D Empty
type: MusicGroup
genre: v-pop
popularity: 32
followers: 5035
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26c94e029f321915b6fda4c33c2d7ca01051dc534725280485c81ab218249f9c
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/66dfa354-544d-4359-b121-8f3003cfe718.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/66dfa354-544d-4359-b121-8f3003cfe718.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/66dfa354-544d-4359-b121-8f3003cfe718
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x26c94e029f321915b6fda4c33c2d7ca01051dc534725280485c81ab218249f9c","name":"D Empty","registered_at":"2026-06-11T23:19:42Z","symbol":"NIM0134467","token_address":"0x779143ecc346dd9042214844747cfb643f421f3f","type":"artist","uuid":"66dfa354-544d-4359-b121-8f3003cfe718"}
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 0x26c94e029f321915b6fda4c33c2d7ca01051dc534725280485c81ab218249f9c. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/66dfa354-544d-4359-b121-8f3003cfe718.json and https://artists.proofprofile.net/proofs/artist/66dfa354-544d-4359-b121-8f3003cfe718.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x26c94e029f321915b6fda4c33c2d7ca01051dc534725280485c81ab218249f9c","name":"D Empty","registered_at":"2026-06-11T23:19:42Z","symbol":"NIM0134467","token_address":"0x779143ecc346dd9042214844747cfb643f421f3f","type":"artist","uuid":"66dfa354-544d-4359-b121-8f3003cfe718"}
album: Anh Có Thể Ôm Em ?
  type: MusicAlbum
  date published: 2018-03-01
album: ÁNH CHIỀU TÀN
  type: MusicAlbum
  date published: 2018-03-01
album: ÁNH CHIỀU TÀN (feat. Poll)
  type: MusicAlbum
  date published: 2021-04-03
album: U Are So Sweet (feat. TDY)
  type: MusicAlbum
  date published: 2021-04-23
album: Anh Có Thể Ôm Em ? (feat. Trí)
  type: MusicAlbum
  date published: 2021-11-02
  track: Anh Có Thể Ôm Em ? (feat. Trí)
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183361
    explicit: false
    by artist: D Empty
    in album: Anh Có Thể Ôm Em ? (feat. Trí)
      type: MusicAlbum
      date published: 2021-11-02
    genre: v-pop
    isrc code: VNA0M1911935
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T23:36:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0a1353df2b532a5b31d98966c28fd36c1e93dc14eb6278ab167d9466452652f7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956857
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956857
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1911935
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:26:17Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a1353df2b532a5b31d98966c28fd36c1e93dc14eb6278ab167d9466452652f7. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1911935.
      date published: 2026-07-06T01:26:17Z
    audio: Anh Có Thể Ôm Em ? (feat. Trí)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.034
      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: 0.604
      additional property: Energy
        type: PropertyValue
        value: 0.304
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.907
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.004
      additional property: Liveness
        type: PropertyValue
        value: 0.187
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.063
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.534
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: SAU MÀN MƯA
  type: MusicAlbum
  date published: 2024-08-28
  track: SAU MÀN MƯA
    type: MusicRecording
    duration: PT4M34S
    duration ms: 274000
    explicit: false
    by artist: D Empty
    in album: SAU MÀN MƯA
      type: MusicAlbum
      date published: 2024-08-28
    genre: v-pop
    isrc code: QMBZ92451128
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T10:53:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc9c357fddcb6baed4d3fd9b7747dcfb4424b9a41548de6edb1297b06df135673
    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/QMBZ92451128
    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 0xc9c357fddcb6baed4d3fd9b7747dcfb4424b9a41548de6edb1297b06df135673. 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/QMBZ92451128.
      date published: 2026-07-18T12:14:37Z
    audio: SAU MÀN MƯA
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.074
      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: 0.608
      additional property: Energy
        type: PropertyValue
        value: 0.407
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Speechiness
type: PropertyValue
value: 0.029

Acousticness
type: PropertyValue
value: 0.864

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.117

Valence (Positivity)
type: PropertyValue
value: 0.419

Loudness (dB)
type: PropertyValue
value: -10.347

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major