Lâm Phúc
type: MusicGroup
genre: v-pop
popularity: 26
followers: 1680
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcef9a220a428036f9afcaaee9a69ef261d9739c815989b949e460a4b387080dc
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/b5c77aac-8f14-4a46-a3f9-b1a71bcd2676.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5c77aac-8f14-4a46-a3f9-b1a71bcd2676.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b5c77aac-8f14-4a46-a3f9-b1a71bcd2676
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcef9a220a428036f9afcaaee9a69ef261d9739c815989b949e460a4b387080dc","name":"Lâm Phúc","registered_at":"2026-06-12T07:52:18Z","symbol":"NIM0233819","token_address":"0xb9e7afbb919f824911466908477218474117b6f2","type":"artist","uuid":"b5c77aac-8f14-4a46-a3f9-b1a71bcd2676"}
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 0xcef9a220a428036f9afcaaee9a69ef261d9739c815989b949e460a4b387080dc. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5c77aac-8f14-4a46-a3f9-b1a71bcd2676.json and https://artists.proofprofile.net/proofs/artist/b5c77aac-8f14-4a46-a3f9-b1a71bcd2676.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xcef9a220a428036f9afcaaee9a69ef261d9739c815989b949e460a4b387080dc","name":"Lâm Phúc","registered_at":"2026-06-12T07:52:18Z","symbol":"NIM0233819","token_address":"0xb9e7afbb919f824911466908477218474117b6f2","type":"artist","uuid":"b5c77aac-8f14-4a46-a3f9-b1a71bcd2676"}
album: Đành Buông Tay
  type: MusicAlbum
  date published: 2023-06-12
album: Thời Gian Sẽ Chữa Lành Tất Cả
  type: MusicAlbum
  date published: 2024-04-02
album: Thời Gian Sẽ Chữa Lành Tất Cả (Ft. PiaLinh) [R&B Session]
  type: MusicAlbum
  date published: 2024-05-02
  track: Thời Gian Sẽ Chữa Lành Tất Cả (Ft. PiaLinh) - R&B Session
    type: MusicRecording
    duration: PT4M1S
    duration ms: 241007
    explicit: false
    by artist: Lâm Phúc
    in album: Thời Gian Sẽ Chữa Lành Tất Cả (Ft. PiaLinh) [R&B Session]
      type: MusicAlbum
      date published: 2024-05-02
    genre: v-pop
    isrc code: FRX452469185
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T20:50:28+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbf4a806af8a4ae4d96cd95ee5bff64935955a60a66105d874406f7a3ac08f7e6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958783
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958783
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452469185
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T23:52:27Z
    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 0xbf4a806af8a4ae4d96cd95ee5bff64935955a60a66105d874406f7a3ac08f7e6. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:52:27Z), 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/FRX452469185.
      date published: 2026-07-19T23:52:27Z
    audio: Thời Gian Sẽ Chữa Lành Tất Cả (Ft. PiaLinh) - R&B Session
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 159.843
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.471
      additional property: Energy
        type: PropertyValue
        value: 0.388
      additional property: Speechiness
        type: PropertyValue
        value: 0.17
      additional property: Acousticness
        type: PropertyValue
        value: 0.86
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.109
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.494
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.839
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Thời Gian Sẽ Chữa Lành Tất Cả (Piano Version)
  type: MusicAlbum
  date published: 2024-05-27
  track: Thời Gian Sẽ Chữa Lành Tất Cả - Piano Version
    type: MusicRecording
    duration: PT4M43S
    duration ms: 283775
    explicit: false
    by artist: Lâm Phúc
    in album: Thời Gian Sẽ Chữa Lành Tất Cả (Piano Version)
      type: MusicAlbum
      date published: 2024-05-27
    genre: v-pop
    isrc code: FRX872457826
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T12:35:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd7289550ea6f253cf9acf8d0aef9ac992dfc77813abc886f631d3a6fbf27688e
    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/FRX872457826
    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 0xd7289550ea6f253cf9acf8d0aef9ac992dfc77813abc886f631d3a6fbf27688e. 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/FRX872457826.
      date published: 2026-07-16T16:14:30Z
    audio: Thời Gian Sẽ Chữa Lành Tất Cả - Piano Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.072
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.459
      additional property: Energy
        type: PropertyValue
        value: 0.214
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.958
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: ‘anhduong’
album: ‘anhduong’ (Piano Version)
album: Thành Phố Sương
album: Đâu Phải Chỉ Là Giá Như
album: Hạ Cánh Nơi Lòng Anh
album: đắp chăn nghe nhạc
album: Có một chữ Thương
track: Đánh Cắp Mặt Trời

Đánh Cắp Mặt Trời
type: MusicRecording
duration: PT8M20S
duration ms: 500571
explicit: false
by artist: Double2T
by artist: Tùng Dương
by artist: Hồng Nhung
by artist: Trung Quân
by artist: Phương Mỹ Chi
by artist: ERIK
by artist: Dương Hoàng Yến
by artist: Bùi Công Nam
by artist: Orange
by artist: Emily
by artist: Trang Pháp
by artist: Dương Trường Giang
by artist: Kay Trần
by artist: PiaLinh
by artist: Quốc Thiên
by artist: Hoàng Tôn
by artist: Ali Hoàng Dương
by artist: Đinh Ứng Phi Trường
by artist: Lâm Phúc
by artist: Gia Khiêm
by artist: Bảo An
by artist: Tuấn Cry
by artist: Ngọc Việt Idol
by artist: Na Ngọc Anh
by artist: DT TAP RAP
by artist: Xệ Xệ
by artist: Huỳnh Lập
by artist: Neko Lê
by artist: BigDaddy
by artist: Thai VG
by artist: GDucky
by artist: Lil Wuyn
by artist: HURRYKNG
by artist: OgeNus
by artist: CAPTAIN BOY
by artist: gung0cay
by artist: IndieK
by artist: Hydra
by artist: SMO
by artist: Nguyễn Thúc Thùy Tiên
by artist: KHÁNH
by artist: Cao Thanh Thảo My
by artist: 1977 Vlog
in album: Đánh Cắp Mặt Trời
  type: MusicAlbum
  date published: 2024-03-30
genre: v-pop
genre: vietnamese-hip-hop
isrc code: VNA1M2284589
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:32:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7a1efdf12ec822f59b0cb241e09d9e9c8de14da67bd184dcec0299360ab56e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA1M2284589
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7a1efdf12ec822f59b0cb241e09d9e9c8de14da67bd184dcec0299360ab56e6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA1M2284589.
  date published: 2026-06-13T17:25:41Z
audio: Đánh Cắp Mặt Trời
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.15
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.706
  additional property: Energy
    type: PropertyValue
    value: 0.697
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.559
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.429
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.709
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.103

Valence (Positivity)
type: PropertyValue
value: 0.456

Loudness (dB)
type: PropertyValue
value: -11.799

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

‘anhduong’
type: MusicAlbum
date published: 2024-06-11

‘anhduong’ (Piano Version)
type: MusicAlbum
date published: 2024-08-04
track: ‘anhduong' - Piano Version
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231762
  explicit: false
  by artist: Lâm Phúc
  in album: ‘anhduong’ (Piano Version)
    type: MusicAlbum
    date published: 2024-08-04
  genre: v-pop
  isrc code: VNA0M1937686
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T15:57:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbc7efaa930da088270cb309aef67e0e9cfe1731f3f8b21594ab22926be54a050
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958761
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958761
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1937686
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T19:00:46Z
  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 0xbc7efaa930da088270cb309aef67e0e9cfe1731f3f8b21594ab22926be54a050. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:00:46Z), 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/VNA0M1937686.
    date published: 2026-07-19T19:00:46Z
  audio: ‘anhduong' - Piano Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.649
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.581
    additional property: Energy
      type: PropertyValue
      value: 0.241
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.864
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.529
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.516
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Thành Phố Sương
type: MusicAlbum
date published: 2024-10-21

Đâu Phải Chỉ Là Giá Như
type: MusicAlbum
date published: 2024-11-11

Hạ Cánh Nơi Lòng Anh
type: MusicAlbum
date published: 2024-11-17
track: Hạ Cánh Nơi Lòng Anh
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258062
  explicit: false
  by artist: Lâm Phúc
  in album: Hạ Cánh Nơi Lòng Anh
    type: MusicAlbum
    date published: 2024-11-17
  genre: v-pop
  isrc code: VNA0M1939779
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T11:28:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9625bfc7ffab8e75c745ce99d7e11ecbb684d47db8144c34f17fa34e34721362
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957573
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957573
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1939779
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T13:43:13Z
  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 0x9625bfc7ffab8e75c745ce99d7e11ecbb684d47db8144c34f17fa34e34721362. Chain 2 (Bitcoin): anchored in block 957573 (2026-07-11T13:43:13Z), 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/VNA0M1939779.
    date published: 2026-07-11T13:43:13Z
  audio: Hạ Cánh Nơi Lòng Anh
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 180.185
    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: 0.513
    additional property: Energy
      type: PropertyValue
      value: 0.489
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.555
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.341
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.53
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.195
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

đắp chăn nghe nhạc
type: MusicAlbum
date published: 2024-12-27
track: em nhớ gì về anh?
  type: MusicRecording
  duration: PT5M8S
  duration ms: 308000
  explicit: false
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  in album: đắp chăn nghe nhạc
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    date published: 2024-12-27
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  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T00:05:57+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xc170305ef30dfeb0a0d8efee2b6fa6364343fd3f08baa7dc429d2544ea0d0ca9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1940028
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:26:17Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc170305ef30dfeb0a0d8efee2b6fa6364343fd3f08baa7dc429d2544ea0d0ca9. 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/VNA0M1940028.
    date published: 2026-07-06T01:26:17Z
  audio: em nhớ gì về anh?
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 119.995
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.643
    additional property: Energy
      type: PropertyValue
      value: 0.263
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.954
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.117
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.446
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.001
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
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Có một chữ Thương
type: MusicAlbum
date published: 2025-05-22
track: Có một chữ Thương
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274230
  explicit: false
  by artist: Lâm Phúc
  in album: Có một chữ Thương
    type: MusicAlbum
    date published: 2025-05-22
  genre: v-pop
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T13:39:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4c74619eed1669dbc54faa73f96c610e6f810a9e7ac4162ef38b6e90a4c4178f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1940848
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 0x4c74619eed1669dbc54faa73f96c610e6f810a9e7ac4162ef38b6e90a4c4178f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/VNA0M1940848.
    date published: 2026-07-03T19:59:51Z
  audio: Có một chữ Thương
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.475
    additional property: Energy
      type: PropertyValue
      value: 0.263
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.826
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.301
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.326
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major