Giovanni Martinelli
type: MusicGroup
genre: opera
description: thumb|Giovanni Martinelli Giovanni Martinelli (22 October 1885 – 2 February 1969) was an Italian operatic spinto tenor. He was associated with the Italian lyric-dramatic repertory, although he perfor
popularity: 4
followers: 2061
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x010bfba8434a72ca6fcbde56580454582e1af5ef369b6ae569a1568e603ce276
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953871
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953871
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/06f70748-30af-42b0-9f1b-a602afe1d71e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/06f70748-30af-42b0-9f1b-a602afe1d71e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/06f70748-30af-42b0-9f1b-a602afe1d71e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:46:03Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x010bfba8434a72ca6fcbde56580454582e1af5ef369b6ae569a1568e603ce276","name":"Giovanni Martinelli","registered_at":"2026-06-15T15:56:45Z","symbol":"NIM0758074","token_address":"0x9f25803d329ab2f7db35f672116b6e7bdf87bdbf","type":"artist","uuid":"06f70748-30af-42b0-9f1b-a602afe1d71e"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x010bfba8434a72ca6fcbde56580454582e1af5ef369b6ae569a1568e603ce276. Chain 2 (Bitcoin): anchored in block 953871 (2026-06-16T01:46:03Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/06f70748-30af-42b0-9f1b-a602afe1d71e.json and https://artists.proofprofile.net/proofs/artist/06f70748-30af-42b0-9f1b-a602afe1d71e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T01:46:03Z
  text: {"copyright_id":"0x010bfba8434a72ca6fcbde56580454582e1af5ef369b6ae569a1568e603ce276","name":"Giovanni Martinelli","registered_at":"2026-06-15T15:56:45Z","symbol":"NIM0758074","token_address":"0x9f25803d329ab2f7db35f672116b6e7bdf87bdbf","type":"artist","uuid":"06f70748-30af-42b0-9f1b-a602afe1d71e"}
album: Golden Years
  type: MusicAlbum
  date published: 2000-01-01
album: Aida with Giovanni Martinelli live
  type: MusicAlbum
  date published: 2022-04-01
album: Il Trovatore
  type: MusicAlbum
  date published: 2000-01-01