Phi Nhung
type: MusicGroup
genre: bolero
genre: vietnamese bolero
genre: v-pop
description: Phạm Phi Nhung (10 April 1970 – 28 September 2021) was a Vietnamese-American singer, actress and humanitarian. She specialised in Dan Ca and Tru Tinh music. She sang for Paris By Night and Vân Sơn
popularity: 33
followers: 69907
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc84bbc253d8f79b07d21b05de8cdaf9bd20b07fbdef5f4dedf9e48cf69c162d4
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/b07aff64-7860-47be-a2f1-d512108d2d0c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b07aff64-7860-47be-a2f1-d512108d2d0c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b07aff64-7860-47be-a2f1-d512108d2d0c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc84bbc253d8f79b07d21b05de8cdaf9bd20b07fbdef5f4dedf9e48cf69c162d4. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b07aff64-7860-47be-a2f1-d512108d2d0c.json and https://artists.proofprofile.net/proofs/artist/b07aff64-7860-47be-a2f1-d512108d2d0c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: Chuyện tình ong bướm
  type: MusicAlbum
  date published: 1990-05-05
album: Tình cờ gặp nhau
  type: MusicAlbum
  date published: 1991-01-10
album: Kỷ niệm chúng mình
  type: MusicAlbum
  date published: 1995-01-01
album: Anh Hãy Về Đi
  type: MusicAlbum
  date published: 1995-01-01
album: Chỉ Còn Vần Thơ
  type: MusicAlbum
  date published: 1995-01-02
album: Tình Ca Quê Hương
  type: MusicAlbum
  date published: 1996-01-01
album: Bọt Mưa
  type: MusicAlbum
  date published: 1996-01-01
album: Tinh Ngan Doi Bo
  type: MusicAlbum
  date published: 1996-01-06
album: Tạ từ trong đêm
  type: MusicAlbum
  date published: 1996-04-01
album: Tình ca lính 4 (Tình anh lính chiến)
  type: MusicAlbum
  date published: 1996-04-01
album: Những Tình Khúc Dang Dở
  type: MusicAlbum
  date published: 1996-06-25
album: Thà Trắng Thà Đen
  type: MusicAlbum
  date published: 1996-06-25
album: Tình Ngăn Đôi Bờ
  type: MusicAlbum
  date published: 1996-06-25
album: Lặng Thầm
  type: MusicAlbum
  date published: 1996-06-25
album: Tình Ngăn Đôi Bờ
  type: MusicAlbum
  date published: 1996-06-25
album: Lặng Thầm
  type: MusicAlbum
  date published: 1996-06-25
album: Bao Giờ Em Quên
  type: MusicAlbum
  date published: 1996-06-25
album: Thà Trắng Thà Đen
  type: MusicAlbum
  date published: 1996-06-25
album: Tinh Ca Que Huong
  type: MusicAlbum
  date published: 1997
  track: Duyen Que
    type: MusicRecording
    duration: PT5M0S
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    by artist: Phi Nhung
    in album: Tinh Ca Que Huong
      type: MusicAlbum
      date published: 1997
    genre: bolero
    genre: vietnamese bolero
    genre: v-pop
    isrc code: USJ3V1173034
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T06:48:00Z
    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 0x32375bc2e89fd08278455a80f1ebe0f7cbc9820c2152ba961dd73c49ee2bd1e6. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/USJ3V1173034.
      date published: 2026-07-17T06:48:00Z
    audio: Duyen Que
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.042
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.658
      additional property: Energy
        type: PropertyValue
        value: 0.307
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.658
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.082
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.498
      additional property: Loudness (dB)
        type: PropertyValue
        value: -19.61
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
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album: Noi Lai Tinh Xua
  type: MusicAlbum
  date published: 1997
  track: Noi Lai Tinh Xua
    type: MusicRecording
    duration: PT4M57S
    duration ms: 297159
    explicit: false
    by artist: Phi Nhung
    in album: Noi Lai Tinh Xua
      type: MusicAlbum
      date published: 1997
    genre: bolero
    genre: vietnamese bolero
    genre: v-pop
    isrc code: USJ3V1173120
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Noi Lai Tinh Xua
  track: Noi Buon Hoa Phuong
album: Ly Chieu Chieu
album: Vuon Tao Ngo
album: Doi Nga Chia Ly
album: Tình Ca Quê Hương 2
album: Đò dọc
album: Nếu Anh Đừng Hẹn
album: Gợi Nhớ Quê Hương
album: Câu Chuyện Đầu Năm
album: Mưa Trên Phố Huế
album: Đoạn Cuối Tình Yêu
album: Vườn Tao Ngộ
album: Trường Cũ Tình Xưa
album: Lòng Mẹ
album: Lý Chiều Chiều
album: Chuyến Đò Hậu Giang
album: Con Gái Của Mẹ
album: Xin Đừng Trách Đa Đa
album: Đôi Ngả Chia Ly
album: Nối Lại Tình Xưa
album: Những Đồi Hoa Sim
album: Cay Đắng Bờ Môi
album: Bao Gio Em Quen
album: Long Me
album: Nhung Tinh Khuc Dang Do
album: Tinh Khuc Que Huong
album: The Best of Phi Nhung
album: Phi Nhung - Hoàng hôn màu tím
album: Chân Dung Kỷ Niệm
album: Giọt lệ tình
album: Tình Khúc Quê Hương
album: Lang Tham
album: Lý Con Sáo Bạc Liêu
album: Chim sáo ngày xưa
album: Biển Tuyết
album: Nét Buồn Thời Chiến
album: Căn Nhà Màu Tím
album: Đếm Giọt Sầu Rơi
album: Có lẽ
album: Tân cổ Đoàn Cuối Tình Yêu
album: Thân con gái kiếp con trai - Instrumental (Tình Đặc Biệt Karaoke MTV 07)
album: Năm 17 tuổi

