Chí
type: MusicGroup
genre: vietnamese lo-fi
popularity: 38
followers: 10082
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39ea27eb6204c8fa5fefcde77a0ac6eecfd567ce48097726b3ee4fa1bfc02bc1
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/3cfdb263-5c8a-4f9a-a9b5-667440d9a348.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3cfdb263-5c8a-4f9a-a9b5-667440d9a348.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3cfdb263-5c8a-4f9a-a9b5-667440d9a348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39ea27eb6204c8fa5fefcde77a0ac6eecfd567ce48097726b3ee4fa1bfc02bc1","name":"Chí","registered_at":"2026-06-11T17:11:01Z","symbol":"NIM0078076","token_address":"0x33220bc7415444c9a6c53d6092b55b02945af1a2","type":"artist","uuid":"3cfdb263-5c8a-4f9a-a9b5-667440d9a348"}
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 0x39ea27eb6204c8fa5fefcde77a0ac6eecfd567ce48097726b3ee4fa1bfc02bc1. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3cfdb263-5c8a-4f9a-a9b5-667440d9a348.json and https://artists.proofprofile.net/proofs/artist/3cfdb263-5c8a-4f9a-a9b5-667440d9a348.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x39ea27eb6204c8fa5fefcde77a0ac6eecfd567ce48097726b3ee4fa1bfc02bc1","name":"Chí","registered_at":"2026-06-11T17:11:01Z","symbol":"NIM0078076","token_address":"0x33220bc7415444c9a6c53d6092b55b02945af1a2","type":"artist","uuid":"3cfdb263-5c8a-4f9a-a9b5-667440d9a348"}
album: Thả Tình Yêu Vào Nắng
  type: MusicAlbum
  date published: 2021-01-04
album: cuộc gọi nhỡ hôm ấy sao em không một lần gọi lại
  type: MusicAlbum
  date published: 2021-03-04
album: lời yêu thương xin đôi ta đừng để dành
  type: MusicAlbum
  date published: 2021-03-04
album: cuộc gọi nhỡ hôm ấy sao em không một lần gọi lại
  type: MusicAlbum
  date published: 2021-03-04
album: anh đâu muốn cô đơn nếu như màn đêm không chợt lặng thinh
  type: MusicAlbum
  date published: 2021-04-23
album: Mai này em sẽ hiểu
  type: MusicAlbum
  date published: 2021-05-29
album: Mai này em sẽ hiểu
  type: MusicAlbum
  date published: 2021-05-29
album: Còn chút gì để nhớ
  type: MusicAlbum
  date published: 2021-06-13
  track: Còn chút gì để nhớ
    type: MusicRecording
    duration: PT3M8S
    duration ms: 188541
    explicit: false
    by artist: Chí
    in album: Còn chút gì để nhớ
      type: MusicAlbum
      date published: 2021-06-13
    genre: vietnamese lo-fi
    isrc code: QZHNC2109226
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T14:35:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe31abb775f1869228f6b7589ba2ff43cb467ddb358d382ab3441ddb1bbed1ea2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2109226
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe31abb775f1869228f6b7589ba2ff43cb467ddb358d382ab3441ddb1bbed1ea2. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2109226.
      date published: 2026-07-05T01:43:49Z
    audio: Còn chút gì để nhớ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 143.969
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.523
      additional property: Energy
        type: PropertyValue
        value: 0.347
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.943
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.942
      additional property: Liveness
        type: PropertyValue
        value: 0.113
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.198
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.811
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 9:50 PM
