Phi Thanh
type: MusicGroup
genre: bolero
genre: vietnamese bolero
popularity: 23
followers: 1074
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2603b9a62d4dab34de6b3b11a4329aad9bc288d8f01995f45ad3ddc20009e0eb
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/4e8dfcef-3060-4fc8-89fb-bdaff51d0eaa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4e8dfcef-3060-4fc8-89fb-bdaff51d0eaa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4e8dfcef-3060-4fc8-89fb-bdaff51d0eaa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2603b9a62d4dab34de6b3b11a4329aad9bc288d8f01995f45ad3ddc20009e0eb","name":"Phi Thanh","registered_at":"2026-06-11T19:30:55Z","symbol":"NIM0100848","token_address":"0xb9431967e6d09a6fc621f8e04e4cd7f392a428d5","type":"artist","uuid":"4e8dfcef-3060-4fc8-89fb-bdaff51d0eaa"}
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 0x2603b9a62d4dab34de6b3b11a4329aad9bc288d8f01995f45ad3ddc20009e0eb. 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/4e8dfcef-3060-4fc8-89fb-bdaff51d0eaa.json and https://artists.proofprofile.net/proofs/artist/4e8dfcef-3060-4fc8-89fb-bdaff51d0eaa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x2603b9a62d4dab34de6b3b11a4329aad9bc288d8f01995f45ad3ddc20009e0eb","name":"Phi Thanh","registered_at":"2026-06-11T19:30:55Z","symbol":"NIM0100848","token_address":"0xb9431967e6d09a6fc621f8e04e4cd7f392a428d5","type":"artist","uuid":"4e8dfcef-3060-4fc8-89fb-bdaff51d0eaa"}
album: Những Lời Này Cho Anh
  type: MusicAlbum
  date published: 2023-04-21
  track: Những Lời Này Cho Anh
    type: MusicRecording
    duration: PT3M48S
    duration ms: 228351
    explicit: false
    by artist: Phi Thanh
    in album: Những Lời Này Cho Anh
      type: MusicAlbum
      date published: 2023-04-21
    genre: bolero
    genre: vietnamese bolero
    isrc code: VNA0F2306771
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T11:47:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x314a59e5fcc0d770fd7331ef6d0869aff259b680e4acc4f270143f6e831823eb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958547
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958547
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2306771
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T12:44:05Z
    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 0x314a59e5fcc0d770fd7331ef6d0869aff259b680e4acc4f270143f6e831823eb. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/VNA0F2306771.
      date published: 2026-07-18T12:44:05Z
    audio: Những Lời Này Cho Anh
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 155.992
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.709
      additional property: Energy
        type: PropertyValue
        value: 0.543
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.418
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.074
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.554
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.226
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Những Đồi Hoa Sim
    type: MusicRecording
    duration: PT7M1S
    duration ms: 421205
    explicit: false
    by artist: Phi Thanh
    in album: Những Lời Này Cho Anh
      type: MusicAlbum
      date published: 2023-04-21
    genre: bolero
    genre: vietnamese bolero
    isrc code: VNA0F2306747
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T17:17:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2d3712c75178d6c81f8351fca85d170cc12c2580cf00999d3fcf15ae1c28f61b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958761
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958761
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2306747
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T20:20:49Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d3712c75178d6c81f8351fca85d170cc12c2580cf00999d3fcf15ae1c28f61b. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:20:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2306747.
      date published: 2026-07-19T20:20:49Z
    audio: Những Đồi Hoa Sim
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 77.026
      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: 0.618
      additional property: Energy
        type: PropertyValue
        value: 0.644
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.1
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.178
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Hình Bóng Quê Nhà
album: Xin Anh Giữ Trọn Tình Quê
album: Đưa Em Vào Hạ
album: Khóc Thầm
album: Nhạc Lính Xưa
album: Chiếc Áo Bà Ba
album: Nhạc Lính Hay Nhất
album: Xin Em Đừng Khóc Vu Quy
album: Nếu Ai Có Hỏi
album: Nét Buồn Thời Chiến
album: Xa Vắng
album: Cho Người Vào Cuộc Chiến
album: Tìm Lại Người Xưa
album: Bao Giờ Em Quên
album: Khu Phố Ngày Xưa
album: Đêm Trên Đỉnh Sầu
album: Xin Trả Lại Anh
album: Con Đường Buồn Riêng Anh

