Espedito Abrahão & Os Campeiros
type: MusicGroup
popularity: 2
followers: 191
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8dd47cad4344dc8366e9bdd63c756b2de8608b28baaca29bf9efeecd5ad15f27
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954638
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954638
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d37324b2-ad69-4f54-9911-a0055d175a7b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d37324b2-ad69-4f54-9911-a0055d175a7b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d37324b2-ad69-4f54-9911-a0055d175a7b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T03:45:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8dd47cad4344dc8366e9bdd63c756b2de8608b28baaca29bf9efeecd5ad15f27","name":"Espedito Abrahão & Os Campeiros","registered_at":"2026-06-21T01:41:16Z","symbol":"NIM1780595","token_address":"0x7e25574abf84ab40f78e723c1c2c3c370b44ff9b","type":"artist","uuid":"d37324b2-ad69-4f54-9911-a0055d175a7b"}
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 0x8dd47cad4344dc8366e9bdd63c756b2de8608b28baaca29bf9efeecd5ad15f27. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d37324b2-ad69-4f54-9911-a0055d175a7b.json and https://artists.proofprofile.net/proofs/artist/d37324b2-ad69-4f54-9911-a0055d175a7b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
  text: {"copyright_id":"0x8dd47cad4344dc8366e9bdd63c756b2de8608b28baaca29bf9efeecd5ad15f27","name":"Espedito Abrahão & Os Campeiros","registered_at":"2026-06-21T01:41:16Z","symbol":"NIM1780595","token_address":"0x7e25574abf84ab40f78e723c1c2c3c370b44ff9b","type":"artist","uuid":"d37324b2-ad69-4f54-9911-a0055d175a7b"}
album: Um Canto Terrunho
  type: MusicAlbum
  date published: 2013-06-01
album: Rumo do Coração
  type: MusicAlbum
  date published: 2017-09-29
album: Música Sul Brasileira Ao Vivo
  type: MusicAlbum
  date published: 2017-10-17
album: Barco à Deriva
  type: MusicAlbum
  date published: 2021-04-13
album: Deus Quem Sabe (Nova Versão)
  type: MusicAlbum
  date published: 2021-11-08
album: Obrigado Pai Obrigado Vida
  type: MusicAlbum
  date published: 2022-06-08
album: Mango e Pelego
  type: MusicAlbum
  date published: 2022-09-23
album: Bolicho
  type: MusicAlbum
  date published: 2022-12-08
album: Botaço Campeiro
  type: MusicAlbum
  date published: 2023-03-09
album: Morena Luxuosa
  type: MusicAlbum
  date published: 2023-12-14
album: Gaúcho e Brasileiro
  type: MusicAlbum
  date published: 2024-04-15
album: Sapezal
  type: MusicAlbum
  date published: 2025-04-20