Jack - J97
type: MusicGroup
genre: vietnamese lo-fi
genre: vinahouse
genre: v-pop
popularity: 44
followers: 549588
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd5d6e2357b7103557917c1b601372885e2122ed9bc1937849452a15d741f0097
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/bd02e997-475c-405f-9ae6-bc2ca4b3a0b7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bd02e997-475c-405f-9ae6-bc2ca4b3a0b7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bd02e997-475c-405f-9ae6-bc2ca4b3a0b7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd5d6e2357b7103557917c1b601372885e2122ed9bc1937849452a15d741f0097","name":"Jack - J97","registered_at":"2026-06-12T08:35:07Z","symbol":"NIM0243805","token_address":"0xc8b8a65ff6b205d047590f12703fc4293235bb5c","type":"artist","uuid":"bd02e997-475c-405f-9ae6-bc2ca4b3a0b7"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5d6e2357b7103557917c1b601372885e2122ed9bc1937849452a15d741f0097. 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/bd02e997-475c-405f-9ae6-bc2ca4b3a0b7.json and https://artists.proofprofile.net/proofs/artist/bd02e997-475c-405f-9ae6-bc2ca4b3a0b7.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xd5d6e2357b7103557917c1b601372885e2122ed9bc1937849452a15d741f0097","name":"Jack - J97","registered_at":"2026-06-12T08:35:07Z","symbol":"NIM0243805","token_address":"0xc8b8a65ff6b205d047590f12703fc4293235bb5c","type":"artist","uuid":"bd02e997-475c-405f-9ae6-bc2ca4b3a0b7"}
album: LayLaLay
  type: MusicAlbum
  date published: 2018-03-01
album: Về Bên Anh
  type: MusicAlbum
  date published: 2020-01-01
  track: Về Bên Anh
    type: MusicRecording
    duration: PT4M9S
    duration ms: 249968
    explicit: false
    by artist: Jack - J97
    in album: Về Bên Anh
      type: MusicAlbum
      date published: 2020-01-01
    genre: vietnamese lo-fi
    genre: vinahouse
    genre: v-pop
    isrc code: QMFME2245291
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T03:17:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xea4fa23ac3461787a5ddf14335a51d830db12974cf621df9ddfab525e5737a71
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2245291
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4fa23ac3461787a5ddf14335a51d830db12974cf621df9ddfab525e5737a71. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2245291 — a six-check JSON result.
      date published: 2026-07-03T08:56:35Z
    audio: Về Bên Anh
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 111.915
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.692
      additional property: Energy
        type: PropertyValue
        value: 0.496
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.886
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.124
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.482
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.01
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Hồng Nhan
  type: MusicAlbum
  date published: 2020-01-01
album: Là 1 Thằng Con Trai
  type: MusicAlbum
  date published: 2020-03-10
album: Hoa Hải Đường
  type: MusicAlbum
  date published: 2020-09-22
album: Đom Đóm
  type: MusicAlbum
  date published: 2020-12-26
album: Đom Đóm
  type: MusicAlbum
  date published: 2020-12-26
album: Là 1 Thằng Con Trai
  type: MusicAlbum
  date published: 2021-01-05
album: hồng nhan (Piano slowed version)
  type: MusicAlbum
  date published: 2022-02-25
album: Ngôi Sao Cô Đơn
  type: MusicAlbum
  date published: 2022-07-19
album: Ngôi Sao Cô Đơn
  type: MusicAlbum
  date published: 2022-07-19
  track: Ngôi Sao Cô Đơn
    type: MusicRecording
    duration: PT4M35S
    duration ms: 275583
    explicit: false
    by artist: Jack - J97
    in album: Ngôi Sao Cô Đơn
      type: MusicAlbum
      date published: 2022-07-19
    genre: vietnamese lo-fi
    genre: vinahouse
    genre: v-pop
    isrc code: FRX282253319
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T01:34:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfadb384b3f8c2ef547b9c5cd5cb5d3a95215ff4201f7a8cd086caa9a3daf68f1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282253319
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfadb384b3f8c2ef547b9c5cd5cb5d3a95215ff4201f7a8cd086caa9a3daf68f1. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282253319 — a six-check JSON result.
      date published: 2026-07-03T08:56:35Z
    audio: Ngôi Sao Cô Đơn
album: Ngôi Sao Cô Đơn (Lo-fi Ver.)
album: Cuối Cùng Thì
album: Trịnh Gia
album: A Brilliant Journey (L1TCT Funky Rap Version)
album: Cuối cùng thì (Remix)
album: Xóa Tên Anh Đi
album: Từ Nơi Tôi Sinh Ra
album: Chúng Ta Rồi Sẽ Hạnh Phúc (Hướng Dương Ngược Nắng)
album: Thiên Lý Ơi
album: Thiên Lý Ơi (Lofi)
album: Thiên Lý Ơi (Remix)
album: Thiên Lý Ơi (Vinahouse)
album: Chúng Ta Rồi Sẽ Hạnh Phúc (Lofi)
album: Dưới Tán Cây Khô Hoa Nở
album: Thiên Lý Ơi - Qtrung Remix
album: 01 Ngoại Lệ
album: 01 Ngoại Lệ (DJ AM Remix)
album: 01 Ngoại Lệ (WM Remix)
album: Trạm Dừng Chân
album: Trạm Dừng Chân (Deep House)
album: Trạm Dừng Chân (Lofi Ver. 2)
album: Trạm Dừng Chân (Lofi Ver.)
album: Trạm Dừng Chân (WM Remix)
album: Trạm Dừng Chân (SS x AM Remix)
album: Vực Thẳm Của Bình Yên
album: Vực Thẳm Của Bình Yên (AM Remix)
album: Trạm Dừng Chân (Beat Slow Chill Ver.)
album: Trạm Dừng Chân (Slow Chill Ver.)
album: Trạm Dừng Chân (Lofi Version)
album: Trạm Dừng Chân (Beat Lofi Version)
album: 01 Ngoại Lệ (TanKha Lofi)
album: 01 Ngoại Lệ (TanKha Lofi Beat)
album: Jack - J97 (HITStory Season 3 Live Session)

