D Blue
type: MusicGroup
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
popularity: 44
followers: 50305
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6055f47051dcb62e15fe275291e588728984e3a74053a7de9a170625b5a5d007
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/c06f745c-1c15-4603-9a83-b0e883350e49.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c06f745c-1c15-4603-9a83-b0e883350e49.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c06f745c-1c15-4603-9a83-b0e883350e49
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6055f47051dcb62e15fe275291e588728984e3a74053a7de9a170625b5a5d007","name":"D Blue","registered_at":"2026-06-12T08:56:13Z","symbol":"NIM0248714","token_address":"0xe42d63d4786e15dff113049abab49c68ad88258f","type":"artist","uuid":"c06f745c-1c15-4603-9a83-b0e883350e49"}
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 0x6055f47051dcb62e15fe275291e588728984e3a74053a7de9a170625b5a5d007. 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/c06f745c-1c15-4603-9a83-b0e883350e49.json and https://artists.proofprofile.net/proofs/artist/c06f745c-1c15-4603-9a83-b0e883350e49.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x6055f47051dcb62e15fe275291e588728984e3a74053a7de9a170625b5a5d007","name":"D Blue","registered_at":"2026-06-12T08:56:13Z","symbol":"NIM0248714","token_address":"0xe42d63d4786e15dff113049abab49c68ad88258f","type":"artist","uuid":"c06f745c-1c15-4603-9a83-b0e883350e49"}
album: Nhiều Hơn Một Thế Giới
  type: MusicAlbum
  date published: 2018-12-17
album: Xin Em Đừng Mang Cơn Mưa Đến Đây
  type: MusicAlbum
  date published: 2019-06-13
album: Xin Em Đừng Mang Cơn Mưa Đến Đây
  type: MusicAlbum
  date published: 2019-06-13
album: Sẽ Ổn Thôi
  type: MusicAlbum
  date published: 2019-07-10
album: Có Lẽ Quá Khó Để Quên 1 Người
  type: MusicAlbum
  date published: 2019-08-26
album: Có Lẽ Quá Khó Để Quên 1 Người
  type: MusicAlbum
  date published: 2019-08-26
album: Tửu Sầu
  type: MusicAlbum
  date published: 2019-11-03
album: Tửu Sầu
  type: MusicAlbum
  date published: 2019-11-16
album: Em Chưa Giấu Anh Điều Gì
  type: MusicAlbum
  date published: 2019-12-08
album: Em Chưa Giấu Anh Điều Gì
  type: MusicAlbum
  date published: 2019-12-08
album: Em Chưa Giấu Anh Điều Gì
  type: MusicAlbum
  date published: 2019-12-08
album: Thanh Niên Đêm Nay
  type: MusicAlbum
  date published: 2020-03-14
album: Đừng Kể Ai Nghe
  type: MusicAlbum
  date published: 2020-04-20
album: Chỉ Còn Ta Và Ta Giữa Trời
  type: MusicAlbum
  date published: 2020-05-30
album: Chỉ Còn Ta Và Ta Giữa Trời
  type: MusicAlbum
  date published: 2020-06-06
album: Nốt Nhạc Thời Thanh Xuân
  type: MusicAlbum
  date published: 2020-09-21
album: Sóng Tình
  type: MusicAlbum
  date published: 2020-11-02
  track: Sóng Tình
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166158
    explicit: false
    by artist: D Blue
    in album: Sóng Tình
      type: MusicAlbum
      date published: 2020-11-02
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: FR26V2013457
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T00:15:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa70e6ecf205c3baad92b8fd59eca75c00688a9e7a15b96279a0962c181943468
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958489
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR26V2013457
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    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 0xa70e6ecf205c3baad92b8fd59eca75c00688a9e7a15b96279a0962c181943468. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/FR26V2013457.
      date published: 2026-07-18T04:13:26Z
    audio: Sóng Tình
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.931
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.817
      additional property: Energy
        type: PropertyValue
        value: 0.681
      additional property: Speechiness
        type: PropertyValue
        value: 0.06
      additional property: Acousticness
        type: PropertyValue
        value: 0.869
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.118
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.615
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.118
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Nốt Nhạc Thời Thanh Xuân
  type: MusicAlbum
  date published: 2020-11-08
  track: Nốt Nhạc Thời Thanh Xuân
    type: MusicRecording
    duration: PT3M40S
    duration ms: 220550
    explicit: false
    by artist: D Blue
    in album: Nốt Nhạc Thời Thanh Xuân
      type: MusicAlbum
      date published: 2020-11-08
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: FR26V2031394
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Nốt Nhạc Thời Thanh Xuân
album: Xa Nhau Cả Hai Đều Buồn
album: Hãy Ngồi Cùng Anh Đến Khi Ngày Tàn
album: Say Như Không Say
album: Cũ Nhưng Mới (feat. 1nG)
album: Và Anh Giờ Đây (feat. Tăng Duy Tân)
album: Những Phút Hoài Niệm
album: Đều Giống Như Nhau
album: Không Mây Không Sao
album: Ra Khỏi Đây
album: FOREVER
album: Để Lại Trong Anh
album: 28
album: Mây Trời Gió Cuốn
album: D.Blue (HITStory Live Session)
album: Kết Thúc Bằng Lời Nói
track: Như Ban Đầu

Như Ban Đầu
type: MusicRecording
duration: PT3M51S
duration ms: 231037
explicit: false
by artist: Lil Shady
by artist: D Blue
by artist: Tuyết
in album: Như Ban Đầu
  type: MusicAlbum
  date published: 2019-04-14
genre: vinahouse
genre: v-pop
genre: vietnamese-hip-hop
isrc code: US38Y2422477
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T16:06:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4828cc7152626f2e7adec62949c6e4d6166144cc61c549e6f2967cb693697c63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2422477
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4828cc7152626f2e7adec62949c6e4d6166144cc61c549e6f2967cb693697c63. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/US38Y2422477.
  date published: 2026-07-02T03:55:08Z
audio: Như Ban Đầu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.468
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.761
  additional property: Energy
    type: PropertyValue
    value: 0.573
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.882
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.479
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.318
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-18T09:19:17+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xcc74e2e579335af7a34667d85474c9524e87a88e9ca5862cc9f072a8ff6651ef

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958544

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958544

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR26V2031394

OTSTimestamp
type: PropertyValue
value: 2026-07-18T12:14:37Z

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 0xcc74e2e579335af7a34667d85474c9524e87a88e9ca5862cc9f072a8ff6651ef. 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/FR26V2031394.
date published: 2026-07-18T12:14:37Z

Nốt Nhạc Thời Thanh Xuân
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 114.962
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: 0.874
additional property: Energy
  type: PropertyValue
  value: 0.45
additional property: Speechiness
  type: PropertyValue
  value: 0.067
additional property: Acousticness
  type: PropertyValue
  value: 0.823
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.111
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.516
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.137
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Major

Xa Nhau Cả Hai Đều Buồn
type: MusicAlbum
date published: 2020-12-01
track: Xa Nhau Cả Hai Đều Buồn
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258411
  explicit: false
  by artist: D Blue
  in album: Xa Nhau Cả Hai Đều Buồn
    type: MusicAlbum
    date published: 2020-12-01
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: VNA0M1909570
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T00:09:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xee40825b6b18f6fe22cf37861d0eaa374bbc9df2dcc4cd1aa9f82f7fc9462a8d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958087
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958087
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0M1909570
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T02:56:49Z
  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 0xee40825b6b18f6fe22cf37861d0eaa374bbc9df2dcc4cd1aa9f82f7fc9462a8d. Chain 2 (Bitcoin): anchored in block 958087 (2026-07-15T02:56:49Z), 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/VNA0M1909570.
    date published: 2026-07-15T02:56:49Z
  audio: Xa Nhau Cả Hai Đều Buồn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.84
    additional property: Energy
      type: PropertyValue
      value: 0.48
    additional property: Speechiness
      type: PropertyValue
      value: 0.1
    additional property: Acousticness
      type: PropertyValue
      value: 0.719
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.23
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.466
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.049
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Xa Nhau Cả Hai Đều Buồn
type: MusicAlbum
date published: 2020-12-01

Xa Nhau Cả Hai Đều Buồn
type: MusicAlbum
date published: 2020-12-01

Hãy Ngồi Cùng Anh Đến Khi Ngày Tàn
type: MusicAlbum
date published: 2021-01-11

Hãy Ngồi Cùng Anh Đến Khi Ngày Tàn
type: MusicAlbum
date published: 2021-01-11

Hãy Ngồi Cùng Anh Đến Khi Ngày Tàn
type: MusicAlbum
date published: 2021-01-11

Say Như Không Say
type: MusicAlbum
date published: 2021-02-18

Say Như Không Say
type: MusicAlbum
date published: 2021-02-20

Chỉ Còn Ta Và Ta Giữa Trời
type: MusicAlbum
date published: 2021-03-27

Có Lẽ Quá Khó Để Quên 1 Người
type: MusicAlbum
date published: 2021-03-27

Xin Em Đừng Mang Cơn Mưa Đến Đây
type: MusicAlbum
date published: 2021-03-27
track: Xin Em Đừng Mang Cơn Mưa Đến Đây
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219593
  explicit: false
  by artist: D Blue
  in album: Xin Em Đừng Mang Cơn Mưa Đến Đây
    type: MusicAlbum
    date published: 2021-03-27
  genre: vietnamese hip hop
  genre: vietnamese lo-fi
  genre: vietnam indie
  genre: v-pop
  isrc code: FR59R2110065
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T02:36:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x00d38bb62901e2cdf31b79a47bde51bd99cb4a86da63fba78e2ee4446656db73
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958955
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958955
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2110065
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T03:03:40Z
  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
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Em Chưa Giấu Anh Điều Gì
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Đừng Kể Ai Nghe
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Cũ Nhưng Mới (feat. 1nG)
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Nhiều Hơn Một Thế Giới
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Và Anh Giờ Đây (feat. Tăng Duy Tân)
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Đều Giống Như Nhau
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Không Mây Không Sao
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Không Mây Không Sao
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Không Mây Không Sao
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Không Mây Không Sao
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Ra Khỏi Đây
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Ra Khỏi Đây
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FOREVER
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Để Lại Trong Anh
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28
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Mây Trời Gió Cuốn
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D.Blue (HITStory Live Session)
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Kết Thúc Bằng Lời Nói
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