QUÂN
type: MusicGroup
genre: v-pop
popularity: 21
followers: 189
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf3aae2bbbf63334871616b9933ef28c9cb03e859f313e54da1b2dcb4d8e608b
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/b4c9ed52-7314-4309-a9fa-e65e4d0a2220.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4c9ed52-7314-4309-a9fa-e65e4d0a2220.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b4c9ed52-7314-4309-a9fa-e65e4d0a2220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf3aae2bbbf63334871616b9933ef28c9cb03e859f313e54da1b2dcb4d8e608b","name":"QUÂN","registered_at":"2026-06-12T07:47:43Z","symbol":"NIM0232757","token_address":"0x3afcaeae705dac6bebb7745962ca7005ceacdfd8","type":"artist","uuid":"b4c9ed52-7314-4309-a9fa-e65e4d0a2220"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf3aae2bbbf63334871616b9933ef28c9cb03e859f313e54da1b2dcb4d8e608b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4c9ed52-7314-4309-a9fa-e65e4d0a2220.json and https://artists.proofprofile.net/proofs/artist/b4c9ed52-7314-4309-a9fa-e65e4d0a2220.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xaf3aae2bbbf63334871616b9933ef28c9cb03e859f313e54da1b2dcb4d8e608b","name":"QUÂN","registered_at":"2026-06-12T07:47:43Z","symbol":"NIM0232757","token_address":"0x3afcaeae705dac6bebb7745962ca7005ceacdfd8","type":"artist","uuid":"b4c9ed52-7314-4309-a9fa-e65e4d0a2220"}
album: BAO GIỜ CHO ĐẾN BÂY GIỜ
  type: MusicAlbum
  date published: 2024-09-25
  track: NGÀY EM ĐI
    type: MusicRecording
    duration: PT3M35S
    duration ms: 215005
    explicit: false
    by artist: QUÂN
    in album: BAO GIỜ CHO ĐẾN BÂY GIỜ
      type: MusicAlbum
      date published: 2024-09-25
    genre: v-pop
    isrc code: DGA0L2427115
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T16:36:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xca317b99f8e722ad4abdacd050bee952da82d5a782c9638151464b5db354e2c5
    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/DGA0L2427115
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca317b99f8e722ad4abdacd050bee952da82d5a782c9638151464b5db354e2c5. 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/DGA0L2427115.
      date published: 2026-07-03T19:59:51Z
    audio: NGÀY EM ĐI
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.052
      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: 0.732
      additional property: Energy
        type: PropertyValue
        value: 0.277
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.85
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.104
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.114
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.153
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: BAO GIỜ CHO ĐẾN BÂY GIỜ
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159295
    explicit: false
    by artist: QUÂN
    in album: BAO GIỜ CHO ĐẾN BÂY GIỜ
      type: MusicAlbum
      date published: 2024-09-25
    genre: v-pop
    isrc code: DGA0L2427116
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T15:44:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc99ee8d7651db832834262f5013b99a955be5a621f5c1284e417ed7120b4eaf0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958749
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958749
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0L2427116
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T15:48:23Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc99ee8d7651db832834262f5013b99a955be5a621f5c1284e417ed7120b4eaf0. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0L2427116.
      date published: 2026-07-19T15:48:23Z
    audio: BAO GIỜ CHO ĐẾN BÂY GIỜ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.982
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.804
      additional property: Energy
        type: PropertyValue
        value: 0.36
      additional property: Speechiness
        type: PropertyValue
        value: 0.048
      additional property: Acousticness
        type: PropertyValue
        value: 0.662
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.095
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.205
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: EM CÓ QUAY VỀ
album: NGÀY EM ĐI (Lofi)
album: BAO GIỜ CHO ĐẾN BÂY GIỜ (Lofi)
album: EM CÓ QUAY VỀ (Lofi)
album: TA SẼ ỔN THÔI (Lofi)
album: Lực Hấp Dẫn
album: Bao Giờ Cho Đến Bây Giờ (Remix)
album: Em Có Quay Về (Remix)
album: Ngày Em Đi (Remix)
album: Ta Sẽ Ổn Thôi (Remix)
album: Tư Bản
album: I'M IN LOVE

Loudness (dB)
type: PropertyValue
value: -10.367

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

EM CÓ QUAY VỀ
type: MusicRecording
duration: PT3M7S
duration ms: 187483
explicit: false
by artist: QUÂN
in album: BAO GIỜ CHO ĐẾN BÂY GIỜ
  type: MusicAlbum
  date published: 2024-09-25
genre: v-pop
isrc code: DGA0L2427117
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T08:46:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x606932358e98cd838599081cb843151857b8455a72a4a34462a5fe10b5dd80de
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/DGA0L2427117
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x606932358e98cd838599081cb843151857b8455a72a4a34462a5fe10b5dd80de. 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/DGA0L2427117.
  date published: 2026-07-05T10:01:46Z
audio: EM CÓ QUAY VỀ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.012
  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: 0.79
  additional property: Energy
    type: PropertyValue
    value: 0.444
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.323
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.498
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.731
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

NGÀY EM ĐI (Lofi)
type: MusicAlbum
date published: 2024-11-25

BAO GIỜ CHO ĐẾN BÂY GIỜ (Lofi)
type: MusicAlbum
date published: 2024-11-25

EM CÓ QUAY VỀ (Lofi)
type: MusicAlbum
date published: 2024-11-25

TA SẼ ỔN THÔI (Lofi)
type: MusicAlbum
date published: 2024-11-25
track: TA SẼ ỔN THÔI - Lofi
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163113
  explicit: false
  by artist: QUÂN
  in album: TA SẼ ỔN THÔI (Lofi)
    type: MusicAlbum
    date published: 2024-11-25
  genre: v-pop
  isrc code: DGA0S2407178
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T13:04:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ab3a3dcbafa7468cb939556a3f93f49ce13594e0bd42612e274a6780e537198
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957573
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957573
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0S2407178
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T13:43:13Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab3a3dcbafa7468cb939556a3f93f49ce13594e0bd42612e274a6780e537198. Chain 2 (Bitcoin): anchored in block 957573 (2026-07-11T13:43:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0S2407178.
    date published: 2026-07-11T13:43:13Z
  audio: TA SẼ ỔN THÔI - Lofi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.932
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.758
    additional property: Energy
      type: PropertyValue
      value: 0.388
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.093
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.354
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.638
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.157
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Lực Hấp Dẫn
type: MusicAlbum
date published: 2025-02-07

Bao Giờ Cho Đến Bây Giờ (Remix)
type: MusicAlbum
date published: 2025-02-08

Em Có Quay Về (Remix)
type: MusicAlbum
date published: 2025-02-08

Ngày Em Đi (Remix)
type: MusicAlbum
date published: 2025-02-08

Ta Sẽ Ổn Thôi (Remix)
type: MusicAlbum
date published: 2025-02-08

Tư Bản
type: MusicAlbum
date published: 2025-04-15

I'M IN LOVE
type: MusicAlbum
date published: 2025-07-30