Maria Mendes
type: MusicGroup
genre: fado
genre: traditional music
popularity: 2
followers: 253
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc95b9c5d81e31df65e5614e38ba897a33b58ae6108c43c2666657298f010b716
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d16a03d-6a91-42eb-8f0d-52b7b2bdc0f9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d16a03d-6a91-42eb-8f0d-52b7b2bdc0f9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9d16a03d-6a91-42eb-8f0d-52b7b2bdc0f9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc95b9c5d81e31df65e5614e38ba897a33b58ae6108c43c2666657298f010b716","name":"Maria Mendes","registered_at":"2026-06-20T04:27:35Z","symbol":"NIM1511249","token_address":"0xcd5b2ba54ba8d2ca91ca8f03b7c2e65582555fd5","type":"artist","uuid":"9d16a03d-6a91-42eb-8f0d-52b7b2bdc0f9"}
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 0xc95b9c5d81e31df65e5614e38ba897a33b58ae6108c43c2666657298f010b716. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d16a03d-6a91-42eb-8f0d-52b7b2bdc0f9.json and https://artists.proofprofile.net/proofs/artist/9d16a03d-6a91-42eb-8f0d-52b7b2bdc0f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0xc95b9c5d81e31df65e5614e38ba897a33b58ae6108c43c2666657298f010b716","name":"Maria Mendes","registered_at":"2026-06-20T04:27:35Z","symbol":"NIM1511249","token_address":"0xcd5b2ba54ba8d2ca91ca8f03b7c2e65582555fd5","type":"artist","uuid":"9d16a03d-6a91-42eb-8f0d-52b7b2bdc0f9"}
album: Sortilégio
  type: MusicAlbum
  date published: 1991-02-14
album: Recordando Hermínia Silva
  type: MusicAlbum
  date published: 2005-04-11
album: Santa Maria
  type: MusicAlbum
  date published: 2008-01-01
album: Cantigas de Portugal
  type: MusicAlbum
  date published: 2009-06-15
album: Percursos
  type: MusicAlbum
  date published: 2013-03-25
album: Santa Maria
  type: MusicAlbum
  date published: 2014-09-24
album: Sucessos da Diva do Fado
  type: MusicAlbum
  date published: 2015-10-30