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-03T16:36:05+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8f706d9cfa1819209a8acea32bcc8e9b0819660ae80d010170ada3fe4814b2f2

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956560

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956560

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJ3V1173120

OTSTimestamp
type: PropertyValue
value: 2026-07-03T23:28:02Z

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 0x8f706d9cfa1819209a8acea32bcc8e9b0819660ae80d010170ada3fe4814b2f2. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/USJ3V1173120.
date published: 2026-07-03T23:28:02Z

Noi Lai Tinh Xua
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 130.916
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: 0.644
additional property: Energy
  type: PropertyValue
  value: 0.303
additional property: Speechiness
  type: PropertyValue
  value: 0.031
additional property: Acousticness
  type: PropertyValue
  value: 0.775
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.148
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.638
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.141
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Minor

Noi Buon Hoa Phuong
type: MusicRecording
duration: PT4M52S
duration ms: 292211
explicit: false
by artist: Phi Nhung
in album: Noi Lai Tinh Xua
  type: MusicAlbum
  date published: 1997
genre: bolero
genre: vietnamese bolero
genre: v-pop
isrc code: USJ3V1173121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T06:43:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x82a2fd2d86871cfd6f56d93140c62a72eb6096a7f371bbdac20259c8ad962669
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
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/USJ3V1173121
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
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 0x82a2fd2d86871cfd6f56d93140c62a72eb6096a7f371bbdac20259c8ad962669. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJ3V1173121.
  date published: 2026-07-04T10:04:33Z
audio: Noi Buon Hoa Phuong
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  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: 0.68
  additional property: Energy
    type: PropertyValue
    value: 0.328
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.569
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.424
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ly Chieu Chieu
type: MusicAlbum
date published: 1997

Vuon Tao Ngo
type: MusicAlbum
date published: 1997

Doi Nga Chia Ly
type: MusicAlbum
date published: 1997

Tình Ca Quê Hương 2
type: MusicAlbum
date published: 1997-01-01

Đò dọc
type: MusicAlbum
date published: 1997-01-01

Nếu Anh Đừng Hẹn
type: MusicAlbum
date published: 1997-06-25

Gợi Nhớ Quê Hương
type: MusicAlbum
date published: 1997-06-25
track: Chiếc Áo Bà Ba
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  duration: PT4M18S
  duration ms: 258000
  explicit: false
  by artist: Phi Nhung
  in album: Gợi Nhớ Quê Hương
    type: MusicAlbum
    date published: 1997-06-25
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM9SX2204517
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:59:10+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xf6d99653b2c70f3e0a416d3c8b779a84dfff47c59a5c198e1879a44352624afc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958384
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958384
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9SX2204517
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T11:20:40Z
  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 0xf6d99653b2c70f3e0a416d3c8b779a84dfff47c59a5c198e1879a44352624afc. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T11:20:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9SX2204517.
    date published: 2026-07-17T11:20:40Z
  audio: Chiếc Áo Bà Ba
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 170.358
    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: 0.487
    additional property: Energy
      type: PropertyValue
      value: 0.399
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.579
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.099
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.506
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.772
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Câu Chuyện Đầu Năm
type: MusicAlbum
date published: 1997-06-25

