Lê Mận
type: MusicGroup
genre: bolero
popularity: 7
followers: 253
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x330d3e1548dc7b8dfa6951770f113b9391a2c2d64296f1db4c8c52e0674cf363
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954004
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954004
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/32bc71d4-786b-497c-8af2-eb6b6c3253c6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/32bc71d4-786b-497c-8af2-eb6b6c3253c6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/32bc71d4-786b-497c-8af2-eb6b6c3253c6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:01:04Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x330d3e1548dc7b8dfa6951770f113b9391a2c2d64296f1db4c8c52e0674cf363","name":"Lê Mận","registered_at":"2026-06-16T07:11:43Z","symbol":"NIM0976478","token_address":"0x0197fe71a685cbc835a908760dbf20181c672214","type":"artist","uuid":"32bc71d4-786b-497c-8af2-eb6b6c3253c6"}
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 0x330d3e1548dc7b8dfa6951770f113b9391a2c2d64296f1db4c8c52e0674cf363. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/32bc71d4-786b-497c-8af2-eb6b6c3253c6.json and https://artists.proofprofile.net/proofs/artist/32bc71d4-786b-497c-8af2-eb6b6c3253c6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x330d3e1548dc7b8dfa6951770f113b9391a2c2d64296f1db4c8c52e0674cf363","name":"Lê Mận","registered_at":"2026-06-16T07:11:43Z","symbol":"NIM0976478","token_address":"0x0197fe71a685cbc835a908760dbf20181c672214","type":"artist","uuid":"32bc71d4-786b-497c-8af2-eb6b6c3253c6"}
album: Bác Hồ Một Tình Yêu Bao La
  type: MusicAlbum
  date published: 2023-07-15
  track: Đêm Nghe Hát Đò Đưa Nhớ Bác
    type: MusicRecording
    duration: PT5M21S
    duration ms: 321611
    explicit: false
    by artist: Lê Mận
    in album: Bác Hồ Một Tình Yêu Bao La
      type: MusicAlbum
      date published: 2023-07-15
    genre: bolero
    isrc code: VNA0F2301863
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T07:36:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1fee46023001a5a3eb1987254325f18d172d8ce09285c2da75f145b10952dd9d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956776
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2301863
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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 0x1fee46023001a5a3eb1987254325f18d172d8ce09285c2da75f145b10952dd9d. 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/VNA0F2301863.
      date published: 2026-07-05T10:59:37Z
    audio: Đêm Nghe Hát Đò Đưa Nhớ Bác
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.035
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 1
      additional property: Danceability
        type: PropertyValue
        value: 0.386
      additional property: Energy
        type: PropertyValue
        value: 0.439
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.825
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.321
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.208
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.808
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor