Leon Di & Mara
type: MusicGroup
genre: italo dance
popularity: 3
followers: 5
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63a969b96e288ee1b0edf7b75232b388c2b91a7cba14789ecf86a8054be10fb2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebb20a01-a361-4a8b-a85c-fc057104f5fc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebb20a01-a361-4a8b-a85c-fc057104f5fc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ebb20a01-a361-4a8b-a85c-fc057104f5fc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x63a969b96e288ee1b0edf7b75232b388c2b91a7cba14789ecf86a8054be10fb2","name":"Leon Di & Mara","registered_at":"2026-06-21T11:20:56Z","symbol":"NIM1909947","token_address":"0x583d773d2001cd9f646fdf46e69a1ac92927c58c","type":"artist","uuid":"ebb20a01-a361-4a8b-a85c-fc057104f5fc"}
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 0x63a969b96e288ee1b0edf7b75232b388c2b91a7cba14789ecf86a8054be10fb2. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebb20a01-a361-4a8b-a85c-fc057104f5fc.json and https://artists.proofprofile.net/proofs/artist/ebb20a01-a361-4a8b-a85c-fc057104f5fc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x63a969b96e288ee1b0edf7b75232b388c2b91a7cba14789ecf86a8054be10fb2","name":"Leon Di & Mara","registered_at":"2026-06-21T11:20:56Z","symbol":"NIM1909947","token_address":"0x583d773d2001cd9f646fdf46e69a1ac92927c58c","type":"artist","uuid":"ebb20a01-a361-4a8b-a85c-fc057104f5fc"}
album: Vivo per lei - Ich lebe für sie
  type: MusicAlbum
  date published: 2011-04-23
album: Vivo per lei - Ich lebe für sie (Radio Edit)
  type: MusicAlbum
  date published: 2011-04-23
  track: Vivo per lei - Ich lebe für sie - Radio Edit
    type: MusicRecording
    duration: PT4M31S
    duration ms: 271337
    explicit: false
    by artist: Leon Di & Mara
    in album: Vivo per lei - Ich lebe für sie (Radio Edit)
      type: MusicAlbum
      date published: 2011-04-23
    genre: italo dance
    isrc code: DEZ921130013
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T03:55:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x13eb201190be20dd2d45cc0165a901821a0135cd1b8578e645bd29f129cb0ba7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ921130013
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T06:58:39Z
    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 0x13eb201190be20dd2d45cc0165a901821a0135cd1b8578e645bd29f129cb0ba7. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T06:58:39Z), 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/DEZ921130013.
      date published: 2026-07-20T06:58:39Z
    audio: Vivo per lei - Ich lebe für sie - Radio Edit
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.999
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.47
      additional property: Energy
        type: PropertyValue
        value: 0.534
      additional property: Speechiness
        type: PropertyValue
        value: 0.026
      additional property: Acousticness
        type: PropertyValue
        value: 0.486
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.082
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.246
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.952
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major