Ion Zanca
type: MusicGroup
genre: neoclassical
popularity: 23
followers: 120
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d7040fb9d3ef744efa84afbcf34b329c4f0d54e03fd2d68b618abd66bdeb2b7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8dd522e7-ea9a-41d1-a542-5cf7cdb47c54.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8dd522e7-ea9a-41d1-a542-5cf7cdb47c54.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8dd522e7-ea9a-41d1-a542-5cf7cdb47c54
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6d7040fb9d3ef744efa84afbcf34b329c4f0d54e03fd2d68b618abd66bdeb2b7","name":"Ion Zanca","registered_at":"2026-06-12T04:08:33Z","symbol":"NIM0182337","token_address":"0xd0f7c15a8232caed0396440b32701c424ed7d156","type":"artist","uuid":"8dd522e7-ea9a-41d1-a542-5cf7cdb47c54"}
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 0x6d7040fb9d3ef744efa84afbcf34b329c4f0d54e03fd2d68b618abd66bdeb2b7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8dd522e7-ea9a-41d1-a542-5cf7cdb47c54.json and https://artists.proofprofile.net/proofs/artist/8dd522e7-ea9a-41d1-a542-5cf7cdb47c54.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x6d7040fb9d3ef744efa84afbcf34b329c4f0d54e03fd2d68b618abd66bdeb2b7","name":"Ion Zanca","registered_at":"2026-06-12T04:08:33Z","symbol":"NIM0182337","token_address":"0xd0f7c15a8232caed0396440b32701c424ed7d156","type":"artist","uuid":"8dd522e7-ea9a-41d1-a542-5cf7cdb47c54"}
album: ROMANI: The Untold Story
  type: MusicAlbum
  date published: 2024-08-23
  track: Rhapsody for the Romani
    type: MusicRecording
    duration: PT5M39S
    duration ms: 339586
    explicit: false
    by artist: Ion Zanca
    in album: ROMANI: The Untold Story
      type: MusicAlbum
      date published: 2024-08-23
    genre: neoclassical
    isrc code: QZWV32418425
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T18:39:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb21f22dc49e4ffcfbf2fc02c7b2670712772486c8d4a0c8fdc2e8df3fe1ebd55
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958319
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958319
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWV32418425
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T21:40:47Z
    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 0xb21f22dc49e4ffcfbf2fc02c7b2670712772486c8d4a0c8fdc2e8df3fe1ebd55. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T21:40:47Z), 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/QZWV32418425.
      date published: 2026-07-16T21:40:47Z
    audio: Rhapsody for the Romani
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.025
      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: 0.412
      additional property: Energy
        type: PropertyValue
        value: 0.413
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.857
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.705
      additional property: Liveness
        type: PropertyValue
        value: 0.198
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.358
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.849
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor