David Eung Hao
type: MusicGroup
popularity: 13
followers: 229
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x631758c8a414217a604bb52c5595e1a63f1bca87ac9cbecad95043dfc3d56c41
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953621
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953621
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ef764c5-6d5a-4ffe-a617-d26498a92a57.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ef764c5-6d5a-4ffe-a617-d26498a92a57.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1ef764c5-6d5a-4ffe-a617-d26498a92a57
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T09:42:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x631758c8a414217a604bb52c5595e1a63f1bca87ac9cbecad95043dfc3d56c41","name":"David Eung Hao","registered_at":"2026-06-14T07:38:19Z","symbol":"NIM0383820","token_address":"0xe76bce3be63f43ade1c79f58d6a2ead13e6ecbce","type":"artist","uuid":"1ef764c5-6d5a-4ffe-a617-d26498a92a57"}
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 0x631758c8a414217a604bb52c5595e1a63f1bca87ac9cbecad95043dfc3d56c41. Chain 2 (Bitcoin): anchored in block 953621 (2026-06-14T09:42:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ef764c5-6d5a-4ffe-a617-d26498a92a57.json and https://artists.proofprofile.net/proofs/artist/1ef764c5-6d5a-4ffe-a617-d26498a92a57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:42:57Z
  text: {"copyright_id":"0x631758c8a414217a604bb52c5595e1a63f1bca87ac9cbecad95043dfc3d56c41","name":"David Eung Hao","registered_at":"2026-06-14T07:38:19Z","symbol":"NIM0383820","token_address":"0xe76bce3be63f43ade1c79f58d6a2ead13e6ecbce","type":"artist","uuid":"1ef764c5-6d5a-4ffe-a617-d26498a92a57"}
album: All 4 Nothing (I'm So In Love)
  type: MusicAlbum
  date published: 2023-02-02
album: តើមានបទចំរៀងមួយណាធើ្វអោយអូននឹកដល់បង?
  type: MusicAlbum
  date published: 2023-03-11
  track: តើមានបទចំរៀងមួយណាធើ្វអោយអូននឹកដល់បង?
    type: MusicRecording
    duration: PT3M27S
    duration ms: 207500
    explicit: false
    by artist: David Eung Hao
    in album: តើមានបទចំរៀងមួយណាធើ្វអោយអូននឹកដល់បង?
      type: MusicAlbum
      date published: 2023-03-11
    isrc code: QZES72338517
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T09:17:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4c547a97828d78c4217b661050b50a0d6d23e337fea802d030459b6d9d23c4ba
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958711
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958711
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72338517
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T09:26:32Z
    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 0x4c547a97828d78c4217b661050b50a0d6d23e337fea802d030459b6d9d23c4ba. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/QZES72338517.
      date published: 2026-07-19T09:26:32Z
    audio: តើមានបទចំរៀងមួយណាធើ្វអោយអូននឹកដល់បង?
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 127.977
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.716
      additional property: Energy
        type: PropertyValue
        value: 0.134
      additional property: Speechiness
        type: PropertyValue
        value: 0.057
      additional property: Acousticness
        type: PropertyValue
        value: 0.971
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.13
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.379
      additional property: Loudness (dB)
        type: PropertyValue
        value: -18.821
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Reverse This
  type: MusicAlbum
  date published: 2024-10-24
  track: Reverse This
    type: MusicRecording
    duration: PT3M46S
    duration ms: 226560
    explicit: false
    by artist: David Eung Hao
    in album: Reverse This
      type: MusicAlbum
      date published: 2024-10-24
    isrc code: SGUM72400915
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T01:37:29+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x02d5b4ff7b9b4339796884005e998e208d3b12b0dc50ea79585e07401926c676
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956862
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956862
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGUM72400915
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T02:10:22Z
    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 0x02d5b4ff7b9b4339796884005e998e208d3b12b0dc50ea79585e07401926c676. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/SGUM72400915.
      date published: 2026-07-06T02:10:22Z
    audio: Reverse This
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 125.003
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.808
      additional property: Energy
        type: PropertyValue
        value: 0.717
      additional property: Speechiness
        type: PropertyValue
        value: 0.058
      additional property: Acousticness
        type: PropertyValue
        value: 0.077
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.037
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: More than a love song
album: Kenorei

Valence (Positivity)
type: PropertyValue
value: 0.707

Loudness (dB)
type: PropertyValue
value: -4.968

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Minor

More than a love song
type: MusicAlbum
date published: 2025-02-07

Kenorei
type: MusicAlbum
date published: 2025-04-08