Leandrinho Assis
type: MusicGroup
genre: arrocha
genre: brega
genre: seresta
popularity: 2
followers: 98
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44f36cae4630fc2b84bb4d0bbf0f04195475ea9f7a866b971ee174de4d8f126f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953982
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953982
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2caddeee-b8c9-449b-9fd1-008ff414af2a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2caddeee-b8c9-449b-9fd1-008ff414af2a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2caddeee-b8c9-449b-9fd1-008ff414af2a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T17:42:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x44f36cae4630fc2b84bb4d0bbf0f04195475ea9f7a866b971ee174de4d8f126f","name":"Leandrinho Assis","registered_at":"2026-06-16T05:11:54Z","symbol":"NIM0947862","token_address":"0xd59a1e0842b7c633e663f22d671ca469210c17db","type":"artist","uuid":"2caddeee-b8c9-449b-9fd1-008ff414af2a"}
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 0x44f36cae4630fc2b84bb4d0bbf0f04195475ea9f7a866b971ee174de4d8f126f. Chain 2 (Bitcoin): anchored in block 953982 (2026-06-16T17:42:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2caddeee-b8c9-449b-9fd1-008ff414af2a.json and https://artists.proofprofile.net/proofs/artist/2caddeee-b8c9-449b-9fd1-008ff414af2a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T17:42:23Z
  text: {"copyright_id":"0x44f36cae4630fc2b84bb4d0bbf0f04195475ea9f7a866b971ee174de4d8f126f","name":"Leandrinho Assis","registered_at":"2026-06-16T05:11:54Z","symbol":"NIM0947862","token_address":"0xd59a1e0842b7c633e663f22d671ca469210c17db","type":"artist","uuid":"2caddeee-b8c9-449b-9fd1-008ff414af2a"}
album: Promocional 2023
  type: MusicAlbum
  date published: 2023-01-29
album: O Repertório Mais Apaixonado do Brasil !
  type: MusicAlbum
  date published: 2023-05-06
album: 2K23
  type: MusicAlbum
  date published: 2023-06-06
album: O Repertório Mais Apaixonado do Brasil !
  type: MusicAlbum
  date published: 2023-06-06
album: O Mais Apaixonado Atualizou
  type: MusicAlbum
  date published: 2023-09-21
album: O Mais Apaixonado Atualizou
  type: MusicAlbum
  date published: 2023-10-14
album: Serestão do Leandrinho 1.0
  type: MusicAlbum
  date published: 2024-01-18
album: Serestão 2.0
  type: MusicAlbum
  date published: 2024-05-02
album: Verão do Leandrinho
  type: MusicAlbum
  date published: 2024-12-12