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  track: Le nozze di Figaro, K. 492 / Act 3: "Crudel! perchè finora"
  track: Le nozze di Figaro, K. 492 / Act 4: "Giunse alfin il momento...Deh vieni non tardar"
  track: Die Entführung aus dem Serail, K.384 / Act 1: "Konstanze, dich wiederzusehen...O wie ängstlich, o wie feurig"
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track: Stabat Mater: 2. Cujus animam gementem
track: Le nozze di Figaro, K. 492 / Act 1: "Non più andrai"

Don Giovanni / Act 1: "Fin ch'han dal vino"
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Symphony No. 4 in D Minor, Op. 13, B.41: 4. Finale (Allegro con brio)
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Symphony No. 4 in D Minor, Op. 13, B.41: 3. Scherzo (Allegro feroce)
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Maurerische Trauermusik, K.477
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  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076810615
additional property: OTSTimestamp
  type: PropertyValue
  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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0f1db50a0cd914a2f59708fddd5443839c41c6f12ba4d1270a5123531803ca2. 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/GBF076810615.
  date published: 2026-07-02T03:55:08Z
audio: Maurerische Trauermusik, K.477
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.963
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.153
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.833
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.189
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Danceability
type: PropertyValue
value: 0.27

Energy
type: PropertyValue
value: 0.224

Speechiness
type: PropertyValue
value: 0.065

Acousticness
type: PropertyValue
value: 0.974

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.167

Valence (Positivity)
type: PropertyValue
value: 0.136

Loudness (dB)
type: PropertyValue
value: -17.525

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

Le nozze di Figaro, K. 492 / Act 3: "Crudel! perchè finora"
type: MusicRecording
duration: PT2M41S
duration ms: 161773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Lucia Popp
by artist: Tom Krause
by artist: Vienna Haydn Orchestra
by artist: István Kertész
in album: Mozart Opera Festival
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: classical-era
isrc code: GBF077113270
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:14:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4ef1cc40c001e145a9365e0f3d7568819465a78e681279a9655fc53fd888700
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077113270
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0xe4ef1cc40c001e145a9365e0f3d7568819465a78e681279a9655fc53fd888700. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBF077113270.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492 / Act 3: "Crudel! perchè finora"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.652
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.371
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.192
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.822
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492 / Act 4: "Giunse alfin il momento...Deh vieni non tardar"
type: MusicRecording
duration: PT5M7S
duration ms: 307293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Lucia Popp
by artist: Vienna Haydn Orchestra
by artist: István Kertész
in album: Mozart Opera Festival
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: classical-era
isrc code: GBF077113280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:59:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e18edd1e5cfe528ad9a111c0027d16c1cfe8ba6d6d1218ba3596e241f5cd500
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077113280
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e18edd1e5cfe528ad9a111c0027d16c1cfe8ba6d6d1218ba3596e241f5cd500. 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/GBF077113280.
  date published: 2026-07-08T03:39:04Z
audio: Le nozze di Figaro, K. 492 / Act 4: "Giunse alfin il momento...Deh vieni non tardar"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.43
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.281
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.215
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.809
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K.384 / Act 1: "Konstanze, dich wiederzusehen...O wie ängstlich, o wie feurig"
type: MusicRecording
duration: PT5M5S
duration ms: 305866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Werner Krenn
by artist: Vienna Haydn Orchestra
by artist: István Kertész
in album: Mozart Opera Festival
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: classical-era
isrc code: GBF077113310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:36:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4eab1be2e4c46018d31a2a9cdaf288fdd2a1948d0e670f0c63ee9c58d07829a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077113310
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4eab1be2e4c46018d31a2a9cdaf288fdd2a1948d0e670f0c63ee9c58d07829a. 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/GBF077113310.
  date published: 2026-07-08T03:39:04Z
audio: Die Entführung aus dem Serail, K.384 / Act 1: "Konstanze, dich wiederzusehen...O wie ängstlich, o wie feurig"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.462
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.297
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.134
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.221
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K.384 / Act 3: "Ha, wie will ich triumphieren"
type: MusicRecording
duration: PT3M28S
duration ms: 208133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Manfred Jungwirth
by artist: Vienna Haydn Orchestra
by artist: István Kertész
in album: Mozart Opera Festival
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: classical-era
isrc code: GBF077113340
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:52:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x192f194d1dade6e7de48c1987a0d6c50384afce51e5f1f5db3a2e64035c69ad0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077113340
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x192f194d1dade6e7de48c1987a0d6c50384afce51e5f1f5db3a2e64035c69ad0. 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/GBF077113340.
  date published: 2026-07-08T03:20:19Z
audio: Die Entführung aus dem Serail, K.384 / Act 3: "Ha, wie will ich triumphieren"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.146
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.473
  additional property: Energy
    type: PropertyValue
    value: 0.343
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.343
  additional property: Liveness
    type: PropertyValue
    value: 0.403
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.447
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.336
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K.620 / Act 1: "Der Vogelfänger bin ich ja"
type: MusicRecording
duration: PT2M34S
duration ms: 154706
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Tom Krause
by artist: Vienna Haydn Orchestra
by artist: István Kertész
in album: Mozart Opera Festival
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: classical-era
isrc code: GBF077110400
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:17:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66c615e9fefd46e129d61c3b8a9c5df555bda6f7220a15b577368710e4f108c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957065
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110400
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:43:21Z
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 0x66c615e9fefd46e129d61c3b8a9c5df555bda6f7220a15b577368710e4f108c6. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/GBF077110400.
  date published: 2026-07-07T16:43:21Z
audio: Die Zauberflöte, K.620 / Act 1: "Der Vogelfänger bin ich ja"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.361
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.517
  additional property: Energy
    type: PropertyValue
    value: 0.292
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.321
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.367
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.571
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K.620 - (E. Schikaneder) - Act 1: "Dies Bildnis ist bezaubernd schön"
type: MusicRecording
duration: PT3M42S
duration ms: 222253
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Werner Krenn
by artist: Vienna Haydn Orchestra
by artist: István Kertész
in album: Mozart Opera Festival
  type: MusicAlbum
  date published: 2005-01-01
genre: classical
genre: classical-era
isrc code: GBF077110420
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:02:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb48f8393dce3139939f56272e9c595d413496b2377c5ee754386ff514392c86d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110420
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0xb48f8393dce3139939f56272e9c595d413496b2377c5ee754386ff514392c86d. 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/GBF077110420.
  date published: 2026-07-08T03:22:41Z
audio: Die Zauberflöte, K.620 - (E. Schikaneder) - Act 1: "Dies Bildnis ist bezaubernd schön"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.003
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
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Don Giovanni, K.527 / Act 1: "Là ci darem la mano"
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Recital
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Musik an westfälischen Adelshöfen, Vol. 1
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Beethoven: Symphony No. 4 in B-Flat Major, Op. 60 & Symphony No. 7 in A Major, Op. 92 (Live)
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Beethoven: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor" & Rondo in C Major, Op. 51 No. 1
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Haydn: Sinfonien, Vol. 2
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Beethoven, Strauss & Bartók: Orchestral Works (Live)
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Mozart: Die Entführung aus dem Serail
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Viviani: Capricci Armonici Da Chiesa E Da Camera, Op. 4
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The Art of Nathan Milstein
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Mozart: Symphony No.36; "Eine kleine Nachtmusik"; March In C; Five Overtures
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  by artist: István Kertész
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa67d93c0c46bf7ffe720a1a4865ac5ae97e3b7a0894a19b43025c025a441672. 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/GBF076310891.
date published: 2026-07-08T03:20:19Z

Symphony No. 8 in G Major, Op. 88, B.163: 1. Allegro con brio
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additional property: Tempo (BPM)
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Dvorák: Symphonies Nos.8 & 9
type: MusicAlbum
date published: 2006-01-01
track: Symphony No. 8 in G Major, Op. 88, B.163: 1. Allegro con brio
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  additional property: OTSTimestamp
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
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track: Symphony No. 9 in E Minor, Op. 95, B.178: 3. Scherzo (Molto vivace)
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  by artist: István Kertész
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  genre: classical
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
  audio: Symphony No. 9 in E Minor, Op. 95, B.178: 3. Scherzo (Molto vivace)
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Mozart: Symphonies Nos. 33, 39 & 40
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Dvorák: Symphonies Nos.4-6
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date published: 2003-01-01
track: Symphony No. 6 in D Major, Op. 60, B.112: 2. Adagio
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  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 6 in D Major, Op. 60, B.112: 2. Adagio
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Dvorak: Symphonies Nos.5, 7, 8 & 9
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date published: 2002-01-01
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  genre: classical
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
  audio: Symphony No. 7 in D Minor, Op. 70, B.141: 1. Allegro maestoso
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4a69956c6a9dedf1b0010746f69c62dc347025a4ffc48ec6558d66accdc4c5e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBF076411053.
date published: 2026-07-08T03:53:27Z

Symphony No. 7 in D Minor, Op. 70, B.141: 3. Scherzo (Vivace)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 124.306
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.292
additional property: Energy
  type: PropertyValue
  value: 0.089
additional property: Speechiness
  type: PropertyValue
  value: 0.034
additional property: Acousticness
  type: PropertyValue
  value: 0.934
additional property: Instrumentalness
  type: PropertyValue
  value: 0.886
additional property: Liveness
  type: PropertyValue
  value: 0.109
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.15
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.033
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Symphony No. 9 in E Minor, Op. 95, B.178: 3. Scherzo (Molto vivace)
type: MusicRecording
duration: PT7M26S
duration ms: 446720
explicit: false
by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorak: Symphonies Nos.5, 7, 8 & 9
  type: MusicAlbum
  date published: 2002-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF076610083
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:21:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe27d673743ff5a4cd59cf8b6adac9faf684bf76f5a6054e2cb090ce6f33546cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610083
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe27d673743ff5a4cd59cf8b6adac9faf684bf76f5a6054e2cb090ce6f33546cc. 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/GBF076610083.
  date published: 2026-07-08T03:39:04Z
audio: Symphony No. 9 in E Minor, Op. 95, B.178: 3. Scherzo (Molto vivace)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.408
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.314
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.459
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.765
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Piano Concertos Nos.20,23,24,26 & 27
type: MusicAlbum
date published: 2001-01-01

Graf: Six Flute Quartets
type: MusicAlbum
date published: 1995-01-01

Schubert: The Symphonies
type: MusicAlbum
date published: 1991-01-01

Dvorák: The Symphonies/Overtures
type: MusicAlbum
date published: 1991-01-01
track: Symphony No. 7 in D Minor, Op. 70, B.141: 1. Allegro maestoso
  type: MusicRecording
  duration: PT10M17S
  duration ms: 617133
  explicit: false
  by artist: Antonín Dvořák
  by artist: London Symphony Orchestra
  by artist: István Kertész
  in album: Dvorák: The Symphonies/Overtures
    type: MusicAlbum
    date published: 1991-01-01
  genre: classical
  genre: late-romantic-era
  genre: czech-classical
  isrc code: GBF076411051
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T01:09:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0204d098e726fd0fa6cf96e153fb505a350eb93e844f26c105ddbb655358a5f3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076411051
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 0x0204d098e726fd0fa6cf96e153fb505a350eb93e844f26c105ddbb655358a5f3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBF076411051.
    date published: 2026-07-08T03:53:27Z
  audio: Symphony No. 7 in D Minor, Op. 70, B.141: 1. Allegro maestoso
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.951
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.217
    additional property: Energy
      type: PropertyValue
      value: 0.136
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.942
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.874
    additional property: Liveness
      type: PropertyValue
      value: 0.3
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.069
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.806
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Symphony No. 1 in C Minor, Op. 3, B.9 - "The Bells of Zlonice": 2. Adagio di molto
  type: MusicRecording
  duration: PT13M38S
  duration ms: 818666
  explicit: false
  by artist: Antonín Dvořák
  by artist: London Symphony Orchestra
  by artist: István Kertész
  in album: Dvorák: The Symphonies/Overtures
    type: MusicAlbum
    date published: 1991-01-01
  genre: classical
  genre: late-romantic-era
  genre: czech-classical
  isrc code: GBF076610982
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:18:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcd13869d53f50167c2cd406b04417aeef66d87f47b7fbeda8b43d2aa18c146d9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610982
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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 0xcd13869d53f50167c2cd406b04417aeef66d87f47b7fbeda8b43d2aa18c146d9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBF076610982.
    date published: 2026-07-08T08:56:20Z
  audio: Symphony No. 1 in C Minor, Op. 3, B.9 - "The Bells of Zlonice": 2. Adagio di molto
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.747
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.176
    additional property: Energy
      type: PropertyValue
      value: 0.054
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.959
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.842
    additional property: Liveness
      type: PropertyValue
      value: 0.128
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.722
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Symphony No. 4 in D Minor, Op. 13, B.41: 2. Andante sostenuto e molto cantabile
  type: MusicRecording
  duration: PT11M16S
  duration ms: 676826
  explicit: false
  by artist: Antonín Dvořák
  by artist: London Symphony Orchestra
  by artist: István Kertész
  in album: Dvorák: The Symphonies/Overtures
    type: MusicAlbum
    date published: 1991-01-01
  genre: classical
  genre: late-romantic-era
  genre: czech-classical
  isrc code: GBF076610032
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 4 in D Minor, Op. 13, B.41: 2. Andante sostenuto e molto cantabile
track: Symphony No. 7 in D Minor, Op. 70, B.141: 2. Poco adagio
track: Symphony No. 9 in E Minor, Op. 95, B.178: 2. Largo
track: Symphony No. 1 in C Minor, Op. 3, B.9 - "The Bells of Zlonice": 3. Allegretto
track: Symphony No. 6 in D Major, Op. 60, B.112: 2. Adagio
track: Symphony No. 7 in D Minor, Op. 70, B.141: 3. Scherzo (Vivace)
track: Symphony No. 9 in E Minor, Op. 95, B.178: 3. Scherzo (Molto vivace)
track: Symphony No. 1 in C Minor, Op. 3, B.9 - "The Bells of Zlonice": 4. Finale (Allegro animato)
track: Symphony No. 4 in D Minor, Op. 13, B.41: 4. Finale (Allegro con brio)
track: Symphony No. 3 in E Flat Major, Op. 10, B.34: 2. Adagio molto, tempo di marcia
track: Symphony No. 8 in G Major, Op. 88, B.163: 1. Allegro con brio
track: Symphony No. 5 in F Major, Op. 76, B.54: 3. Scherzo. Allegro scherzando
track: Symphony No. 8 in G Major, Op. 88, B.163: 4. Allegro ma non troppo
track: Symphony No. 4 in D Minor, Op. 13, B.41: 3. Scherzo (Allegro feroce)

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-06T07:41:23+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb1618c4aa0204ff257a1741efab7810e5340ea4c7a1f897ee11302aae9fec596

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957034

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957034

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610032

OTSTimestamp
type: PropertyValue
value: 2026-07-07T11:52:37Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1618c4aa0204ff257a1741efab7810e5340ea4c7a1f897ee11302aae9fec596. Chain 2 (Bitcoin): anchored in block 957034 (2026-07-07T11:52:37Z), 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/GBF076610032.
date published: 2026-07-07T11:52:37Z

Symphony No. 4 in D Minor, Op. 13, B.41: 2. Andante sostenuto e molto cantabile
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 120.876
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.149
additional property: Energy
  type: PropertyValue
  value: 0.065
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.97
additional property: Instrumentalness
  type: PropertyValue
  value: 0.9
additional property: Liveness
  type: PropertyValue
  value: 0.113
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.037
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.093
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

