Saioa Hernández
type: MusicGroup
genre: opera
description: Saioa Hernández (born 26 March 1983 in Madrid) is a Spanish operatic soprano. thumb|Saioa Hernandez Career Hernández studied singing with sopranos Renata Scotto and Montserrat Caballé, among others.
popularity: 5
followers: 603
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa686ebcbfd75d633dad00cae53ae779011de8a38396ea6151feb89fe6f022edd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/846b7514-00f4-4185-8c06-7867e76011e7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/846b7514-00f4-4185-8c06-7867e76011e7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/846b7514-00f4-4185-8c06-7867e76011e7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa686ebcbfd75d633dad00cae53ae779011de8a38396ea6151feb89fe6f022edd","name":"Saioa Hernández","registered_at":"2026-06-17T11:51:04Z","symbol":"NIM1386664","token_address":"0xf549c76539c7d9403a230eb8490d48e8e3651462","type":"artist","uuid":"846b7514-00f4-4185-8c06-7867e76011e7"}
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 0xa686ebcbfd75d633dad00cae53ae779011de8a38396ea6151feb89fe6f022edd. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/846b7514-00f4-4185-8c06-7867e76011e7.json and https://artists.proofprofile.net/proofs/artist/846b7514-00f4-4185-8c06-7867e76011e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xa686ebcbfd75d633dad00cae53ae779011de8a38396ea6151feb89fe6f022edd","name":"Saioa Hernández","registered_at":"2026-06-17T11:51:04Z","symbol":"NIM1386664","token_address":"0xf549c76539c7d9403a230eb8490d48e8e3651462","type":"artist","uuid":"846b7514-00f4-4185-8c06-7867e76011e7"}
album: Verdi: Un ballo in maschera
  type: MusicAlbum
  date published: 2023-06-30
  track: Un ballo in mashcera, Act 3: Ella è pura
album: Bellini: Zaira (Live)
  type: MusicAlbum
  date published: 2016-02-05
album: Verdi: La forza del destino (Live)
  type: MusicAlbum
  date published: 2022-02-18
album: Zandonai: Francesca da Rimin: "O, Biancofiore"
  type: MusicAlbum
  date published: 2024-05-17
album: Il Verismo D’Oro
  type: MusicAlbum
  date published: 2024-05-31
album: Verdi: Nabucco (Live)
  type: MusicAlbum
  date published: 2020-03-20
album: Puccini: Il Tabarro: "È ben altro il mio sogno"
  type: MusicAlbum
  date published: 2024-05-03

Un ballo in mashcera, Act 3: Ella è pura
type: MusicRecording
duration: PT4M16S
duration ms: 256453
explicit: false
by artist: Giuseppe Verdi
by artist: Orchestre Philharmonique de Monte-Carlo
by artist: Marek Janowski
by artist: Freddie De Tommaso
by artist: Saioa Hernández
by artist: Annika Gerhards
by artist: Lester Lynch
by artist: Transylvania State Philharmonic Choir
by artist: Kevin Short
in album: Verdi: Un ballo in maschera
  type: MusicAlbum
  date published: 2023-06-30
genre: classical
genre: opera
isrc code: NLE422304839
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:35:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x793a3803cd020c03b0c73f90b0faebd5897fd35eb962fd205350783557c8cadf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422304839
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793a3803cd020c03b0c73f90b0faebd5897fd35eb962fd205350783557c8cadf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422304839.
  date published: 2026-07-08T03:53:27Z
audio: Un ballo in mashcera, Act 3: Ella è pura
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.929
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.222
  additional property: Energy
    type: PropertyValue
    value: 0.129
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.327
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.103
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor