Buji do Cavaco
type: MusicGroup
genre: arrocha
genre: forró
genre: piseiro
popularity: 39
followers: 721
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04e28d585af37084c216b25831c4dc1ffcef6685a72ee06781f3c8e8d30165c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/06a58f68-5269-4298-95ca-a2e012bf9546.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/06a58f68-5269-4298-95ca-a2e012bf9546.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/06a58f68-5269-4298-95ca-a2e012bf9546
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x04e28d585af37084c216b25831c4dc1ffcef6685a72ee06781f3c8e8d30165c5","name":"Buji do Cavaco","registered_at":"2026-06-11T11:10:42Z","symbol":"NIM0009619","token_address":"0x2e78292ac3fd06a93fa8991269dae5a80541bc97","type":"artist","uuid":"06a58f68-5269-4298-95ca-a2e012bf9546"}
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 0x04e28d585af37084c216b25831c4dc1ffcef6685a72ee06781f3c8e8d30165c5. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/06a58f68-5269-4298-95ca-a2e012bf9546.json and https://artists.proofprofile.net/proofs/artist/06a58f68-5269-4298-95ca-a2e012bf9546.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x04e28d585af37084c216b25831c4dc1ffcef6685a72ee06781f3c8e8d30165c5","name":"Buji do Cavaco","registered_at":"2026-06-11T11:10:42Z","symbol":"NIM0009619","token_address":"0x2e78292ac3fd06a93fa8991269dae5a80541bc97","type":"artist","uuid":"06a58f68-5269-4298-95ca-a2e012bf9546"}
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