Mưa Trên Phố Huế
type: MusicAlbum
date published: 1997-06-25

Đoạn Cuối Tình Yêu
type: MusicAlbum
date published: 1997-06-25

Tình Ca Quê Hương
type: MusicAlbum
date published: 1997-06-25

Vườn Tao Ngộ
type: MusicAlbum
date published: 1997-06-25

Trường Cũ Tình Xưa
type: MusicAlbum
date published: 1997-06-25

Lòng Mẹ
type: MusicAlbum
date published: 1997-06-25

Lý Chiều Chiều
type: MusicAlbum
date published: 1997-06-25

Chuyến Đò Hậu Giang
type: MusicAlbum
date published: 1997-06-25

Con Gái Của Mẹ
type: MusicAlbum
date published: 1997-06-25

Xin Đừng Trách Đa Đa
type: MusicAlbum
date published: 1997-06-25

Đôi Ngả Chia Ly
type: MusicAlbum
date published: 1997-06-25

Nối Lại Tình Xưa
type: MusicAlbum
date published: 1997-06-25

Tình Ca Quê Hương
type: MusicAlbum
date published: 1997-06-25

Những Đồi Hoa Sim
type: MusicAlbum
date published: 1997-06-25

Cay Đắng Bờ Môi
type: MusicAlbum
date published: 1997-06-25

Bao Gio Em Quen
type: MusicAlbum
date published: 1998

Long Me
type: MusicAlbum
date published: 1998

Nhung Tinh Khuc Dang Do
type: MusicAlbum
date published: 1998

Tinh Khuc Que Huong
type: MusicAlbum
date published: 1998

The Best of Phi Nhung
type: MusicAlbum
date published: 1998-01-01
track: Lý con sáo Bạc Liêu
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314840
  explicit: false
  by artist: Phi Nhung
  in album: The Best of Phi Nhung
    type: MusicAlbum
    date published: 1998-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0F1776464
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T20:31:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x890dd90294ed2efadb042ddb6e4e31a3158d4925eab6eba85f60f420af7f94bf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958779
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958779
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1776464
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T23:34:29Z
  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 0x890dd90294ed2efadb042ddb6e4e31a3158d4925eab6eba85f60f420af7f94bf. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:34:29Z), 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/VNA0F1776464.
    date published: 2026-07-19T23:34:29Z
  audio: Lý con sáo Bạc Liêu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.514
    additional property: Musical Key
      type: PropertyValue
      value: 1
    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: 0.407
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.538
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.076
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.348
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.481
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Dù anh nghèo
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285506
  explicit: false
  by artist: Phi Nhung
  in album: The Best of Phi Nhung
    type: MusicAlbum
    date published: 1998-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0F1776475
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T21:05:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8cf68bc62548b7f9cf4f4c535df9679c64eb26e06f3a38c735d0cc9fa6a1af8f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959061
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959061
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1776475
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T00:06:57Z
  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 0x8cf68bc62548b7f9cf4f4c535df9679c64eb26e06f3a38c735d0cc9fa6a1af8f. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:06:57Z), 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/VNA0F1776475.
    date published: 2026-07-22T00:06:57Z
  audio: Dù anh nghèo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.178
    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: 0.55
    additional property: Energy
      type: PropertyValue
      value: 0.477
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.745
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.173
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.27
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.075
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Căn nhà màu tím
  type: MusicRecording
  duration: PT8M34S
  duration ms: 514492
  explicit: false
  by artist: Phi Nhung
  in album: The Best of Phi Nhung
    type: MusicAlbum
    date published: 1998-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0F1776477
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T05:11:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x82101920e16f24adc3bd57215d28baa82b0d65fa28c64c7064b0817b6392b062
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Căn nhà màu tím

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958975

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958975

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1776477

OTSTimestamp
type: PropertyValue
value: 2026-07-21T06:12:52Z

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 0x82101920e16f24adc3bd57215d28baa82b0d65fa28c64c7064b0817b6392b062. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1776477.
date published: 2026-07-21T06:12:52Z

Căn nhà màu tím
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 97.22
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.373
additional property: Energy
  type: PropertyValue
  value: 0.443
additional property: Speechiness
  type: PropertyValue
  value: 0.031
additional property: Acousticness
  type: PropertyValue
  value: 0.675
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.097
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.311
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.087
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Phi Nhung - Hoàng hôn màu tím
type: MusicAlbum
date published: 1998-01-01

Chân Dung Kỷ Niệm
type: MusicAlbum
date published: 1998-04-01

Giọt lệ tình
type: MusicAlbum
date published: 1998-05-01

Tình Khúc Quê Hương
type: MusicAlbum
date published: 1998-06-25

Lang Tham
type: MusicAlbum
date published: 1998-09-04

Lý Con Sáo Bạc Liêu
type: MusicAlbum
date published: 1999-01-01

Chim sáo ngày xưa
type: MusicAlbum
date published: 1999-01-01

Lý Con Sáo Bạc Liêu
type: MusicAlbum
date published: 1999-01-01
track: Lý Con Sáo Bạc Liêu
  type: MusicRecording
  duration: PT5M15S
  duration ms: 315266
  explicit: false
  by artist: Phi Nhung
  in album: Lý Con Sáo Bạc Liêu
    type: MusicAlbum
    date published: 1999-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM7281999686
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T11:23:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xffbf6c933165e9d9493c88a8512bee74d0f9f32649ae67e5de8343c7f287fb06
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958153
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958153
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7281999686
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T14:25:11Z
  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 0xffbf6c933165e9d9493c88a8512bee74d0f9f32649ae67e5de8343c7f287fb06. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:25:11Z), 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/QM7281999686.
    date published: 2026-07-15T14:25:11Z
  audio: Lý Con Sáo Bạc Liêu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.455
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.545
    additional property: Energy
      type: PropertyValue
      value: 0.401
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.508
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.08
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.313
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.463
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Lý Con Sáo Bạc Liêu
type: MusicAlbum
date published: 1999-01-01

Biển Tuyết
type: MusicAlbum
date published: 1999-01-01

Nét Buồn Thời Chiến
type: MusicAlbum
date published: 1999-07-11

Căn Nhà Màu Tím
type: MusicAlbum
date published: 2000-01-01
track: Tân Cổ Căn Nhà Màu Tím
  type: MusicRecording
  duration: PT8M34S
  duration ms: 514706
  explicit: false
  by artist: Phi Nhung
  in album: Căn Nhà Màu Tím
    type: MusicAlbum
    date published: 2000-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM48F0021608
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T04:30:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x97f9b0e6ff6bd77f8c75cb0249e54737fb1b7aae2f66ddd5f490faa695e6bbe3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958242
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958242
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F0021608
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T07:32:08Z
  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 0x97f9b0e6ff6bd77f8c75cb0249e54737fb1b7aae2f66ddd5f490faa695e6bbe3. Chain 2 (Bitcoin): anchored in block 958242 (2026-07-16T07:32:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F0021608.
    date published: 2026-07-16T07:32:08Z
  audio: Tân Cổ Căn Nhà Màu Tím
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 74.031
    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: 0.313
    additional property: Energy
      type: PropertyValue
      value: 0.447
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.697
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.313
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.075
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Đếm Giọt Sầu Rơi
type: MusicAlbum
date published: 2000-01-01

Có lẽ
type: MusicAlbum
date published: 2000-01-01

Tân cổ Đoàn Cuối Tình Yêu
type: MusicAlbum
date published: 2000-01-01

Thân con gái kiếp con trai - Instrumental (Tình Đặc Biệt Karaoke MTV 07)
type: MusicAlbum
date published: 2000-01-01

Năm 17 tuổi
type: MusicAlbum
date published: 2000-01-01
track: Dòng đời
  type: MusicRecording
  duration: PT5M34S
  duration ms: 334053
  explicit: false
  by artist: Phi Nhung
  in album: Năm 17 tuổi
    type: MusicAlbum
    date published: 2000-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0F1705017
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T04:31:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc96a373d4dd43a4c731cb8d5caee147f4e38e3b6aa8754d3b280867e31fa2654
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958662
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958662
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1705017
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T04:43:15Z
  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 0xc96a373d4dd43a4c731cb8d5caee147f4e38e3b6aa8754d3b280867e31fa2654. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/VNA0F1705017.
    date published: 2026-07-19T04:43:15Z
  audio: Dòng đời
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.931
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.633
    additional property: Energy
      type: PropertyValue
      value: 0.622
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.695
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.054
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.406
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.309
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Tình bể dâu
type: MusicAlbum
date published: 2000-01-01

Người đẹp bên trăng
type: MusicAlbum
date published: 2000-01-01

Thương Về Mẹ Huế
type: MusicAlbum
date published: 2000-01-01

Tân cổ Đoạn Cuối Tình Yêu
type: MusicAlbum
date published: 2000-01-01
track: Đoạn Cuối Tình Yêu (Tân Cổ)
  type: MusicRecording
  duration: PT8M22S
  duration ms: 502493
  explicit: false
  by artist: Phi Nhung
  in album: Tân cổ Đoạn Cuối Tình Yêu
    type: MusicAlbum
    date published: 2000-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM4TW2082394
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:19:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xabd4cf6f26b7afb6b3a684dedb55de44c77c11bbe36e618123e1aebc1c73699d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958388
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958388
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2082394
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T09:14:21Z
  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 0xabd4cf6f26b7afb6b3a684dedb55de44c77c11bbe36e618123e1aebc1c73699d. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QM4TW2082394.
    date published: 2026-07-17T09:14:21Z
  audio: Đoạn Cuối Tình Yêu (Tân Cổ)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.47
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.345
    additional property: Energy
      type: PropertyValue
      value: 0.405
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.748
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.33
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.986
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Làm Dâu Xứ Lạ (Tân Cổ)
  type: MusicRecording
  duration: PT7M52S
  duration ms: 472440
  explicit: false
  by artist: Phi Nhung
  in album: Tân cổ Đoạn Cuối Tình Yêu
    type: MusicAlbum
    date published: 2000-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM4TW2082399
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T16:02:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x415132b1176d8fba9705c906c63c30631fa5c03bb417596bcd7f277c5e74b3a0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958436
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958436
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2082399
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T16:42:22Z
  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 0x415132b1176d8fba9705c906c63c30631fa5c03bb417596bcd7f277c5e74b3a0. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QM4TW2082399.
    date published: 2026-07-17T16:42:22Z
  audio: Làm Dâu Xứ Lạ (Tân Cổ)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 83.012
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.307
    additional property: Energy
      type: PropertyValue
      value: 0.48
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.752
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.081
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.321
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.207
    additional property: Key Name
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      value: E
    additional property: Mode Name
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Bông điên điển
type: MusicAlbum
date published: 2000-01-01
track: Bông điên điển
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260533
  explicit: false
  by artist: Phi Nhung
  in album: Bông điên điển
    type: MusicAlbum
    date published: 2000-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0F1766583
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T05:42:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc60cdf84763de025d50db160cf5e2c23a648e617748f1e236ead6e5b27a12be6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957527
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957527
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1766583
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T06:08:55Z
  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 0xc60cdf84763de025d50db160cf5e2c23a648e617748f1e236ead6e5b27a12be6. Chain 2 (Bitcoin): anchored in block 957527 (2026-07-11T06:08:55Z), 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/VNA0F1766583.
    date published: 2026-07-11T06:08:55Z
  audio: Bông điên điển
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.914
    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: 0.662
    additional property: Energy
      type: PropertyValue
      value: 0.42
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.622
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.06
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.351
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.991
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
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Tình nghèo (Hạnh phúc đơn sơ 2)
type: MusicAlbum
date published: 2000-01-24

Phi Nhung - Tình ca chim đa đa
type: MusicAlbum
date published: 2000-04-03
track: Đàn sáo Hậu giang
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292973
  explicit: false
  by artist: Phi Nhung
  in album: Phi Nhung - Tình ca chim đa đa
    type: MusicAlbum
    date published: 2000-04-03
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0F1703790
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T11:25:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x801acedad1d11ac12ea086094313ea52bbc09fbdc03c0c748aa35ce374b9b37f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1703790
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x801acedad1d11ac12ea086094313ea52bbc09fbdc03c0c748aa35ce374b9b37f. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1703790.
    date published: 2026-07-05T18:48:28Z
  audio: Đàn sáo Hậu giang
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.024
    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: 0.625
    additional property: Energy
      type: PropertyValue
      value: 0.525
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.46
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.348
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.081
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Cô Thắm Về Làng
type: MusicAlbum
date published: 2000-06-25

Cánh Hoa Rừng
type: MusicAlbum
date published: 2001-01-01
track: Nỗi Buồn Chim Sáo
  type: MusicRecording
  duration: PT4M43S
  duration ms: 283506
  explicit: false
  by artist: Phi Nhung
  in album: Cánh Hoa Rừng
    type: MusicAlbum
    date published: 2001-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM48F0124201
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T06:03:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x94e52c3b52a6575a7ef6c67a1a134cb2abc50b7d1ca12e1e6b4e479d039e1b9a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957531
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957531
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F0124201
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T06:55:18Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e52c3b52a6575a7ef6c67a1a134cb2abc50b7d1ca12e1e6b4e479d039e1b9a. Chain 2 (Bitcoin): anchored in block 957531 (2026-07-11T06:55:18Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F0124201.
    date published: 2026-07-11T06:55:18Z
  audio: Nỗi Buồn Chim Sáo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.069
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.626
    additional property: Energy
      type: PropertyValue
      value: 0.315
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.616
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.088
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.4
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.586
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Hương Ca MIền Nam 6: Bạc Liêu Hoài Cổ
type: MusicAlbum
date published: 2001-01-01

