Günther Kehr
type: MusicGroup
popularity: 6
followers: 15
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe28423df25f3c4d9175ea49259f8a7d1b991fbff8083f4336b1788e24be3aaa8
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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2c74c44a-3619-4600-886c-92e516b6ed13
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-16T17:42:23Z
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album: Locatelli: L'arte del violino, Op. 3, Concertos Nos. 1 & 4 (Stereo Version)
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  date published: 1960-01-01
track: Concerto in G Minor No.8, Op.6: I. Vivace - Grave - Allegro
track: Keyboard Sonata in D Minor: I. Allegro
track: Prelude and Fugue in C Major, BWV 846
track: Concerto for 2 Violins in A Minor, Op.8: I. Allegro
track: Concerto for Strings in D Major, RV 142: II.Grave
track: Du sollt Gott, deinen Herren, lieben, BWV 77
track: Suite for Trumpet, Strings & Basso: II.Alegro
track: Concerto for 2 Mandolins in G Major
track: Sonata in D Major, Z.850

Concerto in G Minor No.8, Op.6: I. Vivace - Grave - Allegro
type: MusicRecording
duration: PT3M43S
duration ms: 223002
explicit: false
by artist: Arcangelo Corelli
by artist: Musici di San Marco
by artist: García Navarro
by artist: Wilhem Keitel
by artist: Günther Kehr
by artist: Bernhard Güller
by artist: Paul Kantschieder
by artist: Orquesta Sinfónica de Radio Stuttgart
by artist: Orquesta de Camara Italiana
by artist: Orquesta Festival Barroco
by artist: Orquesta de Camara Conrad Von der Goltz
by artist: Orquesta de Camara de Mainz
by artist: Capella Istropolitana
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: QM6P41572451
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Concerto in G Minor No.8, Op.6: I. Vivace - Grave - Allegro
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Keyboard Sonata in D Minor: I. Allegro
type: MusicRecording
duration: PT4M3S
duration ms: 243343
explicit: false
by artist: Domenico Scarlatti
by artist: Dubravka Tomšič
by artist: García Navarro
by artist: Wilhem Keitel
by artist: Günther Kehr
by artist: Bernhard Güller
by artist: Paul Kantschieder
by artist: Orquesta Sinfónica de Radio Stuttgart
by artist: Orquesta de Camara Italiana
by artist: Orquesta Festival Barroco
by artist: Orquesta de Camara Conrad Von der Goltz
by artist: Orquesta de Camara de Mainz
by artist: Capella Istropolitana
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22957859f60cc0afa375f990d7705781c05fcda759954089bedf0f2e1e2e78fe. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/QM6P41572456.
  date published: 2026-07-07T16:43:08Z
audio: Keyboard Sonata in D Minor: I. Allegro
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Prelude and Fugue in C Major, BWV 846
type: MusicRecording
duration: PT2M5S
duration ms: 125339
explicit: false
by artist: Johann Sebastian Bach
by artist: Christiane Jacottet
by artist: García Navarro
by artist: Wilhem Keitel
by artist: Günther Kehr
by artist: Bernhard Güller
by artist: Paul Kantschieder
by artist: Orquesta Sinfónica de Radio Stuttgart
by artist: Orquesta de Camara Italiana
by artist: Orquesta Festival Barroco
by artist: Orquesta de Camara Conrad Von der Goltz
by artist: Orquesta de Camara de Mainz
by artist: Capella Istropolitana
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23222b293165962a9284232edbd5722872864af4c4239ab89570e2977f42837a. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/QM6P41572450.
  date published: 2026-07-29T11:07:37Z
audio: Prelude and Fugue in C Major, BWV 846
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  additional property: Tempo (BPM)
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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

Concerto for 2 Violins in A Minor, Op.8: I. Allegro
type: MusicRecording
duration: PT4M1S
duration ms: 241671
explicit: false
by artist: Antonio Vivaldi
by artist: Solisti Di Zagreb
by artist: García Navarro
by artist: Wilhem Keitel
by artist: Günther Kehr
by artist: Bernhard Güller
by artist: Paul Kantschieder
by artist: Orquesta Sinfónica de Radio Stuttgart
by artist: Orquesta de Camara Italiana
by artist: Orquesta Festival Barroco
by artist: Orquesta de Camara Conrad Von der Goltz
by artist: Orquesta de Camara de Mainz
by artist: Capella Istropolitana
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ede9647ed8f52792c1aa8ab6e3111bd022085253d36ec035abae9bf51bfc431. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QM6P41572457.
  date published: 2026-07-29T19:35:34Z
audio: Concerto for 2 Violins in A Minor, Op.8: I. Allegro
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isrc code: QM6P41572457
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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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

