Hoàng Dũng
type: MusicGroup
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
popularity: 56
followers: 687743
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbfa2bc8d01f34a7eada80ed8fb6244a3a5e34687694f3a352b057b6bbc3787a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/55ad22e8-567a-4581-9acb-1735dfba3e69.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/55ad22e8-567a-4581-9acb-1735dfba3e69.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/55ad22e8-567a-4581-9acb-1735dfba3e69
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbfa2bc8d01f34a7eada80ed8fb6244a3a5e34687694f3a352b057b6bbc3787a9","name":"Hoàng Dũng","registered_at":"2026-06-12T15:28:23Z","symbol":"NIM0111722","token_address":"0xfbecd5c955087af231958eba182b3106dba51e2b","type":"artist","uuid":"55ad22e8-567a-4581-9acb-1735dfba3e69"}
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 0xbfa2bc8d01f34a7eada80ed8fb6244a3a5e34687694f3a352b057b6bbc3787a9. 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/55ad22e8-567a-4581-9acb-1735dfba3e69.json and https://artists.proofprofile.net/proofs/artist/55ad22e8-567a-4581-9acb-1735dfba3e69.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xbfa2bc8d01f34a7eada80ed8fb6244a3a5e34687694f3a352b057b6bbc3787a9","name":"Hoàng Dũng","registered_at":"2026-06-12T15:28:23Z","symbol":"NIM0111722","token_address":"0xfbecd5c955087af231958eba182b3106dba51e2b","type":"artist","uuid":"55ad22e8-567a-4581-9acb-1735dfba3e69"}
album: Cho Anh Nhe
  type: MusicAlbum
  date published: 2016-11-28
album: Đi Đâu Để Thấy Hoa Bay
  type: MusicAlbum
  date published: 2017-09-05
album: Yeu Duoi
  type: MusicAlbum
  date published: 2017-10-01
album: Đôi Lời Tình Ca
  type: MusicAlbum
  date published: 2018-02-12
album: 25
  type: MusicAlbum
  date published: 2018-03-01
album: Vì Một Câu Nói
  type: MusicAlbum
  date published: 2018-03-01
album: Nàng Thơ
  type: MusicAlbum
  date published: 2018-03-01
album: Tình Ca Mùa Thu
  type: MusicAlbum
  date published: 2018-09-21
  track: Lối Cũ Ta Về
    type: MusicRecording
    duration: PT4M8S
    duration ms: 248541
    explicit: false
    by artist: Hoàng Dũng
    in album: Tình Ca Mùa Thu
      type: MusicAlbum
      date published: 2018-09-21
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: HKA411800328
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-28T19:36:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x34ba8e8baea53ea6ffe0a62a7d1ee5e77c110f7e3f908d6f57a67954a5bb8b6a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKA411800328
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34ba8e8baea53ea6ffe0a62a7d1ee5e77c110f7e3f908d6f57a67954a5bb8b6a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKA411800328.
      date published: 2026-07-02T16:51:38Z
    audio: Lối Cũ Ta Về
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.795
      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: 0.574
      additional property: Energy
        type: PropertyValue
        value: 0.211
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.804
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.153
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.698
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Tình Ca Hoàng Dũng
  type: MusicAlbum
  date published: 2018-11-09
album: Nép Vào Anh Và Nghe Anh Hát
  type: MusicAlbum
  date published: 2018-12-12
album: Nep Vao Anh Va Nghe Anh Hat
  type: MusicAlbum
  date published: 2018-12-21
album: Vì Anh Vẫn
  type: MusicAlbum
  date published: 2019-01-31
album: Vì Anh Vẫn
  type: MusicAlbum
  date published: 2019-02-15
album: Tình Ca Hoàng Dũng
  type: MusicAlbum
  date published: 2019-03-06
album: Mùa Viết Tình Ca (Acapella)
  type: MusicAlbum
  date published: 2019-03-06
album: Ngu Nghếch
  type: MusicAlbum
  date published: 2019-09-21
album: Ngu Nghếch
  type: MusicAlbum
  date published: 2019-09-21
album: Ngu Nghếch
  type: MusicAlbum
  date published: 2019-09-21
album: Đường Đêm
  type: MusicAlbum
  date published: 2020-01-01
  track: Đường Đêm
    type: MusicRecording
    duration: PT4M42S
    duration ms: 282279
    explicit: false
    by artist: Hoàng Dũng
    in album: Đường Đêm
      type: MusicAlbum
      date published: 2020-01-01
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: QM4TX2471271
    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: Đường Đêm
album: Tôi Là Ai Trong Em (Acoustic Version)
album: Live Session
album: Hoàng Dũng Live at Hội Đồng Hội 2020
album: Gói Nắng Mang Về
album: Yêu Xa Hoá Gần
album: Mùa Hè Bất Tận
album: Thói Quen (25 mét vuông) [feat. Gducky]
album: Nửa Thập Kỷ (25 Mét Vuông)
album: Vì Một Câu Nói (25 Mét Vuông)
album: Về Nhà (25 Mét Vuông)
album: Bữa Tiệc Của Giác Quan (25 Mét Vuông)
album: 25 Mét Vuông
album: Cảm Ơn Nhà
album: Một Điều Chưa Nói
album: Tôi Muốn Làm Cái Cây
album: Nắng Thủy Tinh
album: Đoạn Kết Mới
album: Yên
album: Đoạn Kết Mới (Piano Version)
album: Đôi Mươi (Remix)
album: Yên Concert
album: Nơi Pháo Hoa Rực Rỡ (Special Edition Từ Đi Để Trở Về 8)
album: LA BÀN
album: Cuối Tuần (1825)
album: LA BÀN (ACOUSTIC)
album: MIỀN ĐẤT KỲ DIỆU
album: Phonecert
album: XOAY TRÒN
album: MỘT NGÀY NÀO ĐÓ

