Maria Fernanda Da Costa
type: MusicGroup
popularity: 2
followers: 209
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36a843447a1fa074c99b006d57e3fae2c19efccb9539e365f1109ee2acb04a1f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953972
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953972
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2b0a06b0-5b39-4120-9e2d-719e2675a57d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2b0a06b0-5b39-4120-9e2d-719e2675a57d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2b0a06b0-5b39-4120-9e2d-719e2675a57d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:31:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x36a843447a1fa074c99b006d57e3fae2c19efccb9539e365f1109ee2acb04a1f","name":"Maria Fernanda Da Costa","registered_at":"2026-06-16T04:29:57Z","symbol":"NIM0937842","token_address":"0xdc309ba5b72c1c866ffbc3fc213a0b01f1769c6a","type":"artist","uuid":"2b0a06b0-5b39-4120-9e2d-719e2675a57d"}
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 0x36a843447a1fa074c99b006d57e3fae2c19efccb9539e365f1109ee2acb04a1f. Chain 2 (Bitcoin): anchored in block 953973 (2026-06-16T16:37:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2b0a06b0-5b39-4120-9e2d-719e2675a57d.json and https://artists.proofprofile.net/proofs/artist/2b0a06b0-5b39-4120-9e2d-719e2675a57d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T16:37:07Z
  text: {"copyright_id":"0x36a843447a1fa074c99b006d57e3fae2c19efccb9539e365f1109ee2acb04a1f","name":"Maria Fernanda Da Costa","registered_at":"2026-06-16T04:29:57Z","symbol":"NIM0937842","token_address":"0xdc309ba5b72c1c866ffbc3fc213a0b01f1769c6a","type":"artist","uuid":"2b0a06b0-5b39-4120-9e2d-719e2675a57d"}
album: Eu Vejo Mais Talento
  type: MusicAlbum
  date published: 2007-04-15
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  type: MusicAlbum
  date published: 2017-07-31
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  type: MusicAlbum
  date published: 2018-04-10
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  type: MusicAlbum
  date published: 2018-10-18
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  type: MusicAlbum
  date published: 2019-01-14
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  type: MusicAlbum
  date published: 2019-01-14
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  type: MusicAlbum
  date published: 2019-11-27
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  type: MusicAlbum
  date published: 2020-02-26
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  type: MusicAlbum
  date published: 2020-02-27
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2021-02-06
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2022-07-08
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  type: MusicAlbum
  date published: 2024-09-20