PC
type: MusicGroup
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
description: PC most commonly refers to the personal computer, a general-purpose computer for individuals. PC or pc may also refer to: Arts and entertainment Pitch class, a set of octave-equivalent pitches in
popularity: 53
followers: 152335
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbe6a38da20020348341ec9561512621e4198ca7e960bc2d6e58dc67034fc8d33
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c98a4fad-d634-4172-b0ec-8e1e2da7173d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c98a4fad-d634-4172-b0ec-8e1e2da7173d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c98a4fad-d634-4172-b0ec-8e1e2da7173d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
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 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 0xbe6a38da20020348341ec9561512621e4198ca7e960bc2d6e58dc67034fc8d33. 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/c98a4fad-d634-4172-b0ec-8e1e2da7173d.json and https://artists.proofprofile.net/proofs/artist/c98a4fad-d634-4172-b0ec-8e1e2da7173d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Hạ Lạ
  type: MusicAlbum
  date published: 2016-03-13
  track: Hạ Lạ
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201966
    explicit: false
    by artist: PC
    in album: Hạ Lạ
      type: MusicAlbum
      date published: 2016-03-13
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: FRX202116920
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T17:50:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb9f931c3a10f1446c91641d9b79e789db9ca8b748cc21a2ac5967e6448030889
    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/FRX202116920
    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 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 0xb9f931c3a10f1446c91641d9b79e789db9ca8b748cc21a2ac5967e6448030889. 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/FRX202116920.
      date published: 2026-07-18T18:05:01Z
    audio: Hạ Lạ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 169.88
      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: 0.771
      additional property: Energy
        type: PropertyValue
        value: 0.754
      additional property: Speechiness
        type: PropertyValue
        value: 0.49
      additional property: Acousticness
        type: PropertyValue
        value: 0.738
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.578
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.21
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Hạ Lạ
  type: MusicAlbum
  date published: 2016-03-13
album: Từ Dạo Ấy
  type: MusicAlbum
  date published: 2016-05-08
album: Từ Dạo Ấy
  type: MusicAlbum
  date published: 2016-05-08
  track: Từ Dạo Ấy
    type: MusicRecording
    duration: PT3M31S
    duration ms: 211247
    explicit: false
    by artist: PC
    in album: Từ Dạo Ấy
      type: MusicAlbum
      date published: 2016-05-08
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: FRX202128218
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T20:57:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7dc8641b8eb4afc09979cac29fb8c67bdc8b88913243285f0a83aa7ed60e0feb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958783
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958783
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX202128218
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T21:20:45Z
    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 0x7dc8641b8eb4afc09979cac29fb8c67bdc8b88913243285f0a83aa7ed60e0feb. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/FRX202128218.
      date published: 2026-07-19T21:20:45Z
    audio: Từ Dạo Ấy
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.993
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.812
      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: Đôi Lần
album: Chuyện Trò
album: Ghé Qua
album: Như Anh Mơ
album: Nghe Những Tiếng Vang
album: Ngẫu Nhiên
album: Ghé Qua (Rapcoustic)
album: Dalatmango
album: Let'S Leave the Party
album: Let’s Leave The Party
album: #DTFML
album: 10 Ngàn Năm
album: ai rồi cũng bỏ đi
album: Ai Rồi Cũng Bỏ Đi
album: DIEUEMMUON
album: 4GetU (Remake)
album: Bài Học Quý Giá
album: PC (HITStory Live Session)
album: 258
track: Người Về Hay Ghé Ngang
track: Người Về Hay Ghé Ngang (Instrumental)

Energy
type: PropertyValue
value: 0.598

Speechiness
type: PropertyValue
value: 0.181

Acousticness
type: PropertyValue
value: 0.936

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.132

Valence (Positivity)
type: PropertyValue
value: 0.562

Loudness (dB)
type: PropertyValue
value: -9.36

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Đôi Lần
type: MusicAlbum
date published: 2016-05-22

Đôi Lần
type: MusicAlbum
date published: 2016-06-25
track: Đôi Lần
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280451
  explicit: false
  by artist: PC
  in album: Đôi Lần
    type: MusicAlbum
    date published: 2016-06-25
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FRX202116918
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T15:29:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb6fae40d1a55f7d0620793ed89566719f2157398a7fbd3605139015c0925d0c3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958571
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958571
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX202116918
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T15:39:25Z
  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 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 0xb6fae40d1a55f7d0620793ed89566719f2157398a7fbd3605139015c0925d0c3. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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/FRX202116918.
    date published: 2026-07-18T15:39:25Z
  audio: Đôi Lần
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 148
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.718
    additional property: Energy
      type: PropertyValue
      value: 0.639
    additional property: Speechiness
      type: PropertyValue
      value: 0.102
    additional property: Acousticness
      type: PropertyValue
      value: 0.784
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.006
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.687
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.164
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Chuyện Trò
type: MusicAlbum
date published: 2017-03-11

Chuyện Trò
type: MusicAlbum
date published: 2017-03-11

Ghé Qua
type: MusicAlbum
date published: 2017-12-08

Như Anh Mơ
type: MusicAlbum
date published: 2018

Nghe Những Tiếng Vang
type: MusicAlbum
date published: 2018-03-01

Ghé Qua
type: MusicAlbum
date published: 2018-03-17

Ngẫu Nhiên
type: MusicAlbum
date published: 2018-10-18

Ngẫu Nhiên
type: MusicAlbum
date published: 2018-10-18

Ghé Qua (Rapcoustic)
type: MusicAlbum
date published: 2019-02-15

Ghé Qua (Rapcoustic)
type: MusicAlbum
date published: 2019-02-15

Dalatmango
type: MusicAlbum
date published: 2019-04-19

Dalatmango
type: MusicAlbum
date published: 2019-04-19

Dalatmango
type: MusicAlbum
date published: 2019-04-19

Let'S Leave the Party
type: MusicAlbum
date published: 2019-04-29

Let’s Leave The Party
type: MusicAlbum
date published: 2019-04-29

Let'S Leave the Party
type: MusicAlbum
date published: 2019-04-29

#DTFML
type: MusicAlbum
date published: 2019-11-16

#DTFML
type: MusicAlbum
date published: 2019-11-16

10 Ngàn Năm
type: MusicAlbum
date published: 2019-12-21

10 Ngàn Năm
type: MusicAlbum
date published: 2019-12-21

10 Ngàn Năm
type: MusicAlbum
date published: 2019-12-21

Như Anh Mơ
type: MusicAlbum
date published: 2020-03-12

Như Anh Mơ
type: MusicAlbum
date published: 2020-03-16

Như Anh Mơ
type: MusicAlbum
date published: 2020-03-16

ai rồi cũng bỏ đi
type: MusicAlbum
date published: 2020-04-19

Ai Rồi Cũng Bỏ Đi
type: MusicAlbum
date published: 2020-04-19
track: Ai Rồi Cũng Bỏ Đi
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180293
  explicit: false
  by artist: PC
  in album: Ai Rồi Cũng Bỏ Đi
    type: MusicAlbum
    date published: 2020-04-19
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FR59R2103096
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T19:52:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe1dceb4ade9c249ddcb1404df2319b329fa018b3f7caf679a025dfc3f876a44d
  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/FR59R2103096
  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 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 0xe1dceb4ade9c249ddcb1404df2319b329fa018b3f7caf679a025dfc3f876a44d. 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/FR59R2103096.
    date published: 2026-07-02T16:51:38Z
  audio: Ai Rồi Cũng Bỏ Đi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.995
    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: 0.778
    additional property: Energy
      type: PropertyValue
      value: 0.515
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.486
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.661
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.246
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ai Rồi Cũng Bỏ Đi
type: MusicAlbum
date published: 2020-04-19

Nghe Những Tiếng Vang
type: MusicAlbum
date published: 2021-01-24
track: Nghe Những Tiếng Vang
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173142
  explicit: false
  by artist: PC
  in album: Nghe Những Tiếng Vang
    type: MusicAlbum
    date published: 2021-01-24
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1911392
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T13:57:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe5318de452c0387d0f069021960d8c44d335bb1659d5a3d1b285c7a311272342
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1911392
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  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 0xe5318de452c0387d0f069021960d8c44d335bb1659d5a3d1b285c7a311272342. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/VNA0M1911392.
    date published: 2026-07-16T16:14:30Z
  audio: Nghe Những Tiếng Vang
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.034
    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: 0.68
    additional property: Energy
      type: PropertyValue
      value: 0.613
    additional property: Speechiness
      type: PropertyValue
      value: 0.06
    additional property: Acousticness
      type: PropertyValue
      value: 0.317
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.301
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.44
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.957
    additional property: Key Name
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DIEUEMMUON
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    type: MusicAlbum
    date published: 2021-07-08
  genre: vietnamese hip hop
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  genre: vietnam indie
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde0abccf50af1e39b81b43d19b4b7605d359579b945a1884882fdc449c7f245c. 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/VNA0M1915944.
    date published: 2026-07-02T16:51:38Z
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    additional property: Danceability
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    additional property: Valence (Positivity)
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4GetU (Remake)
type: MusicAlbum
date published: 2024-08-25

Bài Học Quý Giá
type: MusicAlbum
date published: 2025-01-22

PC (HITStory Live Session)
type: MusicAlbum
date published: 2025-03-04

258
type: MusicAlbum
date published: 2025-08-25

Người Về Hay Ghé Ngang
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by artist: PC
by artist: Brother A Tuấn Anh
in album: Người Về Hay Ghé Ngang
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genre: bolero
genre: v-pop
genre: vietnamese-bolero
genre: vietnamese-lo-fi
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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-07-02T03:55:08Z
audio: Người Về Hay Ghé Ngang
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  additional property: Time Signature
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  additional property: Danceability
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Người Về Hay Ghé Ngang (Instrumental)
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duration ms: 271500
explicit: false
by artist: Hoài Lâm
by artist: PC
by artist: Brother A Tuấn Anh
in album: Người Về Hay Ghé Ngang
  type: MusicAlbum
  date published: 2023-11-25
genre: bolero
genre: v-pop
genre: vietnamese-bolero
genre: vietnamese-lo-fi
isrc code: DGA0P2326633
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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 0x930dfcd77edcb48b4435872e7e16561f628a2fd59b779a6d69ce2af9cb505426. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/DGA0P2326633.
  date published: 2026-07-30T14:36:16Z
audio: Người Về Hay Ghé Ngang (Instrumental)
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