Symphony No. 7 in D Minor, Op. 70, B.141: 2. Poco adagio
type: MusicRecording
duration: PT10M7S
duration ms: 607626
explicit: false
by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF076411052
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:46:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb43643863c62d8ea936d180bd6117e22218c22829e6fd0485fef37e6598d1f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076411052
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb43643863c62d8ea936d180bd6117e22218c22829e6fd0485fef37e6598d1f1. 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/GBF076411052.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 7 in D Minor, Op. 70, B.141: 2. Poco adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.647
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.11
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.847
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.124
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 9 in E Minor, Op. 95, B.178: 2. Largo
type: MusicRecording
duration: PT12M28S
duration ms: 748333
explicit: false
by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBF076610082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:49:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x661011e7f81fc0cf7596823ea600a52cad23b9772d64707f18d9105377390fb5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610082
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661011e7f81fc0cf7596823ea600a52cad23b9772d64707f18d9105377390fb5. 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/GBF076610082.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 9 in E Minor, Op. 95, B.178: 2. Largo
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Symphony No. 1 in C Minor, Op. 3, B.9 - "The Bells of Zlonice": 3. Allegretto
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duration: PT8M41S
duration ms: 521533
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by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
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  date published: 1991-01-01
genre: classical
genre: late-romantic-era
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55f28fe1912dabddb0c5f4522022579867d55a93a5b729e16993464f2ae0c1b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBF076610983.
  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 1 in C Minor, Op. 3, B.9 - "The Bells of Zlonice": 3. Allegretto
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Symphony No. 6 in D Major, Op. 60, B.112: 2. Adagio
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duration: PT11M31S
duration ms: 691600
explicit: false
by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:22:41Z
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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  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 6 in D Major, Op. 60, B.112: 2. Adagio
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Symphony No. 7 in D Minor, Op. 70, B.141: 3. Scherzo (Vivace)
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duration: PT7M20S
duration ms: 440800
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by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 7 in D Minor, Op. 70, B.141: 3. Scherzo (Vivace)
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Symphony No. 9 in E Minor, Op. 95, B.178: 3. Scherzo (Molto vivace)
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duration: PT7M24S
duration ms: 444866
explicit: false
by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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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: 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
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  date published: 2026-06-13T13:32:09Z
audio: Symphony No. 9 in E Minor, Op. 95, B.178: 3. Scherzo (Molto vivace)
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Symphony No. 1 in C Minor, Op. 3, B.9 - "The Bells of Zlonice": 4. Finale (Allegro animato)
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duration: PT12M41S
duration ms: 761733
explicit: false
by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
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  date published: 1991-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 1 in C Minor, Op. 3, B.9 - "The Bells of Zlonice": 4. Finale (Allegro animato)
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Symphony No. 3 in E Flat Major, Op. 10, B.34: 2. Adagio molto, tempo di marcia
type: MusicRecording
duration: PT16M8S
duration ms: 968866
explicit: false
by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076611002
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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 3 in E Flat Major, Op. 10, B.34: 2. Adagio molto, tempo di marcia
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Symphony No. 8 in G Major, Op. 88, B.163: 1. Allegro con brio
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duration: PT10M2S
duration ms: 602426
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by artist: Antonín Dvořák
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Dvorák: The Symphonies/Overtures
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: late-romantic-era
genre: czech-classical
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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: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 8 in G Major, Op. 88, B.163: 1. Allegro con brio
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Symphony No. 5 in F Major, Op. 76, B.54: 3. Scherzo. Allegro scherzando
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by artist: London Symphony Orchestra
by artist: István Kertész
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genre: classical
genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Symphony No. 8 in G Major, Op. 88, B.163: 4. Allegro ma non troppo
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by artist: London Symphony Orchestra
by artist: István Kertész
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genre: classical
genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 8 in G Major, Op. 88, B.163: 4. Allegro ma non troppo
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Donizetti: Don Pasquale
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Don Pasquale / Act 1: Quel guardo di cavaliere ... So anch'io la virtù magica
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Piano Concerto, No. 1
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date published: 1989-06-01