Valence (Positivity)
type: PropertyValue
value: 0.144

Loudness (dB)
type: PropertyValue
value: -6.097

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Hình Bóng Quê Nhà
type: MusicRecording
duration: PT5M10S
duration ms: 310933
explicit: false
by artist: Phi Thanh
in album: Những Lời Này Cho Anh
  type: MusicAlbum
  date published: 2023-04-21
genre: bolero
genre: vietnamese bolero
isrc code: VNA0F2306756
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T00:23:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f73013224104b1daad43cc460cdd36c4f2fa12c5b5456aae79129b3c2179402
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2306756
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 0x9f73013224104b1daad43cc460cdd36c4f2fa12c5b5456aae79129b3c2179402. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/VNA0F2306756.
  date published: 2026-07-06T01:25:57Z
audio: Hình Bóng Quê Nhà
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.893
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.674
  additional property: Energy
    type: PropertyValue
    value: 0.76
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.424
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.639
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.07
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Xin Anh Giữ Trọn Tình Quê
type: MusicAlbum
date published: 2023-04-21

Đưa Em Vào Hạ
type: MusicAlbum
date published: 2023-04-21

Khóc Thầm
type: MusicAlbum
date published: 2023-07-08
track: Lính Xa Nhà
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265701
  explicit: false
  by artist: Phi Thanh
  in album: Khóc Thầm
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302248
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T19:24:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5439914691af5a5ba929254587a61fc04984863f84b0e5e0fe45beb6de2d764c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958931
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958931
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302248
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:15:01Z
  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 0x5439914691af5a5ba929254587a61fc04984863f84b0e5e0fe45beb6de2d764c. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/VNA0F2302248.
    date published: 2026-07-20T21:15:01Z
  audio: Lính Xa Nhà
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 155.909
    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: 0.519
    additional property: Energy
      type: PropertyValue
      value: 0.538
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.36
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.316
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.214
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.466
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Nếu Hai Đứa Mình
  type: MusicRecording
  duration: PT5M54S
  duration ms: 354602
  explicit: false
  by artist: Phi Thanh
  in album: Khóc Thầm
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302250
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T04:58:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x629221c38738f73d31fbd463e16c6248a6fb740a7a95ec8ca4caac61d303808f
  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/VNA0F2302250
  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 0x629221c38738f73d31fbd463e16c6248a6fb740a7a95ec8ca4caac61d303808f. 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/VNA0F2302250.
    date published: 2026-07-06T07:53:57Z
  audio: Nếu Hai Đứa Mình
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 165.867
    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: 0.545
    additional property: Energy
      type: PropertyValue
      value: 0.493
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.585
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.376
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.268
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Nhạc Lính Xưa
type: MusicAlbum
date published: 2023-07-08
track: Trộm Nhìn Nhau
  type: MusicRecording
  duration: PT5M16S
  duration ms: 316160
  explicit: false
  by artist: Phi Thanh
  in album: Nhạc Lính Xưa
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302260
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T14:43:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x16fcc73791f9d23091171ecf88523a83a1b0767222a1f80bfb6e96af964264d5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302260
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fcc73791f9d23091171ecf88523a83a1b0767222a1f80bfb6e96af964264d5. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302260.
    date published: 2026-07-05T01:12:41Z
  audio: Trộm Nhìn Nhau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 155.844
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.595
    additional property: Energy
      type: PropertyValue
      value: 0.431
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.159
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.06
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.301
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.974
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Chiếc Áo Bà Ba
type: MusicAlbum
date published: 2023-07-08
track: Chiếc Áo Bà Ba
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322751
  explicit: false
  by artist: Phi Thanh
  in album: Chiếc Áo Bà Ba
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302225
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T22:12:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x79c03bb57b2b5b8038ee8c86992f81811ae4fbc5c0f67184922cf49bc90ac189
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302225
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79c03bb57b2b5b8038ee8c86992f81811ae4fbc5c0f67184922cf49bc90ac189. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302225.
    date published: 2026-07-04T11:19:20Z
  audio: Chiếc Áo Bà Ba
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 79.961
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.693
    additional property: Energy
      type: PropertyValue
      value: 0.442
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.519
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.125
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.348
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.296
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Đường Về Hai Thôn
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270080
  explicit: false
  by artist: Phi Thanh
  in album: Chiếc Áo Bà Ba
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302230
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T17:07:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xca5982912c7131af359740dcaf46f2f8b38a6252177d273965497ad9b50caf48
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958448
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958448
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302230
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:49:21Z
  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 0xca5982912c7131af359740dcaf46f2f8b38a6252177d273965497ad9b50caf48. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/VNA0F2302230.
    date published: 2026-07-17T19:49:21Z
  audio: Đường Về Hai Thôn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.037
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.742
    additional property: Energy
      type: PropertyValue
      value: 0.476
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.589
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.191
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.543
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.351
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Nhạc Lính Hay Nhất
type: MusicAlbum
date published: 2023-07-08
track: Để Trả Lời Một Câu Hỏi
  type: MusicRecording
  duration: PT5M28S
  duration ms: 328095
  explicit: false
  by artist: Phi Thanh
  in album: Nhạc Lính Hay Nhất
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302239
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T04:44:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9c2e72bacdafce3f149409662da12db220ebeeb4edabb84e7448990f564d0c61
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958245
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958245
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302239
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T07:46:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2e72bacdafce3f149409662da12db220ebeeb4edabb84e7448990f564d0c61. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:46:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302239.
    date published: 2026-07-16T07:46:28Z
  audio: Để Trả Lời Một Câu Hỏi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 79.985
    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: 0.671
    additional property: Energy
      type: PropertyValue
      value: 0.548
    additional property: Speechiness
      type: PropertyValue
      value: 0.025
    additional property: Acousticness
      type: PropertyValue
      value: 0.101
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.256
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.033
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Chuyện Tình Hoa Trắng
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314469
  explicit: false
  by artist: Phi Thanh
  in album: Nhạc Lính Hay Nhất
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302240
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T06:20:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xed4416a83095b360aacd364b846352902c9d1260f3d6c500509d7402d9a2229a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958686
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958686
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302240
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T06:43:29Z
  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 0xed4416a83095b360aacd364b846352902c9d1260f3d6c500509d7402d9a2229a. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/VNA0F2302240.
    date published: 2026-07-19T06:43:29Z
  audio: Chuyện Tình Hoa Trắng
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 75.946
    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: 0.627
    additional property: Energy
      type: PropertyValue
      value: 0.578
    additional property: Speechiness
      type: PropertyValue
      value: 0.025
    additional property: Acousticness
      type: PropertyValue
      value: 0.476
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.536
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.31
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.706
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Cúc Tàn Vì Ai
  type: MusicRecording
  duration: PT5M17S
  duration ms: 317866
  explicit: false
  by artist: Phi Thanh
  in album: Nhạc Lính Hay Nhất
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302242
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T08:42:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x37ed5249fa14306eaba2b4980c8f48f3521f412b080bae54163a1c6b573ca392
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956656
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Cúc Tàn Vì Ai
track: Sao Không Thấy Anh Về