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-21T00:21:04+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x21f9a0cf8ad81e629f2f8c9e8f20aec661b28133c098b34882c54816a9e1fc24

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958945

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958945

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2471271

OTSTimestamp
type: PropertyValue
value: 2026-07-21T03:22:28Z

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 0x21f9a0cf8ad81e629f2f8c9e8f20aec661b28133c098b34882c54816a9e1fc24. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T03:22:28Z), 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/QM4TX2471271.
date published: 2026-07-21T03:22:28Z

Đường Đêm
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 148.04
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: 0.553
additional property: Energy
  type: PropertyValue
  value: 0.54
additional property: Speechiness
  type: PropertyValue
  value: 0.034
additional property: Acousticness
  type: PropertyValue
  value: 0.125
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.111
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.319
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.459
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Minor

Tôi Là Ai Trong Em (Acoustic Version)
type: MusicAlbum
date published: 2020-01-01

Nàng Thơ
type: MusicAlbum
date published: 2020-03-08
track: Nàng Thơ - Instrumental
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254476
  explicit: false
  by artist: Hoàng Dũng
  in album: Nàng Thơ
    type: MusicAlbum
    date published: 2020-03-08
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1908146
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T20:41:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa15c4702cb61b9cd58d7e45d4c7aacaac793bb112b6caff6c137528b6882a899
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956620
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956620
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1908146
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T07:11:13Z
  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 0xa15c4702cb61b9cd58d7e45d4c7aacaac793bb112b6caff6c137528b6882a899. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/VNA0M1908146.
    date published: 2026-07-04T07:11:13Z
  audio: Nàng Thơ - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.968
    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: 0.54
    additional property: Energy
      type: PropertyValue
      value: 0.223
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.22
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.849
    additional property: Liveness
      type: PropertyValue
      value: 0.146
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.072
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.504
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Nàng Thơ
type: MusicAlbum
date published: 2020-03-08
track: Nàng Thơ
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254476
  explicit: false
  by artist: Hoàng Dũng
  in album: Nàng Thơ
    type: MusicAlbum
    date published: 2020-03-08
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1908145
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T10:07:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe53550666b411647f84c963893e77ac1e9356c108af64fc7b39a0c0e1b7eebfc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958544
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958544
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1908145
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:14:37Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe53550666b411647f84c963893e77ac1e9356c108af64fc7b39a0c0e1b7eebfc. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1908145.
    date published: 2026-07-18T12:14:37Z
  audio: Nàng Thơ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 118.228
    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: 0.39
    additional property: Energy
      type: PropertyValue
      value: 0.456
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.773
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.154
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.162
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.285
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Vì Một Câu Nói
type: MusicAlbum
date published: 2020-05-12

Live Session
type: MusicAlbum
date published: 2020-06-05

25
type: MusicAlbum
date published: 2020-12-16
track: Bụi
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278825
  explicit: false
  by artist: Hoàng Dũng
  in album: 25
    type: MusicAlbum
    date published: 2020-12-16
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1909728
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T23:52:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc424291b96e52e8c4d6de4211ed5bc09ba847b7b6be5ae14085a3b4f103af677
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1909728
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc424291b96e52e8c4d6de4211ed5bc09ba847b7b6be5ae14085a3b4f103af677. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1909728.
    date published: 2026-07-02T16:51:38Z
  audio: Bụi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.879
    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: 0.403
    additional property: Energy
      type: PropertyValue
      value: 0.328
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.701
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.139
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.334
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

25
type: MusicAlbum
date published: 2020-12-16

Hoàng Dũng Live at Hội Đồng Hội 2020
type: MusicAlbum
date published: 2020-12-28
track: Đôi Lời Tình Ca - Live at Hội Đồng Hội 2020
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289800
  explicit: false
  by artist: Hoàng Dũng
  in album: Hoàng Dũng Live at Hội Đồng Hội 2020
    type: MusicAlbum
    date published: 2020-12-28
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0R2000211
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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    value: 2026-07-05T09:12:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa80c0f72f48b3447e6e04c76359f42963471700e7d115b6323932ac8b6c9e69e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956790
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0R2000211
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T12:31:54Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa80c0f72f48b3447e6e04c76359f42963471700e7d115b6323932ac8b6c9e69e. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0R2000211.
    date published: 2026-07-05T12:31:54Z
  audio: Đôi Lời Tình Ca - Live at Hội Đồng Hội 2020
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.375
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.293
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.444
    additional property: Key Name
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    additional property: Mode Name
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track: Yếu Đuối - Live at Hội Đồng Hội 2020
  type: MusicRecording
  duration: PT5M25S
  duration ms: 325000
  explicit: false
  by artist: Hoàng Dũng
  in album: Hoàng Dũng Live at Hội Đồng Hội 2020
    type: MusicAlbum
    date published: 2020-12-28
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0R2000214
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5c1451c6acf93bb88cf11ee9b77a80224ad5b357631063048111908eaee6e314
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0R2000214
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:04Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c1451c6acf93bb88cf11ee9b77a80224ad5b357631063048111908eaee6e314. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0R2000214.
    date published: 2026-07-13T18:21:04Z
  audio: Yếu Đuối - Live at Hội Đồng Hội 2020
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 175.339
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -10.802
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Gói Nắng Mang Về
type: MusicAlbum
date published: 2021-05-12

Gói Nắng Mang Về
type: MusicAlbum
date published: 2021-05-23
track: Gói Nắng Mang Về
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279272
  explicit: false
  by artist: Hoàng Dũng
  in album: Gói Nắng Mang Về
    type: MusicAlbum
    date published: 2021-05-23
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FR96X2191775
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T23:37:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x51109c12955eccd81923e7ee6e42ca41ac7ceecb43fc36548d8631b9790f92f5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958489
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958489
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2191775
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:13:26Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51109c12955eccd81923e7ee6e42ca41ac7ceecb43fc36548d8631b9790f92f5. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2191775.
    date published: 2026-07-18T04:13:26Z
  audio: Gói Nắng Mang Về
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.004
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.697
    additional property: Energy
      type: PropertyValue
      value: 0.847
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.178
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.272
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.419
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.137
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Yêu Xa Hoá Gần
type: MusicAlbum
date published: 2021-06-12
track: Yêu Xa Hoá Gần
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186902
  explicit: false
  by artist: Hoàng Dũng
  in album: Yêu Xa Hoá Gần
    type: MusicAlbum
    date published: 2021-06-12
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FRX202123603
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T09:24:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x805f5b65df9b88e086cb97d9b806a1b04c5e7d82912d4384a43c2d46378db066
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958137
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958137
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX202123603
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T12:25:51Z
  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 0x805f5b65df9b88e086cb97d9b806a1b04c5e7d82912d4384a43c2d46378db066. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:25:51Z), 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/FRX202123603.
    date published: 2026-07-15T12:25:51Z
  audio: Yêu Xa Hoá Gần
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.988
    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: 0.776
    additional property: Energy
      type: PropertyValue
      value: 0.691
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.484
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.073
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.33
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.127
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Mùa Hè Bất Tận
type: MusicAlbum
date published: 2021-10-28

