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type: MusicGroup
genre: classical
popularity: 33
followers: 1371
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb54befc309b59c31daa6cb082a487912a6610fc94f9f89e6504a382dbfae24a4. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b0de059c-f5f3-4d48-823a-8de041602e48.json and https://artists.proofprofile.net/proofs/artist/b0de059c-f5f3-4d48-823a-8de041602e48.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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album: Traumerei: Romantic Violin Favourites
  type: MusicAlbum
  date published: 1997-07-31
album: Traumerei: Romantic Violin Favourites
  type: MusicAlbum
  date published: 1997-07-31
  track: 7 Canciones populares espanolas (arr. P. Kochanski for violin and piano): Asturiana
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      type: MusicAlbum
      date published: 1997-07-31
    genre: classical
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-03T10:47:44Z
    audio: 7 Canciones populares espanolas (arr. P. Kochanski for violin and piano): Asturiana
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  track: 12 Bagatelles, Op. 13: No. 9. L'abeille (The Bee)
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      type: MusicAlbum
      date published: 1997-07-31
    genre: classical
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-21T20:07:03Z
    audio: 12 Bagatelles, Op. 13: No. 9. L'abeille (The Bee)
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  track: Schwanengesang, D. 957: No. 4. Standchen (Leise flehen meine Lieder)
album: CHEN / HE: Butterfly Lovers Violin Concerto (The) - Lu Siqing
album: Chen / He: The Butterfly Lovers Violin Concerto - Lu Siqing
album: Vivaldi's the Four Seasons
album: The Butterfly Lovers

Valence (Positivity)
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Loudness (dB)
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Key Name
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Schwanengesang, D. 957: No. 4. Standchen (Leise flehen meine Lieder)
type: MusicRecording
duration: PT4M19S
duration ms: 259826
explicit: false
by artist: Si-Qing Lu
in album: Traumerei: Romantic Violin Favourites
  type: MusicAlbum
  date published: 1997-07-31
genre: classical
isrc code: HKI199791514
additional property: CopyrightID
additional property: CopyrightStatus
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb187ff2a5dd34b4666d010a6d0a82b0d48601cf5809bfbd9309167e3eed68a3. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/HKI199791514.
  date published: 2026-07-20T12:15:48Z
audio: Schwanengesang, D. 957: No. 4. Standchen (Leise flehen meine Lieder)
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  additional property: Danceability
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CHEN / HE: Butterfly Lovers Violin Concerto (The) - Lu Siqing
type: MusicAlbum
date published: 1997-12-31

Chen / He: The Butterfly Lovers Violin Concerto - Lu Siqing
type: MusicAlbum
date published: 1997-12-31

Vivaldi's the Four Seasons
type: MusicAlbum
date published: 2014-04-28
track: The Four Seasons: Violin Concerto in E Major, Op. 8, No. 1, Rv 269 "La Primavera" (Spring): I. Allegro
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    type: MusicAlbum
    date published: 2014-04-28
  genre: classical
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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
  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a38d778d8cedb2c85829ab095b4a535440fd9061d5d52a6ae8b89ed83e26ac. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKI190022402.
    date published: 2026-07-08T03:22:41Z
  audio: The Four Seasons: Violin Concerto in E Major, Op. 8, No. 1, Rv 269 "La Primavera" (Spring): I. Allegro
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track: The Four Seasons: Violin Concerto in G Minor, Op. 8, No. 2, Rv 315 "L'estate" (Summer): I. Allegro Non Moto
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    type: MusicAlbum
    date published: 2014-04-28
  genre: classical
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa0e7862c26c91d010e0fcbb9012b9283c33f947de54217346c1aebacd5e62c5. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/HKI190022404.
    date published: 2026-07-08T03:39:04Z
  audio: The Four Seasons: Violin Concerto in G Minor, Op. 8, No. 2, Rv 315 "L'estate" (Summer): I. Allegro Non Moto
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The Butterfly Lovers
type: MusicAlbum
date published: 2015-07-03

The Butterfly Lovers
type: MusicAlbum
date published: 2015-07-03

The Butterfly Lovers
type: MusicAlbum
date published: 2015-07-03
track: The Butterfly Lovers' Violin Concerto (Arr. for Violin & Chinese Orchestra): Adagio cantabile "Falling in Love"
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    type: MusicAlbum
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    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
  subject of: OpenTimestamps Proof of Existence
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    encoding format: application/vnd.opentimestamps.ots
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  audio: The Butterfly Lovers' Violin Concerto (Arr. for Violin & Chinese Orchestra): Adagio cantabile "Falling in Love"
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