Nadia Ervina
type: MusicGroup
popularity: 5
followers: 5
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec3d150053fd0de82cbe8c079cf10aaf9d1fa476b4ef3c2f08bd95799dcc577b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1256bd8b-67db-4a51-8058-8ac8e26bd09b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1256bd8b-67db-4a51-8058-8ac8e26bd09b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1256bd8b-67db-4a51-8058-8ac8e26bd09b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xec3d150053fd0de82cbe8c079cf10aaf9d1fa476b4ef3c2f08bd95799dcc577b","name":"Nadia Ervina","registered_at":"2026-06-15T19:59:29Z","symbol":"NIM0815987","token_address":"0x5eb63c3f381902482396bcad43781ce850aa8802","type":"artist","uuid":"1256bd8b-67db-4a51-8058-8ac8e26bd09b"}
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 0xec3d150053fd0de82cbe8c079cf10aaf9d1fa476b4ef3c2f08bd95799dcc577b. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1256bd8b-67db-4a51-8058-8ac8e26bd09b.json and https://artists.proofprofile.net/proofs/artist/1256bd8b-67db-4a51-8058-8ac8e26bd09b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xec3d150053fd0de82cbe8c079cf10aaf9d1fa476b4ef3c2f08bd95799dcc577b","name":"Nadia Ervina","registered_at":"2026-06-15T19:59:29Z","symbol":"NIM0815987","token_address":"0x5eb63c3f381902482396bcad43781ce850aa8802","type":"artist","uuid":"1256bd8b-67db-4a51-8058-8ac8e26bd09b"}
album: Electric Skies
  type: MusicAlbum
  date published: 2025-06-04
album: Not the One You Chose
  type: MusicAlbum
  date published: 2025-06-10
  track: Not the One You Chose
    type: MusicRecording
    duration: PT3M27S
    duration ms: 207040
    explicit: false
    by artist: Nadia Ervina
    in album: Not the One You Chose
      type: MusicAlbum
      date published: 2025-06-10
    isrc code: GXBAV2156674
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T13:37:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0983998b05e3698a39f0888ec8f629788354727c83776d6600a3eef8fd412743
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GXBAV2156674
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0x0983998b05e3698a39f0888ec8f629788354727c83776d6600a3eef8fd412743. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GXBAV2156674.
      date published: 2026-07-05T01:12:41Z
    audio: Not the One You Chose
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 89.982
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.661
      additional property: Energy
        type: PropertyValue
        value: 0.38
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.184
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.104
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.112
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.188
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: DI KIRA KIRA
  type: MusicAlbum
  date published: 2025-06-11