Thói Quen (25 mét vuông) [feat. Gducky]
type: MusicAlbum
date published: 2021-11-21

Nửa Thập Kỷ (25 Mét Vuông)
type: MusicAlbum
date published: 2021-11-28

Vì Một Câu Nói (25 Mét Vuông)
type: MusicAlbum
date published: 2021-12-05
track: Vì Một Câu Nói (25 Mét Vuông)
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314680
  explicit: false
  by artist: Hoàng Dũng
  in album: Vì Một Câu Nói (25 Mét Vuông)
    type: MusicAlbum
    date published: 2021-12-05
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1924260
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T09:32:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x09ced36968dc9618cccae59be99b95c0fd5276b0cc2dc3f60f5163631fc98e8b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958140
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958140
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1924260
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T12:35:58Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ced36968dc9618cccae59be99b95c0fd5276b0cc2dc3f60f5163631fc98e8b. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:35:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1924260.
    date published: 2026-07-15T12:35:58Z
  audio: Vì Một Câu Nói (25 Mét Vuông)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.123
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.331
    additional property: Energy
      type: PropertyValue
      value: 0.542
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.461
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.213
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.006
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Về Nhà (25 Mét Vuông)
type: MusicAlbum
date published: 2021-12-12
track: Về Nhà (25 Mét Vuông)
  type: MusicRecording
  duration: PT5M2S
  duration ms: 302957
  explicit: false
  by artist: Hoàng Dũng
  in album: Về Nhà (25 Mét Vuông)
    type: MusicAlbum
    date published: 2021-12-12
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1924461
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T14:27:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe2dc26a90ef9579914dafd36c16f95bb7d2e019d1b7fbb26ac7a344689fbd83d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1924461
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2dc26a90ef9579914dafd36c16f95bb7d2e019d1b7fbb26ac7a344689fbd83d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1924461.
    date published: 2026-07-05T01:12:41Z
  audio: Về Nhà (25 Mét Vuông)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.875
    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: 0.423
    additional property: Energy
      type: PropertyValue
      value: 0.642
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.64
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.01
    additional property: Liveness
      type: PropertyValue
      value: 0.238
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.267
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.03
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Bữa Tiệc Của Giác Quan (25 Mét Vuông)
type: MusicAlbum
date published: 2021-12-19

25 Mét Vuông
type: MusicAlbum
date published: 2021-12-19
track: Thói Quen (25 Mét Vuông) [feat. Gducky]
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279857
  explicit: false
  by artist: Hoàng Dũng
  in album: 25 Mét Vuông
    type: MusicAlbum
    date published: 2021-12-19
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1923572
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T09:28:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7123e73f96140c39ba1dc51b52c2f9fc0f52d7ef8b0b550c4a95eb004d49f7d1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958857
  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1923572
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T09:45:25Z
  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 0x7123e73f96140c39ba1dc51b52c2f9fc0f52d7ef8b0b550c4a95eb004d49f7d1. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/VNA0M1923572.
    date published: 2026-07-20T09:45:25Z
  audio: Thói Quen (25 Mét Vuông) [feat. Gducky]
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.256
    additional property: Key Name
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    additional property: Mode Name
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track: Nửa Thập Kỷ (25 Mét Vuông)
  type: MusicRecording
  duration: PT5M2S
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  explicit: false
  by artist: Hoàng Dũng
  in album: 25 Mét Vuông
    type: MusicAlbum
    date published: 2021-12-19
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  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/VNA0M1923935
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T16:13:26Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcf4c951b69cce5f0f2f51421a86643e146ced0022b4cd83e0ddfae10de39eeb. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1923935.
    date published: 2026-07-19T16:13:26Z
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    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Về Nhà (25 Mét Vuông)
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  by artist: Hoàng Dũng
  in album: 25 Mét Vuông
    type: MusicAlbum
    date published: 2021-12-19
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  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: Về Nhà (25 Mét Vuông)