Tình đời... Kiếp cầm ca (Instrumental)
type: MusicAlbum
date published: 2001-01-01

Điệu buồn phương nam
type: MusicAlbum
date published: 2001-01-01
track: Điệu buồn phương nam
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304920
  explicit: false
  by artist: Phi Nhung
  in album: Điệu buồn phương nam
    type: MusicAlbum
    date published: 2001-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0F1711241
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T09:19:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x882054a1c6161ad8027dca903a249ba367c23c0fbeec5dcf929c5c2fde5d4afd
  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/VNA0F1711241
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882054a1c6161ad8027dca903a249ba367c23c0fbeec5dcf929c5c2fde5d4afd. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1711241.
    date published: 2026-07-18T09:39:18Z
  audio: Điệu buồn phương nam
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.836
    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: 0.592
    additional property: Energy
      type: PropertyValue
      value: 0.52
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.436
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.274
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.337
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.63
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Hành trình trên đất phù sa
  type: MusicRecording
  duration: PT6M15S
  duration ms: 375000
  explicit: false
  by artist: Phi Nhung
  in album: Điệu buồn phương nam
    type: MusicAlbum
    date published: 2001-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0F1711244
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T18:02:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6c388c0cc7096adc5633ba8f9bcbfdba342acb21b9f7cde6cad07e27e256fd9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959047
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959047
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1711244
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T21:02:53Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6c388c0cc7096adc5633ba8f9bcbfdba342acb21b9f7cde6cad07e27e256fd9. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T21:02:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1711244.
    date published: 2026-07-21T21:02:53Z
  audio: Hành trình trên đất phù sa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 148.033
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.64
    additional property: Energy
      type: PropertyValue
      value: 0.614
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.641
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.136
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.907
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.556
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Cánh Hoa Rừng
type: MusicAlbum
date published: 2001-01-01

Mùa thu lá bay
type: MusicAlbum
date published: 2001-03-05

Nàng yêu hoa tím
type: MusicAlbum
date published: 2001-04-20

Nàng Yêu Hoa Tím
type: MusicAlbum
date published: 2001-06-25

Tình Yêu Đơn Phương
type: MusicAlbum
date published: 2001-06-25

Phận Bạc
type: MusicAlbum
date published: 2001-06-25

Nàng Yêu Hoa Tím (Vol. 1-4)
type: MusicAlbum
date published: 2001-06-25

Tình Xưa Vụng Dại
type: MusicAlbum
date published: 2001-06-25

Tình Xưa Vụng Dại
type: MusicAlbum
date published: 2001-06-25

Nang Yeu Hoa Tim
type: MusicAlbum
date published: 2001-08-30

Tân Cổ Giao Duyên
type: MusicAlbum
date published: 2002-01-01

Tân Cổ Giao Duyên
type: MusicAlbum
date published: 2002-01-01
track: Trở Lại Bạc Liêu
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313240
  explicit: false
  by artist: Phi Nhung
  in album: Tân Cổ Giao Duyên
    type: MusicAlbum
    date published: 2002-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM4TW2085846
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T00:13:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa9e987e84bdaf4b1ff1bcffdf77edc712df63f5ebbc75853298ba006c3fa4e55
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956422
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956422
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085846
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T01:01:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e987e84bdaf4b1ff1bcffdf77edc712df63f5ebbc75853298ba006c3fa4e55. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085846.
    date published: 2026-07-03T01:01:38Z
  audio: Trở Lại Bạc Liêu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.077
    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: 0.702
    additional property: Energy
      type: PropertyValue
      value: 0.493
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.246
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.481
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.013
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Tân Cổ: Lý Chim Quyên
  type: MusicRecording
  duration: PT8M36S
  duration ms: 516146
  explicit: false
  by artist: Phi Nhung
  in album: Tân Cổ Giao Duyên
    type: MusicAlbum
    date published: 2002-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM4TW2085847
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T14:49:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x083b58edc94e149dd818bbd581e3dd8cd9be4b52148604e71ce2c554f44ad4b8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958749
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958749
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085847
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T17:52:26Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x083b58edc94e149dd818bbd581e3dd8cd9be4b52148604e71ce2c554f44ad4b8. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T17:52:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085847.
    date published: 2026-07-19T17:52:26Z
  audio: Tân Cổ: Lý Chim Quyên
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 81.86
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.437
    additional property: Energy
      type: PropertyValue
      value: 0.421
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.733
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.07
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.271
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.102
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Yêu Người Chung Vách
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326346
  explicit: false
  by artist: Phi Nhung
  in album: Tân Cổ Giao Duyên
    type: MusicAlbum
    date published: 2002-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM4TW2085848
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T23:54:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x217469cb80461571b1127cf1fd7a569998898c74840819c7f2358a6962e02e19
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Yêu Người Chung Vách
track: Tân Cổ: Phận Gái Thuyền Quyên
track: Tân Cổ: Lương Sơn Bá

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956857

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956857

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085848

OTSTimestamp
type: PropertyValue
value: 2026-07-06T01:26:17Z

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 0x217469cb80461571b1127cf1fd7a569998898c74840819c7f2358a6962e02e19. 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/QM4TW2085848.
date published: 2026-07-06T01:26:17Z