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956656

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302242

OTSTimestamp
type: PropertyValue
value: 2026-07-04T14:03:39Z

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 0x37ed5249fa14306eaba2b4980c8f48f3521f412b080bae54163a1c6b573ca392. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/VNA0F2302242.
date published: 2026-07-04T14:03:39Z

Cúc Tàn Vì Ai
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 163.726
additional property: Musical Key
  type: PropertyValue
  value: 3
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.418
additional property: Energy
  type: PropertyValue
  value: 0.522
additional property: Speechiness
  type: PropertyValue
  value: 0.035
additional property: Acousticness
  type: PropertyValue
  value: 0.472
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.247
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.242
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.598
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Minor

Sao Không Thấy Anh Về
type: MusicRecording
duration: PT4M17S
duration ms: 257989
explicit: false
by artist: Phi Thanh
in album: Nhạc Lính Hay Nhất
  type: MusicAlbum
  date published: 2023-07-08
genre: bolero
genre: vietnamese bolero
isrc code: VNA0F2302243
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T22:20:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2194845745dafc23b0921e558e2abccdee8d4c5293c865b749a32e33559f0eae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958335
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958335
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302243
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T22:37:47Z
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 0x2194845745dafc23b0921e558e2abccdee8d4c5293c865b749a32e33559f0eae. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/VNA0F2302243.
  date published: 2026-07-16T22:37:47Z
audio: Sao Không Thấy Anh Về
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.977
  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: 0.644
  additional property: Energy
    type: PropertyValue
    value: 0.509
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.385
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.366
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.411
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.422
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Xin Em Đừng Khóc Vu Quy
type: MusicAlbum
date published: 2023-07-08
track: Xin Em Đừng Khóc Vu Quy
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294783
  explicit: false
  by artist: Phi Thanh
  in album: Xin Em Đừng Khóc Vu Quy
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302269
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T14:41:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x962ee405dd78f6aa684d23bc1c5c678b06000efa5d48be84c185a0c1fc87873c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302269
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x962ee405dd78f6aa684d23bc1c5c678b06000efa5d48be84c185a0c1fc87873c. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302269.
    date published: 2026-07-16T16:14:30Z
  audio: Xin Em Đừng Khóc Vu Quy
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 74.022
    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: 0.725
    additional property: Energy
      type: PropertyValue
      value: 0.563
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.235
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.346
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.343
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.918
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Chỉ Có Bạn Bè Thôi
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289109
  explicit: false
  by artist: Phi Thanh
  in album: Xin Em Đừng Khóc Vu Quy
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302270
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T18:35:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x505b885112b9dce12ea90babd0e372cc4cb64005fd1732a68f7179386597d525
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302270
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505b885112b9dce12ea90babd0e372cc4cb64005fd1732a68f7179386597d525. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302270.
    date published: 2026-07-17T19:12:23Z
  audio: Chỉ Có Bạn Bè Thôi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 161.784
    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: 0.613
    additional property: Energy
      type: PropertyValue
      value: 0.587
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.58
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.297
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.313
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.57
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Qua Ngõ Nhà Em
  type: MusicRecording
  duration: PT6M0S
  duration ms: 360703
  explicit: false
  by artist: Phi Thanh
  in album: Xin Em Đừng Khóc Vu Quy
    type: MusicAlbum
    date published: 2023-07-08
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2302271
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T22:21:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb9109bbf00e4886275de27c5936087c4abbc9b471794bb818b24c36a050e696b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Qua Ngõ Nhà Em
track: Tấm Ảnh Không Hồn
track: Ăn Năn
track: Mưa Đêm Ngoại Ô
track: Mùa Mưa Đi Qua
track: Ngày Sau Sẽ Ra Sao

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956738

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302271

OTSTimestamp
type: PropertyValue
value: 2026-07-05T04:47:21Z

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 0xb9109bbf00e4886275de27c5936087c4abbc9b471794bb818b24c36a050e696b. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/VNA0F2302271.
date published: 2026-07-05T04:47:21Z

Qua Ngõ Nhà Em
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 87.995
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: 0.717
additional property: Energy
  type: PropertyValue
  value: 0.441
additional property: Speechiness
  type: PropertyValue
  value: 0.025
additional property: Acousticness
  type: PropertyValue
  value: 0.287
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.087
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.522
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.239
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Minor

Tấm Ảnh Không Hồn
type: MusicRecording
duration: PT3M59S
duration ms: 239664
explicit: false
by artist: Phi Thanh
in album: Xin Em Đừng Khóc Vu Quy
  type: MusicAlbum