  type: MusicAlbum
  date published: 2021-06-13
album: Vẫn ổn kể cả khi tình yêu đã ngủ quên
  type: MusicAlbum
  date published: 2021-06-18
album: Lời yêu vấn vương trong nắng
  type: MusicAlbum
  date published: 2021-06-22
album: Chí Vera Madsen
  type: MusicAlbum
  date published: 2021-07-22
  track: ngày mai luôn có nắng trên đầu
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202620
    explicit: false
    by artist: Chí
    in album: Chí Vera Madsen
      type: MusicAlbum
      date published: 2021-07-22
    genre: vietnamese lo-fi
    isrc code: QZK6K2112909
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T17:32:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x204985985ae6a20926eaa71fd64b9211c442638abe94bddecf816d90a7e35c4c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958448
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958448
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2112909
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:49:21Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x204985985ae6a20926eaa71fd64b9211c442638abe94bddecf816d90a7e35c4c. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2112909.
      date published: 2026-07-17T19:49:21Z
    audio: ngày mai luôn có nắng trên đầu
  track: thì ra trong mưa cũng có nỗi buồn em nhỉ?
  track: rồi tình yêu mới sẽ tốt hơn "chúng ta"
  track: ngày sau còn gặp lại
album: tha tinh yeu vao nang 2
album: co mot hom troi do mua
album: co mot hom troi do mua (Special Version)
album: Di qua mien ky uc
album: chuyen tau mot chieu khong tro lai
album: Ngay mot nguoi khong con la tat ca (piano)
album: Co ay tha chet chu khong muon chu dong
album: những ngày mùa hạ đi qua có cơn mưa rào
album: em có muốn nắm mùa hạ trong bàn tay?
album: ngày ấy thật đẹp khi có nắng, có em
album: một chiều mưa thôi nhớ
album: co hai nguoi chang the yeu
album: và nếu không thể yêu xin hãy tha thứ
album: những ngày rong ruổi cô đơn
album: Lời yêu thương buồn nhất
album: Bản ngã
album: chiều trở về trong tiếc thương
album: bên hiên chiều mưa những ngày cuối hạ
album: chậm lại một chút thôi những ngày giông bão
album: mua ha nam ay doi ta lac loi
album: bao nhiêu mùa mưa là bấy nhiêu mùa anh nhớ
album: mình chia tay rồi phải không?
album: chúng ta của thập niên 2010s
album: đi ngang qua những dòng nhật ký của nhau
album: như hạt mưa vương ngày đông
album: Mùa của những kỷ niệm…
album: Ta để lỡ nhau thật rồi!
album: Chỉ mong sau này gặp lại
album: Hôm nay đời bỗng hóa buồn
album: trời lạnh rồi, em biết không?
album: Lối đi xưa sao giờ dài thêm nỗi nhớ
album: tình yêu là khi em cười!
album: ngay gan nhau chang con bao lau
album: Có bao giờ em nhớ?
album: Như cơn mưa đầu mùa
album: vet nang cuoi cua thanh xuan
album: rồi cơn mưa cũng qua
album: Nếu anh không còn gần bên
album: từ ngày anh bỏ đi
album: chúng ta không thể nuôi nhau bằng những ánh sao trời
album: Co mot hom troi do mua 2
album: điều đáng tiếc nhất của chúng ta là bỏ lỡ nhau
album: anh im lặng còn em cũng chẳng ngỏ lời
album: một mình anh với bóng mình là hai...
album: nếu như tôi nói nhớ thì em có trở về không?
album: Đôi ta là những mảnh ghép không hoàn hảo
album: tình cảm em dành cho tôi cũng giống như bài nhạc này vậy, không lời hồi đáp
album: lạnh rồi nhưng chẳng còn nhớ nổi tên ai
album: bao lâu để thôi mong chờ?
album: vibe 2022
album: người trở về chẳng còn là người cũ đã ra đi
album: chẳng ai còn nhớ cũng chẳng ai muốn nhớ

