Roberta Alessandrini
type: MusicGroup
popularity: 7
followers: 123
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/741eeea9-4b84-49d6-be98-6e0fcc38ecb9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/741eeea9-4b84-49d6-be98-6e0fcc38ecb9.json
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 0x749f0e7888f8806da80d683f3be18006c8a25dd1c1032e5310e8809b8f5878b9. 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/741eeea9-4b84-49d6-be98-6e0fcc38ecb9.json and https://artists.proofprofile.net/proofs/artist/741eeea9-4b84-49d6-be98-6e0fcc38ecb9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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album: Dussek / Wagenseil / Krumpholtz: Harp Concertos
  type: MusicAlbum
  date published: 1997-01-20
album: Dussek / Wagenseil / Krumpholtz: Harp Concertos
  type: MusicAlbum
  date published: 1997-01-20
  track: Harp Concerto in G Major: I. Allegro
    type: MusicRecording
    duration: PT4M5S
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    by artist: Roberta Alessandrini
    in album: Dussek / Wagenseil / Krumpholtz: Harp Concertos
      type: MusicAlbum
      date published: 1997-01-20
    isrc code: HKI199601601
    additional property: CopyrightID
    additional property: CopyrightStatus
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199601601
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T16:10:47Z
    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 0x8628777bf2af6e5e5a6975edb7d451403b8c02953422cddf4028a84ba4caf1e6. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), 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/HKI199601601.
      date published: 2026-07-30T16:10:47Z
    audio: Harp Concerto in G Major: I. Allegro
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      additional property: Tempo (BPM)
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  track: Harp Concerto in G Major: II. Andante
    type: MusicRecording
    duration: PT4M30S
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    explicit: false
    by artist: Roberta Alessandrini
    in album: Dussek / Wagenseil / Krumpholtz: Harp Concertos
      type: MusicAlbum
      date published: 1997-01-20
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    additional property: CopyrightStatus
      type: PropertyValue
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      value: https://explorer.copyrightchains.com/tx/0xd0dd4415d4b98912a671bb45eda11ff51a30ca18b9a2fe01523c2e04769db5bd
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    additional property: OTSBitcoinBlock
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      type: PropertyValue
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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      value: 2026-07-02T03:55:08Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0dd4415d4b98912a671bb45eda11ff51a30ca18b9a2fe01523c2e04769db5bd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKI199601602.
      date published: 2026-07-02T03:55:08Z
    audio: Harp Concerto in G Major: II. Andante
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  track: Harp Concerto in G Major: III. Vivace
  track: Harp Concerto No. 6, Op. 9: I. Allegro moderato
  track: Harp Concerto No. 6, Op. 9: II. Romanza
  track: Harp Concerto No. 6, Op. 9: III. Vivace
  track: Harp Sonata No. 2 in B-Flat Major, Op. 34: I. Allegro con spirito
  track: Harp Sonata No. 2 in B-Flat Major, Op. 34: II. Rondo
  track: Harp Concerto in E-Flat Major, Op. 15: I. Allegro
  track: Harp Concerto in E-Flat Major, Op. 15: III. Rondo: Allegro molto
album: Arpa in concerto
album: Harp & Organ in Concert
album: Finesse: French Music for Harp and Violin (Arr. for Harp and Violin)

Loudness (dB)
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value: -30.603

Key Name
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value: G

Mode Name
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value: Minor

Harp Concerto in G Major: III. Vivace
type: MusicRecording
duration: PT5M17S
duration ms: 317626
explicit: false
by artist: Roberta Alessandrini
in album: Dussek / Wagenseil / Krumpholtz: Harp Concertos
  type: MusicAlbum
  date published: 1997-01-20
isrc code: HKI199601603
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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 0x710bdd150a51080c6c7cfba6d1b02a2d8cedbf7b29f882608031d9a47d858227. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKI199601603.
  date published: 2026-07-02T03:55:08Z
audio: Harp Concerto in G Major: III. Vivace
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Harp Concerto No. 6, Op. 9: I. Allegro moderato
type: MusicRecording
duration: PT11M5S
duration ms: 665840
explicit: false
by artist: Roberta Alessandrini
in album: Dussek / Wagenseil / Krumpholtz: Harp Concertos
  type: MusicAlbum
  date published: 1997-01-20
isrc code: HKI199601604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T02:22:04Z
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 0xe7ac7a9a9c845ae0d15df6dc179ddc8ff1a7d1aedd1c20a7c16d8716704e5e4d. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/HKI199601604.
  date published: 2026-08-01T02:22:04Z
audio: Harp Concerto No. 6, Op. 9: I. Allegro moderato
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Harp Concerto No. 6, Op. 9: II. Romanza
type: MusicRecording
duration: PT5M54S
duration ms: 354960
explicit: false
by artist: Roberta Alessandrini
in album: Dussek / Wagenseil / Krumpholtz: Harp Concertos
  type: MusicAlbum
  date published: 1997-01-20
isrc code: HKI199601605
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58Z
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 0xd7e66e2fcfe2e956e69f79297a752919ffa68cc3f51c1fd56205896556769d31. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/HKI199601605.
  date published: 2026-07-31T04:14:58Z
audio: Harp Concerto No. 6, Op. 9: II. Romanza
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Harp Concerto No. 6, Op. 9: III. Vivace
type: MusicRecording
duration: PT7M2S
duration ms: 422000
explicit: false
by artist: Roberta Alessandrini
in album: Dussek / Wagenseil / Krumpholtz: Harp Concertos
  type: MusicAlbum
  date published: 1997-01-20
isrc code: HKI199601606
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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Harp Sonata No. 2 in B-Flat Major, Op. 34: I. Allegro con spirito
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Harp Sonata No. 2 in B-Flat Major, Op. 34: II. Rondo
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Harp Concerto in E-Flat Major, Op. 15: I. Allegro
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Harp Concerto in E-Flat Major, Op. 15: III. Rondo: Allegro molto
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Dussek / Wagenseil / Krumpholtz: Harp Concertos
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date published: 1997-01-20

Arpa in concerto
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date published: 2000-10-25

Harp & Organ in Concert
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date published: 2012-05-29

Finesse: French Music for Harp and Violin (Arr. for Harp and Violin)
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date published: 2018-02-20