Daduc
type: MusicGroup
genre: vietnamese hip hop
genre: vietnam indie
genre: vinahouse
genre: v-pop
popularity: 33
followers: 13284
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf19d63324261967d292921a77840fb4cbac1e876fa79e283cdfce648673251d
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/93e92024-4261-4260-9dff-1ebf2536e474.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93e92024-4261-4260-9dff-1ebf2536e474.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/93e92024-4261-4260-9dff-1ebf2536e474
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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 0xcf19d63324261967d292921a77840fb4cbac1e876fa79e283cdfce648673251d. 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/93e92024-4261-4260-9dff-1ebf2536e474.json and https://artists.proofprofile.net/proofs/artist/93e92024-4261-4260-9dff-1ebf2536e474.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Precious
  type: MusicAlbum
  date published: 2022-01-11
album: Precious (Haukong Remake)
  type: MusicAlbum
  date published: 2022-01-22
album: Precious
  type: MusicAlbum
  date published: 2022-01-28
album: Precious (Cukak Remix)
  type: MusicAlbum
  date published: 2022-02-07
  track: Precious - Cukak Remix
    type: MusicRecording
    duration: PT3M5S
    duration ms: 185109
    explicit: false
    by artist: Daduc
    in album: Precious (Cukak Remix)
      type: MusicAlbum
      date published: 2022-02-07
    genre: vietnamese hip hop
    genre: vietnam indie
    genre: vinahouse
    genre: v-pop
    isrc code: QMFME2229528
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T08:51:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdb767deee900f538e424fd29a3bf117fa344febfa416d389a2b73fbd3d489527
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958137
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958137
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2229528
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T11:54:12Z
    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 0xdb767deee900f538e424fd29a3bf117fa344febfa416d389a2b73fbd3d489527. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:54:12Z), 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/QMFME2229528.
      date published: 2026-07-15T11:54:12Z
    audio: Precious - Cukak Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 127.995
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.751
      additional property: Energy
        type: PropertyValue
        value: 0.806
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.063
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.013
      additional property: Liveness
        type: PropertyValue
        value: 0.079
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.961
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.087
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Precious (Cukak Remix)
  type: MusicAlbum
  date published: 2022-02-28
album: Precious (Cukak Remix)
  type: MusicAlbum
  date published: 2022-02-28
album: Phỏng Lài Em
  type: MusicAlbum
  date published: 2022-03-08
album: Phỏng Lài Em
  type: MusicAlbum
  date published: 2022-03-08
album: BABI CHO ANH MỘNG MER
  type: MusicAlbum
  date published: 2022-04-20
album: Nói Ra Câu Tỏ Tình
  type: MusicAlbum
  date published: 2022-05-19
album: Sao Em Không Rep?
  type: MusicAlbum
  date published: 2022-06-16
album: Mái Đầu Xanh
  type: MusicAlbum
  date published: 2022-08-18
album: Tình lâu phai như nhạc lofi
  type: MusicAlbum
  date published: 2022-12-16
  track: Tình lâu phai như nhạc lofi
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231278
    explicit: false
    by artist: Daduc
    in album: Tình lâu phai như nhạc lofi
      type: MusicAlbum
      date published: 2022-12-16
    genre: vietnamese hip hop
    genre: vietnam indie
    genre: vinahouse
    genre: v-pop
    isrc code: VNA2E2210156
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T09:39:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xeab852019930066ebec1aa66857579c0b83898dae14f155c7b0dd14f324c943f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958142
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958142
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2E2210156
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T12:41:54Z
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Tình lâu phai như nhạc lofi
album: Điềm Xui
album: Gudnight Babi
album: Hôn Anh Mỗi Lúc Đôi Mình Gặp
album: Soft Boy In Love

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab852019930066ebec1aa66857579c0b83898dae14f155c7b0dd14f324c943f. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:41:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2E2210156.
date published: 2026-07-15T12:41:54Z

Tình lâu phai như nhạc lofi
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 110.162
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: 0.767
additional property: Energy
  type: PropertyValue
  value: 0.308
additional property: Speechiness
  type: PropertyValue
  value: 0.033
additional property: Acousticness
  type: PropertyValue
  value: 0.802
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.085
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.369
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.001
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Major

Điềm Xui
type: MusicAlbum
date published: 2023-03-21
track: Điềm Xui
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205574
  explicit: false
  by artist: Daduc
  in album: Điềm Xui
    type: MusicAlbum
    date published: 2023-03-21
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: vinahouse
  genre: v-pop
  isrc code: VNA092300160
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T10:33:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xffdf384e21e24c20a99585b09b848d7708aea159fbbc737b7d4c5372d1f0fd04
  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/VNA092300160
  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 0xffdf384e21e24c20a99585b09b848d7708aea159fbbc737b7d4c5372d1f0fd04. 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/VNA092300160.
    date published: 2026-07-18T12:14:37Z
  audio: Điềm Xui
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.036
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.714
    additional property: Energy
      type: PropertyValue
      value: 0.473
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.637
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.226
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.292
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Gudnight Babi
type: MusicAlbum
date published: 2023-04-28
track: Gudnight Babi
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201133
  explicit: false
  by artist: Daduc
  in album: Gudnight Babi
    type: MusicAlbum
    date published: 2023-04-28
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: vinahouse
  genre: v-pop
  isrc code: VNA2E2311678
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T03:05:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x07d099b703c33b3dd5affc6d9be082ea8c368bee508eef304f7f53b2c2b90e14
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2E2311678
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07d099b703c33b3dd5affc6d9be082ea8c368bee508eef304f7f53b2c2b90e14. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2E2311678.
    date published: 2026-07-02T16:51:38Z
  audio: Gudnight Babi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.007
    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: 0.883
    additional property: Energy
      type: PropertyValue
      value: 0.631
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.649
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.534
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.048
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Hôn Anh Mỗi Lúc Đôi Mình Gặp
type: MusicAlbum
date published: 2024-04-19
track: Hôn Anh Mỗi Lúc Đôi Mình Gặp
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227722
  explicit: false
  by artist: Daduc
  in album: Hôn Anh Mỗi Lúc Đôi Mình Gặp
    type: MusicAlbum
    date published: 2024-04-19
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: vinahouse
  genre: v-pop
  isrc code: VNA0R2400161
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T10:40:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb80660409aa8aa0445592165866b451311e40d5efb568120529fbbfb10820465
  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/VNA0R2400161
  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 0xb80660409aa8aa0445592165866b451311e40d5efb568120529fbbfb10820465. 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/VNA0R2400161.
    date published: 2026-07-15T12:00:27Z
  audio: Hôn Anh Mỗi Lúc Đôi Mình Gặp
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 173.951
    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: 0.52
    additional property: Energy
      type: PropertyValue
      value: 0.622
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.058
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.189
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.812
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Soft Boy In Love
type: MusicAlbum
date published: 2024-11-14