LEVINHO DO ARROCHA
type: MusicGroup
genre: arrocha
genre: forró
genre: piseiro
genre: seresta
popularity: 3
followers: 128
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0583c475344596e360f52ae2a1af92ec70201fb2ca308dcbb00b7e92c28d550
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b1ad00c8-ce04-45e7-a44e-d7b83dc52470.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b1ad00c8-ce04-45e7-a44e-d7b83dc52470.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b1ad00c8-ce04-45e7-a44e-d7b83dc52470
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb0583c475344596e360f52ae2a1af92ec70201fb2ca308dcbb00b7e92c28d550","name":"LEVINHO DO ARROCHA","registered_at":"2026-06-20T12:27:16Z","symbol":"NIM1612713","token_address":"0x4168936f374ef710f72a25d12b6ad905eb89b3a2","type":"artist","uuid":"b1ad00c8-ce04-45e7-a44e-d7b83dc52470"}
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 0xb0583c475344596e360f52ae2a1af92ec70201fb2ca308dcbb00b7e92c28d550. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b1ad00c8-ce04-45e7-a44e-d7b83dc52470.json and https://artists.proofprofile.net/proofs/artist/b1ad00c8-ce04-45e7-a44e-d7b83dc52470.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0xb0583c475344596e360f52ae2a1af92ec70201fb2ca308dcbb00b7e92c28d550","name":"LEVINHO DO ARROCHA","registered_at":"2026-06-20T12:27:16Z","symbol":"NIM1612713","token_address":"0x4168936f374ef710f72a25d12b6ad905eb89b3a2","type":"artist","uuid":"b1ad00c8-ce04-45e7-a44e-d7b83dc52470"}
album: Vem Com O Levinho
  type: MusicAlbum
  date published: 2020-06-23
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  type: MusicAlbum
  date published: 2020-07-07
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  type: MusicAlbum
  date published: 2020-07-20
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2021-08-03
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  type: MusicAlbum
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  type: MusicAlbum
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