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xe2dc26a90ef9579914dafd36c16f95bb7d2e019d1b7fbb26ac7a344689fbd83d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956826

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956826

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1924461

OTSTimestamp
type: PropertyValue
value: 2026-07-05T19:27:56Z

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 0xe2dc26a90ef9579914dafd36c16f95bb7d2e019d1b7fbb26ac7a344689fbd83d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/VNA0M1924461.
date published: 2026-07-05T19:27:56Z

Về Nhà (25 Mét Vuông)
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
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additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Cảm Ơn Nhà
type: MusicAlbum
date published: 2021-12-27

Một Điều Chưa Nói
type: MusicAlbum
date published: 2022-01-21

Tôi Muốn Làm Cái Cây
type: MusicAlbum
date published: 2022-05-21

Nắng Thủy Tinh
type: MusicAlbum
date published: 2022-06-17

Đoạn Kết Mới
type: MusicAlbum
date published: 2022-07-28

Yên
type: MusicAlbum
date published: 2022-08-24

Đoạn Kết Mới (Piano Version)
type: MusicAlbum
date published: 2022-11-25
track: Đoạn Kết Mới - Piano Version
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  duration: PT4M52S
  duration ms: 292383
  explicit: false
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  in album: Đoạn Kết Mới (Piano Version)
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    date published: 2022-11-25
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958203
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA072233918
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1381785f83abfea8696abf62515fbc01dc4c1514fa68e18b8b5598c613831c69. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:45:31Z), 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/DGA072233918.
    date published: 2026-07-15T23:45:31Z
  audio: Đoạn Kết Mới - Piano Version
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.443
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.702
    additional property: Key Name
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    additional property: Mode Name
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Đôi Mươi (Remix)
type: MusicAlbum
date published: 2023-05-10

Yên Concert
type: MusicAlbum
date published: 2023-05-24
track: Về nhà - Live At Yên Concert
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  duration: PT5M4S
  duration ms: 304000
  explicit: false
  by artist: Hoàng Dũng
  in album: Yên Concert
    type: MusicAlbum
    date published: 2023-05-24
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-06-29T23:51:18+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762386480
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0239cf733e7d645c6d7e2e53adeceee9612518970f334106e90e05d7cf6ba572. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762386480.
    date published: 2026-07-02T16:51:38Z
  audio: Về nhà - Live At Yên Concert
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    additional property: Tempo (BPM)
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    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: 0.414
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.854
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.35
    additional property: Key Name
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    additional property: Mode Name
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track: Vì một câu nói - Live At Yên Concert
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  duration: PT5M14S
  duration ms: 314000
  explicit: false
  by artist: Hoàng Dũng
  in album: Yên Concert
    type: MusicAlbum
    date published: 2023-05-24
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762386481
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44eb54452069a6ed3d2273affb2db1eed3b52c6e46a6ef0476924b70532005d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762386481.
    date published: 2026-07-02T16:51:38Z
  audio: Vì một câu nói - Live At Yên Concert
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.264
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.938
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
      value: Major
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  duration: PT6M18S
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  explicit: false
  by artist: Hoàng Dũng
  in album: Yên Concert
    type: MusicAlbum
    date published: 2023-05-24
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FRX762386485
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  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: Bữa tiệc của giác quan - Live At Yên Concert

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x286188fc72a3a8cee23d48ea2dbf783303c3bc83aabb3b3994760b41388bef68

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 956500

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956500

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762386485

OTSTimestamp
type: PropertyValue
value: 2026-07-03T13:55:21Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x286188fc72a3a8cee23d48ea2dbf783303c3bc83aabb3b3994760b41388bef68. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/FRX762386485.
date published: 2026-07-03T13:55:21Z

Bữa tiệc của giác quan - Live At Yên Concert
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additional property: Tempo (BPM)
  type: PropertyValue
  value: 135.998
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.44
additional property: Energy
  type: PropertyValue
  value: 0.836
additional property: Speechiness
  type: PropertyValue
  value: 0.053
additional property: Acousticness
  type: PropertyValue
  value: 0.298
additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
  type: PropertyValue
  value: -4.523
additional property: Key Name
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  value: Bb
additional property: Mode Name
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