Barreiro
type: MusicGroup
description: Barreiro may refer to: People Bruno Barreiro (born 1965), American politician Gustavo Barreiro (1959–2019), American politician Jose Carlos Barreiro, São Toméan politician Manu Barreiro (born 198
popularity: 5
followers: 114
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddd3171c081f3da0a9e5917ff1e0954b3bb17fecb19ebacf9a17c64afc908813
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954689
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954689
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e41afe05-a8f1-47bb-b6c6-14a555c46fc9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e41afe05-a8f1-47bb-b6c6-14a555c46fc9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e41afe05-a8f1-47bb-b6c6-14a555c46fc9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T10:35:31Z
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 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 0xddd3171c081f3da0a9e5917ff1e0954b3bb17fecb19ebacf9a17c64afc908813. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e41afe05-a8f1-47bb-b6c6-14a555c46fc9.json and https://artists.proofprofile.net/proofs/artist/e41afe05-a8f1-47bb-b6c6-14a555c46fc9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T10:35:31Z
album: Brindo
  type: MusicAlbum
  date published: 2022-04-17
album: Cortes
  type: MusicAlbum
  date published: 2022-05-05
album: Testigos del 3ºD
  type: MusicAlbum
  date published: 2022-12-01
album: 3G
  type: MusicAlbum
  date published: 2023-04-01
album: Zuiver
  type: MusicAlbum
  date published: 2023-05-01
album: Idas e Voltas
  type: MusicAlbum
  date published: 2024-09-29
album: Colleita Propia
  type: MusicAlbum
  date published: 2024-11-15
album: Nada Vale
  type: MusicAlbum
  date published: 2024-11-16
album: D'ABAIXO
  type: MusicAlbum
  date published: 2024-12-25
album: PORCOS E DIAMANTES
  type: MusicAlbum
  date published: 2025-01-23