Nazarina Semedo
type: MusicGroup
genre: kizomba
genre: zouk
popularity: 2
followers: 449
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf3f23a6531e4f9e7b649a9b5ecc08475234dbe186da5dda4f8034a1555a0e09
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954043
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/40a249cf-59f0-42af-a70d-e2d617c911b4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/40a249cf-59f0-42af-a70d-e2d617c911b4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/40a249cf-59f0-42af-a70d-e2d617c911b4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:15:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbf3f23a6531e4f9e7b649a9b5ecc08475234dbe186da5dda4f8034a1555a0e09","name":"Nazarina Semedo","registered_at":"2026-06-16T12:06:38Z","symbol":"NIM1046867","token_address":"0xd5a914aba3fdb838a781da0cda2be9d3f89c7f22","type":"artist","uuid":"40a249cf-59f0-42af-a70d-e2d617c911b4"}
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 0xbf3f23a6531e4f9e7b649a9b5ecc08475234dbe186da5dda4f8034a1555a0e09. Chain 2 (Bitcoin): anchored in block 954043 (2026-06-17T04:15:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/40a249cf-59f0-42af-a70d-e2d617c911b4.json and https://artists.proofprofile.net/proofs/artist/40a249cf-59f0-42af-a70d-e2d617c911b4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T04:15:20Z
  text: {"copyright_id":"0xbf3f23a6531e4f9e7b649a9b5ecc08475234dbe186da5dda4f8034a1555a0e09","name":"Nazarina Semedo","registered_at":"2026-06-16T12:06:38Z","symbol":"NIM1046867","token_address":"0xd5a914aba3fdb838a781da0cda2be9d3f89c7f22","type":"artist","uuid":"40a249cf-59f0-42af-a70d-e2d617c911b4"}
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  type: MusicAlbum
  date published: 2006
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  type: MusicAlbum
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