Davide Petrella
type: MusicGroup
description: Davide Petrella (born 6 August 1985), also known as Tropico, is an Italian singer-songwriter, composer, and lyricist. Life and career Born in Naples, Petrella started his career as founder and fro
popularity: 7
followers: 17403
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954638
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954638
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/d485957b-78ed-49e1-8a9c-b56cbe424aff.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x201b34adb311f87b5374bf1f4d826e86012d95448e01b4aec301bc78602caab5. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d485957b-78ed-49e1-8a9c-b56cbe424aff.json and https://artists.proofprofile.net/proofs/artist/d485957b-78ed-49e1-8a9c-b56cbe424aff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
  text: {"copyright_id":"0x201b34adb311f87b5374bf1f4d826e86012d95448e01b4aec301bc78602caab5","name":"Davide Petrella","registered_at":"2026-06-21T02:09:03Z","symbol":"NIM1787151","token_address":"0x03344c36b03782f2880e335578e50d272c64e742","type":"artist","uuid":"d485957b-78ed-49e1-8a9c-b56cbe424aff"}
album: Einstein
  type: MusicAlbum
  date published: 2017-04-21
album: Skyline
  type: MusicAlbum
  date published: 2017-10-27
album: Non può fare male
  type: MusicAlbum
  date published: 2017-12-08
album: Litigare
  type: MusicAlbum
  date published: 2018-05-18
album: Litigare
  type: MusicAlbum
  date published: 2018-06-08
  track: Litigare
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213520
    explicit: false
    by artist: Davide Petrella
    in album: Litigare
      type: MusicAlbum
      date published: 2018-06-08
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITQ001800218
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T21:40:06Z
    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 0x72b90dba6aad5d1b9c4d3dbbf522b900b896a9187b2bebd416c99fe4892f0a5b. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/ITQ001800218.
      date published: 2026-07-19T21:40:06Z
    audio: Litigare
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
        type: PropertyValue
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      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.47
      additional property: Key Name
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        value: A
      additional property: Mode Name
        type: PropertyValue
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