Ngôi Sao Cô Đơn
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 149.976
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.557
additional property: Energy
  type: PropertyValue
  value: 0.887
additional property: Speechiness
  type: PropertyValue
  value: 0.069
additional property: Acousticness
  type: PropertyValue
  value: 0.002
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.405
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.366
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.635
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Minor

Ngôi Sao Cô Đơn (Lo-fi Ver.)
type: MusicAlbum
date published: 2022-07-28

Ngôi Sao Cô Đơn (Lo-fi Ver.)
type: MusicAlbum
date published: 2022-07-30

Cuối Cùng Thì
type: MusicAlbum
date published: 2023-01-11

Trịnh Gia
type: MusicAlbum
date published: 2023-01-15

Là 1 Thằng Con Trai
type: MusicAlbum
date published: 2023-01-19

LayLaLay
type: MusicAlbum
date published: 2023-01-19

Đom Đóm
type: MusicAlbum
date published: 2023-01-19

A Brilliant Journey (L1TCT Funky Rap Version)
type: MusicAlbum
date published: 2023-01-19
track: A Brilliant Journey (L1TCT Funky Rap Version)
  type: MusicRecording
  duration: PT5M23S
  duration ms: 323740
  explicit: false
  by artist: Jack - J97
  in album: A Brilliant Journey (L1TCT Funky Rap Version)
    type: MusicAlbum
    date published: 2023-01-19
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0F2311997
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T19:33:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b585290d964ed7e09745b3d6267a3a16f238757f3bc4119eb8aff80c551b0ec
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2311997
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b585290d964ed7e09745b3d6267a3a16f238757f3bc4119eb8aff80c551b0ec. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2311997 — a six-check JSON result.
    date published: 2026-07-02T16:51:38Z
  audio: A Brilliant Journey (L1TCT Funky Rap Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.899
    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: 0.478
    additional property: Energy
      type: PropertyValue
      value: 0.832
    additional property: Speechiness
      type: PropertyValue
      value: 0.149
    additional property: Acousticness
      type: PropertyValue
      value: 0.418
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.53
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.197
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Hoa Hải Đường
type: MusicAlbum
date published: 2023-01-19
track: Hoa Hải Đường
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229589
  explicit: false
  by artist: Jack - J97
  in album: Hoa Hải Đường
    type: MusicAlbum
    date published: 2023-01-19
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0F2312021
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T05:12:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6b67cf46cb7667f06c1e996249b9a0c8a3ba27f317a850f1657d38db60d618b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959105
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959105
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2312021
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T06:33:30Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b67cf46cb7667f06c1e996249b9a0c8a3ba27f317a850f1657d38db60d618b. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T06:33:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2312021 — a six-check JSON result.
    date published: 2026-07-22T06:33:30Z
  audio: Hoa Hải Đường
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 91.957
    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: 0.533
    additional property: Energy
      type: PropertyValue
      value: 0.501
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.044
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.366
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.218
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.621
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Cuối cùng thì (Remix)
type: MusicAlbum
date published: 2023-03-17

