Piero
type: MusicGroup
description: Piero is an Italian given name. Notable people with the name include: Piero Angela (1928–2022), Italian television host Piero Barucci (born 1933), Italian academic and politician Piero Cari (born 200
popularity: 13
followers: 292
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34964d84886bd072211003475e5bf4b9b21ac7e5caaa6a7b85e1c942e2d108d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953660
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953660
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5185b38c-9724-454a-b465-ce97e0e373de.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5185b38c-9724-454a-b465-ce97e0e373de.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5185b38c-9724-454a-b465-ce97e0e373de
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T17:20:01Z
additional property: OTSCanonicalRecord
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 0x34964d84886bd072211003475e5bf4b9b21ac7e5caaa6a7b85e1c942e2d108d6. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5185b38c-9724-454a-b465-ce97e0e373de.json and https://artists.proofprofile.net/proofs/artist/5185b38c-9724-454a-b465-ce97e0e373de.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:49:28Z
album: Amour, soleil & Italie, vol. 2 (Des slows, rien que des slows)
  type: MusicAlbum
  date published: 1993
album: Italian Hits
  type: MusicAlbum
  date published: 2012-12-04
album: Brincando e Cantando Com os Pixotinhos
  type: MusicAlbum
  date published: 2014-04-20