Nopa Sobarna
type: MusicGroup
genre: sholawat
popularity: 4
followers: 57
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95b8642351980f1f6cff1bbdebba02009ee716f02c128767482a0ab8b272d746
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/87ec2236-d818-4ded-ba97-12060519a4e0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/87ec2236-d818-4ded-ba97-12060519a4e0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/87ec2236-d818-4ded-ba97-12060519a4e0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x95b8642351980f1f6cff1bbdebba02009ee716f02c128767482a0ab8b272d746","name":"Nopa Sobarna","registered_at":"2026-06-17T13:01:32Z","symbol":"NIM1403386","token_address":"0x0962b4d167a9cf0ea56be9a7ae02de8ca0e81ab0","type":"artist","uuid":"87ec2236-d818-4ded-ba97-12060519a4e0"}
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 0x95b8642351980f1f6cff1bbdebba02009ee716f02c128767482a0ab8b272d746. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87ec2236-d818-4ded-ba97-12060519a4e0.json and https://artists.proofprofile.net/proofs/artist/87ec2236-d818-4ded-ba97-12060519a4e0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x95b8642351980f1f6cff1bbdebba02009ee716f02c128767482a0ab8b272d746","name":"Nopa Sobarna","registered_at":"2026-06-17T13:01:32Z","symbol":"NIM1403386","token_address":"0x0962b4d167a9cf0ea56be9a7ae02de8ca0e81ab0","type":"artist","uuid":"87ec2236-d818-4ded-ba97-12060519a4e0"}
album: Renungan Piano
  type: MusicAlbum
  date published: 2023-04-12
album: Piano Menenangkan Hati
  type: MusicAlbum
  date published: 2023-04-14
album: Piano Sedih
  type: MusicAlbum
  date published: 2023-04-20
album: Piano Menyentuh Hati
  type: MusicAlbum
  date published: 2023-05-12
album: Piano Bahagia
  type: MusicAlbum
  date published: 2023-05-12
album: Piano Emosional Sedih
  type: MusicAlbum
  date published: 2023-05-20
album: Piano Menangis Sendirian
  type: MusicAlbum
  date published: 2023-05-20
album: Musik Sedih
  type: MusicAlbum
  date published: 2023-05-26
  track: Musik Sedih
    type: MusicRecording
    duration: PT1M39S
    duration ms: 99966
    explicit: false
    by artist: Nopa Sobarna
    in album: Musik Sedih
      type: MusicAlbum
      date published: 2023-05-26
    genre: sholawat
    isrc code: SGB502293895
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T15:34:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x704a7c92c6c40ed772524ab0f69a99a1f9da33410e39d1592e9515eed0c2fc90
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958573
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958573
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGB502293895
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T15:49:54Z
    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 0x704a7c92c6c40ed772524ab0f69a99a1f9da33410e39d1592e9515eed0c2fc90. Chain 2 (Bitcoin): anchored in block 958573 (2026-07-18T15:49:54Z), 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/SGB502293895.
      date published: 2026-07-18T15:49:54Z
    audio: Musik Sedih
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.94
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.566
      additional property: Energy
        type: PropertyValue
        value: 0.049
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.985
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.782
      additional property: Liveness
        type: PropertyValue
        value: 0.109
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.245
      additional property: Loudness (dB)
        type: PropertyValue
        value: -22.611
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Piano Sad Miss You
  type: MusicAlbum
  date published: 2023-06-10
album: Piano Broken Heart
  type: MusicAlbum
  date published: 2023-06-10
album: Sad Piano
  type: MusicAlbum
  date published: 2023-07-24
album: Sholawat Sedih Bikin Nangis
  type: MusicAlbum
  date published: 2023-11-19
album: Piano Sholawat Sedih
  type: MusicAlbum
  date published: 2023-11-19