Pháo
type: MusicGroup
description: Nguyễn Diệu Huyền (born 28 March 2003), commonly known by her stage name Pháo, is a Vietnamese rapper and music producer. She was born and raised in Tuyên Quang. The name "Pháo" (lit. 'cannon' or 'fir
popularity: 11
followers: 29
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e89005a0abace92d68c2639c986d166c9bd68d7933d4bc8c373b3385accc70e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953588
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953588
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/000d4935-1960-459c-9f6c-66bcafaed9c7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/000d4935-1960-459c-9f6c-66bcafaed9c7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/000d4935-1960-459c-9f6c-66bcafaed9c7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T04:52:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8e89005a0abace92d68c2639c986d166c9bd68d7933d4bc8c373b3385accc70e","name":"Pháo","registered_at":"2026-06-14T04:24:32Z","symbol":"NIM0337990","token_address":"0x4d2fa8e9e2f3c555b0450db9422c417759676671","type":"artist","uuid":"000d4935-1960-459c-9f6c-66bcafaed9c7"}
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 0x8e89005a0abace92d68c2639c986d166c9bd68d7933d4bc8c373b3385accc70e. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/000d4935-1960-459c-9f6c-66bcafaed9c7.json and https://artists.proofprofile.net/proofs/artist/000d4935-1960-459c-9f6c-66bcafaed9c7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T04:52:46Z
  text: {"copyright_id":"0x8e89005a0abace92d68c2639c986d166c9bd68d7933d4bc8c373b3385accc70e","name":"Pháo","registered_at":"2026-06-14T04:24:32Z","symbol":"NIM0337990","token_address":"0x4d2fa8e9e2f3c555b0450db9422c417759676671","type":"artist","uuid":"000d4935-1960-459c-9f6c-66bcafaed9c7"}
album: Kìa Bóng Dáng Ai
  type: MusicAlbum
  date published: 2023-01-12
  track: Kìa Bóng Dáng Ai
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164266
    explicit: false
    by artist: Pháo
    in album: Kìa Bóng Dáng Ai
      type: MusicAlbum
      date published: 2023-01-12
    isrc code: QM4TW2308373
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T16:23:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9a5ff7d8c9e95cbc5d08df34b2cacb69455fa06a052f90b6585e9a7a9c5db0a0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 958444
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958444
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2308373
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:12:23Z
    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 0x9a5ff7d8c9e95cbc5d08df34b2cacb69455fa06a052f90b6585e9a7a9c5db0a0. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QM4TW2308373.
      date published: 2026-07-17T19:12:23Z
    audio: Kìa Bóng Dáng Ai
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.976
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.82
      additional property: Energy
        type: PropertyValue
        value: 0.54
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.355
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.109
      additional property: Liveness
        type: PropertyValue
        value: 0.089
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.725
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.143
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Một Ngày Chẳng Nắng
  type: MusicAlbum
  date published: 2023-04-28
  track: Một Ngày Chẳng Nắng
    type: MusicRecording
    duration: PT3M12S
    duration ms: 192997
    explicit: false
    by artist: Pháo
    in album: Một Ngày Chẳng Nắng
      type: MusicAlbum
      date published: 2023-04-28
    isrc code: QM6N22381485
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T06:08:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf0eeac313085c43f57b9a6f23187c791bc834f397e16911546ae65dea539008c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958111
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958111
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N22381485
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T06:58:20Z
    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 0xf0eeac313085c43f57b9a6f23187c791bc834f397e16911546ae65dea539008c. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/QM6N22381485.
      date published: 2026-07-15T06:58:20Z
    audio: Một Ngày Chẳng Nắng
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 101.038
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.921
      additional property: Energy
        type: PropertyValue
        value: 0.28
      additional property: Speechiness
        type: PropertyValue
        value: 0.154
      additional property: Acousticness
        type: PropertyValue
        value: 0.858
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.043
      additional property: Liveness
        type: PropertyValue
        value: 0.102
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Valence (Positivity)
type: PropertyValue
value: 0.645

Loudness (dB)
type: PropertyValue
value: -10.743

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor