Davide Calvi
type: MusicGroup
popularity: 4
followers: 78
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x049a1501a7fdb46ec3b57795ced7920a97a3621c0102b754664d3c9955f8a543
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954647
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954647
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d71428a0-8270-4ca9-b780-366f0f788da2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d71428a0-8270-4ca9-b780-366f0f788da2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d71428a0-8270-4ca9-b780-366f0f788da2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:36:58Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x049a1501a7fdb46ec3b57795ced7920a97a3621c0102b754664d3c9955f8a543","name":"Davide Calvi","registered_at":"2026-06-21T03:24:33Z","symbol":"NIM1801410","token_address":"0xac8a1590c7a672303908c6c9d46cd4a7dafd5b6f","type":"artist","uuid":"d71428a0-8270-4ca9-b780-366f0f788da2"}
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 0x049a1501a7fdb46ec3b57795ced7920a97a3621c0102b754664d3c9955f8a543. Chain 2 (Bitcoin): anchored in block 954647 (2026-06-21T04:36:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d71428a0-8270-4ca9-b780-366f0f788da2.json and https://artists.proofprofile.net/proofs/artist/d71428a0-8270-4ca9-b780-366f0f788da2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:36:58Z
  text: {"copyright_id":"0x049a1501a7fdb46ec3b57795ced7920a97a3621c0102b754664d3c9955f8a543","name":"Davide Calvi","registered_at":"2026-06-21T03:24:33Z","symbol":"NIM1801410","token_address":"0xac8a1590c7a672303908c6c9d46cd4a7dafd5b6f","type":"artist","uuid":"d71428a0-8270-4ca9-b780-366f0f788da2"}
album: The Most Beautiful Italian Mountain Melodies Played In Jazz Style
  type: MusicAlbum
  date published: 2009-03-09
album: Brokers - Eroi per caso
  type: MusicAlbum
  date published: 2009-06-10
album: Celtic Piano
  type: MusicAlbum
  date published: 2015-05-15
album: Churchill
  type: MusicAlbum
  date published: 2021-03-19
album: The russian game
  type: MusicAlbum
  date published: 2022-09-02
album: Gesse Owens
  type: MusicAlbum
  date published: 2022-09-02
album: Girl with a Pearl Earring
  type: MusicAlbum
  date published: 2022-09-05
album: Hallelujah
  type: MusicAlbum
  date published: 2022-09-07
album: Memories
  type: MusicAlbum
  date published: 2022-09-14
album: We'll meet again
  type: MusicAlbum
  date published: 2022-10-30
album: Scott Hamilton (New Full Concert Amazing Scott)
  type: MusicAlbum
  date published: 2024-09-02
album: In Or Out
  type: MusicAlbum
  date published: 2024-09-03
album: I Will Survive (Slow Piano Smooth Jazz Cover)
  type: MusicAlbum
  date published: 2024-09-08