Yêu Người Chung Vách
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 127.535
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: 0.521
additional property: Energy
  type: PropertyValue
  value: 0.424
additional property: Speechiness
  type: PropertyValue
  value: 0.029
additional property: Acousticness
  type: PropertyValue
  value: 0.272
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.13
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.357
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.035
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Tân Cổ: Phận Gái Thuyền Quyên
type: MusicRecording
duration: PT9M58S
duration ms: 598813
explicit: false
by artist: Phi Nhung
in album: Tân Cổ Giao Duyên
  type: MusicAlbum
  date published: 2002-01-01
genre: bolero
genre: vietnamese bolero
genre: v-pop
isrc code: QM4TW2085851
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T07:40:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb139f1cb1d6304ad0edb65dc5cfa2fafffa85e4ff26fcb32c31bb7a748c75ce4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956656
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085851
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T14:03:39Z
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 0xb139f1cb1d6304ad0edb65dc5cfa2fafffa85e4ff26fcb32c31bb7a748c75ce4. 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/QM4TW2085851.
  date published: 2026-07-04T14:03:39Z
audio: Tân Cổ: Phận Gái Thuyền Quyên
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 77.253
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.306
  additional property: Energy
    type: PropertyValue
    value: 0.468
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.659
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.366
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.44
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tân Cổ: Lương Sơn Bá
type: MusicRecording
duration: PT4M9S
duration ms: 249386
explicit: false
by artist: Phi Nhung
in album: Tân Cổ Giao Duyên
  type: MusicAlbum
  date published: 2002-01-01
genre: bolero
genre: vietnamese bolero
genre: v-pop
isrc code: QM4TW2085852
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T19:05:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67314c08f73d3de063a554f8f127de2f1c37c18b05cd0ee8261648198a505160
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958774
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958774
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085852
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T22:03:52Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67314c08f73d3de063a554f8f127de2f1c37c18b05cd0ee8261648198a505160. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:03:52Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085852.
  date published: 2026-07-19T22:03:52Z
audio: Tân Cổ: Lương Sơn Bá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.813
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.491
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.188
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.224
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.489
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.8
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Thị Trấn Sương Mù
type: MusicAlbum
date published: 2003-01-01

Tân Cổ Giao Duyên 2
type: MusicAlbum
date published: 2003-01-01

Tân Cổ Giao Duyên 2
type: MusicAlbum
date published: 2003-01-01
track: Tân Cổ: Hai Đứa Giận Nhau
  type: MusicRecording
  duration: PT8M29S
  duration ms: 509080
  explicit: false
  by artist: Phi Nhung
  in album: Tân Cổ Giao Duyên 2
    type: MusicAlbum
    date published: 2003-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM4TW2085557
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T20:02:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x211c778266a88c8ed6a26acde3a6cec725a617d02e999b4692aec59908c7e1c0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958776
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958776
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085557
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T20:11:59Z
  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 0x211c778266a88c8ed6a26acde3a6cec725a617d02e999b4692aec59908c7e1c0. Chain 2 (Bitcoin): anchored in block 958776 (2026-07-19T20:11:59Z), 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/QM4TW2085557.
    date published: 2026-07-19T20:11:59Z
  audio: Tân Cổ: Hai Đứa Giận Nhau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.126
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.364
    additional property: Energy
      type: PropertyValue
      value: 0.421
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.662
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.151
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.409
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.796
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Tân Cổ: Đừng Nói Xa Nhau
  type: MusicRecording
  duration: PT8M0S
  duration ms: 480813
  explicit: false
  by artist: Phi Nhung
  in album: Tân Cổ Giao Duyên 2
    type: MusicAlbum
    date published: 2003-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM4TW2085561
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T23:21:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2b6c1f070dd2714c25bff94ca8e06bb7450dec778d2f82d3d009d25c132ad43d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958465
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958465
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2085561
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T00:04:42Z
  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 0x2b6c1f070dd2714c25bff94ca8e06bb7450dec778d2f82d3d009d25c132ad43d. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), 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/QM4TW2085561.
    date published: 2026-07-18T00:04:42Z
  audio: Tân Cổ: Đừng Nói Xa Nhau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 147.543
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.397
    additional property: Energy
      type: PropertyValue
      value: 0.555
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.581
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.083
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.391
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.466
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ngua O Thuong Nho
type: MusicAlbum
date published: 2004-01-01

Ngựa Ô Thương Nhớ
type: MusicAlbum
date published: 2004-01-01

Tân Cổ Giao Duyên 3
type: MusicAlbum
date published: 2004-01-01

Tân Cổ Giao Duyên 3
type: MusicAlbum
date published: 2004-01-01

Ngựa Ô Thương Nhớ
type: MusicAlbum
date published: 2004-01-01
track: Trách Ai Vô Tình
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278586
  explicit: false
  by artist: Phi Nhung
  in album: Ngựa Ô Thương Nhớ
    type: MusicAlbum
    date published: 2004-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM4TW2091613
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T13:44:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7e71a14d9bb272d2bc6e281e2fa0b91d33466bafc19d72add50e4abbc9dd8f0a
  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/QM4TW2091613
  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 0x7e71a14d9bb272d2bc6e281e2fa0b91d33466bafc19d72add50e4abbc9dd8f0a. 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/QM4TW2091613.
    date published: 2026-07-16T16:14:30Z
  audio: Trách Ai Vô Tình
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.99
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.642
    additional property: Energy
      type: PropertyValue
      value: 0.596
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.623
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.333
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.43
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.281
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Dòng đời
type: MusicAlbum
date published: 2004-07-12