Dvorak: Overtures & Tone Poems
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date published: 1976-01-01

Rossini: Stabat Mater
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T17:25:41Z
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track: Stabat Mater: 7. Fac ut portem Christi mortem
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    date published: 2026-07-08T03:53:27Z
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  genre: opera
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
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track: Stabat Mater: 10. Amen

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value: https://explorer.copyrightchains.com/tx/0xa66d20661d3f22cce2de7b7a2aacbcf08ce72b1e3a4e56594ddaab711e4f70f8

OTSHash
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OTSBitcoinBlock
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value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077140209

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66d20661d3f22cce2de7b7a2aacbcf08ce72b1e3a4e56594ddaab711e4f70f8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBF077140209.
date published: 2026-07-08T03:53:27Z

Stabat Mater: 9. Quando corpus morietur
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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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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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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Stabat Mater: 10. Amen
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duration ms: 333666
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by artist: Gioachino Rossini
by artist: London Symphony Chorus
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Rossini: Stabat Mater
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  date published: 1971-01-01
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077140210
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 0x63a777bcc04478b7ac38215b87815ad22b03b7236a0a3b4708c3ba536492778c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBF077140210.
  date published: 2026-07-06T07:53:57Z
audio: Stabat Mater: 10. Amen
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Kodaly: Psalmus Hungaricus; Missa Brevis; Pange Lingua; Psalm 114; Hymn of Zrinyi; Laudes Organi. Bartok: Cantata profana
type: MusicAlbum
date published: 1971-01-01

Mozart: Masonic Music
type: MusicAlbum
date published: 1969-01-01
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  by artist: Wolfgang Amadeus Mozart
  by artist: Werner Krenn
  by artist: Georg Fischer
  in album: Mozart: Masonic Music
    type: MusicAlbum
    date published: 1969-01-01
  genre: classical
  genre: classical-era
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  additional property: CopyrightID
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076810600
  additional property: OTSTimestamp
    type: PropertyValue
    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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T03:55:08Z
  audio: Lobgesang auf die feierliche Johannisloge: O heiliges Band der Freundschaft, K.148
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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track: Dir, Seele des Weltalls, K.429: 1. "Dir, Seele des Weltalls"
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  by artist: Wolfgang Amadeus Mozart
  by artist: Werner Krenn
  by artist: Edinburgh Festival Chorus
  by artist: London Symphony Orchestra
  by artist: István Kertész
  in album: Mozart: Masonic Music
    type: MusicAlbum
    date published: 1969-01-01
  genre: classical
  genre: classical-era
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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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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    date published: 2026-07-02T03:55:08Z
  audio: Dir, Seele des Weltalls, K.429: 1. "Dir, Seele des Weltalls"
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    additional property: Acousticness
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track: Gesellenreise: Die ihr einem neuen Grade, K.468
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  by artist: Wolfgang Amadeus Mozart
  by artist: Werner Krenn
  by artist: Georg Fischer
  in album: Mozart: Masonic Music
    type: MusicAlbum
    date published: 1969-01-01
  genre: classical
  genre: classical-era
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Gesellenreise: Die ihr einem neuen Grade, K.468
track: Die Maurerfreude, K.471
track: Maurerische Trauermusik, K.477
track: Zur Eröffnung der Freimaurerloge: Zerfliesset heut', geliebte Brüder, K.483
track: Laut verkünde unsre Freude, K.623: 1a. Coro - "Laute verkünde unsre Freude"
track: Laut verkünde unsre Freude, K.623: 3/4: Recit/Duo: "Wohlan, ihr Brüder...Lange sollen..."
track: Lasst uns mit geschlungnen Händen, K.623a

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xb38e0914f38e51896f829ff5781b9d8d97e3483998525976bd003adccab5ae71

OTSHash
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OTSBitcoinBlock
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value: 959123

