Nina Corti
type: MusicGroup
description: Nina Corti (born 3 August 1953) is a Swiss flamenco dancer and choreographer. In 2007 she was honored by the Swiss government as the first female celebrity to design a stamp for the Swiss Post. Earl
popularity: 9
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a28e8d7b2327d6bfb590755ad450f06dfa9f2339b5209e08019b9eba6ae401a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953968
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953968
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28e66b7e-ab93-430f-a658-9be336ca8dce.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28e66b7e-ab93-430f-a658-9be336ca8dce.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/28e66b7e-ab93-430f-a658-9be336ca8dce
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:01:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3a28e8d7b2327d6bfb590755ad450f06dfa9f2339b5209e08019b9eba6ae401a","name":"Nina Corti","registered_at":"2026-06-16T03:47:25Z","symbol":"NIM0927679","token_address":"0xaf05bfc10e608893f440e2c452e2abf0d42d5bc3","type":"artist","uuid":"28e66b7e-ab93-430f-a658-9be336ca8dce"}
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 0x3a28e8d7b2327d6bfb590755ad450f06dfa9f2339b5209e08019b9eba6ae401a. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/28e66b7e-ab93-430f-a658-9be336ca8dce.json and https://artists.proofprofile.net/proofs/artist/28e66b7e-ab93-430f-a658-9be336ca8dce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x3a28e8d7b2327d6bfb590755ad450f06dfa9f2339b5209e08019b9eba6ae401a","name":"Nina Corti","registered_at":"2026-06-16T03:47:25Z","symbol":"NIM0927679","token_address":"0xaf05bfc10e608893f440e2c452e2abf0d42d5bc3","type":"artist","uuid":"28e66b7e-ab93-430f-a658-9be336ca8dce"}
track: Quintet No. 4 in D Major for Strings and Guitar, G. 448, "Fandango": IV. Fandango

Quintet No. 4 in D Major for Strings and Guitar, G. 448, "Fandango": IV. Fandango
type: MusicRecording
duration: PT10M59S
duration ms: 659653
explicit: false
by artist: Luigi Boccherini
by artist: Carmina Quartet
by artist: Rolf Lislevand
by artist: Nina Corti
in album: Boccherini: La Musica Notturna Di Madrid, "Fandango"-Quintet & Haydn: 2 String Quartets
  type: MusicAlbum
  date published: 2009-09-03
genre: classical
isrc code: CH0010900089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:05:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcb4aac91c8e42c54b50a09b1846cd60e324e9bfef9aa8bc2e446c30749cb259
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0010900089
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+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 0xdcb4aac91c8e42c54b50a09b1846cd60e324e9bfef9aa8bc2e446c30749cb259. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CH0010900089.
  date published: 2026-06-13T13:32:09Z
audio: Quintet No. 4 in D Major for Strings and Guitar, G. 448, "Fandango": IV. Fandango
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.772
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.5
  additional property: Energy
    type: PropertyValue
    value: 0.236
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.844
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.3
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.756
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major