Than Thở Với Lục Bình
type: MusicAlbum
date published: 2004-11-25

Chờ Người
type: MusicAlbum
date published: 2005-04-17

Bong Dien Dien
type: MusicAlbum
date published: 2007-05-15

Nhạc phim Tình chỉ đẹp & Liveshow
type: MusicAlbum
date published: 2008-01-01

Chắc Gì
type: MusicAlbum
date published: 2008-07-20

Đếm Giọt Sầu Rơi
type: MusicAlbum
date published: 2008-12-23

Đếm Giọt Sầu Rơi
type: MusicAlbum
date published: 2008-12-23

20 Nam Tinh Dep Mua Chom Chom
type: MusicAlbum
date published: 2009-04-24

Nếu Chúng Mình Cách Trở
type: MusicAlbum
date published: 2010-01-01
track: Lk Thương Tình Nhân
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287533
  explicit: false
  by artist: Phi Nhung
  in album: Nếu Chúng Mình Cách Trở
    type: MusicAlbum
    date published: 2010-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM48F1148303
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T12:45:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x26dcb45217c6d76cb1bb47f1d6948e3eb6be21bdbcb56f2bbcad7d7c366a4ba1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958736
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958736
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F1148303
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T15:47:43Z
  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 0x26dcb45217c6d76cb1bb47f1d6948e3eb6be21bdbcb56f2bbcad7d7c366a4ba1. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:47:43Z), 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/QM48F1148303.
    date published: 2026-07-19T15:47:43Z
  audio: Lk Thương Tình Nhân
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 155.754
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.434
    additional property: Energy
      type: PropertyValue
      value: 0.523
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.514
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.181
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.365
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.963
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Dạ Cổ Hoài Lang
  type: MusicRecording
  duration: PT5M24S
  duration ms: 324866
  explicit: false
  by artist: Phi Nhung
  in album: Nếu Chúng Mình Cách Trở
    type: MusicAlbum
    date published: 2010-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM48F1148309
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T01:06:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2ccc2f978d63d4bcfc91ee80eee094ba204609a55aa444a7a071f9d8972a0618
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958224
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958224
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F1148309
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T02:28:43Z
  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 0x2ccc2f978d63d4bcfc91ee80eee094ba204609a55aa444a7a071f9d8972a0618. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QM48F1148309.
    date published: 2026-07-16T02:28:43Z
  audio: Dạ Cổ Hoài Lang
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 78.857
    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: 0.309
    additional property: Energy
      type: PropertyValue
      value: 0.448
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.837
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.147
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.443
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Nếu Chúng Mình Cách Trở
type: MusicAlbum
date published: 2010-01-01

Hình Bóng Quê Nhà
type: MusicAlbum
date published: 2010-06-16

Hình Bóng Quê Nhà
type: MusicAlbum
date published: 2010-06-16

Quê Hương Mùa Xuân
type: MusicAlbum
date published: 2011-01-01

Cơn Mê Tình Ái
type: MusicAlbum
date published: 2012-09-15

Mực Tím Mồng Tơi
type: MusicAlbum
date published: 2013-01-17

Than Thở Với Lục Bình
type: MusicAlbum
date published: 2014-11-25

Bao Giờ Ta Gặp Lại Ta
type: MusicAlbum
date published: 2018-03-01

Màu Hoa Bí
type: MusicAlbum
date published: 2018-03-01

Chắc Gì
type: MusicAlbum
date published: 2018-03-01

Tiếng Hát Phi Nhung
type: MusicAlbum
date published: 2018-03-01

Đừng Nói Xa Nhau
type: MusicAlbum
date published: 2018-03-01

Con Cò
type: MusicAlbum
date published: 2018-08-28

Còn Thương Góc Bếp Cháy Hè
type: MusicAlbum
date published: 2018-09-04

Còn Thương Góc Bếp Cháy Hè
type: MusicAlbum
date published: 2018-09-04

Than Thở Với Lục Bình
type: MusicAlbum
date published: 2018-09-11

Bao Giờ Ta Gặp Lại Ta
type: MusicAlbum
date published: 2018-09-11

Màu Hoa Bí
type: MusicAlbum
date published: 2018-09-11

Đừng Nói Xa Nhau
type: MusicAlbum
date published: 2018-09-11

Tiếng Hát Phi Nhung
type: MusicAlbum
date published: 2018-09-11

Chắc Gì
type: MusicAlbum
date published: 2018-09-11
track: Áo Mới Cà Mau
  type: MusicRecording
  duration: PT5M7S
  duration ms: 307837
  explicit: false
  by artist: Phi Nhung
  in album: Chắc Gì
    type: MusicAlbum
    date published: 2018-09-11
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: VNA0M1841377
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T02:55:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3061292aa5c9d92e36170555ae03c8804220f8c1db557bffbf6219a70150b803
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958823
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958823
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1841377
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T04:29:18Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3061292aa5c9d92e36170555ae03c8804220f8c1db557bffbf6219a70150b803. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1841377.
    date published: 2026-07-20T04:29:18Z
  audio: Áo Mới Cà Mau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.961
    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: 0.636
    additional property: Energy
      type: PropertyValue
      value: 0.588
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.655
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.385
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.743
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.431
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Than Thở Với Lục Bình
type: MusicAlbum
date published: 2018-09-11

Thao Thức Vì Em
type: MusicAlbum
date published: 2018-09-11

Thương Lắm Mình Ơi
type: MusicAlbum
date published: 2018-09-11

Canh Hoa Rung
type: MusicAlbum
date published: 2018-10-02

Tan Co Giao Duyen
type: MusicAlbum
date published: 2018-10-02

Can Nha Mau Tim
type: MusicAlbum
date published: 2018-10-02

Phận Mồ Côi
type: MusicAlbum
date published: 2018-10-10

Phận Mồ Côi
type: MusicAlbum
date published: 2018-10-10

Ly Con Sao Bac Lieu
type: MusicAlbum
date published: 2018-10-11

Tan Co Giao Duyen 2
type: MusicAlbum
date published: 2018-10-11

Tan Co Doan Cuoi Tinh Yeu
type: MusicAlbum
date published: 2018-10-11

Neu Chung Minh Cach Tro
type: MusicAlbum
date published: 2018-10-12

Vợ Chồng Son
type: MusicAlbum
date published: 2019-01-01

Thanh Xuân Em Đợi
type: MusicAlbum
date published: 2019-07-31

Thanh Xuân Em Đợi
type: MusicAlbum
date published: 2019-07-31

Chuyện Đóa Hồng
type: MusicAlbum
date published: 2020-03-21

Thương Quê Mình Miền Tây
type: MusicAlbum
date published: 2020-04-02

Thương Quê Mình Miền Tây
type: MusicAlbum
date published: 2020-04-02

Áo Mới Cà Mau
type: MusicAlbum
date published: 2020-08-29

Ngồi Buồn Nhớ Mẹ
type: MusicAlbum
date published: 2020-09-15

Ngồi Buồn Nhớ Mẹ
type: MusicAlbum
date published: 2020-09-15

Luật Trời
type: MusicAlbum
date published: 2020-10-01

Bạc Trắng Lửa Hồng
type: MusicAlbum
date published: 2020-11-05

Gặp Nhau Trong Rừng Mơ
type: MusicAlbum
date published: 2020-11-10

Quang Lê & Phi Nhung (Musicbox 30)
type: MusicAlbum
date published: 2021-01-01
track: Chiều Qua Phà Hậu Giang
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226960
  explicit: false
  by artist: Phi Nhung
  in album: Quang Lê & Phi Nhung (Musicbox 30)
    type: MusicAlbum
    date published: 2021-01-01
  genre: bolero
  genre: vietnamese bolero
  genre: v-pop
  isrc code: QM48F2003003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T16:12:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1cb682346dccc06d31cfed898e77213c726b5dcf562105e940c16963ae24c5b2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958908
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958908
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F2003003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T19:10:39Z
  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 0x1cb682346dccc06d31cfed898e77213c726b5dcf562105e940c16963ae24c5b2. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T19:10:39Z), 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/QM48F2003003.
    date published: 2026-07-20T19:10:39Z
  audio: Chiều Qua Phà Hậu Giang
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.968
    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: 0.659
    additional property: Energy
      type: PropertyValue
      value: 0.407
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.659
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.469
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.136
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Phút Cuối (Musicbox 42)
type: MusicAlbum
date published: 2021-01-01

Dạ Lỡ
type: MusicAlbum
date published: 2021-02-01

Dạ Lỡ
type: MusicAlbum
date published: 2021-02-03

Xuân Nhớ Quay Về Nhà
type: MusicAlbum
date published: 2021-03-03

Em Đi Vía Bà
type: MusicAlbum
date published: 2021-04-15

Chiều Qua Phà Hậu Giang
type: MusicAlbum
date published: 2021-04-24

Tình Mẹ Đơn Thân
type: MusicAlbum
date published: 2021-05-08

Bậu Ơi Đừng Khóc
type: MusicAlbum
date published: 2021-05-12

Hiện Tại Đang Là
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date published: 2021-07-08

Là Gì Thế
type: MusicAlbum
date published: 2021-07-08

Lời Tri Ân
type: MusicAlbum
date published: 2021-07-10

Kiếp Tằm
type: MusicAlbum
date published: 2021-07-24

Bậu Ơi Đừng Khóc
type: MusicAlbum
date published: 2021-08-24

Hai Ơi, Đừng Qua Sông
type: MusicAlbum
date published: 2021-10-06

Don't Stay
type: MusicAlbum
date published: 2021-10-06

Music Box 42: Phút Cuối
type: MusicAlbum
date published: 2021-10-11

Khóc Thầm
type: MusicAlbum
date published: 2021-10-11

Cõi Nhớ
type: MusicAlbum
date published: 2022-03-06

Mừng Tuổi Mẹ
type: MusicAlbum
date published: 2022-06-30

Nghĩa Phu Thê
type: MusicAlbum
date published: 2022-07-27

Hoa Tình Tháng Giêng
type: MusicAlbum
date published: 2022-08-09

Lấy Chồng Xứ Lạ
type: MusicAlbum
date published: 2022-08-09

Chờ Người
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date published: 2022-08-09
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    date published: 2022-08-09
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  genre: vietnamese bolero
  genre: v-pop
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    date published: 2026-07-18T04:13:26Z
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    additional property: Tempo (BPM)
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      value: 114.021
    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: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Màu Hoa Bí
type: MusicAlbum
date published: 2023-01-17

Chắc Gì
type: MusicAlbum
date published: 2023-01-17

Thương Lắm Mình Ơi
type: MusicAlbum
date published: 2023-01-17

Than Thở Với Lục Bình
type: MusicAlbum
date published: 2023-01-17

Tiếng Hát Phi Nhung - Liên Khúc Trong Các Vở Cải Lương
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date published: 2023-01-17

Chắc Gì
type: MusicAlbum
date published: 2023-01-17

Thao Thức Vì Em
type: MusicAlbum
date published: 2023-01-19

Chiều Lên Bản Thượng
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date published: 2023-03-17
track: Chiều Lên Bản Thượng
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  duration: PT4M24S
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    date published: 2023-03-17
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  genre: vietnamese bolero
  genre: v-pop
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    value: https://explorer.copyrightchains.com/tx/0xa17fd99d160033cb1e5b8d8ff8896b848f8f953354ef5ac7164ac4e1fc42011a
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  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958462
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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    value: 2026-07-17T23:17:53Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
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    date published: 2026-07-17T23:17:53Z
  audio: Chiều Lên Bản Thượng
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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
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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
      type: PropertyValue
      value: 0.729
    additional property: Valence (Positivity)
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      value: 0.894
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Bỏ Quê
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date published: 2023-03-17

Bậu Ơi Đừng Khóc
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date published: 2023-05-12

Rạng Đông Tuyển Tập 75
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date published: 2025-01-06

Rạng Đông Tuyển Tập 74
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date published: 2025-01-06