-06T07:53:57Z
audio: Chân Ái (Beat)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.518
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.667
  additional property: Energy
    type: PropertyValue
    value: 0.492
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.156
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.786
  additional property: Liveness
    type: PropertyValue
    value: 0.668
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.234
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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Nói Em Nghe Về Cô Ấy
type: MusicRecording
duration: PT5M12S
duration ms: 312328
explicit: false
by artist: Hằng BingBoong
by artist: Khói
in album: Nói Em Nghe Về Cô Ấy
  type: MusicAlbum
  date published: 2020-05-01
genre: vinahouse
genre: v-pop
genre: vietnam-indie
isrc code: VNA0M1907494
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T22:17:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7aa548ff694e4c0c93c5c6997d9d12fe6eea09bba63f9776d4a6d3931c3bb338
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/VNA0M1907494
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aa548ff694e4c0c93c5c6997d9d12fe6eea09bba63f9776d4a6d3931c3bb338. 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/VNA0M1907494.
  date published: 2026-07-02T03:30:09Z
audio: Nói Em Nghe Về Cô Ấy
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.652
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.63
  additional property: Energy
    type: PropertyValue
    value: 0.395
  additional property: Speechiness
    type: PropertyValue
    value: 0.136
  additional property: Acousticness
    type: PropertyValue
    value: 0.83
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.299
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.325
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tháng 7 Của Anh - Live At Drunk On Music
type: MusicRecording
duration: PT5M2S
duration ms: 302068
explicit: false
by artist: Khói
by artist: Đạt G
in album: DRUNK ON MUSIC (Live)
  type: MusicAlbum
  date published: 2022-08-02
isrc code: FRX452219173
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T20:46:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a6f29f1c9bc962411adb964dbc7510a60d61ac60b2f2164675a80ee8c822877
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452219173
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a6f29f1c9bc962411adb964dbc7510a60d61ac60b2f2164675a80ee8c822877. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452219173.
  date published: 2026-06-13T13:32:09Z
audio: Tháng 7 Của Anh - Live At Drunk On Music
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.894
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.755
  additional property: Energy
    type: PropertyValue
    value: 0.364
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.404
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.195
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.796
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Buồn Không Em / Nếu Em Ở Lại - Live At Drunk On Music
type: MusicRecording
duration: PT5M30S
duration ms: 330288
explicit: false
by artist: Đạt G
by artist: Khói
by artist: Huỳnh Tú
by artist: Hakoota
in album: DRUNK ON MUSIC (Live)
  type: MusicAlbum
  date published: 2022-08-02
genre: vinahouse
genre: v-pop
genre: vietnamese-hip-hop
isrc code: FRX452219174
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:39:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0bf1177092f1da7b1c5b548a9d23bd64107384175aa5009700aa3923eca12ae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452219174
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0bf1177092f1da7b1c5b548a9d23bd64107384175aa5009700aa3923eca12ae. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452219174.
  date published: 2026-06-13T17:25:41Z
audio: Buồn Không Em / Nếu Em Ở Lại - Live At Drunk On Music
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.685
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.367
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.894
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.385
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.017
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor