Nam Duck
type: MusicGroup
genre: vinahouse
popularity: 25
followers: 321
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd87508b4650bd11477c33de586afebce8a76a9f58114963fa0377e20d0a74438
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/74cc2936-8330-4da2-a85f-17ca8da3d4af.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/74cc2936-8330-4da2-a85f-17ca8da3d4af.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/74cc2936-8330-4da2-a85f-17ca8da3d4af
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd87508b4650bd11477c33de586afebce8a76a9f58114963fa0377e20d0a74438","name":"Nam Duck","registered_at":"2026-06-12T01:10:35Z","symbol":"NIM0152501","token_address":"0x3a0bd4b345c70684cb27c74b0d1055e585b886de","type":"artist","uuid":"74cc2936-8330-4da2-a85f-17ca8da3d4af"}
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 0xd87508b4650bd11477c33de586afebce8a76a9f58114963fa0377e20d0a74438. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/74cc2936-8330-4da2-a85f-17ca8da3d4af.json and https://artists.proofprofile.net/proofs/artist/74cc2936-8330-4da2-a85f-17ca8da3d4af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xd87508b4650bd11477c33de586afebce8a76a9f58114963fa0377e20d0a74438","name":"Nam Duck","registered_at":"2026-06-12T01:10:35Z","symbol":"NIM0152501","token_address":"0x3a0bd4b345c70684cb27c74b0d1055e585b886de","type":"artist","uuid":"74cc2936-8330-4da2-a85f-17ca8da3d4af"}
album: Có Mới Nới Cũ (Remix) [Full Instrumental]
  type: MusicAlbum
  date published: 2023-02-23
album: Nếu Như Không Phải Chia Ly (Vinahouse Version 3)
  type: MusicAlbum
  date published: 2024-11-06
album: Nếu Như Không Phải Chia Ly (Vinahouse Beat Version 5)
  type: MusicAlbum
  date published: 2024-11-06
album: Nếu Như Không Phải Chia Ly (Vinahouse Beat Version 4)
  type: MusicAlbum
  date published: 2024-11-06
album: Nếu Như Không Phải Chia Ly (Deep Version 2)
  type: MusicAlbum
  date published: 2024-11-06
album: Nếu Như Không Phải Chia Ly (Deep Beat Version 2)
  type: MusicAlbum
  date published: 2024-11-06
album: Nếu Như Không Phải Chia Ly (Cute Version Beat Ver 7)
  type: MusicAlbum
  date published: 2024-11-06
album: Phong Dạ Hành (Vinahouse Version 4)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Vinahouse Version 3)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Vinahouse Version 2)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Vinahouse Version 1)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Vinahouse Beat Version 4)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Vinahouse Beat Version 1)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Slowed)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Deep Chill Version 5)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Deep Chill Beat Version 5)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Cute Version 7)
  type: MusicAlbum
  date published: 2024-11-05
album: Phong Dạ Hành (Cute Beat Version 6)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Vinahouse Version 4)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Vinahouse Version 3)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Vinahouse Version 1)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Vinahouse Beat Version 4)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Vinahouse Beat Version 2)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Vinahouse Beat Version 1)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Speed Up)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Lofi Beat)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Deep Chill Version 5)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Deep Chill Beat Version 5)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Cute Version 6)
  type: MusicAlbum
  date published: 2024-11-05
album: Oai Phong (Cute Beat Version 7)
  type: MusicAlbum
  date published: 2024-11-05
album: Nếu Như Không Phải Chia Ly (Vinahouse Version 1)
  type: MusicAlbum
  date published: 2024-11-04
album: Nếu Như Không Phải Chia Ly (Vinahouse Beat Version 1)
  type: MusicAlbum
  date published: 2024-11-04
album: Nếu Như Không Phải Chia Ly (Lofi)
  type: MusicAlbum
  date published: 2024-11-04
album: Lời Hứa (Nam Duck Vinahouse Version 5)
  type: MusicAlbum
  date published: 2024-11-04
album: Lời Hứa (Nam Duck Vinahouse Version 3)
  type: MusicAlbum
  date published: 2024-11-04
album: Lời Hứa (Nam Duck Vinahouse Version 1)
  type: MusicAlbum
  date published: 2024-11-04
album: Lời Hứa (Nam Duck Vinahouse Beat Version 5)
  type: MusicAlbum
  date published: 2024-11-04
album: Lời Hứa (Nam Duck Vinahouse Beat Version 4)
  type: MusicAlbum
  date published: 2024-11-04
album: Lời Hứa (Nam Duck Vinahouse Beat Version 2)
  type: MusicAlbum
  date published: 2024-11-04
album: Lời Hứa (Nam Duck Vinahouse Beat Version 1)
  type: MusicAlbum
  date published: 2024-11-04
album: Lời Hứa (Nam Duck Slowed)
  type: MusicAlbum
  date published: 2024-11-04