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/959123

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076810613

OTSTimestamp
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value: 2026-07-22T11:35:32Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb38e0914f38e51896f829ff5781b9d8d97e3483998525976bd003adccab5ae71. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/GBF076810613.
date published: 2026-07-22T11:35:32Z

Gesellenreise: Die ihr einem neuen Grade, K.468
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additional property: Tempo (BPM)
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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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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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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Die Maurerfreude, K.471
type: MusicRecording
duration: PT6M59S
duration ms: 419200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Werner Krenn
by artist: Edinburgh Festival Chorus
by artist: London Symphony Orchestra
by artist: István Kertész
in album: Mozart: Masonic Music
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genre: classical
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5522284083aa214e5b2838dee322904a5b5d7c590314d18e2730986d38d82f9. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GBF076810614.
  date published: 2026-07-13T07:53:33Z
audio: Die Maurerfreude, K.471
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  additional property: Danceability
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Zur Eröffnung der Freimaurerloge: Zerfliesset heut', geliebte Brüder, K.483
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by artist: Wolfgang Amadeus Mozart
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by artist: Edinburgh Festival Chorus
by artist: Georg Fischer
in album: Mozart: Masonic Music
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genre: classical
genre: classical-era
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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
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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
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  date published: 2026-07-07T11:02:43Z
audio: Zur Eröffnung der Freimaurerloge: Zerfliesset heut', geliebte Brüder, K.483
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Laut verkünde unsre Freude, K.623: 1a. Coro - "Laute verkünde unsre Freude"
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by artist: London Symphony Orchestra
by artist: István Kertész
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Laut verkünde unsre Freude, K.623: 1a. Coro - "Laute verkünde unsre Freude"
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Laut verkünde unsre Freude, K.623: 3/4: Recit/Duo: "Wohlan, ihr Brüder...Lange sollen..."
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by artist: Tom Krause
by artist: London Symphony Orchestra
by artist: István Kertész
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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: 2026-07-08T03:53:27Z
audio: Laut verkünde unsre Freude, K.623: 3/4: Recit/Duo: "Wohlan, ihr Brüder...Lange sollen..."
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Lasst uns mit geschlungnen Händen, K.623a
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Lasst uns mit geschlungnen Händen, K.623a
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Mozart: Piano Concertos Nos. 23 & 24
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date published: 1968-11-01

Brahms: Serenade Nr.1, Op.11 & Nr.2, Op.16
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date published: 1968-01-01
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: Serenade No. 1 in D, Op. 11: 5. Scherzo (Allegro)
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Mozart: La Clemenza di Tito
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date published: 1967-01-01
track: La clemenza di Tito, K.621 / Act 1: "Come ti piace imponi"
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

La clemenza di Tito, K.621 / Act 2: "Tu, è ver, m'assolvi, Augusto"
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Mozart: Piano Concertos Nos. 8 & 9; Rondo, K.386
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Kodaly: Orchestral Works
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Così fan tutte, K.588 / Act 1: "Soave sia il vento"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
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Voi che sapete (Marriage of Figaro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Voi che sapete (Marriage of Figaro)
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Don Giovanni, K.527 / Act 1: "Là ci darem la mano"
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by artist: Vienna Haydn Orchestra
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subject of: OpenTimestamps Proof of Existence
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audio: Don Giovanni, K.527 / Act 1: "Là ci darem la mano"
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Die Zauberflöte, K.620 / Act 1: "Der Vogelfänger bin ich ja"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Stabat Mater: 2. Cujus animam gementem
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Die Zauberflöte, K.620 / Act 1: "Der Vogelfänger bin ich ja"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Don Giovanni, K.527 / Act 1: "Là ci darem la mano"
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audio: Don Giovanni, K.527 / Act 1: "Là ci darem la mano"
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Le nozze di Figaro, K. 492 / Act 1: "Non più andrai"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492 / Act 1: "Non più andrai"
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Così fan tutte, K.588 / Act 1: "Soave sia il vento"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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