Changg
type: MusicGroup
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
popularity: 49
followers: 159778
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf03f926407cfcd258001b45b5b385234f4aae96dac35334d15cbfc81926455c4
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/d50490b6-549a-4cf7-b934-8d4f8173c3e9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d50490b6-549a-4cf7-b934-8d4f8173c3e9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d50490b6-549a-4cf7-b934-8d4f8173c3e9
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 0xf03f926407cfcd258001b45b5b385234f4aae96dac35334d15cbfc81926455c4. 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/d50490b6-549a-4cf7-b934-8d4f8173c3e9.json and https://artists.proofprofile.net/proofs/artist/d50490b6-549a-4cf7-b934-8d4f8173c3e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Sài Gòn Đâu Có Lạnh
  type: MusicAlbum
  date published: 2018-03-01
album: Sài Gòn Đâu Có Lạnh (feat. Lewiuy)
  type: MusicAlbum
  date published: 2020-12-25
album: Sài Gòn Đâu Có Lạnh (feat. Lewiuy)
  type: MusicAlbum
  date published: 2020-12-25
album: Lỡ Say Bye Là Bye
  type: MusicAlbum
  date published: 2021-01-22
album: Lỡ Say Bye Là Bye
  type: MusicAlbum
  date published: 2021-01-22
album: Tuesday
  type: MusicAlbum
  date published: 2021-03-05
album: Mirror
  type: MusicAlbum
  date published: 2021-04-11
album: Mirror
  type: MusicAlbum
  date published: 2021-04-11
album: Hướng Dương
  type: MusicAlbum
  date published: 2021-05-20
album: Em Không Hiểu
  type: MusicAlbum
  date published: 2021-06-28
album: Yêu Lâu Có Chán Không
  type: MusicAlbum
  date published: 2022-05-17
album: Sài Gòn Đâu Có Lạnh (Remix)
  type: MusicAlbum
  date published: 2022-09-16
  track: Sài Gòn Đâu Có Lạnh - Remix
    type: MusicRecording
    duration: PT2M21S
    duration ms: 141684
    explicit: false
    by artist: Changg
    in album: Sài Gòn Đâu Có Lạnh (Remix)
      type: MusicAlbum
      date published: 2022-09-16
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: QZN882282932
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T18:14:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7f65ced51052f512af316787661c154ab67d679369fad074f32c8d3bc48df1e7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZN882282932
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x7f65ced51052f512af316787661c154ab67d679369fad074f32c8d3bc48df1e7. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZN882282932.
      date published: 2026-07-05T19:27:56Z
    audio: Sài Gòn Đâu Có Lạnh - Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.001
      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: 0.78
      additional property: Energy
        type: PropertyValue
        value: 0.773
      additional property: Speechiness
        type: PropertyValue
        value: 0.09
      additional property: Acousticness
        type: PropertyValue
        value: 0.058
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.072
      additional property: Liveness
        type: PropertyValue
        value: 0.315
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.628
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.236
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Mỗi Khi Em Nhìn Anh
  type: MusicAlbum
  date published: 2022-11-23
album: Đông Noend
  type: MusicAlbum
  date published: 2022-12-12
  track: Đông Noend
album: Giờ Em Đã Biết
  type: MusicAlbum
  date published: 2023-10-19
album: Winter23 Mixtape
  type: MusicAlbum
  date published: 2023-12-14
  track: Giờ Em Đã Biết (feat. Minh Huy)
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204144
    explicit: false
    by artist: Changg
    in album: Winter23 Mixtape
      type: MusicAlbum
      date published: 2023-12-14
    genre: vietnamese hip hop
    genre: vietnamese lo-fi
    genre: vietnam indie
    genre: v-pop
    isrc code: SGUM72301731
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T20:13:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2b136a698cab5076e2418165481fef62ad2c9c4a72f87b2d6102c5e30949bb6e
    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: Giờ Em Đã Biết (feat. Minh Huy)
album: Anh Đang Nơi Đâu
album: Trà Chanh
album: những câu hỏi lúc nửa đêm
album: Tình Yêu Sét Đánh
album: những câu hỏi lúc nửa đêm (cuối tuần)
track: Định Mệnh Tình Yêu / Lỡ Say Bye Là Bye - Version Táo Liên Quân 2025
track: Lane Nào Bá Nhất - Version Táo Liên Quân 2025
track: Tết Đong Đầy (Tết Liên Quân 2025) - Full Version
track: Beautiful - Dallien Remix

Đông Noend
type: MusicRecording
duration: PT3M28S
duration ms: 208095
explicit: false
by artist: Changg
in album: Đông Noend
  type: MusicAlbum
  date published: 2022-12-12
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: SGUM72201318
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:02:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1339642fc863f42a8dd8623f77c656454d7d8d216c5c116145e4dfd9ee49892
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGUM72201318
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
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: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+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 0xd1339642fc863f42a8dd8623f77c656454d7d8d216c5c116145e4dfd9ee49892. 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/SGUM72201318.
  date published: 2026-07-02T03:55:08Z
audio: Đông Noend
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.98
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.814
  additional property: Energy
    type: PropertyValue
    value: 0.376
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.286
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.939
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.486
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Định Mệnh Tình Yêu / Lỡ Say Bye Là Bye - Version Táo Liên Quân 2025
type: MusicRecording
duration: PT3M59S
duration ms: 239505
explicit: false
by artist: Liên Quân Mobile
by artist: Changg
by artist: Lemese
in album: Định Mệnh Tình Yêu / Lỡ Say Bye Là Bye (Version Táo Liên Quân 2025)
  type: MusicAlbum
  date published: 2025-01-27
genre: v-pop
genre: vietnamese-hip-hop
genre: vietnam-indie
isrc code: US7VG2581677
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T07:31:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa183d15078de51636252eb52dcca55fb557538ee5e86083fc95acad12dde9d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2581677
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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
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: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+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 0xfa183d15078de51636252eb52dcca55fb557538ee5e86083fc95acad12dde9d4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/US7VG2581677.
  date published: 2026-06-13T13:32:09Z
audio: Định Mệnh Tình Yêu / Lỡ Say Bye Là Bye - Version Táo Liên Quân 2025
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.758
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.758
  additional property: Energy
    type: PropertyValue
    value: 0.771
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.207
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.668
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.332
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lane Nào Bá Nhất - Version Táo Liên Quân 2025
type: MusicRecording
duration: PT2M9S
duration ms: 129048
explicit: false
by artist: Liên Quân Mobile
by artist: Changg
by artist: Dang Minh
by artist: ToRich
in album: Lane Nào Bá Nhất (Version Táo Liên Quân 2025)
  type: MusicAlbum
  date published: 2025-01-27
genre: v-pop
genre: vietnamese-hip-hop
genre: vietnam-indie
isrc code: US7VG2581676
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T16:01:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdf76b85f3ce680526f0263e2a7595a6ea68fce9aaf139b2b9b33676747f7422
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/US7VG2581676
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 0xfdf76b85f3ce680526f0263e2a7595a6ea68fce9aaf139b2b9b33676747f7422. 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/US7VG2581676.
  date published: 2026-07-02T03:55:08Z
audio: Lane Nào Bá Nhất - Version Táo Liên Quân 2025
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 158.78
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.835
  additional property: Energy
    type: PropertyValue
    value: 0.633
  additional property: Speechiness
    type: PropertyValue
    value: 0.109
  additional property: Acousticness
    type: PropertyValue
    value: 0.027
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.053
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.797
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.311
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tết Đong Đầy (Tết Liên Quân 2025) - Full Version
type: MusicRecording
duration: PT3M12S
duration ms: 192500
explicit: false
by artist: Liên Quân Mobile
by artist: Huỳnh James
by artist: Pjnboys
by artist: Lemese
by artist: Changg
by artist: Duy Khánh 周周
in album: Tết Đong Đầy (Tết Liên Quân 2025)
  type: MusicAlbum
  date published: 2025-01-15
genre: v-pop
genre: vietnamese-hip-hop
genre: vietnam-indie
isrc code: US7VG2537434
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T16:00:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf893deb4945c3b70a0a5deaa0e84f088e38961df5603a964872bde1b45710382
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/US7VG2537434
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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 0xf893deb4945c3b70a0a5deaa0e84f088e38961df5603a964872bde1b45710382. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/US7VG2537434.
  date published: 2026-07-02T05:09:12Z
audio: Tết Đong Đầy (Tết Liên Quân 2025) - Full Version
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Beautiful - Dallien Remix
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  date published: 2026-07-30T08:30:10Z
audio: Beautiful - Dallien Remix
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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

OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b136a698cab5076e2418165481fef62ad2c9c4a72f87b2d6102c5e30949bb6e. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T23:13:30Z), 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/SGUM72301731.
date published: 2026-07-15T23:13:30Z

Giờ Em Đã Biết (feat. Minh Huy)
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Anh Đang Nơi Đâu
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Trà Chanh
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những câu hỏi lúc nửa đêm
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track: Trà Chanh
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  genre: vietnam indie
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T14:03:39Z
  audio: Trà Chanh
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Tình Yêu Sét Đánh
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những câu hỏi lúc nửa đêm (cuối tuần)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
  audio: Tình Yêu Sét Đánh
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track: Trò Chơi Noending
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T18:45:44Z
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track: Những Câu Hỏi Lúc Nửa Đêm
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  subject of: OpenTimestamps Proof of Existence
  audio: Những Câu Hỏi Lúc Nửa Đêm
track: Trà Chanh
track: Không Anti Đâu
track: Yêu Lâu Có Chán Không?

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3bc6099c63dee2a483b9d95e7099aa9c26d404d8621392bd292493f28d5c994. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/SGUM72400933.
date published: 2026-07-15T12:03:04Z

Những Câu Hỏi Lúc Nửa Đêm
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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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: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Trà Chanh
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duration ms: 181644
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in album: những câu hỏi lúc nửa đêm (cuối tuần)
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genre: vietnamese hip hop
genre: vietnamese lo-fi
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5600888f0e3c2a78fa096441cac6288729f7f7aac64805fb450a49d1b3b3ca8. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/SGUM72400924.
  date published: 2026-07-05T10:59:37Z
audio: Trà Chanh
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.865
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.524
  additional property: Energy
    type: PropertyValue
    value: 0.417
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.487
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.367
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.69
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Không Anti Đâu
type: MusicRecording
duration: PT3M3S
duration ms: 183925
explicit: false
by artist: Changg
in album: những câu hỏi lúc nửa đêm (cuối tuần)
  type: MusicAlbum
  date published: 2025-01-09
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: SGUM72500020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T20:29:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd2177a594d813dbbfd2d3b94c22accaa3d5d8b18d81753e033e4891f36f4b0bb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/SGUM72500020
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 0xd2177a594d813dbbfd2d3b94c22accaa3d5d8b18d81753e033e4891f36f4b0bb. 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/SGUM72500020.
  date published: 2026-07-02T16:51:38Z
audio: Không Anti Đâu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.016
  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: 0.817
  additional property: Energy
    type: PropertyValue
    value: 0.635
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.281
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.467
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.159
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Yêu Lâu Có Chán Không?
type: MusicRecording
duration: PT3M57S
duration ms: 237777
explicit: false
by artist: Changg
in album: những câu hỏi lúc nửa đêm (cuối tuần)
  type: MusicAlbum
  date published: 2025-01-09
genre: vietnamese hip hop
genre: vietnamese lo-fi
genre: vietnam indie
genre: v-pop
isrc code: SGUM72400935
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T03:41:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94db3b1af18f9520e47a5fbc06fbb9b0a2bcba9452ae4a2cc723fc23f452c1e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958653
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958653
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGUM72400935
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T03:54:23Z
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 0x94db3b1af18f9520e47a5fbc06fbb9b0a2bcba9452ae4a2cc723fc23f452c1e5. Chain 2 (Bitcoin): anchored in block 958653 (2026-07-19T03:54:23Z), 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/SGUM72400935.
  date published: 2026-07-19T03:54:23Z
audio: Yêu Lâu Có Chán Không?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.998
  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: 0.696
  additional property: Energy
    type: PropertyValue
    value: 0.741
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.372
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.359
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.332
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.666
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major