Maria Josephina Mignone
type: MusicGroup
popularity: 2
followers: 79
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x625e2a8a5c7cfaebe7fbb7282a5b8d9e010b49266435acdb6ba9b83fc61d7637
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953915
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953915
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ab7f004-a56e-469a-b001-849196bece36.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ab7f004-a56e-469a-b001-849196bece36.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1ab7f004-a56e-469a-b001-849196bece36
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T08:36:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x625e2a8a5c7cfaebe7fbb7282a5b8d9e010b49266435acdb6ba9b83fc61d7637","name":"Maria Josephina Mignone","registered_at":"2026-06-15T22:44:50Z","symbol":"NIM0855414","token_address":"0xd39eefa0b2d9eb5401468575f9924eb1b9641c25","type":"artist","uuid":"1ab7f004-a56e-469a-b001-849196bece36"}
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 0x625e2a8a5c7cfaebe7fbb7282a5b8d9e010b49266435acdb6ba9b83fc61d7637. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ab7f004-a56e-469a-b001-849196bece36.json and https://artists.proofprofile.net/proofs/artist/1ab7f004-a56e-469a-b001-849196bece36.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T08:36:32Z
  text: {"copyright_id":"0x625e2a8a5c7cfaebe7fbb7282a5b8d9e010b49266435acdb6ba9b83fc61d7637","name":"Maria Josephina Mignone","registered_at":"2026-06-15T22:44:50Z","symbol":"NIM0855414","token_address":"0xd39eefa0b2d9eb5401468575f9924eb1b9641c25","type":"artist","uuid":"1ab7f004-a56e-469a-b001-849196bece36"}
album: As 24 Valsas Brasileiras
  type: MusicAlbum
  date published: 1987
album: Descobrindo Tesouros: A Magia de Maria Josephina no Piano Infantil de Mignone
  type: MusicAlbum
  date published: 2018-06-08
album: Duo Mignone: Momentos Históricos
  type: MusicAlbum
  date published: 2018-06-08
album: Novos Tesouros
  type: MusicAlbum
  date published: 2018-06-08
album: Relíquias da Música Brasileira
  type: MusicAlbum
  date published: 2018-06-09
album: Coleção Mignone, Vol. 3: Duo Mignone
  type: MusicAlbum
  date published: 2018-06-09
album: Coleção Mignone, Vol. 1: 17 Choros para Piano
  type: MusicAlbum
  date published: 2018-06-09
album: Poemas de Amor
  type: MusicAlbum
  date published: 2018-06-09
album: COLEÇÃO MIGNONE - VOL. 2 - 2 Pianos
  type: MusicAlbum
  date published: 2018-06-09
album: Valsas Imortais: Francisco Mignone na Arte de Maria Josephina ao Piano
  type: MusicAlbum
  date published: 2018-06-09
album: Coração Que Sente, Nazarethiando Com o Duo Mignone
  type: MusicAlbum
  date published: 2018-07-06