ngày mai luôn có nắng trên đầu
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 124.01
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: 0.597
additional property: Energy
  type: PropertyValue
  value: 0.411
additional property: Speechiness
  type: PropertyValue
  value: 0.032
additional property: Acousticness
  type: PropertyValue
  value: 0.944
additional property: Instrumentalness
  type: PropertyValue
  value: 0.939
additional property: Liveness
  type: PropertyValue
  value: 0.113
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.175
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.398
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

thì ra trong mưa cũng có nỗi buồn em nhỉ?
type: MusicRecording
duration: PT2M45S
duration ms: 165714
explicit: false
by artist: Chí
in album: Chí Vera Madsen
  type: MusicAlbum
  date published: 2021-07-22
genre: vietnamese lo-fi
isrc code: QZK6K2112910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T14:03:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3968bfeb066b8e74098d28214b81d465bc29ec621773a6be00bc315635ded7e5
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/QZK6K2112910
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 0x3968bfeb066b8e74098d28214b81d465bc29ec621773a6be00bc315635ded7e5. 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/QZK6K2112910.
  date published: 2026-07-03T19:59:51Z
audio: thì ra trong mưa cũng có nỗi buồn em nhỉ?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.015
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.483
  additional property: Energy
    type: PropertyValue
    value: 0.439
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.947
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.26
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.209
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

rồi tình yêu mới sẽ tốt hơn "chúng ta"
type: MusicRecording
duration: PT2M55S
duration ms: 175523
explicit: false
by artist: Chí
in album: Chí Vera Madsen
  type: MusicAlbum
  date published: 2021-07-22
genre: vietnamese lo-fi
isrc code: QZK6K2112911
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T17:33:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe3c6d7f395457f205de71a1991619a2fc90439923f3c197a5d98b7da585eab42
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958594
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958594
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2112911
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T18:05:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3c6d7f395457f205de71a1991619a2fc90439923f3c197a5d98b7da585eab42. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2112911.
  date published: 2026-07-18T18:05:01Z
audio: rồi tình yêu mới sẽ tốt hơn "chúng ta"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 67.969
  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: 0.341
  additional property: Energy
    type: PropertyValue
    value: 0.445
  additional property: Speechiness
    type: PropertyValue
    value: 0.08
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.977
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.118
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.563
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

ngày sau còn gặp lại
type: MusicRecording
duration: PT3M11S
duration ms: 191901
explicit: false
by artist: Chí
in album: Chí Vera Madsen
  type: MusicAlbum
  date published: 2021-07-22
genre: vietnamese lo-fi
isrc code: QZK6K2112912
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T18:26:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32df5b8ddd80041d293b9f606f4f8aca6dab7e1834ba4dbfba8b1a45aa7ebcf0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958924
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958924
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2112912
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T21:28:37Z
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 0x32df5b8ddd80041d293b9f606f4f8aca6dab7e1834ba4dbfba8b1a45aa7ebcf0. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:28:37Z), 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/QZK6K2112912.
  date published: 2026-07-20T21:28:37Z
audio: ngày sau còn gặp lại
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.947
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.564
  additional property: Energy
    type: PropertyValue
    value: 0.314
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.889
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.096
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.134
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

tha tinh yeu vao nang 2
type: MusicAlbum
date published: 2021-09-05
track: tha tinh yeu vao nang 2
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198375
  explicit: false
  by artist: Chí
  in album: tha tinh yeu vao nang 2
    type: MusicAlbum
    date published: 2021-09-05
  genre: vietnamese lo-fi
  isrc code: QZMEM2135262
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T10:38:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x55798f97dc683e24b97e753626af98da53a377523d94947644b9d33bc7679d84
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958152
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958152
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2135262
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T12:00:27Z
  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 0x55798f97dc683e24b97e753626af98da53a377523d94947644b9d33bc7679d84. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/QZMEM2135262.
    date published: 2026-07-15T12:00:27Z
  audio: tha tinh yeu vao nang 2
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.021
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.396
    additional property: Energy
      type: PropertyValue
      value: 0.414
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.85
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.932
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.332
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.835
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

co mot hom troi do mua
type: MusicAlbum
date published: 2021-10-20

co mot hom troi do mua (Special Version)
type: MusicAlbum
date published: 2021-10-27

Di qua mien ky uc
type: MusicAlbum
date published: 2021-12-20

chuyen tau mot chieu khong tro lai
type: MusicAlbum
date published: 2022-01-26

Ngay mot nguoi khong con la tat ca (piano)
type: MusicAlbum
date published: 2022-02-14

