Nguyễn Trọng Tài
type: MusicGroup
genre: vietnamese hip hop
genre: vietnam indie
genre: v-pop
popularity: 34
followers: 33610
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x76b9919af12c1645673d619e371015cb81bbd922c7cf169fb404d46d55cf17ee
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/e3462892-cbbf-415e-8b51-8bb9605c72d5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e3462892-cbbf-415e-8b51-8bb9605c72d5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e3462892-cbbf-415e-8b51-8bb9605c72d5
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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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 0x76b9919af12c1645673d619e371015cb81bbd922c7cf169fb404d46d55cf17ee. 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/e3462892-cbbf-415e-8b51-8bb9605c72d5.json and https://artists.proofprofile.net/proofs/artist/e3462892-cbbf-415e-8b51-8bb9605c72d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x76b9919af12c1645673d619e371015cb81bbd922c7cf169fb404d46d55cf17ee","name":"Nguyễn Trọng Tài","registered_at":"2026-06-12T12:02:35Z","symbol":"NIM0291919","token_address":"0x999146cc70f68ae9eb91dd100155cbae3cac5530","type":"artist","uuid":"e3462892-cbbf-415e-8b51-8bb9605c72d5"}
album: HONGKONG12
  type: MusicAlbum
  date published: 2018-03-01
album: Bất Lực
  type: MusicAlbum
  date published: 2018-03-01
album: Giữa Mây Ngàn
  type: MusicAlbum
  date published: 2018-03-01
album: Hongkong1
  type: MusicAlbum
  date published: 2018-10-08
album: HONGKONG1
  type: MusicAlbum
  date published: 2018-10-28
album: Hongkong1 - Official Version (Original)
  type: MusicAlbum
  date published: 2018-11-16
album: HONGKONG12 (feat. MC 12)
  type: MusicAlbum
  date published: 2019-10-22
album: HONGKONG12 (feat. MC 12)
  type: MusicAlbum
  date published: 2019-10-22
  track: HONGKONG12 (feat. MC 12)
    type: MusicRecording
    duration: PT4M13S
    duration ms: 253531
    explicit: false
    by artist: Nguyễn Trọng Tài
    in album: HONGKONG12 (feat. MC 12)
      type: MusicAlbum
      date published: 2019-10-22
    genre: vietnamese hip hop
    genre: vietnam indie
    genre: v-pop
    isrc code: VNA0M1906292
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
      value: 2026-07-21T19:33:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959051
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959051
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1906292
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T22:36:33Z
    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 0x13a1049f1cee4966482ba9a290aec40d1bd152cb2756f7562eca5f1f4898cd62. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T22:36:33Z), 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/VNA0M1906292.
      date published: 2026-07-21T22:36:33Z
    audio: HONGKONG12 (feat. MC 12)
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      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.012
      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: 0.738
      additional property: Energy
        type: PropertyValue
        value: 0.415
      additional property: Speechiness
        type: PropertyValue
        value: 0.059
      additional property: Acousticness
        type: PropertyValue
        value: 0.536
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.097
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.378
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.83
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Bất Lực
  type: MusicAlbum
  date published: 2019-12-24
  track: Bất Lực
    type: MusicRecording
    duration: PT1M37S
    duration ms: 97627
    explicit: false
    by artist: Nguyễn Trọng Tài
    in album: Bất Lực
      type: MusicAlbum
      date published: 2019-12-24
    genre: vietnamese hip hop
    genre: vietnam indie
    genre: v-pop
    isrc code: VNA0M1907157
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T09:21:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xddc312ac9c8e376def9c6e8a1131d4cd35e45c2a89affa714adf6337f464961e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      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/VNA0M1907157
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T12:24:10Z
    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 0xddc312ac9c8e376def9c6e8a1131d4cd35e45c2a89affa714adf6337f464961e. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:24:10Z), 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/VNA0M1907157.
      date published: 2026-07-15T12:24:10Z
    audio: Bất Lực
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 117.916
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      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
album: Ngừng Mơ
album: Khoảng Không Em
album: Cớ Sao Em Buồn
album: Cớ Sao Em Buồn (Remix)
album: Cớ Sao Em Buồn (Lofi Remix By Freak D)
album: Anh Không Phải Là Soái Ca
album: Giấc Mơ Đẹp
album: Đôi Ly Whisky
album: thức giấc
album: Thức Giấc (Ambient Version)
album: Quay Về

Musical Key
type: PropertyValue
value: 2

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.75

Energy
type: PropertyValue
value: 0.24

Speechiness
type: PropertyValue
value: 0.065

Acousticness
type: PropertyValue
value: 0.808

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.358

Valence (Positivity)
type: PropertyValue
value: 0.469

Loudness (dB)
type: PropertyValue
value: -17.608

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Ngừng Mơ
type: MusicAlbum
date published: 2020-01-01
track: Ngừng Mơ
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266020
  explicit: false
  by artist: Nguyễn Trọng Tài
  in album: Ngừng Mơ
    type: MusicAlbum
    date published: 2020-01-01
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: v-pop
  isrc code: QM4TX2473053
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T01:40:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1c14cb34db226f2215b94ca2906eb44f4f3b028278509056161fb4b8bce14d9c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958951
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958951
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2473053
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T04:42:36Z
  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 0x1c14cb34db226f2215b94ca2906eb44f4f3b028278509056161fb4b8bce14d9c. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:42:36Z), 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/QM4TX2473053.
    date published: 2026-07-21T04:42:36Z
  audio: Ngừng Mơ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105
    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: 0.827
    additional property: Energy
      type: PropertyValue
      value: 0.547
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.426
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.144
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.519
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.335
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Hongkong1
type: MusicAlbum
date published: 2020-01-01

Giữa Mây Ngàn
type: MusicAlbum
date published: 2021-02-14

Giữa Mây Ngàn
type: MusicAlbum
date published: 2021-02-14

Khoảng Không Em
type: MusicAlbum
date published: 2021-03-14

Khoảng Không Em
type: MusicAlbum
date published: 2021-03-14

Cớ Sao Em Buồn
type: MusicAlbum
date published: 2021-08-07

Cớ Sao Em Buồn (Remix)
type: MusicAlbum
date published: 2021-08-07
track: Cớ Sao Em Buồn - Lofi Remix By Freak D
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256941
  explicit: false
  by artist: Nguyễn Trọng Tài
  in album: Cớ Sao Em Buồn (Remix)
    type: MusicAlbum
    date published: 2021-08-07
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: v-pop
  isrc code: FRX452114036
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T07:29:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9ba802c1b1a42742adeab6eebc3f6169dd7383d33ae4979f545c47f053682ca7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452114036
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T08:19:09Z
  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 0x9ba802c1b1a42742adeab6eebc3f6169dd7383d33ae4979f545c47f053682ca7. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/FRX452114036.
    date published: 2026-07-18T08:19:09Z
  audio: Cớ Sao Em Buồn - Lofi Remix By Freak D
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 170.047
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.605
    additional property: Energy
      type: PropertyValue
      value: 0.28
    additional property: Speechiness
      type: PropertyValue
      value: 0.106
    additional property: Acousticness
      type: PropertyValue
      value: 0.814
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.315
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.339
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.849
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
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Cớ Sao Em Buồn
type: MusicAlbum
date published: 2021-08-14
track: Cớ Sao Em Buồn
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286037
  explicit: false
  by artist: Nguyễn Trọng Tài
  in album: Cớ Sao Em Buồn
    type: MusicAlbum
    date published: 2021-08-14
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: v-pop
  isrc code: FRX452100577
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T14:05:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd426de6154dce125afda8d6d507f2f7a7e67ffaeeb83f49c116db59c6cd781d2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 956560
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956560
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX452100577
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T23:28:02Z
  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 0xd426de6154dce125afda8d6d507f2f7a7e67ffaeeb83f49c116db59c6cd781d2. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/FRX452100577.
    date published: 2026-07-03T23:28:02Z
  audio: Cớ Sao Em Buồn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 179.898
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.465
    additional property: Energy
      type: PropertyValue
      value: 0.399
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Key Name
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    additional property: Mode Name
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Cớ Sao Em Buồn (Lofi Remix By Freak D)
type: MusicAlbum
date published: 2021-08-14

Cớ Sao Em Buồn (Lofi Remix By Freak D)
type: MusicAlbum
date published: 2021-08-14

Anh Không Phải Là Soái Ca
type: MusicAlbum
date published: 2022-02-03

Giấc Mơ Đẹp
type: MusicAlbum
date published: 2022-10-22
track: Giấc Mơ Đẹp
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187200
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  by artist: Nguyễn Trọng Tài
  in album: Giấc Mơ Đẹp
    type: MusicAlbum
    date published: 2022-10-22
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: v-pop
  isrc code: QZN882304904
  additional property: CopyrightID
  additional property: CopyrightStatus
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    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x349ace300649929185ec0e949e693302a3ed3da84ac5cbd62866677ba958dc11
  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/QZN882304904
  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 0x349ace300649929185ec0e949e693302a3ed3da84ac5cbd62866677ba958dc11. 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/QZN882304904.
    date published: 2026-07-05T10:01:46Z
  audio: Giấc Mơ Đẹp
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.014
    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: 0.932
    additional property: Energy
      type: PropertyValue
      value: 0.301
    additional property: Speechiness
      type: PropertyValue
      value: 0.189
    additional property: Acousticness
      type: PropertyValue
      value: 0.64
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.044
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.532
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.345
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Đôi Ly Whisky
type: MusicAlbum
date published: 2022-12-24
track: Đôi Ly Whisky
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174736
  explicit: false
  by artist: Nguyễn Trọng Tài
  in album: Đôi Ly Whisky
    type: MusicAlbum
    date published: 2022-12-24
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA2E2210331
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T14:54:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5bc43c3716204e889e23d05f99d66a2a122a2ad239cee0165288064a2c6e0487
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2E2210331
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc43c3716204e889e23d05f99d66a2a122a2ad239cee0165288064a2c6e0487. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/VNA2E2210331.
    date published: 2026-07-17T19:12:23Z
  audio: Đôi Ly Whisky
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.008
    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: 0.89
    additional property: Energy
      type: PropertyValue
      value: 0.315
    additional property: Speechiness
      type: PropertyValue
      value: 0.092
    additional property: Acousticness
      type: PropertyValue
      value: 0.7
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.199
    additional property: Liveness
      type: PropertyValue
      value: 0.438
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.821
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.805
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

thức giấc
type: MusicAlbum
date published: 2023-12-24

Thức Giấc (Ambient Version)
type: MusicAlbum
date published: 2024-06-06

Quay Về
type: MusicAlbum
date published: 2024-11-13
track: quay về
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181374
  explicit: false
  by artist: Nguyễn Trọng Tài
  in album: Quay Về
    type: MusicAlbum
    date published: 2024-11-13
  genre: vietnamese hip hop
  genre: vietnam indie
  genre: v-pop
  isrc code: QMDA72446670
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T21:41:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcf89163889b796f37bb3b2aabe220823897ff6d92806daa3a665b843c5cbb752
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959065
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959065
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72446670
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T00:44:34Z
  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 0xcf89163889b796f37bb3b2aabe220823897ff6d92806daa3a665b843c5cbb752. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-22T00:44:34Z), 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/QMDA72446670.
    date published: 2026-07-22T00:44:34Z
  audio: quay về
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.031
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.773
    additional property: Energy
      type: PropertyValue
      value: 0.646
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.614
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.556
    additional property: Liveness
      type: PropertyValue
      value: 0.38
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.558
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.796
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor