Maciel Valente
type: MusicGroup
genre: forró
genre: piseiro
popularity: 12
followers: 295
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe3e7267d2f74fcf6c08846fc8ff7953cbdbfa4bb2e8545bc78ebc8a8b8c5c86d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953786
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953786
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d5d5e719-dc7a-45b3-a7cc-ebc99034360b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d5d5e719-dc7a-45b3-a7cc-ebc99034360b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d5d5e719-dc7a-45b3-a7cc-ebc99034360b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T12:56:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe3e7267d2f74fcf6c08846fc8ff7953cbdbfa4bb2e8545bc78ebc8a8b8c5c86d","name":"Maciel Valente","registered_at":"2026-06-15T03:03:46Z","symbol":"NIM0661888","token_address":"0xc7f2bf4162e4aa756ab847bb4ef6ba5869e79dc8","type":"artist","uuid":"d5d5e719-dc7a-45b3-a7cc-ebc99034360b"}
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 0xe3e7267d2f74fcf6c08846fc8ff7953cbdbfa4bb2e8545bc78ebc8a8b8c5c86d. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d5d5e719-dc7a-45b3-a7cc-ebc99034360b.json and https://artists.proofprofile.net/proofs/artist/d5d5e719-dc7a-45b3-a7cc-ebc99034360b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T12:56:12Z
  text: {"copyright_id":"0xe3e7267d2f74fcf6c08846fc8ff7953cbdbfa4bb2e8545bc78ebc8a8b8c5c86d","name":"Maciel Valente","registered_at":"2026-06-15T03:03:46Z","symbol":"NIM0661888","token_address":"0xc7f2bf4162e4aa756ab847bb4ef6ba5869e79dc8","type":"artist","uuid":"d5d5e719-dc7a-45b3-a7cc-ebc99034360b"}
album: Maciel Valente
  type: MusicAlbum
  date published: 2019-03-14
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-05-30