Co ay tha chet chu khong muon chu dong
type: MusicAlbum
date published: 2022-03-27

những ngày mùa hạ đi qua có cơn mưa rào
type: MusicAlbum
date published: 2022-04-12

em có muốn nắm mùa hạ trong bàn tay?
type: MusicAlbum
date published: 2022-05-13

ngày ấy thật đẹp khi có nắng, có em
type: MusicAlbum
date published: 2022-05-30
track: ngày ấy thật đẹp khi có nắng, có em
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183250
  explicit: false
  by artist: Chí
  in album: ngày ấy thật đẹp khi có nắng, có em
    type: MusicAlbum
    date published: 2022-05-30
  genre: vietnamese lo-fi
  isrc code: QZK6Q2261999
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T11:44:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x00feb5f26ec0103da05c141133513e683447270c9fb73cc1b8d185a2de080757
  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/QZK6Q2261999
  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 0x00feb5f26ec0103da05c141133513e683447270c9fb73cc1b8d185a2de080757. 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/QZK6Q2261999.
    date published: 2026-07-18T12:14:37Z
  audio: ngày ấy thật đẹp khi có nắng, có em
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.726
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.335
    additional property: Energy
      type: PropertyValue
      value: 0.396
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.645
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.938
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.137
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.328
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

một chiều mưa thôi nhớ
type: MusicAlbum
date published: 2022-06-09

co hai nguoi chang the yeu
type: MusicAlbum
date published: 2022-06-17
track: co hai nguoi chang the yeu
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188322
  explicit: false
  by artist: Chí
  in album: co hai nguoi chang the yeu
    type: MusicAlbum
    date published: 2022-06-17
  genre: vietnamese lo-fi
  isrc code: QZK6L2225251
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T22:31:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb9f5efd99632a9ecfbbad7d05525dde331886357f9bd320954a1ea5816990a58
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956420
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956420
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2225251
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T00:42:11Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9f5efd99632a9ecfbbad7d05525dde331886357f9bd320954a1ea5816990a58. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2225251.
    date published: 2026-07-03T00:42:11Z
  audio: co hai nguoi chang the yeu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.013
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.604
    additional property: Energy
      type: PropertyValue
      value: 0.416
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.789
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.906
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.174
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.845
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

và nếu không thể yêu xin hãy tha thứ
type: MusicAlbum
date published: 2022-07-04

những ngày rong ruổi cô đơn
type: MusicAlbum
date published: 2022-07-09

Lời yêu thương buồn nhất
type: MusicAlbum
date published: 2022-07-25

Bản ngã
type: MusicAlbum
date published: 2022-08-08

chiều trở về trong tiếc thương
type: MusicAlbum
date published: 2022-08-12
track: chiều trở về trong tiếc thương
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206788
  explicit: false
  by artist: Chí
  in album: chiều trở về trong tiếc thương
    type: MusicAlbum
    date published: 2022-08-12
  genre: vietnamese lo-fi
  isrc code: QZNWQ2249945
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T19:16:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0292be8c16a216fb161da93db07bad6ce089caf8dccc39d139067946ada4fb66
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958054
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958054
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2249945
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T19:33:24Z
  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 0x0292be8c16a216fb161da93db07bad6ce089caf8dccc39d139067946ada4fb66. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/QZNWQ2249945.
    date published: 2026-07-14T19:33:24Z
  audio: chiều trở về trong tiếc thương
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.044
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.63
    additional property: Energy
      type: PropertyValue
      value: 0.278
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.702
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.077
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.382
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

bên hiên chiều mưa những ngày cuối hạ
type: MusicAlbum
date published: 2022-08-20
track: bên hiên chiều mưa những ngày cuối hạ
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190173
  explicit: false
  by artist: Chí
  in album: bên hiên chiều mưa những ngày cuối hạ
    type: MusicAlbum
    date published: 2022-08-20
  genre: vietnamese lo-fi
  isrc code: QZNWS2209141
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T16:44:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x48ce7f8fd039166a040c06f166d26d943c6ec246abd2dc3e2578bef69fef3ca7
  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/QZNWS2209141
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T17:49:48Z
  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 0x48ce7f8fd039166a040c06f166d26d943c6ec246abd2dc3e2578bef69fef3ca7. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZNWS2209141.
    date published: 2026-07-19T17:49:48Z
  audio: bên hiên chiều mưa những ngày cuối hạ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.07
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.56
    additional property: Energy
      type: PropertyValue
      value: 0.265
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.969
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.531
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.104
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.716
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