  date published: 2023-07-08
genre: bolero
genre: vietnamese bolero
isrc code: VNA0F2302272
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T21:55:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7deb2d92ad46cebea4560d3ed0caeb1a8b3bfde19ae7745581065be5a7c017a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302272
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:26:17Z
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 0x7deb2d92ad46cebea4560d3ed0caeb1a8b3bfde19ae7745581065be5a7c017a8. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/VNA0F2302272.
  date published: 2026-07-06T01:26:17Z
audio: Tấm Ảnh Không Hồn
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 79.923
  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: 0.576
  additional property: Energy
    type: PropertyValue
    value: 0.493
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.183
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.344
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.536
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ăn Năn
type: MusicRecording
duration: PT6M2S
duration ms: 362986
explicit: false
by artist: Phi Thanh
in album: Xin Em Đừng Khóc Vu Quy
  type: MusicAlbum
  date published: 2023-07-08
genre: bolero
genre: vietnamese bolero
isrc code: VNA0F2302273
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T22:04:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c41c4722f52d91c685ff06f683c5c691ff3dd29a8bd2125719f297f421ebede
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958943
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958943
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T00:27:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c41c4722f52d91c685ff06f683c5c691ff3dd29a8bd2125719f297f421ebede. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302273.
  date published: 2026-07-21T00:27:37Z
audio: Ăn Năn
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.599
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.608
  additional property: Energy
    type: PropertyValue
    value: 0.538
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.669
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.378
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.335
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.918
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mưa Đêm Ngoại Ô
type: MusicRecording
duration: PT5M18S
duration ms: 318410
explicit: false
by artist: Phi Thanh
in album: Xin Em Đừng Khóc Vu Quy
  type: MusicAlbum
  date published: 2023-07-08
genre: bolero
genre: vietnamese bolero
isrc code: VNA0F2302252
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T01:21:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcca9ddda9c644bdb37132f72deb4cc3327650ec46ca764b31da249f55a8fa00c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958480
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958480
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302252
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T02:58:58Z
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 0xcca9ddda9c644bdb37132f72deb4cc3327650ec46ca764b31da249f55a8fa00c. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/VNA0F2302252.
  date published: 2026-07-18T02:58:58Z
audio: Mưa Đêm Ngoại Ô
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.087
  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: 0.511
  additional property: Energy
    type: PropertyValue
    value: 0.561
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.311
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.588
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.246
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.342
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mùa Mưa Đi Qua
type: MusicRecording
duration: PT4M1S
duration ms: 241760
explicit: false
by artist: Phi Thanh
in album: Xin Em Đừng Khóc Vu Quy
  type: MusicAlbum
  date published: 2023-07-08
genre: bolero
genre: vietnamese bolero
isrc code: VNA0F2302253
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T23:33:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x926664691bef6f03b08bfedf05913eb5d905ef9814c6d842afbf6fd22e4be0df
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958796
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958796
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302253
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T02:36:03Z
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 0x926664691bef6f03b08bfedf05913eb5d905ef9814c6d842afbf6fd22e4be0df. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:36:03Z), 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/VNA0F2302253.
  date published: 2026-07-20T02:36:03Z
audio: Mùa Mưa Đi Qua
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 73.966
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  additional property: Energy
    type: PropertyValue
    value: 0.515
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.637
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.322
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.533
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.876
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ngày Sau Sẽ Ra Sao
type: MusicRecording
duration: PT5M56S
duration ms: 356448
explicit: false
by artist: Phi Thanh
in album: Xin Em Đừng Khóc Vu Quy
  type: MusicAlbum
  date published: 2023-07-08
genre: bolero
genre: vietnamese bolero
isrc code: VNA0F2302254
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T21:33:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf87108d9eeaff91fb5397d1401f9398629972ebde6462e203d07acf5ca748d15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958788
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958788
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2302254
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T22:07:06Z
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 0xf87108d9eeaff91fb5397d1401f9398629972ebde6462e203d07acf5ca748d15. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/VNA0F2302254.
  date published: 2026-07-19T22:07:06Z
audio: Ngày Sau Sẽ Ra Sao
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.823
  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: 0.551
  additional property: Energy
    type: PropertyValue
    value: 0.576
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.082
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.057
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.367
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.814
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Nếu Ai Có Hỏi
type: MusicAlbum
date published: 2023-10-30

Nét Buồn Thời Chiến
type: MusicAlbum
date published: 2023-10-30

Xa Vắng
type: MusicAlbum
date published: 2023-10-30

Cho Người Vào Cuộc Chiến
type: MusicAlbum
date published: 2024-06-20

Tìm Lại Người Xưa
type: MusicAlbum
date published: 2024-06-20

Bao Giờ Em Quên
type: MusicAlbum
date published: 2024-06-20
track: Biển Dâu
  type: MusicRecording
  duration: PT5M16S
  duration ms: 316061
  explicit: false
  by artist: Phi Thanh
  in album: Bao Giờ Em Quên
    type: MusicAlbum
    date published: 2024-06-20
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2327141
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T19:28:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde06c1f7191fef7a0bb144eaf0f21c53616451921bbcbfc1356e31e8c6ccbeba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958931
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958931
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2327141
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:15:01Z
  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 0xde06c1f7191fef7a0bb144eaf0f21c53616451921bbcbfc1356e31e8c6ccbeba. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/VNA0F2327141.
    date published: 2026-07-20T21:15:01Z
  audio: Biển Dâu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.451
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.662
    additional property: Energy
      type: PropertyValue
      value: 0.384
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.545
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.205
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.253
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Khu Phố Ngày Xưa
type: MusicAlbum
date published: 2024-06-20

Đêm Trên Đỉnh Sầu
type: MusicAlbum
date published: 2025-05-07

Xin Trả Lại Anh
type: MusicAlbum
date published: 2025-05-07
track: Tựa Cánh Bèo Trôi
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306885
  explicit: false
  by artist: Phi Thanh
  in album: Xin Trả Lại Anh
    type: MusicAlbum
    date published: 2025-05-07
  genre: bolero
  genre: vietnamese bolero
  isrc code: VNA0F2500405
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T21:51:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01b99b28488805e8ef510c64890f6aac56b15ab77ffe3024e1b83478b4422fd6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2500405
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b99b28488805e8ef510c64890f6aac56b15ab77ffe3024e1b83478b4422fd6. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2500405.
    date published: 2026-07-05T01:12:41Z
  audio: Tựa Cánh Bèo Trôi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.026
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.803
    additional property: Energy
      type: PropertyValue
      value: 0.412
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.698
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.076
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.421
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.441
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Con Đường Buồn Riêng Anh
type: MusicAlbum
date published: 2025-05-12