Anna Rita Gemmabella
type: MusicGroup
genre: opera
popularity: 5
followers: 11
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5ae2a494740ea2299e0ec301e925cf517710310270236de77e5fc13673a0ebe0
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae2a494740ea2299e0ec301e925cf517710310270236de77e5fc13673a0ebe0. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/584d1b22-6cdd-4785-ab7a-6b48568b2b88.json and https://artists.proofprofile.net/proofs/artist/584d1b22-6cdd-4785-ab7a-6b48568b2b88.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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track: Ciro in Babilonia (Cyrus in Babylon): Act II: Aria: Misero me, che intesi! (Baldassare, Magi)
  type: MusicRecording
  duration: PT8M40S
  duration ms: 520520
  explicit: false
  by artist: Gioachino Rossini
  by artist: Riccardo Botta
  by artist: Anna Rita Gemmabella
  by artist: Luisa Islam-Ali-Zade
  by artist: Maria Soulis
  by artist: Wojtek Gierlach
  by artist: Giorgio Trucco
  by artist: Giovanni Bellavia
  by artist: ARS Brunensis Chamber Choir
  by artist: Württembergische Philharmonie Reutlingen
  by artist: Antonino Fogliani
  in album: Rossini: Ciro in Babilonia
    type: MusicAlbum
    date published: 2007-02-27
  genre: classical
  genre: opera
  isrc code: HKI190619009
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190619009
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 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 0x0fba6e9f07c66a55c51cc6c4242aa0e04f169530aaa66b3cf4eed5f0cdb19cee. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HKI190619009.
    date published: 2026-07-08T03:20:19Z
  audio: Ciro in Babilonia (Cyrus in Babylon): Act II: Aria: Misero me, che intesi! (Baldassare, Magi)
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    additional property: Tempo (BPM)
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      value: 139.815
    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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      value: 5
    additional property: Danceability
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    additional property: Energy
      type: PropertyValue
      value: 0.259
    additional property: Speechiness
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      value: 0.092
    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.936
    additional property: Valence (Positivity)
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      value: 0.21
    additional property: Loudness (dB)
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    additional property: Key Name
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      value: Bb
    additional property: Mode Name
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      value: Major