chậm lại một chút thôi những ngày giông bão
type: MusicAlbum
date published: 2022-08-25

mua ha nam ay doi ta lac loi
type: MusicAlbum
date published: 2022-09-01

bao nhiêu mùa mưa là bấy nhiêu mùa anh nhớ
type: MusicAlbum
date published: 2022-09-05

mình chia tay rồi phải không?
type: MusicAlbum
date published: 2022-09-08

chúng ta của thập niên 2010s
type: MusicAlbum
date published: 2022-09-15

đi ngang qua những dòng nhật ký của nhau
type: MusicAlbum
date published: 2022-09-17

như hạt mưa vương ngày đông
type: MusicAlbum
date published: 2022-09-22

Mùa của những kỷ niệm…
type: MusicAlbum
date published: 2022-09-28

Ta để lỡ nhau thật rồi!
type: MusicAlbum
date published: 2022-10-05

Chỉ mong sau này gặp lại
type: MusicAlbum
date published: 2022-10-21

Hôm nay đời bỗng hóa buồn
type: MusicAlbum
date published: 2022-11-30

trời lạnh rồi, em biết không?
type: MusicAlbum
date published: 2022-12-23
track: trời lạnh rồi, em biết không?
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177711
  explicit: true
  by artist: Chí
  in album: trời lạnh rồi, em biết không?
    type: MusicAlbum
    date published: 2022-12-23
  genre: vietnamese lo-fi
  isrc code: QZTB92296903
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T08:25:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcb1f6ac69960c06058186b117da6b16495336ef49c90cc7a1c65a1cad3f3b613
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB92296903
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb1f6ac69960c06058186b117da6b16495336ef49c90cc7a1c65a1cad3f3b613. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB92296903.
    date published: 2026-07-04T10:04:33Z
  audio: trời lạnh rồi, em biết không?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 37.701
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.555
    additional property: Energy
      type: PropertyValue
      value: 0.383
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.943
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.811
    additional property: Liveness
      type: PropertyValue
      value: 0.118
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.227
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.75
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Lối đi xưa sao giờ dài thêm nỗi nhớ
type: MusicAlbum
date published: 2022-12-30

tình yêu là khi em cười!
type: MusicAlbum
date published: 2023-01-04

ngay gan nhau chang con bao lau
type: MusicAlbum
date published: 2023-01-13
track: ngay gan nhau chang con bao lau
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196399
  explicit: true
  by artist: Chí
  in album: ngay gan nhau chang con bao lau
    type: MusicAlbum
    date published: 2023-01-13
  genre: vietnamese lo-fi
  isrc code: QZFZ22311094
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T22:00:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd9ca3a81d73e9d987d656217caa81a9d54e485f356ba1893da328255553e2099
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958208
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958208
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22311094
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T22:40:25Z
  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 0xd9ca3a81d73e9d987d656217caa81a9d54e485f356ba1893da328255553e2099. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/QZFZ22311094.
    date published: 2026-07-15T22:40:25Z
  audio: ngay gan nhau chang con bao lau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.046
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.535
    additional property: Energy
      type: PropertyValue
      value: 0.375
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.978
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.561
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.268
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.201
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Có bao giờ em nhớ?
type: MusicAlbum
date published: 2023-01-27

Như cơn mưa đầu mùa
type: MusicAlbum
date published: 2023-02-02

vet nang cuoi cua thanh xuan
type: MusicAlbum
date published: 2023-02-10

rồi cơn mưa cũng qua
type: MusicAlbum
date published: 2023-02-15

Nếu anh không còn gần bên
type: MusicAlbum
date published: 2023-03-19

từ ngày anh bỏ đi
type: MusicAlbum
date published: 2023-05-17

chúng ta không thể nuôi nhau bằng những ánh sao trời
type: MusicAlbum
date published: 2023-06-20

Co mot hom troi do mua 2
type: MusicAlbum
date published: 2023-09-08

điều đáng tiếc nhất của chúng ta là bỏ lỡ nhau
type: MusicAlbum
date published: 2023-09-19

anh im lặng còn em cũng chẳng ngỏ lời
type: MusicAlbum
date published: 2023-09-27

một mình anh với bóng mình là hai...
type: MusicAlbum
date published: 2023-10-05

nếu như tôi nói nhớ thì em có trở về không?
type: MusicAlbum
date published: 2023-10-24

