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genre: classical
popularity: 12
followers: 9
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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 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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  date published: 2026-06-15T08:55:24Z
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track: Choral Fantasy in C Minor for Piano, Chorus and Orchestra, Op. 80: II. Finale: c. Marcia, assai vivace - Allegro - Live at Schauspielhaus, Berlin, 1991
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  by artist: Ludwig van Beethoven
  by artist: Evgeny Kissin
  by artist: Cheryl Studer
  by artist: Kristina Clemenz
  by artist: Camille Capasso
  by artist: John Aler
  by artist: Hiroshi Oshima
  by artist: Friedrich Molsberger
  by artist: Berliner Philharmoniker
  by artist: Claudio Abbado
  by artist: RIAS Kammerchor
  in album: "Allegro" - Berlin Philharmoniker plays Bach, Beethoven & Mozart
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    date published: 2025-02-18
  popularity: 4
  genre: classical
  genre: classical-piano
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe79c70bbc65c79de95914647793edefa6714679f017cb6db0c09b8fc4d1fae06. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/DEF059102594.
    date published: 2026-07-07T12:58:18Z
  audio: Choral Fantasy in C Minor for Piano, Chorus and Orchestra, Op. 80: II. Finale: c. Marcia, assai vivace - Allegro - Live at Schauspielhaus, Berlin, 1991
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track: Choral Fantasy in C Minor for Piano, Chorus and Orchestra, Op. 80: II. Finale: b. Adagio ma non troppo - Live at Schauspielhaus, Berlin, 1991
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  by artist: Evgeny Kissin
  by artist: Cheryl Studer
  by artist: Kristina Clemenz
  by artist: Camille Capasso
  by artist: John Aler
  by artist: Hiroshi Oshima
  by artist: Friedrich Molsberger
  by artist: Berliner Philharmoniker
  by artist: Claudio Abbado
  by artist: RIAS Kammerchor
  in album: "Allegro" - Berlin Philharmoniker plays Bach, Beethoven & Mozart
    type: MusicAlbum
    date published: 2025-02-18
  popularity: 3
  genre: classical
  genre: classical-piano
  genre: chamber-music
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  additional property: OTSVerifyInstructions
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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 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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    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc68d9337fcce848d988c686dac08694f21531db9639080b7bf67203f5030719c. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/DEF059102593.
    date published: 2026-07-30T05:43:45Z
  audio: Choral Fantasy in C Minor for Piano, Chorus and Orchestra, Op. 80: II. Finale: b. Adagio ma non troppo - Live at Schauspielhaus, Berlin, 1991
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    additional property: Valence (Positivity)
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track: Choral Fantasy in C Minor for Piano, Chorus and Orchestra, Op. 80: I. Adagio - Live at Schauspielhaus, Berlin, 1991

Time Signature
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Choral Fantasy in C Minor for Piano, Chorus and Orchestra, Op. 80: I. Adagio - Live at Schauspielhaus, Berlin, 1991
type: MusicRecording
duration: PT3M17S
duration ms: 197266
explicit: false
by artist: Ludwig van Beethoven
by artist: Evgeny Kissin
by artist: Cheryl Studer
by artist: Kristina Clemenz
by artist: Camille Capasso
by artist: John Aler
by artist: Hiroshi Oshima
by artist: Berliner Philharmoniker
by artist: Claudio Abbado
by artist: Friedrich Molsberger
by artist: RIAS Kammerchor
in album: "Allegro" - Berlin Philharmoniker plays Bach, Beethoven & Mozart
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  date published: 2025-02-18
popularity: 3
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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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 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 0xb23f51030d81b45b8cf5c089a67cd4edbcdf641783f0ffa2c95087a80781b6bf. 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/DEF059102591.
  date published: 2026-07-08T03:20:19Z
audio: Choral Fantasy in C Minor for Piano, Chorus and Orchestra, Op. 80: I. Adagio - Live at Schauspielhaus, Berlin, 1991
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