Concerto for Strings in D Major, RV 142: II.Grave
type: MusicRecording
duration: PT1M15S
duration ms: 75022
explicit: false
by artist: Antonio Vivaldi
by artist: Musici di San Marco
by artist: García Navarro
by artist: Wilhem Keitel
by artist: Günther Kehr
by artist: Bernhard Güller
by artist: Paul Kantschieder
by artist: Orquesta Sinfónica de Radio Stuttgart
by artist: Orquesta de Camara Italiana
by artist: Orquesta Festival Barroco
by artist: Orquesta de Camara Conrad Von der Goltz
by artist: Orquesta de Camara de Mainz
by artist: Capella Istropolitana
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Concerto for Strings in D Major, RV 142: II.Grave
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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

Du sollt Gott, deinen Herren, lieben, BWV 77
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duration: PT4M29S
duration ms: 269001
explicit: false
by artist: Johann Sebastian Bach
by artist: Wolfgang Bach
by artist: Wolfgang Rübsam
by artist: García Navarro
by artist: Wilhem Keitel
by artist: Günther Kehr
by artist: Bernhard Güller
by artist: Paul Kantschieder
by artist: Orquesta Sinfónica de Radio Stuttgart
by artist: Orquesta de Camara Italiana
by artist: Orquesta Festival Barroco
by artist: Orquesta de Camara Conrad Von der Goltz
by artist: Orquesta de Camara de Mainz
by artist: Capella Istropolitana
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T16:01:17Z
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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

Suite for Trumpet, Strings & Basso: II.Alegro
type: MusicRecording
duration: PT6M5S
duration ms: 365016
explicit: false
by artist: George Frideric Handel
by artist: Heinz Zickler
by artist: Günther Kehr
by artist: Orquesta de Camara de Mainz
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
audio: Suite for Trumpet, Strings & Basso: II.Alegro
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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

Concerto for 2 Mandolins in G Major
type: MusicRecording
duration: PT2M48S
duration ms: 168018
explicit: false
by artist: Antonio Vivaldi
by artist: Musici di San Marco
by artist: García Navarro
by artist: Wilhem Keitel
by artist: Günther Kehr
by artist: Bernhard Güller
by artist: Paul Kantschieder
by artist: Orquesta Sinfónica de Radio Stuttgart
by artist: Orquesta de Camara Italiana
by artist: Orquesta Festival Barroco
by artist: Orquesta de Camara Conrad Von der Goltz
by artist: Orquesta de Camara de Mainz
by artist: Capella Istropolitana
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x648142bb198da5f470f2778a028ff78901b503bdef25811a506ff60bf5b37e1d. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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/QM6P41572465.
  date published: 2026-07-30T07:51:46Z
audio: Concerto for 2 Mandolins in G Major
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  additional property: Tempo (BPM)
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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

Sonata in D Major, Z.850
type: MusicRecording
duration: PT1M35S
duration ms: 95014
explicit: false
by artist: Henry Purcell
by artist: Bernhard Schmid
by artist: Harald Feller
by artist: García Navarro
by artist: Wilhem Keitel
by artist: Günther Kehr
by artist: Bernhard Güller
by artist: Paul Kantschieder
by artist: Orquesta Sinfónica de Radio Stuttgart
by artist: Orquesta de Camara Italiana
by artist: Orquesta Festival Barroco
by artist: Orquesta de Camara Conrad Von der Goltz
by artist: Orquesta de Camara de Mainz
by artist: Capella Istropolitana
in album: Lo Mejor de la Música Barroca: Los Grandes Clásicos
  type: MusicAlbum
  date published: 2015-09-28
genre: classical
genre: choral
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93e724062a6747208c88d3c9b73c5809852b2132ddf0ba998bf0b671b4e5dd93. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QM6P41572466.
  date published: 2026-07-29T19:35:34Z
audio: Sonata in D Major, Z.850
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  additional property: Musical Key
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  additional property: Danceability
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additional property: OTSVerifyInstructions
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