Đôi ta là những mảnh ghép không hoàn hảo
type: MusicAlbum
date published: 2023-11-10

tình cảm em dành cho tôi cũng giống như bài nhạc này vậy, không lời hồi đáp
type: MusicAlbum
date published: 2023-11-29
track: tình cảm em dành cho tôi cũng giống như bài nhạc này vậy, không lời hồi đáp
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212298
  explicit: false
  by artist: Chí
  in album: tình cảm em dành cho tôi cũng giống như bài nhạc này vậy, không lời hồi đáp
    type: MusicAlbum
    date published: 2023-11-29
  genre: vietnamese lo-fi
  isrc code: QZWFH2373989
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T19:16:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2d95ce5d2744a1400dcc8806e60fb056dabda1e3dd51881ac8ec0fcb98705498
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958054
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958054
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFH2373989
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T19:33:24Z
  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 0x2d95ce5d2744a1400dcc8806e60fb056dabda1e3dd51881ac8ec0fcb98705498. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/QZWFH2373989.
    date published: 2026-07-14T19:33:24Z
  audio: tình cảm em dành cho tôi cũng giống như bài nhạc này vậy, không lời hồi đáp
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.058
    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: 0.529
    additional property: Energy
      type: PropertyValue
      value: 0.34
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.856
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.525
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.104
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.109
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

lạnh rồi nhưng chẳng còn nhớ nổi tên ai
type: MusicAlbum
date published: 2023-12-07

bao lâu để thôi mong chờ?
type: MusicAlbum
date published: 2023-12-15
track: bao lâu để thôi mong chờ?
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193711
  explicit: false
  by artist: Chí
  in album: bao lâu để thôi mong chờ?
    type: MusicAlbum
    date published: 2023-12-15
  genre: vietnamese lo-fi
  isrc code: QZWFN2319668
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T10:37:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8c125f162ec2c8a5b2faa499982051e91db532c63e391dcba5d31cda5e4d25cc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFN2319668
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c125f162ec2c8a5b2faa499982051e91db532c63e391dcba5d31cda5e4d25cc. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFN2319668.
    date published: 2026-07-05T18:48:28Z
  audio: bao lâu để thôi mong chờ?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.423
    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: 0.333
    additional property: Energy
      type: PropertyValue
      value: 0.605
    additional property: Speechiness
      type: PropertyValue
      value: 0.096
    additional property: Acousticness
      type: PropertyValue
      value: 0.911
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.209
    additional property: Liveness
      type: PropertyValue
      value: 0.247
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.207
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.626
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

vibe 2022
type: MusicAlbum
date published: 2024-02-16

người trở về chẳng còn là người cũ đã ra đi
type: MusicAlbum
date published: 2024-02-29
track: người trở về chẳng còn là người cũ đã ra đi
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218346
  explicit: false
  by artist: Chí
  in album: người trở về chẳng còn là người cũ đã ra đi
    type: MusicAlbum
    date published: 2024-02-29
  genre: vietnamese lo-fi
  isrc code: QZES92406070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T17:56:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9d7dff7d6c8eb19a6936a69741c7811d118b9caef23ccba9e66e66842fbe06d3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958601
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958601
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92406070
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T19:27:02Z
  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 0x9d7dff7d6c8eb19a6936a69741c7811d118b9caef23ccba9e66e66842fbe06d3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92406070.
    date published: 2026-07-18T19:27:02Z
  audio: người trở về chẳng còn là người cũ đã ra đi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.055
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.463
    additional property: Energy
      type: PropertyValue
      value: 0.437
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.558
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.831
    additional property: Liveness
      type: PropertyValue
      value: 0.132
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.188
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.769
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

chẳng ai còn nhớ cũng chẳng ai muốn nhớ
type: MusicAlbum
date published: 2024-03-14

