Anita Cerquetti
type: MusicGroup
genre: opera
description: thumb|Anita Cerquetti Anita Cerquetti (13 April 193111 October 2014) was an Italian dramatic soprano who had a short but meteoric career in the 1950s. Her voice was very powerful and pleasing to audi
popularity: 6
followers: 1397
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe32080ec98dd4fd32f8740c0e669a518f4dacf9c77e36858eb41e1bd836b4433
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b10811af-0b69-42f6-9881-fbf2f75619e7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b10811af-0b69-42f6-9881-fbf2f75619e7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b10811af-0b69-42f6-9881-fbf2f75619e7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe32080ec98dd4fd32f8740c0e669a518f4dacf9c77e36858eb41e1bd836b4433","name":"Anita Cerquetti","registered_at":"2026-06-20T12:13:07Z","symbol":"NIM1610682","token_address":"0x2c68d3cc734ee7cc146b5ff70dcc88500d504036","type":"artist","uuid":"b10811af-0b69-42f6-9881-fbf2f75619e7"}
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 0xe32080ec98dd4fd32f8740c0e669a518f4dacf9c77e36858eb41e1bd836b4433. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b10811af-0b69-42f6-9881-fbf2f75619e7.json and https://artists.proofprofile.net/proofs/artist/b10811af-0b69-42f6-9881-fbf2f75619e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0xe32080ec98dd4fd32f8740c0e669a518f4dacf9c77e36858eb41e1bd836b4433","name":"Anita Cerquetti","registered_at":"2026-06-20T12:13:07Z","symbol":"NIM1610682","token_address":"0x2c68d3cc734ee7cc146b5ff70dcc88500d504036","type":"artist","uuid":"b10811af-0b69-42f6-9881-fbf2f75619e7"}
album: Verdi: Ernani (Recorded 1957) [Live]
  type: MusicAlbum
  date published: 2015-02-01
album: Belini: Norma (Recorded 1958) [Live]
  type: MusicAlbum
  date published: 2015-02-01
album: Verdi: Un ballo in maschera (Live)
  type: MusicAlbum
  date published: 2014-11-04
album: Weber: Oberon, J. 306 (Recorded 1957)
  type: MusicAlbum
  date published: 2015-01-01
album: La Forza Del Destino
  type: MusicAlbum
  date published: 2000-01-01