Xóa Tên Anh Đi
type: MusicAlbum
date published: 2023-08-10

Xóa Tên Anh Đi
type: MusicAlbum
date published: 2023-08-10
track: Xóa Tên Anh Đi
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192000
  explicit: false
  by artist: Jack - J97
  in album: Xóa Tên Anh Đi
    type: MusicAlbum
    date published: 2023-08-10
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: DGA072362716
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T20:02:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcbb89d908fe228eab711a6af2d7f43d623a5211fc2a4a08bdc44068818c5f4b9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958324
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958324
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA072362716
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T21:05:52Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb89d908fe228eab711a6af2d7f43d623a5211fc2a4a08bdc44068818c5f4b9. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA072362716 — a six-check JSON result.
    date published: 2026-07-16T21:05:52Z
  audio: Xóa Tên Anh Đi
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
      value: 0.698
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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Từ Nơi Tôi Sinh Ra
type: MusicAlbum
date published: 2023-08-31

Xóa Tên Anh Đi
type: MusicAlbum
date published: 2023-10-08

Chúng Ta Rồi Sẽ Hạnh Phúc (Hướng Dương Ngược Nắng)
type: MusicAlbum
date published: 2023-12-12

Thiên Lý Ơi
type: MusicAlbum
date published: 2024-02-22

Thiên Lý Ơi
type: MusicAlbum
date published: 2024-03-01

Thiên Lý Ơi (Lofi)
type: MusicAlbum
date published: 2024-03-11

Thiên Lý Ơi (Remix)
type: MusicAlbum
date published: 2024-03-15
track: Thiên Lý Ơi (Remix)
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174780
  explicit: false
  by artist: Jack - J97
  in album: Thiên Lý Ơi (Remix)
    type: MusicAlbum
    date published: 2024-03-15
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0F2323093
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/958742
  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2323093
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T14:09:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34edd1011f2a2c6fbfdead920280f2f8c9bb46137c07caa31fe14b9af6e68f32. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2323093 — a six-check JSON result.
    date published: 2026-07-19T14:09:34Z
  audio: Thiên Lý Ơi (Remix)
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.274
    additional property: Valence (Positivity)
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      value: 0.69
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.145
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Thiên Lý Ơi (Vinahouse)
type: MusicAlbum
date published: 2024-04-02
track: Thiên Lý Ơi (Vinahouse)
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160112
  explicit: false
  by artist: Jack - J97
  in album: Thiên Lý Ơi (Vinahouse)
    type: MusicAlbum
    date published: 2024-04-02
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0F2324529
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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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/VNA0F2324529
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T18:40:26Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a2e1142a9a11823ee4054f0c40e77d736394f69856f5ff5edaf55a646e3ec3. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2324529 — a six-check JSON result.
    date published: 2026-07-21T18:40:26Z
  audio: Thiên Lý Ơi (Vinahouse)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.746
    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
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.033
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.783
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.711
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Chúng Ta Rồi Sẽ Hạnh Phúc (Lofi)
type: MusicAlbum
date published: 2024-09-16

Dưới Tán Cây Khô Hoa Nở
type: MusicAlbum
date published: 2024-12-10

Thiên Lý Ơi - Qtrung Remix
type: MusicAlbum
date published: 2025-01-17
track: Thiên Lý Ơi - Qtrung Remix
  type: MusicRecording
  duration: PT6M46S
  duration ms: 406294
  explicit: false
  by artist: Jack - J97
  in album: Thiên Lý Ơi - Qtrung Remix
    type: MusicAlbum
    date published: 2025-01-17
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0F2408801
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T13:10:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x14939b4dd1b93675bbabf9954652155452d1f0b550c69c5cde9d2e7428426fbb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958742
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958742
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2408801
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T14:09:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14939b4dd1b93675bbabf9954652155452d1f0b550c69c5cde9d2e7428426fbb. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2408801 — a six-check JSON result.
    date published: 2026-07-19T14:09:34Z
  audio: Thiên Lý Ơi - Qtrung Remix
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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      value: 0.962
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.506
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
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01 Ngoại Lệ
type: MusicAlbum
date published: 2025-05-03

01 Ngoại Lệ
type: MusicAlbum
date published: 2025-05-03

01 Ngoại Lệ (DJ AM Remix)
type: MusicAlbum
date published: 2025-05-15

01 Ngoại Lệ (WM Remix)
type: MusicAlbum
date published: 2025-05-15

Trạm Dừng Chân
type: MusicAlbum
date published: 2025-06-05

Trạm Dừng Chân
type: MusicAlbum
date published: 2025-06-05

Trạm Dừng Chân (Deep House)
type: MusicAlbum
date published: 2025-06-18
track: Trạm Dừng Chân - Deep House
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258181
  explicit: false
  by artist: Jack - J97
  in album: Trạm Dừng Chân (Deep House)
    type: MusicAlbum
    date published: 2025-06-18
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: US38Y2551380
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd25c8d0e4531e5f8e4d91eaaf7a00c18f07d1de981664e519514fe5bbefcfeac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2551380
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T01:18:30Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd25c8d0e4531e5f8e4d91eaaf7a00c18f07d1de981664e519514fe5bbefcfeac. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2551380 — a six-check JSON result.
    date published: 2026-07-19T01:18:30Z
  audio: Trạm Dừng Chân - Deep House
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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Trạm Dừng Chân (Lofi Ver. 2)
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date published: 2025-06-18
track: Trạm Dừng Chân - Lofi Ver. 2
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213796
  explicit: false
  by artist: Jack - J97
  in album: Trạm Dừng Chân (Lofi Ver. 2)
    type: MusicAlbum
    date published: 2025-06-18
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: US38Y2551384
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T17:50:32+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xe8e86fda09193fc3ebf24d44d55938cc04548260a8a4eb6d266dceddb85f78ee
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958594
  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T18:05:01Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8e86fda09193fc3ebf24d44d55938cc04548260a8a4eb6d266dceddb85f78ee. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2551384 — a six-check JSON result.
    date published: 2026-07-18T18:05:01Z
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    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.267
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.349
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Trạm Dừng Chân (Lofi Ver.)
type: MusicAlbum
date published: 2025-06-18

Trạm Dừng Chân (WM Remix)
type: MusicAlbum
date published: 2025-06-18

Trạm Dừng Chân (SS x AM Remix)
type: MusicAlbum
date published: 2025-06-24

Vực Thẳm Của Bình Yên
type: MusicAlbum
date published: 2025-06-26

Vực Thẳm Của Bình Yên
type: MusicAlbum
date published: 2025-06-26

Vực Thẳm Của Bình Yên (AM Remix)
type: MusicAlbum
date published: 2025-06-30

Trạm Dừng Chân (Beat Slow Chill Ver.)
type: MusicAlbum
date published: 2025-07-20

Trạm Dừng Chân (Slow Chill Ver.)
type: MusicAlbum
date published: 2025-07-20

Trạm Dừng Chân (Lofi Version)
type: MusicAlbum
date published: 2025-07-25
track: Trạm Dừng Chân - Lofi Version
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208500
  explicit: false
  by artist: Jack - J97
  in album: Trạm Dừng Chân (Lofi Version)
    type: MusicAlbum
    date published: 2025-07-25
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: US38Y2564791
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T08:31:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb6479098a4733ab7fe53fad0e6b6919586a1e1d4009466fc69177b346a10632a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2564791
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6479098a4733ab7fe53fad0e6b6919586a1e1d4009466fc69177b346a10632a. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2564791 — a six-check JSON result.
    date published: 2026-07-04T10:04:33Z
  audio: Trạm Dừng Chân - Lofi Version
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    additional property: Tempo (BPM)
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      value: 80.009
    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
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    additional property: Danceability
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      value: 0.781
    additional property: Energy
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      value: 0.577
    additional property: Speechiness
      type: PropertyValue
      value: 0.082
    additional property: Acousticness
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    additional property: Instrumentalness
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      value: 0
    additional property: Liveness
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      value: 0.272
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.439
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.136
    additional property: Key Name
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      value: F
    additional property: Mode Name
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      value: Minor

Trạm Dừng Chân (Beat Lofi Version)
type: MusicAlbum
date published: 2025-07-25
track: Trạm Dừng Chân - Beat Lofi Version
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208500
  explicit: false
  by artist: Jack - J97
  in album: Trạm Dừng Chân (Beat Lofi Version)
    type: MusicAlbum
    date published: 2025-07-25
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: US38Y2564792
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:56:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9d2a29bcf9c1cd160059eb409c8cff45f36f8be646da71877d89a1b5b35c7b93
  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/US38Y2564792
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d2a29bcf9c1cd160059eb409c8cff45f36f8be646da71877d89a1b5b35c7b93. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2564792 — a six-check JSON result.
    date published: 2026-07-17T08:20:01Z
  audio: Trạm Dừng Chân - Beat Lofi Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.004
    additional property: Musical Key
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      value: 5
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.727
    additional property: Energy
      type: PropertyValue
      value: 0.285
    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
      value: 0.781
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.622
    additional property: Liveness
      type: PropertyValue
      value: 0.364
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.235
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.839
    additional property: Key Name
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    additional property: Mode Name
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01 Ngoại Lệ (TanKha Lofi)
type: MusicAlbum
date published: 2025-08-14
track: 01 Ngoại Lệ - TanKha Lofi
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187340
  explicit: false
  by artist: Jack - J97
  in album: 01 Ngoại Lệ (TanKha Lofi)
    type: MusicAlbum
    date published: 2025-08-14
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: US38Y2573063
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-18T09:26:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb43979bd9af354a68e863bf9db0b50a0c0132ba19f6e1379b325a4d63611aaa6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958531
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958531
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2573063
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T09:39:18Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb43979bd9af354a68e863bf9db0b50a0c0132ba19f6e1379b325a4d63611aaa6. Chain 2 (Bitcoin): anchored in block 958531 (2026-07-18T09:39:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2573063 — a six-check JSON result.
    date published: 2026-07-18T09:39:18Z
  audio: 01 Ngoại Lệ - TanKha Lofi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.163
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.483
    additional property: Energy
      type: PropertyValue
      value: 0.515
    additional property: Speechiness
      type: PropertyValue
      value: 0.25
    additional property: Acousticness
      type: PropertyValue
      value: 0.192
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.157
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.453
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.411
    additional property: Key Name
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      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

01 Ngoại Lệ (TanKha Lofi Beat)
type: MusicAlbum
date published: 2025-08-14
track: 01 Ngoại Lệ - TanKha Lofi Beat
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186998
  explicit: false
  by artist: Jack - J97
  in album: 01 Ngoại Lệ (TanKha Lofi Beat)
    type: MusicAlbum
    date published: 2025-08-14
  genre: vietnamese lo-fi
  genre: vinahouse
  genre: v-pop
  isrc code: US38Y2573064
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:38:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01f90b618b41791c9a309a9db6e4fe66d30e423aebc6b0d3b80d5d5740eb1be4
  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/US38Y2573064
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f90b618b41791c9a309a9db6e4fe66d30e423aebc6b0d3b80d5d5740eb1be4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2573064 — a six-check JSON result.
    date published: 2026-07-17T08:20:01Z
  audio: 01 Ngoại Lệ - TanKha Lofi Beat
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 85.88
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
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      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.592
    additional property: Energy
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      value: 0.266
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.834
    additional property: Liveness
      type: PropertyValue
      value: 0.281
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.282
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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Jack - J97 (HITStory Season 3 Live Session)
type: MusicAlbum
date published: 2025-11-05