khong phai anh muon oan trach em ma lam chi.. (Special Version)
type: MusicAlbum
date published: 2024-03-22
track: khong phai anh muon oan trach em ma lam chi.. - Special Version
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178350
  explicit: true
  by artist: Chí
  in album: khong phai anh muon oan trach em ma lam chi.. (Special Version)
    type: MusicAlbum
    date published: 2024-03-22
  genre: vietnamese lo-fi
  isrc code: QZHN82431140
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T03:23:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1ee8ac3baf1ba2e25662d0ea3b2f965adef1334df14a7f2edeb45b8b1fafe80b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82431140
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ee8ac3baf1ba2e25662d0ea3b2f965adef1334df14a7f2edeb45b8b1fafe80b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82431140.
    date published: 2026-07-04T10:04:33Z
  audio: khong phai anh muon oan trach em ma lam chi.. - Special Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 75.989
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.487
    additional property: Energy
      type: PropertyValue
      value: 0.542
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.941
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.901
    additional property: Liveness
      type: PropertyValue
      value: 0.129
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.38
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.199
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

như đám mây tháng bảy chứa nặng mưa rào
type: MusicAlbum
date published: 2024-04-08
track: như đám mây tháng bảy chứa nặng mưa rào
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198360
  explicit: true
  by artist: Chí
  in album: như đám mây tháng bảy chứa nặng mưa rào
    type: MusicAlbum
    date published: 2024-04-08
  genre: vietnamese lo-fi
  isrc code: QZK6Q2424329
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T17:29:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8c856d11301f76319e01bfa32b0fe4dc20f360595c8a519771e3dcd62072f54e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958601
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958601
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2424329
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T19:27:02Z
  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 0x8c856d11301f76319e01bfa32b0fe4dc20f360595c8a519771e3dcd62072f54e. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2424329.
    date published: 2026-07-18T19:27:02Z
  audio: như đám mây tháng bảy chứa nặng mưa rào
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.076
    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: 0.415
    additional property: Energy
      type: PropertyValue
      value: 0.367
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.977
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.223
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.202
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

gió đưa mưa về ngang phố, em có hay chưa?
type: MusicAlbum
date published: 2024-04-21
track: gió đưa mưa về ngang phố, em có hay chưa?
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187346
  explicit: true
  by artist: Chí
  in album: gió đưa mưa về ngang phố, em có hay chưa?
    type: MusicAlbum
    date published: 2024-04-21
  genre: vietnamese lo-fi
  isrc code: QZK6L2468029
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T13:23:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xebc4c5f1b9bf13e6899bfc1fb2752fb80d7cc3a171f376969e73241ec60458a5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958316
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958316
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2468029
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T19:42:29Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebc4c5f1b9bf13e6899bfc1fb2752fb80d7cc3a171f376969e73241ec60458a5. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2468029.
    date published: 2026-07-16T19:42:29Z
  audio: gió đưa mưa về ngang phố, em có hay chưa?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.945
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.46
    additional property: Energy
      type: PropertyValue
      value: 0.54
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.913
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.171
    additional property: Liveness
      type: PropertyValue
      value: 0.131
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.231
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.842
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

có ánh mắt miên man giữa mùa hạ lang thang
type: MusicAlbum
date published: 2024-05-06
track: có ánh mắt miên man giữa mùa hạ lang thang
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208096
  explicit: false
  by artist: Chí
  in album: có ánh mắt miên man giữa mùa hạ lang thang
    type: MusicAlbum
    date published: 2024-05-06
  genre: vietnamese lo-fi
  isrc code: QZK6G2473451
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T20:42:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1718b340e77c609492d10608893f5a65ac04105d7d9db0dd8e9892ff763f892a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956738
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6G2473451
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T04:47:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1718b340e77c609492d10608893f5a65ac04105d7d9db0dd8e9892ff763f892a. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6G2473451.
    date published: 2026-07-05T04:47:21Z
  audio: có ánh mắt miên man giữa mùa hạ lang thang
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.202
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.48
    additional property: Energy
      type: PropertyValue
      value: 0.4
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.918
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.6
    additional property: Liveness
      type: PropertyValue
      value: 0.166
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.138
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.306
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Đợi gặp em vào chiều mưa cuối hạ
type: MusicAlbum
date published: 2024-06-19
track: Đợi gặp em vào chiều mưa cuối hạ
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198480
  explicit: false
  by artist: Chí
  in album: Đợi gặp em vào chiều mưa cuối hạ
    type: MusicAlbum
    date published: 2024-06-19
  genre: vietnamese lo-fi
  isrc code: QZNWX2405694
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T14:22:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd57293c469c7b2193fe3b2c9343efb45f4a4a842cb8557f76a7026a604344c4a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWX2405694
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57293c469c7b2193fe3b2c9343efb45f4a4a842cb8557f76a7026a604344c4a. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWX2405694.
    date published: 2026-07-05T01:43:49Z
  audio: Đợi gặp em vào chiều mưa cuối hạ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.978
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.451
    additional property: Energy
      type: PropertyValue
      value: 0.338
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.962
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.915
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.196
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.764
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

liệu rồi em có về cùng với mùa hạ?
type: MusicAlbum
date published: 2024-07-03
track: liệu rồi em có về cùng với mùa hạ?
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187288
  explicit: false
  by artist: Chí
  in album: liệu rồi em có về cùng với mùa hạ?
    type: MusicAlbum
    date published: 2024-07-03
  genre: vietnamese lo-fi
  isrc code: QZPLS2438308
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T03:57:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x011216d8c03bc1bca31637f1da21e86a8b6c181e2fc00de958fa77d0475a2b6f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLS2438308
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x011216d8c03bc1bca31637f1da21e86a8b6c181e2fc00de958fa77d0475a2b6f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZPLS2438308.
    date published: 2026-07-05T10:01:46Z
  audio: liệu rồi em có về cùng với mùa hạ?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.952
    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: 0.413
    additional property: Energy
      type: PropertyValue
      value: 0.524
    additional property: Speechiness
      type: PropertyValue
      value: 0.093
    additional property: Acousticness
      type: PropertyValue
      value: 0.85
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.164
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.171
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.64
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Thất tình thật rồi
type: MusicAlbum
date published: 2024-07-31
track: Thất tình thật rồi
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261364
  explicit: false
  by artist: Chí
  in album: Thất tình thật rồi
    type: MusicAlbum
    date published: 2024-07-31
  genre: vietnamese lo-fi
  isrc code: QZTAY2420673
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T19:31:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc4fc461c3c173be040ff6f90c0658845bf20a291e479ba50d65c09a0834afa36
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958612
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958612
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2420673
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T21:29:37Z
  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 0xc4fc461c3c173be040ff6f90c0658845bf20a291e479ba50d65c09a0834afa36. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/QZTAY2420673.
    date published: 2026-07-18T21:29:37Z
  audio: Thất tình thật rồi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 148.002
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.647
    additional property: Energy
      type: PropertyValue
      value: 0.591
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.742
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.727
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.535
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.214
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Những Dòng Tin Chẳng Thể Xóa
type: MusicAlbum
date published: 2024-10-25
track: Những Dòng Tin Chẳng Thể Xóa
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189046
  explicit: false
  by artist: Chí
  in album: Những Dòng Tin Chẳng Thể Xóa
    type: MusicAlbum
    date published: 2024-10-25
  genre: vietnamese lo-fi
  isrc code: US38Y2427157
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T12:01:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x96f99686872860d788204eca64a46df2f83a048715cb1a71594325a9fec2bf43
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2427157
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 0x96f99686872860d788204eca64a46df2f83a048715cb1a71594325a9fec2bf43. 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/US38Y2427157.
    date published: 2026-07-05T19:27:56Z
  audio: Những Dòng Tin Chẳng Thể Xóa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 73.978
    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: 0.728
    additional property: Energy
      type: PropertyValue
      value: 0.336
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.786
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.363
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.242
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mùa hạ ấy đã đưa em đến bên anh
type: MusicAlbum
date published: 2025-08-03

Mùa hạ ấy đã đưa em đến bên anh
type: MusicAlbum
date published: 2025-08-03

Tạm biệt thời thanh xuân
type: MusicAlbum
date published: 2025-08-29

Nếu anh còn chờ, em có về nữa không?
type: MusicAlbum
date published: 2025-09-10